diff --git a/.dockerignore b/.dockerignore
index b92827b7c..3d7ef7bf3 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,8 +1,6 @@
app/db/SQL
node_modules
storage
-public/scripts
-public/styles
.git
.idea
.cd .babelrc
diff --git a/.gitignore b/.gitignore
index dec41c68f..f61b3c10c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,7 +3,7 @@
/node_modules/
/tests/resources/storage/
/app/sdks/*
-/public/dist/
+/public/dist/*
/.idea/
.DS_Store
.php_cs.cache
diff --git a/Dockerfile b/Dockerfile
index f5f1279a3..7321a9761 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,6 +12,18 @@ RUN composer update --ignore-platform-reqs --optimize-autoloader \
--no-plugins --no-scripts --prefer-dist \
`if [ "$TESTING" != "true" ]; then echo "--no-dev"; fi`
+FROM node:16-alpine as node
+
+WORKDIR /usr/local/src/
+
+COPY package-lock.json /usr/local/src/
+COPY package.json /usr/local/src/
+COPY gulpfile.js /usr/local/src/
+COPY public /usr/local/src/public
+
+RUN npm ci
+RUN npm run build
+
FROM php:8.0-cli-alpine as compile
ARG DEBUG=false
@@ -195,6 +207,7 @@ RUN \
WORKDIR /usr/src/code
COPY --from=composer /usr/local/src/vendor /usr/src/code/vendor
+COPY --from=node /usr/local/src/public/dist /usr/src/code/public/dist
COPY --from=swoole /usr/local/lib/php/extensions/no-debug-non-zts-20200930/swoole.so /usr/local/lib/php/extensions/no-debug-non-zts-20200930/yasd.so* /usr/local/lib/php/extensions/no-debug-non-zts-20200930/
COPY --from=redis /usr/local/lib/php/extensions/no-debug-non-zts-20200930/redis.so /usr/local/lib/php/extensions/no-debug-non-zts-20200930/
COPY --from=imagick /usr/local/lib/php/extensions/no-debug-non-zts-20200930/imagick.so /usr/local/lib/php/extensions/no-debug-non-zts-20200930/
@@ -205,7 +218,8 @@ COPY --from=maxmind /usr/local/lib/php/extensions/no-debug-non-zts-20200930/maxm
COPY ./app /usr/src/code/app
COPY ./bin /usr/local/bin
COPY ./docs /usr/src/code/docs
-COPY ./public /usr/src/code/public
+COPY ./public/fonts /usr/src/code/public/fonts
+COPY ./public/images /usr/src/code/public/images
COPY ./src /usr/src/code/src
# Set Volumes
diff --git a/app/views/layouts/default.phtml b/app/views/layouts/default.phtml
index 2818e4d92..665e47a7f 100644
--- a/app/views/layouts/default.phtml
+++ b/app/views/layouts/default.phtml
@@ -103,6 +103,8 @@ if(!empty($platforms)) {
});
+
+
exec($this->getParam('head', [])); ?>
diff --git a/gulpfile.js b/gulpfile.js
index 1a7de5bdf..15af05dbf 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -9,7 +9,7 @@ const gulpCleanCSS = require('gulp-clean-css');
// Config
-const configApp = {
+const configApp = {
mainFile: 'app.js',
src: [
'public/scripts/dependencies/litespeed.js',
@@ -76,7 +76,7 @@ const configApp = {
'public/scripts/views/general/switch.js',
'public/scripts/views/general/theme.js',
'public/scripts/views/general/version.js',
-
+
'public/scripts/views/paging/back.js',
'public/scripts/views/paging/next.js',
@@ -87,19 +87,18 @@ const configApp = {
'public/scripts/views/ui/phases.js',
'public/scripts/views/ui/trigger.js',
],
+
dest: './public/dist/scripts'
};
const configDep = {
mainFile: 'app-dep.js',
src: [
- //'node_modules/appwrite/src/sdk.js',
'public/scripts/dependencies/appwrite.js',
- 'public/scripts/dependencies/chart.js',
- 'public/scripts/dependencies/markdown-it.js',
- 'public/scripts/dependencies/pell.js',
- 'public/scripts/dependencies/prism.js',
- 'public/scripts/dependencies/turndown.js',
+ 'node_modules/chart.js/dist/chart.js',
+ 'node_modules/markdown-it/dist/markdown-it.js',
+ 'node_modules/pell/dist/pell.js',
+ 'node_modules/turndown/dist/turndown.js',
],
dest: './public/dist/scripts'
};
@@ -113,40 +112,40 @@ const config = {
dest: './public/dist/scripts'
};
-function lessLTR () {
+function lessLTR() {
return src('./public/styles/default-ltr.less')
.pipe(gulpLess())
- .pipe(gulpCleanCSS({compatibility: 'ie8'}))
+ .pipe(gulpCleanCSS({ compatibility: 'ie8' }))
.pipe(dest('./public/dist/styles'));
}
-function lessRTL () {
+function lessRTL() {
return src('./public/styles/default-rtl.less')
.pipe(gulpLess())
- .pipe(gulpCleanCSS({compatibility: 'ie8'}))
+ .pipe(gulpCleanCSS({ compatibility: 'ie8' }))
.pipe(dest('./public/dist/styles'));
}
-function concatApp () {
+function concatApp() {
return src(configApp.src)
.pipe(gulpConcat(configApp.mainFile))
.pipe(gulpJsmin())
.pipe(dest(configApp.dest));
}
-function concatDep () {
+function concatDep() {
return src(configDep.src)
.pipe(gulpConcat(configDep.mainFile))
.pipe(gulpJsmin())
.pipe(dest(configDep.dest));
}
-function concat () {
+function concat() {
return src(config.src)
.pipe(gulpConcat(config.mainFile))
.pipe(dest(config.dest));
}
-exports.import = series(concatDep);
-exports.less = series(lessLTR, lessRTL);
-exports.build = series(concatApp, concat);
\ No newline at end of file
+exports.import = series(concatDep);
+exports.less = series(lessLTR, lessRTL);
+exports.build = series(concatApp, concat);
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 2dd7d37b1..674df2262 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,13 +1,19 @@
{
"name": "appwrite-server",
"version": "0.1.0",
- "lockfileVersion": 1,
+ "lockfileVersion": 2,
"requires": true,
"packages": {
"": {
"name": "appwrite-server",
"version": "0.1.0",
"license": "BSD-3-Clause",
+ "dependencies": {
+ "chart.js": "^3.5.1",
+ "markdown-it": "^12.2.0",
+ "pell": "^1.0.6",
+ "turndown": "^7.1.1"
+ },
"devDependencies": {
"gulp": "^4.0.2",
"gulp-clean-css": "^4.3.0",
@@ -116,6 +122,11 @@
"integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
"dev": true
},
+ "node_modules/argparse": {
+ "version": "2.0.1",
+ "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+ "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q=="
+ },
"node_modules/arr-diff": {
"version": "4.0.0",
"resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
@@ -536,6 +547,11 @@
"node": ">= 0.6.0"
}
},
+ "node_modules/chart.js": {
+ "version": "3.5.1",
+ "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-3.5.1.tgz",
+ "integrity": "sha512-m5kzt72I1WQ9LILwQC4syla/LD/N413RYv2Dx2nnTkRS9iv/ey1xLTt0DnPc/eWV4zI+BgEgDYBIzbQhZHc/PQ=="
+ },
"node_modules/chokidar": {
"version": "2.1.8",
"resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.8.tgz",
@@ -980,6 +996,11 @@
"node": ">=0.10.0"
}
},
+ "node_modules/domino": {
+ "version": "2.1.6",
+ "resolved": "https://registry.npmjs.org/domino/-/domino-2.1.6.tgz",
+ "integrity": "sha512-3VdM/SXBZX2omc9JF9nOPCtDaYQ67BGp5CoLpIQlO2KCAPETs8TcDHacF26jXadGbvUteZzRTeos2fhID5+ucQ=="
+ },
"node_modules/duplexer2": {
"version": "0.0.2",
"resolved": "https://registry.npmjs.org/duplexer2/-/duplexer2-0.0.2.tgz",
@@ -1044,6 +1065,14 @@
"once": "^1.4.0"
}
},
+ "node_modules/entities": {
+ "version": "2.1.0",
+ "resolved": "https://registry.npmjs.org/entities/-/entities-2.1.0.tgz",
+ "integrity": "sha512-hCx1oky9PFrJ611mf0ifBLBRW8lUUVRlFolb5gWRfIELabBlbp9xZvrqZLZAs+NxFnbfQoeGd8wDkygjg7U85w==",
+ "funding": {
+ "url": "https://github.com/fb55/entities?sponsor=1"
+ }
+ },
"node_modules/errno": {
"version": "0.1.8",
"resolved": "https://registry.npmjs.org/errno/-/errno-0.1.8.tgz",
@@ -2575,6 +2604,14 @@
"node": ">= 0.8"
}
},
+ "node_modules/linkify-it": {
+ "version": "3.0.3",
+ "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-3.0.3.tgz",
+ "integrity": "sha512-ynTsyrFSdE5oZ/O9GEf00kPngmOfVwazR5GKDq6EYfhlpFug3J2zybX56a2PRRpc9P+FuSoGNAwjlbDs9jJBPQ==",
+ "dependencies": {
+ "uc.micro": "^1.0.1"
+ }
+ },
"node_modules/load-json-file": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
@@ -2823,6 +2860,21 @@
"node": ">=0.10.0"
}
},
+ "node_modules/markdown-it": {
+ "version": "12.2.0",
+ "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-12.2.0.tgz",
+ "integrity": "sha512-Wjws+uCrVQRqOoJvze4HCqkKl1AsSh95iFAeQDwnyfxM09divCBSXlDR1uTvyUP3Grzpn4Ru8GeCxYPM8vkCQg==",
+ "dependencies": {
+ "argparse": "^2.0.1",
+ "entities": "~2.1.0",
+ "linkify-it": "^3.0.1",
+ "mdurl": "^1.0.1",
+ "uc.micro": "^1.0.5"
+ },
+ "bin": {
+ "markdown-it": "bin/markdown-it.js"
+ }
+ },
"node_modules/matchdep": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/matchdep/-/matchdep-2.0.0.tgz",
@@ -2865,6 +2917,11 @@
"node": ">=0.10.0"
}
},
+ "node_modules/mdurl": {
+ "version": "1.0.1",
+ "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-1.0.1.tgz",
+ "integrity": "sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4="
+ },
"node_modules/meow": {
"version": "3.7.0",
"resolved": "https://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
@@ -3438,6 +3495,11 @@
"node": ">=0.10.0"
}
},
+ "node_modules/pell": {
+ "version": "1.0.6",
+ "resolved": "https://registry.npmjs.org/pell/-/pell-1.0.6.tgz",
+ "integrity": "sha512-wuackvgjFCHmVABy7ACSmY2u53w+TlYFrVL2hN6V3rGL/iWWwVXMw2uphpZSXNnqFQTI8nMpD3UNNX8+R4BAYw=="
+ },
"node_modules/pify": {
"version": "4.0.1",
"resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
@@ -4548,6 +4610,14 @@
"integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==",
"dev": true
},
+ "node_modules/turndown": {
+ "version": "7.1.1",
+ "resolved": "https://registry.npmjs.org/turndown/-/turndown-7.1.1.tgz",
+ "integrity": "sha512-BEkXaWH7Wh7e9bd2QumhfAXk5g34+6QUmmWx+0q6ThaVOLuLUqsnkq35HQ5SBHSaxjSfSM7US5o4lhJNH7B9MA==",
+ "dependencies": {
+ "domino": "^2.1.6"
+ }
+ },
"node_modules/type": {
"version": "1.2.0",
"resolved": "https://registry.npmjs.org/type/-/type-1.2.0.tgz",
@@ -4560,6 +4630,11 @@
"integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
"dev": true
},
+ "node_modules/uc.micro": {
+ "version": "1.0.6",
+ "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-1.0.6.tgz",
+ "integrity": "sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA=="
+ },
"node_modules/unc-path-regex": {
"version": "0.1.2",
"resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
@@ -5068,6 +5143,11 @@
"integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
"dev": true
},
+ "argparse": {
+ "version": "2.0.1",
+ "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+ "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q=="
+ },
"arr-diff": {
"version": "4.0.0",
"resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
@@ -5397,6 +5477,11 @@
"integrity": "sha1-W5UvniDqIc0Iyn/hNaEPb+kcEJ4=",
"dev": true
},
+ "chart.js": {
+ "version": "3.5.1",
+ "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-3.5.1.tgz",
+ "integrity": "sha512-m5kzt72I1WQ9LILwQC4syla/LD/N413RYv2Dx2nnTkRS9iv/ey1xLTt0DnPc/eWV4zI+BgEgDYBIzbQhZHc/PQ=="
+ },
"chokidar": {
"version": "2.1.8",
"resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.8.tgz",
@@ -5761,6 +5846,11 @@
"integrity": "sha1-8NZtA2cqglyxtzvbP+YjEMjlUrc=",
"dev": true
},
+ "domino": {
+ "version": "2.1.6",
+ "resolved": "https://registry.npmjs.org/domino/-/domino-2.1.6.tgz",
+ "integrity": "sha512-3VdM/SXBZX2omc9JF9nOPCtDaYQ67BGp5CoLpIQlO2KCAPETs8TcDHacF26jXadGbvUteZzRTeos2fhID5+ucQ=="
+ },
"duplexer2": {
"version": "0.0.2",
"resolved": "https://registry.npmjs.org/duplexer2/-/duplexer2-0.0.2.tgz",
@@ -5827,6 +5917,11 @@
"once": "^1.4.0"
}
},
+ "entities": {
+ "version": "2.1.0",
+ "resolved": "https://registry.npmjs.org/entities/-/entities-2.1.0.tgz",
+ "integrity": "sha512-hCx1oky9PFrJ611mf0ifBLBRW8lUUVRlFolb5gWRfIELabBlbp9xZvrqZLZAs+NxFnbfQoeGd8wDkygjg7U85w=="
+ },
"errno": {
"version": "0.1.8",
"resolved": "https://registry.npmjs.org/errno/-/errno-0.1.8.tgz",
@@ -7076,6 +7171,14 @@
"resolve": "^1.1.7"
}
},
+ "linkify-it": {
+ "version": "3.0.3",
+ "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-3.0.3.tgz",
+ "integrity": "sha512-ynTsyrFSdE5oZ/O9GEf00kPngmOfVwazR5GKDq6EYfhlpFug3J2zybX56a2PRRpc9P+FuSoGNAwjlbDs9jJBPQ==",
+ "requires": {
+ "uc.micro": "^1.0.1"
+ }
+ },
"load-json-file": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
@@ -7303,6 +7406,18 @@
"object-visit": "^1.0.0"
}
},
+ "markdown-it": {
+ "version": "12.2.0",
+ "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-12.2.0.tgz",
+ "integrity": "sha512-Wjws+uCrVQRqOoJvze4HCqkKl1AsSh95iFAeQDwnyfxM09divCBSXlDR1uTvyUP3Grzpn4Ru8GeCxYPM8vkCQg==",
+ "requires": {
+ "argparse": "^2.0.1",
+ "entities": "~2.1.0",
+ "linkify-it": "^3.0.1",
+ "mdurl": "^1.0.1",
+ "uc.micro": "^1.0.5"
+ }
+ },
"matchdep": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/matchdep/-/matchdep-2.0.0.tgz",
@@ -7338,6 +7453,11 @@
}
}
},
+ "mdurl": {
+ "version": "1.0.1",
+ "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-1.0.1.tgz",
+ "integrity": "sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4="
+ },
"meow": {
"version": "3.7.0",
"resolved": "https://registry.npmjs.org/meow/-/meow-3.7.0.tgz",
@@ -7800,6 +7920,11 @@
}
}
},
+ "pell": {
+ "version": "1.0.6",
+ "resolved": "https://registry.npmjs.org/pell/-/pell-1.0.6.tgz",
+ "integrity": "sha512-wuackvgjFCHmVABy7ACSmY2u53w+TlYFrVL2hN6V3rGL/iWWwVXMw2uphpZSXNnqFQTI8nMpD3UNNX8+R4BAYw=="
+ },
"pify": {
"version": "4.0.1",
"resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
@@ -8489,6 +8614,15 @@
"integrity": "sha512-AiisoFqQ0vbGcZgQPY1cdP2I76glaVA/RauYR4G4thNFgkTqr90yXTo4LYX60Jl+sIlPNHHdGSwo01AvbKUSVQ==",
"dev": true
},
+ "string_decoder": {
+ "version": "1.1.1",
+ "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+ "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+ "dev": true,
+ "requires": {
+ "safe-buffer": "~5.1.0"
+ }
+ },
"string-width": {
"version": "1.0.2",
"resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
@@ -8517,15 +8651,6 @@
}
}
},
- "string_decoder": {
- "version": "1.1.1",
- "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
- "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
- "dev": true,
- "requires": {
- "safe-buffer": "~5.1.0"
- }
- },
"strip-ansi": {
"version": "0.3.0",
"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-0.3.0.tgz",
@@ -8710,6 +8835,14 @@
"integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==",
"dev": true
},
+ "turndown": {
+ "version": "7.1.1",
+ "resolved": "https://registry.npmjs.org/turndown/-/turndown-7.1.1.tgz",
+ "integrity": "sha512-BEkXaWH7Wh7e9bd2QumhfAXk5g34+6QUmmWx+0q6ThaVOLuLUqsnkq35HQ5SBHSaxjSfSM7US5o4lhJNH7B9MA==",
+ "requires": {
+ "domino": "^2.1.6"
+ }
+ },
"type": {
"version": "1.2.0",
"resolved": "https://registry.npmjs.org/type/-/type-1.2.0.tgz",
@@ -8722,6 +8855,11 @@
"integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
"dev": true
},
+ "uc.micro": {
+ "version": "1.0.6",
+ "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-1.0.6.tgz",
+ "integrity": "sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA=="
+ },
"unc-path-regex": {
"version": "0.1.2",
"resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
diff --git a/package.json b/package.json
index d820cef34..799246bf2 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
"license": "BSD-3-Clause",
"repository": "public",
"scripts": {
- "build": "npm run gulp:less && npm run gulp:import && npm run gulp:build",
+ "build": "ls public/ && npm run gulp:less && npm run gulp:import && npm run gulp:build",
"gulp:less": "gulp less",
"gulp:import": "gulp import",
"gulp:build": "gulp build"
@@ -15,5 +15,11 @@
"gulp-concat": "^2.6.1",
"gulp-jsmin": "^0.1.5",
"gulp-less": "^5.0.0"
+ },
+ "dependencies": {
+ "chart.js": "^3.5.1",
+ "markdown-it": "^12.2.0",
+ "pell": "^1.0.6",
+ "turndown": "^7.1.1"
}
}
diff --git a/public/scripts/dependencies/chart.js b/public/scripts/dependencies/chart.js
deleted file mode 100644
index 8bfc66d52..000000000
--- a/public/scripts/dependencies/chart.js
+++ /dev/null
@@ -1,16151 +0,0 @@
-/*!
- * Chart.js v2.9.3
- * https://www.chartjs.org
- * (c) 2019 Chart.js Contributors
- * Released under the MIT License
- */
-(function (global, factory) {
- typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(function() { try { return require('moment'); } catch(e) { } }()) :
- typeof define === 'function' && define.amd ? define(['require'], function(require) { return factory(function() { try { return require('moment'); } catch(e) { } }()); }) :
- (global = global || self, global.Chart = factory(global.moment));
- }(this, (function (moment) { 'use strict';
-
- moment = moment && moment.hasOwnProperty('default') ? moment['default'] : moment;
-
- function createCommonjsModule(fn, module) {
- return module = { exports: {} }, fn(module, module.exports), module.exports;
- }
-
- function getCjsExportFromNamespace (n) {
- return n && n['default'] || n;
- }
-
- var colorName = {
- "aliceblue": [240, 248, 255],
- "antiquewhite": [250, 235, 215],
- "aqua": [0, 255, 255],
- "aquamarine": [127, 255, 212],
- "azure": [240, 255, 255],
- "beige": [245, 245, 220],
- "bisque": [255, 228, 196],
- "black": [0, 0, 0],
- "blanchedalmond": [255, 235, 205],
- "blue": [0, 0, 255],
- "blueviolet": [138, 43, 226],
- "brown": [165, 42, 42],
- "burlywood": [222, 184, 135],
- "cadetblue": [95, 158, 160],
- "chartreuse": [127, 255, 0],
- "chocolate": [210, 105, 30],
- "coral": [255, 127, 80],
- "cornflowerblue": [100, 149, 237],
- "cornsilk": [255, 248, 220],
- "crimson": [220, 20, 60],
- "cyan": [0, 255, 255],
- "darkblue": [0, 0, 139],
- "darkcyan": [0, 139, 139],
- "darkgoldenrod": [184, 134, 11],
- "darkgray": [169, 169, 169],
- "darkgreen": [0, 100, 0],
- "darkgrey": [169, 169, 169],
- "darkkhaki": [189, 183, 107],
- "darkmagenta": [139, 0, 139],
- "darkolivegreen": [85, 107, 47],
- "darkorange": [255, 140, 0],
- "darkorchid": [153, 50, 204],
- "darkred": [139, 0, 0],
- "darksalmon": [233, 150, 122],
- "darkseagreen": [143, 188, 143],
- "darkslateblue": [72, 61, 139],
- "darkslategray": [47, 79, 79],
- "darkslategrey": [47, 79, 79],
- "darkturquoise": [0, 206, 209],
- "darkviolet": [148, 0, 211],
- "deeppink": [255, 20, 147],
- "deepskyblue": [0, 191, 255],
- "dimgray": [105, 105, 105],
- "dimgrey": [105, 105, 105],
- "dodgerblue": [30, 144, 255],
- "firebrick": [178, 34, 34],
- "floralwhite": [255, 250, 240],
- "forestgreen": [34, 139, 34],
- "fuchsia": [255, 0, 255],
- "gainsboro": [220, 220, 220],
- "ghostwhite": [248, 248, 255],
- "gold": [255, 215, 0],
- "goldenrod": [218, 165, 32],
- "gray": [128, 128, 128],
- "green": [0, 128, 0],
- "greenyellow": [173, 255, 47],
- "grey": [128, 128, 128],
- "honeydew": [240, 255, 240],
- "hotpink": [255, 105, 180],
- "indianred": [205, 92, 92],
- "indigo": [75, 0, 130],
- "ivory": [255, 255, 240],
- "khaki": [240, 230, 140],
- "lavender": [230, 230, 250],
- "lavenderblush": [255, 240, 245],
- "lawngreen": [124, 252, 0],
- "lemonchiffon": [255, 250, 205],
- "lightblue": [173, 216, 230],
- "lightcoral": [240, 128, 128],
- "lightcyan": [224, 255, 255],
- "lightgoldenrodyellow": [250, 250, 210],
- "lightgray": [211, 211, 211],
- "lightgreen": [144, 238, 144],
- "lightgrey": [211, 211, 211],
- "lightpink": [255, 182, 193],
- "lightsalmon": [255, 160, 122],
- "lightseagreen": [32, 178, 170],
- "lightskyblue": [135, 206, 250],
- "lightslategray": [119, 136, 153],
- "lightslategrey": [119, 136, 153],
- "lightsteelblue": [176, 196, 222],
- "lightyellow": [255, 255, 224],
- "lime": [0, 255, 0],
- "limegreen": [50, 205, 50],
- "linen": [250, 240, 230],
- "magenta": [255, 0, 255],
- "maroon": [128, 0, 0],
- "mediumaquamarine": [102, 205, 170],
- "mediumblue": [0, 0, 205],
- "mediumorchid": [186, 85, 211],
- "mediumpurple": [147, 112, 219],
- "mediumseagreen": [60, 179, 113],
- "mediumslateblue": [123, 104, 238],
- "mediumspringgreen": [0, 250, 154],
- "mediumturquoise": [72, 209, 204],
- "mediumvioletred": [199, 21, 133],
- "midnightblue": [25, 25, 112],
- "mintcream": [245, 255, 250],
- "mistyrose": [255, 228, 225],
- "moccasin": [255, 228, 181],
- "navajowhite": [255, 222, 173],
- "navy": [0, 0, 128],
- "oldlace": [253, 245, 230],
- "olive": [128, 128, 0],
- "olivedrab": [107, 142, 35],
- "orange": [255, 165, 0],
- "orangered": [255, 69, 0],
- "orchid": [218, 112, 214],
- "palegoldenrod": [238, 232, 170],
- "palegreen": [152, 251, 152],
- "paleturquoise": [175, 238, 238],
- "palevioletred": [219, 112, 147],
- "papayawhip": [255, 239, 213],
- "peachpuff": [255, 218, 185],
- "peru": [205, 133, 63],
- "pink": [255, 192, 203],
- "plum": [221, 160, 221],
- "powderblue": [176, 224, 230],
- "purple": [128, 0, 128],
- "rebeccapurple": [102, 51, 153],
- "red": [255, 0, 0],
- "rosybrown": [188, 143, 143],
- "royalblue": [65, 105, 225],
- "saddlebrown": [139, 69, 19],
- "salmon": [250, 128, 114],
- "sandybrown": [244, 164, 96],
- "seagreen": [46, 139, 87],
- "seashell": [255, 245, 238],
- "sienna": [160, 82, 45],
- "silver": [192, 192, 192],
- "skyblue": [135, 206, 235],
- "slateblue": [106, 90, 205],
- "slategray": [112, 128, 144],
- "slategrey": [112, 128, 144],
- "snow": [255, 250, 250],
- "springgreen": [0, 255, 127],
- "steelblue": [70, 130, 180],
- "tan": [210, 180, 140],
- "teal": [0, 128, 128],
- "thistle": [216, 191, 216],
- "tomato": [255, 99, 71],
- "turquoise": [64, 224, 208],
- "violet": [238, 130, 238],
- "wheat": [245, 222, 179],
- "white": [255, 255, 255],
- "whitesmoke": [245, 245, 245],
- "yellow": [255, 255, 0],
- "yellowgreen": [154, 205, 50]
- };
-
- var conversions = createCommonjsModule(function (module) {
- /* MIT license */
-
-
- // NOTE: conversions should only return primitive values (i.e. arrays, or
- // values that give correct `typeof` results).
- // do not use box values types (i.e. Number(), String(), etc.)
-
- var reverseKeywords = {};
- for (var key in colorName) {
- if (colorName.hasOwnProperty(key)) {
- reverseKeywords[colorName[key]] = key;
- }
- }
-
- var convert = module.exports = {
- rgb: {channels: 3, labels: 'rgb'},
- hsl: {channels: 3, labels: 'hsl'},
- hsv: {channels: 3, labels: 'hsv'},
- hwb: {channels: 3, labels: 'hwb'},
- cmyk: {channels: 4, labels: 'cmyk'},
- xyz: {channels: 3, labels: 'xyz'},
- lab: {channels: 3, labels: 'lab'},
- lch: {channels: 3, labels: 'lch'},
- hex: {channels: 1, labels: ['hex']},
- keyword: {channels: 1, labels: ['keyword']},
- ansi16: {channels: 1, labels: ['ansi16']},
- ansi256: {channels: 1, labels: ['ansi256']},
- hcg: {channels: 3, labels: ['h', 'c', 'g']},
- apple: {channels: 3, labels: ['r16', 'g16', 'b16']},
- gray: {channels: 1, labels: ['gray']}
- };
-
- // hide .channels and .labels properties
- for (var model in convert) {
- if (convert.hasOwnProperty(model)) {
- if (!('channels' in convert[model])) {
- throw new Error('missing channels property: ' + model);
- }
-
- if (!('labels' in convert[model])) {
- throw new Error('missing channel labels property: ' + model);
- }
-
- if (convert[model].labels.length !== convert[model].channels) {
- throw new Error('channel and label counts mismatch: ' + model);
- }
-
- var channels = convert[model].channels;
- var labels = convert[model].labels;
- delete convert[model].channels;
- delete convert[model].labels;
- Object.defineProperty(convert[model], 'channels', {value: channels});
- Object.defineProperty(convert[model], 'labels', {value: labels});
- }
- }
-
- convert.rgb.hsl = function (rgb) {
- var r = rgb[0] / 255;
- var g = rgb[1] / 255;
- var b = rgb[2] / 255;
- var min = Math.min(r, g, b);
- var max = Math.max(r, g, b);
- var delta = max - min;
- var h;
- var s;
- var l;
-
- if (max === min) {
- h = 0;
- } else if (r === max) {
- h = (g - b) / delta;
- } else if (g === max) {
- h = 2 + (b - r) / delta;
- } else if (b === max) {
- h = 4 + (r - g) / delta;
- }
-
- h = Math.min(h * 60, 360);
-
- if (h < 0) {
- h += 360;
- }
-
- l = (min + max) / 2;
-
- if (max === min) {
- s = 0;
- } else if (l <= 0.5) {
- s = delta / (max + min);
- } else {
- s = delta / (2 - max - min);
- }
-
- return [h, s * 100, l * 100];
- };
-
- convert.rgb.hsv = function (rgb) {
- var rdif;
- var gdif;
- var bdif;
- var h;
- var s;
-
- var r = rgb[0] / 255;
- var g = rgb[1] / 255;
- var b = rgb[2] / 255;
- var v = Math.max(r, g, b);
- var diff = v - Math.min(r, g, b);
- var diffc = function (c) {
- return (v - c) / 6 / diff + 1 / 2;
- };
-
- if (diff === 0) {
- h = s = 0;
- } else {
- s = diff / v;
- rdif = diffc(r);
- gdif = diffc(g);
- bdif = diffc(b);
-
- if (r === v) {
- h = bdif - gdif;
- } else if (g === v) {
- h = (1 / 3) + rdif - bdif;
- } else if (b === v) {
- h = (2 / 3) + gdif - rdif;
- }
- if (h < 0) {
- h += 1;
- } else if (h > 1) {
- h -= 1;
- }
- }
-
- return [
- h * 360,
- s * 100,
- v * 100
- ];
- };
-
- convert.rgb.hwb = function (rgb) {
- var r = rgb[0];
- var g = rgb[1];
- var b = rgb[2];
- var h = convert.rgb.hsl(rgb)[0];
- var w = 1 / 255 * Math.min(r, Math.min(g, b));
-
- b = 1 - 1 / 255 * Math.max(r, Math.max(g, b));
-
- return [h, w * 100, b * 100];
- };
-
- convert.rgb.cmyk = function (rgb) {
- var r = rgb[0] / 255;
- var g = rgb[1] / 255;
- var b = rgb[2] / 255;
- var c;
- var m;
- var y;
- var k;
-
- k = Math.min(1 - r, 1 - g, 1 - b);
- c = (1 - r - k) / (1 - k) || 0;
- m = (1 - g - k) / (1 - k) || 0;
- y = (1 - b - k) / (1 - k) || 0;
-
- return [c * 100, m * 100, y * 100, k * 100];
- };
-
- /**
- * See https://en.m.wikipedia.org/wiki/Euclidean_distance#Squared_Euclidean_distance
- * */
- function comparativeDistance(x, y) {
- return (
- Math.pow(x[0] - y[0], 2) +
- Math.pow(x[1] - y[1], 2) +
- Math.pow(x[2] - y[2], 2)
- );
- }
-
- convert.rgb.keyword = function (rgb) {
- var reversed = reverseKeywords[rgb];
- if (reversed) {
- return reversed;
- }
-
- var currentClosestDistance = Infinity;
- var currentClosestKeyword;
-
- for (var keyword in colorName) {
- if (colorName.hasOwnProperty(keyword)) {
- var value = colorName[keyword];
-
- // Compute comparative distance
- var distance = comparativeDistance(rgb, value);
-
- // Check if its less, if so set as closest
- if (distance < currentClosestDistance) {
- currentClosestDistance = distance;
- currentClosestKeyword = keyword;
- }
- }
- }
-
- return currentClosestKeyword;
- };
-
- convert.keyword.rgb = function (keyword) {
- return colorName[keyword];
- };
-
- convert.rgb.xyz = function (rgb) {
- var r = rgb[0] / 255;
- var g = rgb[1] / 255;
- var b = rgb[2] / 255;
-
- // assume sRGB
- r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);
- g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);
- b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);
-
- var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
- var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
- var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
-
- return [x * 100, y * 100, z * 100];
- };
-
- convert.rgb.lab = function (rgb) {
- var xyz = convert.rgb.xyz(rgb);
- var x = xyz[0];
- var y = xyz[1];
- var z = xyz[2];
- var l;
- var a;
- var b;
-
- x /= 95.047;
- y /= 100;
- z /= 108.883;
-
- x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116);
- y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116);
- z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116);
-
- l = (116 * y) - 16;
- a = 500 * (x - y);
- b = 200 * (y - z);
-
- return [l, a, b];
- };
-
- convert.hsl.rgb = function (hsl) {
- var h = hsl[0] / 360;
- var s = hsl[1] / 100;
- var l = hsl[2] / 100;
- var t1;
- var t2;
- var t3;
- var rgb;
- var val;
-
- if (s === 0) {
- val = l * 255;
- return [val, val, val];
- }
-
- if (l < 0.5) {
- t2 = l * (1 + s);
- } else {
- t2 = l + s - l * s;
- }
-
- t1 = 2 * l - t2;
-
- rgb = [0, 0, 0];
- for (var i = 0; i < 3; i++) {
- t3 = h + 1 / 3 * -(i - 1);
- if (t3 < 0) {
- t3++;
- }
- if (t3 > 1) {
- t3--;
- }
-
- if (6 * t3 < 1) {
- val = t1 + (t2 - t1) * 6 * t3;
- } else if (2 * t3 < 1) {
- val = t2;
- } else if (3 * t3 < 2) {
- val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
- } else {
- val = t1;
- }
-
- rgb[i] = val * 255;
- }
-
- return rgb;
- };
-
- convert.hsl.hsv = function (hsl) {
- var h = hsl[0];
- var s = hsl[1] / 100;
- var l = hsl[2] / 100;
- var smin = s;
- var lmin = Math.max(l, 0.01);
- var sv;
- var v;
-
- l *= 2;
- s *= (l <= 1) ? l : 2 - l;
- smin *= lmin <= 1 ? lmin : 2 - lmin;
- v = (l + s) / 2;
- sv = l === 0 ? (2 * smin) / (lmin + smin) : (2 * s) / (l + s);
-
- return [h, sv * 100, v * 100];
- };
-
- convert.hsv.rgb = function (hsv) {
- var h = hsv[0] / 60;
- var s = hsv[1] / 100;
- var v = hsv[2] / 100;
- var hi = Math.floor(h) % 6;
-
- var f = h - Math.floor(h);
- var p = 255 * v * (1 - s);
- var q = 255 * v * (1 - (s * f));
- var t = 255 * v * (1 - (s * (1 - f)));
- v *= 255;
-
- switch (hi) {
- case 0:
- return [v, t, p];
- case 1:
- return [q, v, p];
- case 2:
- return [p, v, t];
- case 3:
- return [p, q, v];
- case 4:
- return [t, p, v];
- case 5:
- return [v, p, q];
- }
- };
-
- convert.hsv.hsl = function (hsv) {
- var h = hsv[0];
- var s = hsv[1] / 100;
- var v = hsv[2] / 100;
- var vmin = Math.max(v, 0.01);
- var lmin;
- var sl;
- var l;
-
- l = (2 - s) * v;
- lmin = (2 - s) * vmin;
- sl = s * vmin;
- sl /= (lmin <= 1) ? lmin : 2 - lmin;
- sl = sl || 0;
- l /= 2;
-
- return [h, sl * 100, l * 100];
- };
-
- // http://dev.w3.org/csswg/css-color/#hwb-to-rgb
- convert.hwb.rgb = function (hwb) {
- var h = hwb[0] / 360;
- var wh = hwb[1] / 100;
- var bl = hwb[2] / 100;
- var ratio = wh + bl;
- var i;
- var v;
- var f;
- var n;
-
- // wh + bl cant be > 1
- if (ratio > 1) {
- wh /= ratio;
- bl /= ratio;
- }
-
- i = Math.floor(6 * h);
- v = 1 - bl;
- f = 6 * h - i;
-
- if ((i & 0x01) !== 0) {
- f = 1 - f;
- }
-
- n = wh + f * (v - wh); // linear interpolation
-
- var r;
- var g;
- var b;
- switch (i) {
- default:
- case 6:
- case 0: r = v; g = n; b = wh; break;
- case 1: r = n; g = v; b = wh; break;
- case 2: r = wh; g = v; b = n; break;
- case 3: r = wh; g = n; b = v; break;
- case 4: r = n; g = wh; b = v; break;
- case 5: r = v; g = wh; b = n; break;
- }
-
- return [r * 255, g * 255, b * 255];
- };
-
- convert.cmyk.rgb = function (cmyk) {
- var c = cmyk[0] / 100;
- var m = cmyk[1] / 100;
- var y = cmyk[2] / 100;
- var k = cmyk[3] / 100;
- var r;
- var g;
- var b;
-
- r = 1 - Math.min(1, c * (1 - k) + k);
- g = 1 - Math.min(1, m * (1 - k) + k);
- b = 1 - Math.min(1, y * (1 - k) + k);
-
- return [r * 255, g * 255, b * 255];
- };
-
- convert.xyz.rgb = function (xyz) {
- var x = xyz[0] / 100;
- var y = xyz[1] / 100;
- var z = xyz[2] / 100;
- var r;
- var g;
- var b;
-
- r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);
- g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);
- b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);
-
- // assume sRGB
- r = r > 0.0031308
- ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)
- : r * 12.92;
-
- g = g > 0.0031308
- ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)
- : g * 12.92;
-
- b = b > 0.0031308
- ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)
- : b * 12.92;
-
- r = Math.min(Math.max(0, r), 1);
- g = Math.min(Math.max(0, g), 1);
- b = Math.min(Math.max(0, b), 1);
-
- return [r * 255, g * 255, b * 255];
- };
-
- convert.xyz.lab = function (xyz) {
- var x = xyz[0];
- var y = xyz[1];
- var z = xyz[2];
- var l;
- var a;
- var b;
-
- x /= 95.047;
- y /= 100;
- z /= 108.883;
-
- x = x > 0.008856 ? Math.pow(x, 1 / 3) : (7.787 * x) + (16 / 116);
- y = y > 0.008856 ? Math.pow(y, 1 / 3) : (7.787 * y) + (16 / 116);
- z = z > 0.008856 ? Math.pow(z, 1 / 3) : (7.787 * z) + (16 / 116);
-
- l = (116 * y) - 16;
- a = 500 * (x - y);
- b = 200 * (y - z);
-
- return [l, a, b];
- };
-
- convert.lab.xyz = function (lab) {
- var l = lab[0];
- var a = lab[1];
- var b = lab[2];
- var x;
- var y;
- var z;
-
- y = (l + 16) / 116;
- x = a / 500 + y;
- z = y - b / 200;
-
- var y2 = Math.pow(y, 3);
- var x2 = Math.pow(x, 3);
- var z2 = Math.pow(z, 3);
- y = y2 > 0.008856 ? y2 : (y - 16 / 116) / 7.787;
- x = x2 > 0.008856 ? x2 : (x - 16 / 116) / 7.787;
- z = z2 > 0.008856 ? z2 : (z - 16 / 116) / 7.787;
-
- x *= 95.047;
- y *= 100;
- z *= 108.883;
-
- return [x, y, z];
- };
-
- convert.lab.lch = function (lab) {
- var l = lab[0];
- var a = lab[1];
- var b = lab[2];
- var hr;
- var h;
- var c;
-
- hr = Math.atan2(b, a);
- h = hr * 360 / 2 / Math.PI;
-
- if (h < 0) {
- h += 360;
- }
-
- c = Math.sqrt(a * a + b * b);
-
- return [l, c, h];
- };
-
- convert.lch.lab = function (lch) {
- var l = lch[0];
- var c = lch[1];
- var h = lch[2];
- var a;
- var b;
- var hr;
-
- hr = h / 360 * 2 * Math.PI;
- a = c * Math.cos(hr);
- b = c * Math.sin(hr);
-
- return [l, a, b];
- };
-
- convert.rgb.ansi16 = function (args) {
- var r = args[0];
- var g = args[1];
- var b = args[2];
- var value = 1 in arguments ? arguments[1] : convert.rgb.hsv(args)[2]; // hsv -> ansi16 optimization
-
- value = Math.round(value / 50);
-
- if (value === 0) {
- return 30;
- }
-
- var ansi = 30
- + ((Math.round(b / 255) << 2)
- | (Math.round(g / 255) << 1)
- | Math.round(r / 255));
-
- if (value === 2) {
- ansi += 60;
- }
-
- return ansi;
- };
-
- convert.hsv.ansi16 = function (args) {
- // optimization here; we already know the value and don't need to get
- // it converted for us.
- return convert.rgb.ansi16(convert.hsv.rgb(args), args[2]);
- };
-
- convert.rgb.ansi256 = function (args) {
- var r = args[0];
- var g = args[1];
- var b = args[2];
-
- // we use the extended greyscale palette here, with the exception of
- // black and white. normal palette only has 4 greyscale shades.
- if (r === g && g === b) {
- if (r < 8) {
- return 16;
- }
-
- if (r > 248) {
- return 231;
- }
-
- return Math.round(((r - 8) / 247) * 24) + 232;
- }
-
- var ansi = 16
- + (36 * Math.round(r / 255 * 5))
- + (6 * Math.round(g / 255 * 5))
- + Math.round(b / 255 * 5);
-
- return ansi;
- };
-
- convert.ansi16.rgb = function (args) {
- var color = args % 10;
-
- // handle greyscale
- if (color === 0 || color === 7) {
- if (args > 50) {
- color += 3.5;
- }
-
- color = color / 10.5 * 255;
-
- return [color, color, color];
- }
-
- var mult = (~~(args > 50) + 1) * 0.5;
- var r = ((color & 1) * mult) * 255;
- var g = (((color >> 1) & 1) * mult) * 255;
- var b = (((color >> 2) & 1) * mult) * 255;
-
- return [r, g, b];
- };
-
- convert.ansi256.rgb = function (args) {
- // handle greyscale
- if (args >= 232) {
- var c = (args - 232) * 10 + 8;
- return [c, c, c];
- }
-
- args -= 16;
-
- var rem;
- var r = Math.floor(args / 36) / 5 * 255;
- var g = Math.floor((rem = args % 36) / 6) / 5 * 255;
- var b = (rem % 6) / 5 * 255;
-
- return [r, g, b];
- };
-
- convert.rgb.hex = function (args) {
- var integer = ((Math.round(args[0]) & 0xFF) << 16)
- + ((Math.round(args[1]) & 0xFF) << 8)
- + (Math.round(args[2]) & 0xFF);
-
- var string = integer.toString(16).toUpperCase();
- return '000000'.substring(string.length) + string;
- };
-
- convert.hex.rgb = function (args) {
- var match = args.toString(16).match(/[a-f0-9]{6}|[a-f0-9]{3}/i);
- if (!match) {
- return [0, 0, 0];
- }
-
- var colorString = match[0];
-
- if (match[0].length === 3) {
- colorString = colorString.split('').map(function (char) {
- return char + char;
- }).join('');
- }
-
- var integer = parseInt(colorString, 16);
- var r = (integer >> 16) & 0xFF;
- var g = (integer >> 8) & 0xFF;
- var b = integer & 0xFF;
-
- return [r, g, b];
- };
-
- convert.rgb.hcg = function (rgb) {
- var r = rgb[0] / 255;
- var g = rgb[1] / 255;
- var b = rgb[2] / 255;
- var max = Math.max(Math.max(r, g), b);
- var min = Math.min(Math.min(r, g), b);
- var chroma = (max - min);
- var grayscale;
- var hue;
-
- if (chroma < 1) {
- grayscale = min / (1 - chroma);
- } else {
- grayscale = 0;
- }
-
- if (chroma <= 0) {
- hue = 0;
- } else
- if (max === r) {
- hue = ((g - b) / chroma) % 6;
- } else
- if (max === g) {
- hue = 2 + (b - r) / chroma;
- } else {
- hue = 4 + (r - g) / chroma + 4;
- }
-
- hue /= 6;
- hue %= 1;
-
- return [hue * 360, chroma * 100, grayscale * 100];
- };
-
- convert.hsl.hcg = function (hsl) {
- var s = hsl[1] / 100;
- var l = hsl[2] / 100;
- var c = 1;
- var f = 0;
-
- if (l < 0.5) {
- c = 2.0 * s * l;
- } else {
- c = 2.0 * s * (1.0 - l);
- }
-
- if (c < 1.0) {
- f = (l - 0.5 * c) / (1.0 - c);
- }
-
- return [hsl[0], c * 100, f * 100];
- };
-
- convert.hsv.hcg = function (hsv) {
- var s = hsv[1] / 100;
- var v = hsv[2] / 100;
-
- var c = s * v;
- var f = 0;
-
- if (c < 1.0) {
- f = (v - c) / (1 - c);
- }
-
- return [hsv[0], c * 100, f * 100];
- };
-
- convert.hcg.rgb = function (hcg) {
- var h = hcg[0] / 360;
- var c = hcg[1] / 100;
- var g = hcg[2] / 100;
-
- if (c === 0.0) {
- return [g * 255, g * 255, g * 255];
- }
-
- var pure = [0, 0, 0];
- var hi = (h % 1) * 6;
- var v = hi % 1;
- var w = 1 - v;
- var mg = 0;
-
- switch (Math.floor(hi)) {
- case 0:
- pure[0] = 1; pure[1] = v; pure[2] = 0; break;
- case 1:
- pure[0] = w; pure[1] = 1; pure[2] = 0; break;
- case 2:
- pure[0] = 0; pure[1] = 1; pure[2] = v; break;
- case 3:
- pure[0] = 0; pure[1] = w; pure[2] = 1; break;
- case 4:
- pure[0] = v; pure[1] = 0; pure[2] = 1; break;
- default:
- pure[0] = 1; pure[1] = 0; pure[2] = w;
- }
-
- mg = (1.0 - c) * g;
-
- return [
- (c * pure[0] + mg) * 255,
- (c * pure[1] + mg) * 255,
- (c * pure[2] + mg) * 255
- ];
- };
-
- convert.hcg.hsv = function (hcg) {
- var c = hcg[1] / 100;
- var g = hcg[2] / 100;
-
- var v = c + g * (1.0 - c);
- var f = 0;
-
- if (v > 0.0) {
- f = c / v;
- }
-
- return [hcg[0], f * 100, v * 100];
- };
-
- convert.hcg.hsl = function (hcg) {
- var c = hcg[1] / 100;
- var g = hcg[2] / 100;
-
- var l = g * (1.0 - c) + 0.5 * c;
- var s = 0;
-
- if (l > 0.0 && l < 0.5) {
- s = c / (2 * l);
- } else
- if (l >= 0.5 && l < 1.0) {
- s = c / (2 * (1 - l));
- }
-
- return [hcg[0], s * 100, l * 100];
- };
-
- convert.hcg.hwb = function (hcg) {
- var c = hcg[1] / 100;
- var g = hcg[2] / 100;
- var v = c + g * (1.0 - c);
- return [hcg[0], (v - c) * 100, (1 - v) * 100];
- };
-
- convert.hwb.hcg = function (hwb) {
- var w = hwb[1] / 100;
- var b = hwb[2] / 100;
- var v = 1 - b;
- var c = v - w;
- var g = 0;
-
- if (c < 1) {
- g = (v - c) / (1 - c);
- }
-
- return [hwb[0], c * 100, g * 100];
- };
-
- convert.apple.rgb = function (apple) {
- return [(apple[0] / 65535) * 255, (apple[1] / 65535) * 255, (apple[2] / 65535) * 255];
- };
-
- convert.rgb.apple = function (rgb) {
- return [(rgb[0] / 255) * 65535, (rgb[1] / 255) * 65535, (rgb[2] / 255) * 65535];
- };
-
- convert.gray.rgb = function (args) {
- return [args[0] / 100 * 255, args[0] / 100 * 255, args[0] / 100 * 255];
- };
-
- convert.gray.hsl = convert.gray.hsv = function (args) {
- return [0, 0, args[0]];
- };
-
- convert.gray.hwb = function (gray) {
- return [0, 100, gray[0]];
- };
-
- convert.gray.cmyk = function (gray) {
- return [0, 0, 0, gray[0]];
- };
-
- convert.gray.lab = function (gray) {
- return [gray[0], 0, 0];
- };
-
- convert.gray.hex = function (gray) {
- var val = Math.round(gray[0] / 100 * 255) & 0xFF;
- var integer = (val << 16) + (val << 8) + val;
-
- var string = integer.toString(16).toUpperCase();
- return '000000'.substring(string.length) + string;
- };
-
- convert.rgb.gray = function (rgb) {
- var val = (rgb[0] + rgb[1] + rgb[2]) / 3;
- return [val / 255 * 100];
- };
- });
- var conversions_1 = conversions.rgb;
- var conversions_2 = conversions.hsl;
- var conversions_3 = conversions.hsv;
- var conversions_4 = conversions.hwb;
- var conversions_5 = conversions.cmyk;
- var conversions_6 = conversions.xyz;
- var conversions_7 = conversions.lab;
- var conversions_8 = conversions.lch;
- var conversions_9 = conversions.hex;
- var conversions_10 = conversions.keyword;
- var conversions_11 = conversions.ansi16;
- var conversions_12 = conversions.ansi256;
- var conversions_13 = conversions.hcg;
- var conversions_14 = conversions.apple;
- var conversions_15 = conversions.gray;
-
- /*
- this function routes a model to all other models.
-
- all functions that are routed have a property `.conversion` attached
- to the returned synthetic function. This property is an array
- of strings, each with the steps in between the 'from' and 'to'
- color models (inclusive).
-
- conversions that are not possible simply are not included.
- */
-
- function buildGraph() {
- var graph = {};
- // https://jsperf.com/object-keys-vs-for-in-with-closure/3
- var models = Object.keys(conversions);
-
- for (var len = models.length, i = 0; i < len; i++) {
- graph[models[i]] = {
- // http://jsperf.com/1-vs-infinity
- // micro-opt, but this is simple.
- distance: -1,
- parent: null
- };
- }
-
- return graph;
- }
-
- // https://en.wikipedia.org/wiki/Breadth-first_search
- function deriveBFS(fromModel) {
- var graph = buildGraph();
- var queue = [fromModel]; // unshift -> queue -> pop
-
- graph[fromModel].distance = 0;
-
- while (queue.length) {
- var current = queue.pop();
- var adjacents = Object.keys(conversions[current]);
-
- for (var len = adjacents.length, i = 0; i < len; i++) {
- var adjacent = adjacents[i];
- var node = graph[adjacent];
-
- if (node.distance === -1) {
- node.distance = graph[current].distance + 1;
- node.parent = current;
- queue.unshift(adjacent);
- }
- }
- }
-
- return graph;
- }
-
- function link(from, to) {
- return function (args) {
- return to(from(args));
- };
- }
-
- function wrapConversion(toModel, graph) {
- var path = [graph[toModel].parent, toModel];
- var fn = conversions[graph[toModel].parent][toModel];
-
- var cur = graph[toModel].parent;
- while (graph[cur].parent) {
- path.unshift(graph[cur].parent);
- fn = link(conversions[graph[cur].parent][cur], fn);
- cur = graph[cur].parent;
- }
-
- fn.conversion = path;
- return fn;
- }
-
- var route = function (fromModel) {
- var graph = deriveBFS(fromModel);
- var conversion = {};
-
- var models = Object.keys(graph);
- for (var len = models.length, i = 0; i < len; i++) {
- var toModel = models[i];
- var node = graph[toModel];
-
- if (node.parent === null) {
- // no possible conversion, or this node is the source model.
- continue;
- }
-
- conversion[toModel] = wrapConversion(toModel, graph);
- }
-
- return conversion;
- };
-
- var convert = {};
-
- var models = Object.keys(conversions);
-
- function wrapRaw(fn) {
- var wrappedFn = function (args) {
- if (args === undefined || args === null) {
- return args;
- }
-
- if (arguments.length > 1) {
- args = Array.prototype.slice.call(arguments);
- }
-
- return fn(args);
- };
-
- // preserve .conversion property if there is one
- if ('conversion' in fn) {
- wrappedFn.conversion = fn.conversion;
- }
-
- return wrappedFn;
- }
-
- function wrapRounded(fn) {
- var wrappedFn = function (args) {
- if (args === undefined || args === null) {
- return args;
- }
-
- if (arguments.length > 1) {
- args = Array.prototype.slice.call(arguments);
- }
-
- var result = fn(args);
-
- // we're assuming the result is an array here.
- // see notice in conversions.js; don't use box types
- // in conversion functions.
- if (typeof result === 'object') {
- for (var len = result.length, i = 0; i < len; i++) {
- result[i] = Math.round(result[i]);
- }
- }
-
- return result;
- };
-
- // preserve .conversion property if there is one
- if ('conversion' in fn) {
- wrappedFn.conversion = fn.conversion;
- }
-
- return wrappedFn;
- }
-
- models.forEach(function (fromModel) {
- convert[fromModel] = {};
-
- Object.defineProperty(convert[fromModel], 'channels', {value: conversions[fromModel].channels});
- Object.defineProperty(convert[fromModel], 'labels', {value: conversions[fromModel].labels});
-
- var routes = route(fromModel);
- var routeModels = Object.keys(routes);
-
- routeModels.forEach(function (toModel) {
- var fn = routes[toModel];
-
- convert[fromModel][toModel] = wrapRounded(fn);
- convert[fromModel][toModel].raw = wrapRaw(fn);
- });
- });
-
- var colorConvert = convert;
-
- var colorName$1 = {
- "aliceblue": [240, 248, 255],
- "antiquewhite": [250, 235, 215],
- "aqua": [0, 255, 255],
- "aquamarine": [127, 255, 212],
- "azure": [240, 255, 255],
- "beige": [245, 245, 220],
- "bisque": [255, 228, 196],
- "black": [0, 0, 0],
- "blanchedalmond": [255, 235, 205],
- "blue": [0, 0, 255],
- "blueviolet": [138, 43, 226],
- "brown": [165, 42, 42],
- "burlywood": [222, 184, 135],
- "cadetblue": [95, 158, 160],
- "chartreuse": [127, 255, 0],
- "chocolate": [210, 105, 30],
- "coral": [255, 127, 80],
- "cornflowerblue": [100, 149, 237],
- "cornsilk": [255, 248, 220],
- "crimson": [220, 20, 60],
- "cyan": [0, 255, 255],
- "darkblue": [0, 0, 139],
- "darkcyan": [0, 139, 139],
- "darkgoldenrod": [184, 134, 11],
- "darkgray": [169, 169, 169],
- "darkgreen": [0, 100, 0],
- "darkgrey": [169, 169, 169],
- "darkkhaki": [189, 183, 107],
- "darkmagenta": [139, 0, 139],
- "darkolivegreen": [85, 107, 47],
- "darkorange": [255, 140, 0],
- "darkorchid": [153, 50, 204],
- "darkred": [139, 0, 0],
- "darksalmon": [233, 150, 122],
- "darkseagreen": [143, 188, 143],
- "darkslateblue": [72, 61, 139],
- "darkslategray": [47, 79, 79],
- "darkslategrey": [47, 79, 79],
- "darkturquoise": [0, 206, 209],
- "darkviolet": [148, 0, 211],
- "deeppink": [255, 20, 147],
- "deepskyblue": [0, 191, 255],
- "dimgray": [105, 105, 105],
- "dimgrey": [105, 105, 105],
- "dodgerblue": [30, 144, 255],
- "firebrick": [178, 34, 34],
- "floralwhite": [255, 250, 240],
- "forestgreen": [34, 139, 34],
- "fuchsia": [255, 0, 255],
- "gainsboro": [220, 220, 220],
- "ghostwhite": [248, 248, 255],
- "gold": [255, 215, 0],
- "goldenrod": [218, 165, 32],
- "gray": [128, 128, 128],
- "green": [0, 128, 0],
- "greenyellow": [173, 255, 47],
- "grey": [128, 128, 128],
- "honeydew": [240, 255, 240],
- "hotpink": [255, 105, 180],
- "indianred": [205, 92, 92],
- "indigo": [75, 0, 130],
- "ivory": [255, 255, 240],
- "khaki": [240, 230, 140],
- "lavender": [230, 230, 250],
- "lavenderblush": [255, 240, 245],
- "lawngreen": [124, 252, 0],
- "lemonchiffon": [255, 250, 205],
- "lightblue": [173, 216, 230],
- "lightcoral": [240, 128, 128],
- "lightcyan": [224, 255, 255],
- "lightgoldenrodyellow": [250, 250, 210],
- "lightgray": [211, 211, 211],
- "lightgreen": [144, 238, 144],
- "lightgrey": [211, 211, 211],
- "lightpink": [255, 182, 193],
- "lightsalmon": [255, 160, 122],
- "lightseagreen": [32, 178, 170],
- "lightskyblue": [135, 206, 250],
- "lightslategray": [119, 136, 153],
- "lightslategrey": [119, 136, 153],
- "lightsteelblue": [176, 196, 222],
- "lightyellow": [255, 255, 224],
- "lime": [0, 255, 0],
- "limegreen": [50, 205, 50],
- "linen": [250, 240, 230],
- "magenta": [255, 0, 255],
- "maroon": [128, 0, 0],
- "mediumaquamarine": [102, 205, 170],
- "mediumblue": [0, 0, 205],
- "mediumorchid": [186, 85, 211],
- "mediumpurple": [147, 112, 219],
- "mediumseagreen": [60, 179, 113],
- "mediumslateblue": [123, 104, 238],
- "mediumspringgreen": [0, 250, 154],
- "mediumturquoise": [72, 209, 204],
- "mediumvioletred": [199, 21, 133],
- "midnightblue": [25, 25, 112],
- "mintcream": [245, 255, 250],
- "mistyrose": [255, 228, 225],
- "moccasin": [255, 228, 181],
- "navajowhite": [255, 222, 173],
- "navy": [0, 0, 128],
- "oldlace": [253, 245, 230],
- "olive": [128, 128, 0],
- "olivedrab": [107, 142, 35],
- "orange": [255, 165, 0],
- "orangered": [255, 69, 0],
- "orchid": [218, 112, 214],
- "palegoldenrod": [238, 232, 170],
- "palegreen": [152, 251, 152],
- "paleturquoise": [175, 238, 238],
- "palevioletred": [219, 112, 147],
- "papayawhip": [255, 239, 213],
- "peachpuff": [255, 218, 185],
- "peru": [205, 133, 63],
- "pink": [255, 192, 203],
- "plum": [221, 160, 221],
- "powderblue": [176, 224, 230],
- "purple": [128, 0, 128],
- "rebeccapurple": [102, 51, 153],
- "red": [255, 0, 0],
- "rosybrown": [188, 143, 143],
- "royalblue": [65, 105, 225],
- "saddlebrown": [139, 69, 19],
- "salmon": [250, 128, 114],
- "sandybrown": [244, 164, 96],
- "seagreen": [46, 139, 87],
- "seashell": [255, 245, 238],
- "sienna": [160, 82, 45],
- "silver": [192, 192, 192],
- "skyblue": [135, 206, 235],
- "slateblue": [106, 90, 205],
- "slategray": [112, 128, 144],
- "slategrey": [112, 128, 144],
- "snow": [255, 250, 250],
- "springgreen": [0, 255, 127],
- "steelblue": [70, 130, 180],
- "tan": [210, 180, 140],
- "teal": [0, 128, 128],
- "thistle": [216, 191, 216],
- "tomato": [255, 99, 71],
- "turquoise": [64, 224, 208],
- "violet": [238, 130, 238],
- "wheat": [245, 222, 179],
- "white": [255, 255, 255],
- "whitesmoke": [245, 245, 245],
- "yellow": [255, 255, 0],
- "yellowgreen": [154, 205, 50]
- };
-
- /* MIT license */
-
-
- var colorString = {
- getRgba: getRgba,
- getHsla: getHsla,
- getRgb: getRgb,
- getHsl: getHsl,
- getHwb: getHwb,
- getAlpha: getAlpha,
-
- hexString: hexString,
- rgbString: rgbString,
- rgbaString: rgbaString,
- percentString: percentString,
- percentaString: percentaString,
- hslString: hslString,
- hslaString: hslaString,
- hwbString: hwbString,
- keyword: keyword
- };
-
- function getRgba(string) {
- if (!string) {
- return;
- }
- var abbr = /^#([a-fA-F0-9]{3,4})$/i,
- hex = /^#([a-fA-F0-9]{6}([a-fA-F0-9]{2})?)$/i,
- rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i,
- per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i,
- keyword = /(\w+)/;
-
- var rgb = [0, 0, 0],
- a = 1,
- match = string.match(abbr),
- hexAlpha = "";
- if (match) {
- match = match[1];
- hexAlpha = match[3];
- for (var i = 0; i < rgb.length; i++) {
- rgb[i] = parseInt(match[i] + match[i], 16);
- }
- if (hexAlpha) {
- a = Math.round((parseInt(hexAlpha + hexAlpha, 16) / 255) * 100) / 100;
- }
- }
- else if (match = string.match(hex)) {
- hexAlpha = match[2];
- match = match[1];
- for (var i = 0; i < rgb.length; i++) {
- rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16);
- }
- if (hexAlpha) {
- a = Math.round((parseInt(hexAlpha, 16) / 255) * 100) / 100;
- }
- }
- else if (match = string.match(rgba)) {
- for (var i = 0; i < rgb.length; i++) {
- rgb[i] = parseInt(match[i + 1]);
- }
- a = parseFloat(match[4]);
- }
- else if (match = string.match(per)) {
- for (var i = 0; i < rgb.length; i++) {
- rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55);
- }
- a = parseFloat(match[4]);
- }
- else if (match = string.match(keyword)) {
- if (match[1] == "transparent") {
- return [0, 0, 0, 0];
- }
- rgb = colorName$1[match[1]];
- if (!rgb) {
- return;
- }
- }
-
- for (var i = 0; i < rgb.length; i++) {
- rgb[i] = scale(rgb[i], 0, 255);
- }
- if (!a && a != 0) {
- a = 1;
- }
- else {
- a = scale(a, 0, 1);
- }
- rgb[3] = a;
- return rgb;
- }
-
- function getHsla(string) {
- if (!string) {
- return;
- }
- var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/;
- var match = string.match(hsl);
- if (match) {
- var alpha = parseFloat(match[4]);
- var h = scale(parseInt(match[1]), 0, 360),
- s = scale(parseFloat(match[2]), 0, 100),
- l = scale(parseFloat(match[3]), 0, 100),
- a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);
- return [h, s, l, a];
- }
- }
-
- function getHwb(string) {
- if (!string) {
- return;
- }
- var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/;
- var match = string.match(hwb);
- if (match) {
- var alpha = parseFloat(match[4]);
- var h = scale(parseInt(match[1]), 0, 360),
- w = scale(parseFloat(match[2]), 0, 100),
- b = scale(parseFloat(match[3]), 0, 100),
- a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);
- return [h, w, b, a];
- }
- }
-
- function getRgb(string) {
- var rgba = getRgba(string);
- return rgba && rgba.slice(0, 3);
- }
-
- function getHsl(string) {
- var hsla = getHsla(string);
- return hsla && hsla.slice(0, 3);
- }
-
- function getAlpha(string) {
- var vals = getRgba(string);
- if (vals) {
- return vals[3];
- }
- else if (vals = getHsla(string)) {
- return vals[3];
- }
- else if (vals = getHwb(string)) {
- return vals[3];
- }
- }
-
- // generators
- function hexString(rgba, a) {
- var a = (a !== undefined && rgba.length === 3) ? a : rgba[3];
- return "#" + hexDouble(rgba[0])
- + hexDouble(rgba[1])
- + hexDouble(rgba[2])
- + (
- (a >= 0 && a < 1)
- ? hexDouble(Math.round(a * 255))
- : ""
- );
- }
-
- function rgbString(rgba, alpha) {
- if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {
- return rgbaString(rgba, alpha);
- }
- return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")";
- }
-
- function rgbaString(rgba, alpha) {
- if (alpha === undefined) {
- alpha = (rgba[3] !== undefined ? rgba[3] : 1);
- }
- return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2]
- + ", " + alpha + ")";
- }
-
- function percentString(rgba, alpha) {
- if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {
- return percentaString(rgba, alpha);
- }
- var r = Math.round(rgba[0]/255 * 100),
- g = Math.round(rgba[1]/255 * 100),
- b = Math.round(rgba[2]/255 * 100);
-
- return "rgb(" + r + "%, " + g + "%, " + b + "%)";
- }
-
- function percentaString(rgba, alpha) {
- var r = Math.round(rgba[0]/255 * 100),
- g = Math.round(rgba[1]/255 * 100),
- b = Math.round(rgba[2]/255 * 100);
- return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")";
- }
-
- function hslString(hsla, alpha) {
- if (alpha < 1 || (hsla[3] && hsla[3] < 1)) {
- return hslaString(hsla, alpha);
- }
- return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)";
- }
-
- function hslaString(hsla, alpha) {
- if (alpha === undefined) {
- alpha = (hsla[3] !== undefined ? hsla[3] : 1);
- }
- return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, "
- + alpha + ")";
- }
-
- // hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax
- // (hwb have alpha optional & 1 is default value)
- function hwbString(hwb, alpha) {
- if (alpha === undefined) {
- alpha = (hwb[3] !== undefined ? hwb[3] : 1);
- }
- return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%"
- + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")";
- }
-
- function keyword(rgb) {
- return reverseNames[rgb.slice(0, 3)];
- }
-
- // helpers
- function scale(num, min, max) {
- return Math.min(Math.max(min, num), max);
- }
-
- function hexDouble(num) {
- var str = num.toString(16).toUpperCase();
- return (str.length < 2) ? "0" + str : str;
- }
-
-
- //create a list of reverse color names
- var reverseNames = {};
- for (var name in colorName$1) {
- reverseNames[colorName$1[name]] = name;
- }
-
- /* MIT license */
-
-
-
- var Color = function (obj) {
- if (obj instanceof Color) {
- return obj;
- }
- if (!(this instanceof Color)) {
- return new Color(obj);
- }
-
- this.valid = false;
- this.values = {
- rgb: [0, 0, 0],
- hsl: [0, 0, 0],
- hsv: [0, 0, 0],
- hwb: [0, 0, 0],
- cmyk: [0, 0, 0, 0],
- alpha: 1
- };
-
- // parse Color() argument
- var vals;
- if (typeof obj === 'string') {
- vals = colorString.getRgba(obj);
- if (vals) {
- this.setValues('rgb', vals);
- } else if (vals = colorString.getHsla(obj)) {
- this.setValues('hsl', vals);
- } else if (vals = colorString.getHwb(obj)) {
- this.setValues('hwb', vals);
- }
- } else if (typeof obj === 'object') {
- vals = obj;
- if (vals.r !== undefined || vals.red !== undefined) {
- this.setValues('rgb', vals);
- } else if (vals.l !== undefined || vals.lightness !== undefined) {
- this.setValues('hsl', vals);
- } else if (vals.v !== undefined || vals.value !== undefined) {
- this.setValues('hsv', vals);
- } else if (vals.w !== undefined || vals.whiteness !== undefined) {
- this.setValues('hwb', vals);
- } else if (vals.c !== undefined || vals.cyan !== undefined) {
- this.setValues('cmyk', vals);
- }
- }
- };
-
- Color.prototype = {
- isValid: function () {
- return this.valid;
- },
- rgb: function () {
- return this.setSpace('rgb', arguments);
- },
- hsl: function () {
- return this.setSpace('hsl', arguments);
- },
- hsv: function () {
- return this.setSpace('hsv', arguments);
- },
- hwb: function () {
- return this.setSpace('hwb', arguments);
- },
- cmyk: function () {
- return this.setSpace('cmyk', arguments);
- },
-
- rgbArray: function () {
- return this.values.rgb;
- },
- hslArray: function () {
- return this.values.hsl;
- },
- hsvArray: function () {
- return this.values.hsv;
- },
- hwbArray: function () {
- var values = this.values;
- if (values.alpha !== 1) {
- return values.hwb.concat([values.alpha]);
- }
- return values.hwb;
- },
- cmykArray: function () {
- return this.values.cmyk;
- },
- rgbaArray: function () {
- var values = this.values;
- return values.rgb.concat([values.alpha]);
- },
- hslaArray: function () {
- var values = this.values;
- return values.hsl.concat([values.alpha]);
- },
- alpha: function (val) {
- if (val === undefined) {
- return this.values.alpha;
- }
- this.setValues('alpha', val);
- return this;
- },
-
- red: function (val) {
- return this.setChannel('rgb', 0, val);
- },
- green: function (val) {
- return this.setChannel('rgb', 1, val);
- },
- blue: function (val) {
- return this.setChannel('rgb', 2, val);
- },
- hue: function (val) {
- if (val) {
- val %= 360;
- val = val < 0 ? 360 + val : val;
- }
- return this.setChannel('hsl', 0, val);
- },
- saturation: function (val) {
- return this.setChannel('hsl', 1, val);
- },
- lightness: function (val) {
- return this.setChannel('hsl', 2, val);
- },
- saturationv: function (val) {
- return this.setChannel('hsv', 1, val);
- },
- whiteness: function (val) {
- return this.setChannel('hwb', 1, val);
- },
- blackness: function (val) {
- return this.setChannel('hwb', 2, val);
- },
- value: function (val) {
- return this.setChannel('hsv', 2, val);
- },
- cyan: function (val) {
- return this.setChannel('cmyk', 0, val);
- },
- magenta: function (val) {
- return this.setChannel('cmyk', 1, val);
- },
- yellow: function (val) {
- return this.setChannel('cmyk', 2, val);
- },
- black: function (val) {
- return this.setChannel('cmyk', 3, val);
- },
-
- hexString: function () {
- return colorString.hexString(this.values.rgb);
- },
- rgbString: function () {
- return colorString.rgbString(this.values.rgb, this.values.alpha);
- },
- rgbaString: function () {
- return colorString.rgbaString(this.values.rgb, this.values.alpha);
- },
- percentString: function () {
- return colorString.percentString(this.values.rgb, this.values.alpha);
- },
- hslString: function () {
- return colorString.hslString(this.values.hsl, this.values.alpha);
- },
- hslaString: function () {
- return colorString.hslaString(this.values.hsl, this.values.alpha);
- },
- hwbString: function () {
- return colorString.hwbString(this.values.hwb, this.values.alpha);
- },
- keyword: function () {
- return colorString.keyword(this.values.rgb, this.values.alpha);
- },
-
- rgbNumber: function () {
- var rgb = this.values.rgb;
- return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];
- },
-
- luminosity: function () {
- // http://www.w3.org/TR/WCAG20/#relativeluminancedef
- var rgb = this.values.rgb;
- var lum = [];
- for (var i = 0; i < rgb.length; i++) {
- var chan = rgb[i] / 255;
- lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4);
- }
- return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2];
- },
-
- contrast: function (color2) {
- // http://www.w3.org/TR/WCAG20/#contrast-ratiodef
- var lum1 = this.luminosity();
- var lum2 = color2.luminosity();
- if (lum1 > lum2) {
- return (lum1 + 0.05) / (lum2 + 0.05);
- }
- return (lum2 + 0.05) / (lum1 + 0.05);
- },
-
- level: function (color2) {
- var contrastRatio = this.contrast(color2);
- if (contrastRatio >= 7.1) {
- return 'AAA';
- }
-
- return (contrastRatio >= 4.5) ? 'AA' : '';
- },
-
- dark: function () {
- // YIQ equation from http://24ways.org/2010/calculating-color-contrast
- var rgb = this.values.rgb;
- var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000;
- return yiq < 128;
- },
-
- light: function () {
- return !this.dark();
- },
-
- negate: function () {
- var rgb = [];
- for (var i = 0; i < 3; i++) {
- rgb[i] = 255 - this.values.rgb[i];
- }
- this.setValues('rgb', rgb);
- return this;
- },
-
- lighten: function (ratio) {
- var hsl = this.values.hsl;
- hsl[2] += hsl[2] * ratio;
- this.setValues('hsl', hsl);
- return this;
- },
-
- darken: function (ratio) {
- var hsl = this.values.hsl;
- hsl[2] -= hsl[2] * ratio;
- this.setValues('hsl', hsl);
- return this;
- },
-
- saturate: function (ratio) {
- var hsl = this.values.hsl;
- hsl[1] += hsl[1] * ratio;
- this.setValues('hsl', hsl);
- return this;
- },
-
- desaturate: function (ratio) {
- var hsl = this.values.hsl;
- hsl[1] -= hsl[1] * ratio;
- this.setValues('hsl', hsl);
- return this;
- },
-
- whiten: function (ratio) {
- var hwb = this.values.hwb;
- hwb[1] += hwb[1] * ratio;
- this.setValues('hwb', hwb);
- return this;
- },
-
- blacken: function (ratio) {
- var hwb = this.values.hwb;
- hwb[2] += hwb[2] * ratio;
- this.setValues('hwb', hwb);
- return this;
- },
-
- greyscale: function () {
- var rgb = this.values.rgb;
- // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale
- var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11;
- this.setValues('rgb', [val, val, val]);
- return this;
- },
-
- clearer: function (ratio) {
- var alpha = this.values.alpha;
- this.setValues('alpha', alpha - (alpha * ratio));
- return this;
- },
-
- opaquer: function (ratio) {
- var alpha = this.values.alpha;
- this.setValues('alpha', alpha + (alpha * ratio));
- return this;
- },
-
- rotate: function (degrees) {
- var hsl = this.values.hsl;
- var hue = (hsl[0] + degrees) % 360;
- hsl[0] = hue < 0 ? 360 + hue : hue;
- this.setValues('hsl', hsl);
- return this;
- },
-
- /**
- * Ported from sass implementation in C
- * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209
- */
- mix: function (mixinColor, weight) {
- var color1 = this;
- var color2 = mixinColor;
- var p = weight === undefined ? 0.5 : weight;
-
- var w = 2 * p - 1;
- var a = color1.alpha() - color2.alpha();
-
- var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0;
- var w2 = 1 - w1;
-
- return this
- .rgb(
- w1 * color1.red() + w2 * color2.red(),
- w1 * color1.green() + w2 * color2.green(),
- w1 * color1.blue() + w2 * color2.blue()
- )
- .alpha(color1.alpha() * p + color2.alpha() * (1 - p));
- },
-
- toJSON: function () {
- return this.rgb();
- },
-
- clone: function () {
- // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify,
- // making the final build way to big to embed in Chart.js. So let's do it manually,
- // assuming that values to clone are 1 dimension arrays containing only numbers,
- // except 'alpha' which is a number.
- var result = new Color();
- var source = this.values;
- var target = result.values;
- var value, type;
-
- for (var prop in source) {
- if (source.hasOwnProperty(prop)) {
- value = source[prop];
- type = ({}).toString.call(value);
- if (type === '[object Array]') {
- target[prop] = value.slice(0);
- } else if (type === '[object Number]') {
- target[prop] = value;
- } else {
- console.error('unexpected color value:', value);
- }
- }
- }
-
- return result;
- }
- };
-
- Color.prototype.spaces = {
- rgb: ['red', 'green', 'blue'],
- hsl: ['hue', 'saturation', 'lightness'],
- hsv: ['hue', 'saturation', 'value'],
- hwb: ['hue', 'whiteness', 'blackness'],
- cmyk: ['cyan', 'magenta', 'yellow', 'black']
- };
-
- Color.prototype.maxes = {
- rgb: [255, 255, 255],
- hsl: [360, 100, 100],
- hsv: [360, 100, 100],
- hwb: [360, 100, 100],
- cmyk: [100, 100, 100, 100]
- };
-
- Color.prototype.getValues = function (space) {
- var values = this.values;
- var vals = {};
-
- for (var i = 0; i < space.length; i++) {
- vals[space.charAt(i)] = values[space][i];
- }
-
- if (values.alpha !== 1) {
- vals.a = values.alpha;
- }
-
- // {r: 255, g: 255, b: 255, a: 0.4}
- return vals;
- };
-
- Color.prototype.setValues = function (space, vals) {
- var values = this.values;
- var spaces = this.spaces;
- var maxes = this.maxes;
- var alpha = 1;
- var i;
-
- this.valid = true;
-
- if (space === 'alpha') {
- alpha = vals;
- } else if (vals.length) {
- // [10, 10, 10]
- values[space] = vals.slice(0, space.length);
- alpha = vals[space.length];
- } else if (vals[space.charAt(0)] !== undefined) {
- // {r: 10, g: 10, b: 10}
- for (i = 0; i < space.length; i++) {
- values[space][i] = vals[space.charAt(i)];
- }
-
- alpha = vals.a;
- } else if (vals[spaces[space][0]] !== undefined) {
- // {red: 10, green: 10, blue: 10}
- var chans = spaces[space];
-
- for (i = 0; i < space.length; i++) {
- values[space][i] = vals[chans[i]];
- }
-
- alpha = vals.alpha;
- }
-
- values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha)));
-
- if (space === 'alpha') {
- return false;
- }
-
- var capped;
-
- // cap values of the space prior converting all values
- for (i = 0; i < space.length; i++) {
- capped = Math.max(0, Math.min(maxes[space][i], values[space][i]));
- values[space][i] = Math.round(capped);
- }
-
- // convert to all the other color spaces
- for (var sname in spaces) {
- if (sname !== space) {
- values[sname] = colorConvert[space][sname](values[space]);
- }
- }
-
- return true;
- };
-
- Color.prototype.setSpace = function (space, args) {
- var vals = args[0];
-
- if (vals === undefined) {
- // color.rgb()
- return this.getValues(space);
- }
-
- // color.rgb(10, 10, 10)
- if (typeof vals === 'number') {
- vals = Array.prototype.slice.call(args);
- }
-
- this.setValues(space, vals);
- return this;
- };
-
- Color.prototype.setChannel = function (space, index, val) {
- var svalues = this.values[space];
- if (val === undefined) {
- // color.red()
- return svalues[index];
- } else if (val === svalues[index]) {
- // color.red(color.red())
- return this;
- }
-
- // color.red(100)
- svalues[index] = val;
- this.setValues(space, svalues);
-
- return this;
- };
-
- if (typeof window !== 'undefined') {
- window.Color = Color;
- }
-
- var chartjsColor = Color;
-
- /**
- * @namespace Chart.helpers
- */
- var helpers = {
- /**
- * An empty function that can be used, for example, for optional callback.
- */
- noop: function() {},
-
- /**
- * Returns a unique id, sequentially generated from a global variable.
- * @returns {number}
- * @function
- */
- uid: (function() {
- var id = 0;
- return function() {
- return id++;
- };
- }()),
-
- /**
- * Returns true if `value` is neither null nor undefined, else returns false.
- * @param {*} value - The value to test.
- * @returns {boolean}
- * @since 2.7.0
- */
- isNullOrUndef: function(value) {
- return value === null || typeof value === 'undefined';
- },
-
- /**
- * Returns true if `value` is an array (including typed arrays), else returns false.
- * @param {*} value - The value to test.
- * @returns {boolean}
- * @function
- */
- isArray: function(value) {
- if (Array.isArray && Array.isArray(value)) {
- return true;
- }
- var type = Object.prototype.toString.call(value);
- if (type.substr(0, 7) === '[object' && type.substr(-6) === 'Array]') {
- return true;
- }
- return false;
- },
-
- /**
- * Returns true if `value` is an object (excluding null), else returns false.
- * @param {*} value - The value to test.
- * @returns {boolean}
- * @since 2.7.0
- */
- isObject: function(value) {
- return value !== null && Object.prototype.toString.call(value) === '[object Object]';
- },
-
- /**
- * Returns true if `value` is a finite number, else returns false
- * @param {*} value - The value to test.
- * @returns {boolean}
- */
- isFinite: function(value) {
- return (typeof value === 'number' || value instanceof Number) && isFinite(value);
- },
-
- /**
- * Returns `value` if defined, else returns `defaultValue`.
- * @param {*} value - The value to return if defined.
- * @param {*} defaultValue - The value to return if `value` is undefined.
- * @returns {*}
- */
- valueOrDefault: function(value, defaultValue) {
- return typeof value === 'undefined' ? defaultValue : value;
- },
-
- /**
- * Returns value at the given `index` in array if defined, else returns `defaultValue`.
- * @param {Array} value - The array to lookup for value at `index`.
- * @param {number} index - The index in `value` to lookup for value.
- * @param {*} defaultValue - The value to return if `value[index]` is undefined.
- * @returns {*}
- */
- valueAtIndexOrDefault: function(value, index, defaultValue) {
- return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue);
- },
-
- /**
- * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the
- * value returned by `fn`. If `fn` is not a function, this method returns undefined.
- * @param {function} fn - The function to call.
- * @param {Array|undefined|null} args - The arguments with which `fn` should be called.
- * @param {object} [thisArg] - The value of `this` provided for the call to `fn`.
- * @returns {*}
- */
- callback: function(fn, args, thisArg) {
- if (fn && typeof fn.call === 'function') {
- return fn.apply(thisArg, args);
- }
- },
-
- /**
- * Note(SB) for performance sake, this method should only be used when loopable type
- * is unknown or in none intensive code (not called often and small loopable). Else
- * it's preferable to use a regular for() loop and save extra function calls.
- * @param {object|Array} loopable - The object or array to be iterated.
- * @param {function} fn - The function to call for each item.
- * @param {object} [thisArg] - The value of `this` provided for the call to `fn`.
- * @param {boolean} [reverse] - If true, iterates backward on the loopable.
- */
- each: function(loopable, fn, thisArg, reverse) {
- var i, len, keys;
- if (helpers.isArray(loopable)) {
- len = loopable.length;
- if (reverse) {
- for (i = len - 1; i >= 0; i--) {
- fn.call(thisArg, loopable[i], i);
- }
- } else {
- for (i = 0; i < len; i++) {
- fn.call(thisArg, loopable[i], i);
- }
- }
- } else if (helpers.isObject(loopable)) {
- keys = Object.keys(loopable);
- len = keys.length;
- for (i = 0; i < len; i++) {
- fn.call(thisArg, loopable[keys[i]], keys[i]);
- }
- }
- },
-
- /**
- * Returns true if the `a0` and `a1` arrays have the same content, else returns false.
- * @see https://stackoverflow.com/a/14853974
- * @param {Array} a0 - The array to compare
- * @param {Array} a1 - The array to compare
- * @returns {boolean}
- */
- arrayEquals: function(a0, a1) {
- var i, ilen, v0, v1;
-
- if (!a0 || !a1 || a0.length !== a1.length) {
- return false;
- }
-
- for (i = 0, ilen = a0.length; i < ilen; ++i) {
- v0 = a0[i];
- v1 = a1[i];
-
- if (v0 instanceof Array && v1 instanceof Array) {
- if (!helpers.arrayEquals(v0, v1)) {
- return false;
- }
- } else if (v0 !== v1) {
- // NOTE: two different object instances will never be equal: {x:20} != {x:20}
- return false;
- }
- }
-
- return true;
- },
-
- /**
- * Returns a deep copy of `source` without keeping references on objects and arrays.
- * @param {*} source - The value to clone.
- * @returns {*}
- */
- clone: function(source) {
- if (helpers.isArray(source)) {
- return source.map(helpers.clone);
- }
-
- if (helpers.isObject(source)) {
- var target = {};
- var keys = Object.keys(source);
- var klen = keys.length;
- var k = 0;
-
- for (; k < klen; ++k) {
- target[keys[k]] = helpers.clone(source[keys[k]]);
- }
-
- return target;
- }
-
- return source;
- },
-
- /**
- * The default merger when Chart.helpers.merge is called without merger option.
- * Note(SB): also used by mergeConfig and mergeScaleConfig as fallback.
- * @private
- */
- _merger: function(key, target, source, options) {
- var tval = target[key];
- var sval = source[key];
-
- if (helpers.isObject(tval) && helpers.isObject(sval)) {
- helpers.merge(tval, sval, options);
- } else {
- target[key] = helpers.clone(sval);
- }
- },
-
- /**
- * Merges source[key] in target[key] only if target[key] is undefined.
- * @private
- */
- _mergerIf: function(key, target, source) {
- var tval = target[key];
- var sval = source[key];
-
- if (helpers.isObject(tval) && helpers.isObject(sval)) {
- helpers.mergeIf(tval, sval);
- } else if (!target.hasOwnProperty(key)) {
- target[key] = helpers.clone(sval);
- }
- },
-
- /**
- * Recursively deep copies `source` properties into `target` with the given `options`.
- * IMPORTANT: `target` is not cloned and will be updated with `source` properties.
- * @param {object} target - The target object in which all sources are merged into.
- * @param {object|object[]} source - Object(s) to merge into `target`.
- * @param {object} [options] - Merging options:
- * @param {function} [options.merger] - The merge method (key, target, source, options)
- * @returns {object} The `target` object.
- */
- merge: function(target, source, options) {
- var sources = helpers.isArray(source) ? source : [source];
- var ilen = sources.length;
- var merge, i, keys, klen, k;
-
- if (!helpers.isObject(target)) {
- return target;
- }
-
- options = options || {};
- merge = options.merger || helpers._merger;
-
- for (i = 0; i < ilen; ++i) {
- source = sources[i];
- if (!helpers.isObject(source)) {
- continue;
- }
-
- keys = Object.keys(source);
- for (k = 0, klen = keys.length; k < klen; ++k) {
- merge(keys[k], target, source, options);
- }
- }
-
- return target;
- },
-
- /**
- * Recursively deep copies `source` properties into `target` *only* if not defined in target.
- * IMPORTANT: `target` is not cloned and will be updated with `source` properties.
- * @param {object} target - The target object in which all sources are merged into.
- * @param {object|object[]} source - Object(s) to merge into `target`.
- * @returns {object} The `target` object.
- */
- mergeIf: function(target, source) {
- return helpers.merge(target, source, {merger: helpers._mergerIf});
- },
-
- /**
- * Applies the contents of two or more objects together into the first object.
- * @param {object} target - The target object in which all objects are merged into.
- * @param {object} arg1 - Object containing additional properties to merge in target.
- * @param {object} argN - Additional objects containing properties to merge in target.
- * @returns {object} The `target` object.
- */
- extend: Object.assign || function(target) {
- return helpers.merge(target, [].slice.call(arguments, 1), {
- merger: function(key, dst, src) {
- dst[key] = src[key];
- }
- });
- },
-
- /**
- * Basic javascript inheritance based on the model created in Backbone.js
- */
- inherits: function(extensions) {
- var me = this;
- var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() {
- return me.apply(this, arguments);
- };
-
- var Surrogate = function() {
- this.constructor = ChartElement;
- };
-
- Surrogate.prototype = me.prototype;
- ChartElement.prototype = new Surrogate();
- ChartElement.extend = helpers.inherits;
-
- if (extensions) {
- helpers.extend(ChartElement.prototype, extensions);
- }
-
- ChartElement.__super__ = me.prototype;
- return ChartElement;
- },
-
- _deprecated: function(scope, value, previous, current) {
- if (value !== undefined) {
- console.warn(scope + ': "' + previous +
- '" is deprecated. Please use "' + current + '" instead');
- }
- }
- };
-
- var helpers_core = helpers;
-
- // DEPRECATIONS
-
- /**
- * Provided for backward compatibility, use Chart.helpers.callback instead.
- * @function Chart.helpers.callCallback
- * @deprecated since version 2.6.0
- * @todo remove at version 3
- * @private
- */
- helpers.callCallback = helpers.callback;
-
- /**
- * Provided for backward compatibility, use Array.prototype.indexOf instead.
- * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+
- * @function Chart.helpers.indexOf
- * @deprecated since version 2.7.0
- * @todo remove at version 3
- * @private
- */
- helpers.indexOf = function(array, item, fromIndex) {
- return Array.prototype.indexOf.call(array, item, fromIndex);
- };
-
- /**
- * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead.
- * @function Chart.helpers.getValueOrDefault
- * @deprecated since version 2.7.0
- * @todo remove at version 3
- * @private
- */
- helpers.getValueOrDefault = helpers.valueOrDefault;
-
- /**
- * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead.
- * @function Chart.helpers.getValueAtIndexOrDefault
- * @deprecated since version 2.7.0
- * @todo remove at version 3
- * @private
- */
- helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault;
-
- /**
- * Easing functions adapted from Robert Penner's easing equations.
- * @namespace Chart.helpers.easingEffects
- * @see http://www.robertpenner.com/easing/
- */
- var effects = {
- linear: function(t) {
- return t;
- },
-
- easeInQuad: function(t) {
- return t * t;
- },
-
- easeOutQuad: function(t) {
- return -t * (t - 2);
- },
-
- easeInOutQuad: function(t) {
- if ((t /= 0.5) < 1) {
- return 0.5 * t * t;
- }
- return -0.5 * ((--t) * (t - 2) - 1);
- },
-
- easeInCubic: function(t) {
- return t * t * t;
- },
-
- easeOutCubic: function(t) {
- return (t = t - 1) * t * t + 1;
- },
-
- easeInOutCubic: function(t) {
- if ((t /= 0.5) < 1) {
- return 0.5 * t * t * t;
- }
- return 0.5 * ((t -= 2) * t * t + 2);
- },
-
- easeInQuart: function(t) {
- return t * t * t * t;
- },
-
- easeOutQuart: function(t) {
- return -((t = t - 1) * t * t * t - 1);
- },
-
- easeInOutQuart: function(t) {
- if ((t /= 0.5) < 1) {
- return 0.5 * t * t * t * t;
- }
- return -0.5 * ((t -= 2) * t * t * t - 2);
- },
-
- easeInQuint: function(t) {
- return t * t * t * t * t;
- },
-
- easeOutQuint: function(t) {
- return (t = t - 1) * t * t * t * t + 1;
- },
-
- easeInOutQuint: function(t) {
- if ((t /= 0.5) < 1) {
- return 0.5 * t * t * t * t * t;
- }
- return 0.5 * ((t -= 2) * t * t * t * t + 2);
- },
-
- easeInSine: function(t) {
- return -Math.cos(t * (Math.PI / 2)) + 1;
- },
-
- easeOutSine: function(t) {
- return Math.sin(t * (Math.PI / 2));
- },
-
- easeInOutSine: function(t) {
- return -0.5 * (Math.cos(Math.PI * t) - 1);
- },
-
- easeInExpo: function(t) {
- return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1));
- },
-
- easeOutExpo: function(t) {
- return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1;
- },
-
- easeInOutExpo: function(t) {
- if (t === 0) {
- return 0;
- }
- if (t === 1) {
- return 1;
- }
- if ((t /= 0.5) < 1) {
- return 0.5 * Math.pow(2, 10 * (t - 1));
- }
- return 0.5 * (-Math.pow(2, -10 * --t) + 2);
- },
-
- easeInCirc: function(t) {
- if (t >= 1) {
- return t;
- }
- return -(Math.sqrt(1 - t * t) - 1);
- },
-
- easeOutCirc: function(t) {
- return Math.sqrt(1 - (t = t - 1) * t);
- },
-
- easeInOutCirc: function(t) {
- if ((t /= 0.5) < 1) {
- return -0.5 * (Math.sqrt(1 - t * t) - 1);
- }
- return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);
- },
-
- easeInElastic: function(t) {
- var s = 1.70158;
- var p = 0;
- var a = 1;
- if (t === 0) {
- return 0;
- }
- if (t === 1) {
- return 1;
- }
- if (!p) {
- p = 0.3;
- }
- if (a < 1) {
- a = 1;
- s = p / 4;
- } else {
- s = p / (2 * Math.PI) * Math.asin(1 / a);
- }
- return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));
- },
-
- easeOutElastic: function(t) {
- var s = 1.70158;
- var p = 0;
- var a = 1;
- if (t === 0) {
- return 0;
- }
- if (t === 1) {
- return 1;
- }
- if (!p) {
- p = 0.3;
- }
- if (a < 1) {
- a = 1;
- s = p / 4;
- } else {
- s = p / (2 * Math.PI) * Math.asin(1 / a);
- }
- return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1;
- },
-
- easeInOutElastic: function(t) {
- var s = 1.70158;
- var p = 0;
- var a = 1;
- if (t === 0) {
- return 0;
- }
- if ((t /= 0.5) === 2) {
- return 1;
- }
- if (!p) {
- p = 0.45;
- }
- if (a < 1) {
- a = 1;
- s = p / 4;
- } else {
- s = p / (2 * Math.PI) * Math.asin(1 / a);
- }
- if (t < 1) {
- return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));
- }
- return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1;
- },
- easeInBack: function(t) {
- var s = 1.70158;
- return t * t * ((s + 1) * t - s);
- },
-
- easeOutBack: function(t) {
- var s = 1.70158;
- return (t = t - 1) * t * ((s + 1) * t + s) + 1;
- },
-
- easeInOutBack: function(t) {
- var s = 1.70158;
- if ((t /= 0.5) < 1) {
- return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));
- }
- return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);
- },
-
- easeInBounce: function(t) {
- return 1 - effects.easeOutBounce(1 - t);
- },
-
- easeOutBounce: function(t) {
- if (t < (1 / 2.75)) {
- return 7.5625 * t * t;
- }
- if (t < (2 / 2.75)) {
- return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75;
- }
- if (t < (2.5 / 2.75)) {
- return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375;
- }
- return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375;
- },
-
- easeInOutBounce: function(t) {
- if (t < 0.5) {
- return effects.easeInBounce(t * 2) * 0.5;
- }
- return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;
- }
- };
-
- var helpers_easing = {
- effects: effects
- };
-
- // DEPRECATIONS
-
- /**
- * Provided for backward compatibility, use Chart.helpers.easing.effects instead.
- * @function Chart.helpers.easingEffects
- * @deprecated since version 2.7.0
- * @todo remove at version 3
- * @private
- */
- helpers_core.easingEffects = effects;
-
- var PI = Math.PI;
- var RAD_PER_DEG = PI / 180;
- var DOUBLE_PI = PI * 2;
- var HALF_PI = PI / 2;
- var QUARTER_PI = PI / 4;
- var TWO_THIRDS_PI = PI * 2 / 3;
-
- /**
- * @namespace Chart.helpers.canvas
- */
- var exports$1 = {
- /**
- * Clears the entire canvas associated to the given `chart`.
- * @param {Chart} chart - The chart for which to clear the canvas.
- */
- clear: function(chart) {
- chart.ctx.clearRect(0, 0, chart.width, chart.height);
- },
-
- /**
- * Creates a "path" for a rectangle with rounded corners at position (x, y) with a
- * given size (width, height) and the same `radius` for all corners.
- * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context.
- * @param {number} x - The x axis of the coordinate for the rectangle starting point.
- * @param {number} y - The y axis of the coordinate for the rectangle starting point.
- * @param {number} width - The rectangle's width.
- * @param {number} height - The rectangle's height.
- * @param {number} radius - The rounded amount (in pixels) for the four corners.
- * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object?
- */
- roundedRect: function(ctx, x, y, width, height, radius) {
- if (radius) {
- var r = Math.min(radius, height / 2, width / 2);
- var left = x + r;
- var top = y + r;
- var right = x + width - r;
- var bottom = y + height - r;
-
- ctx.moveTo(x, top);
- if (left < right && top < bottom) {
- ctx.arc(left, top, r, -PI, -HALF_PI);
- ctx.arc(right, top, r, -HALF_PI, 0);
- ctx.arc(right, bottom, r, 0, HALF_PI);
- ctx.arc(left, bottom, r, HALF_PI, PI);
- } else if (left < right) {
- ctx.moveTo(left, y);
- ctx.arc(right, top, r, -HALF_PI, HALF_PI);
- ctx.arc(left, top, r, HALF_PI, PI + HALF_PI);
- } else if (top < bottom) {
- ctx.arc(left, top, r, -PI, 0);
- ctx.arc(left, bottom, r, 0, PI);
- } else {
- ctx.arc(left, top, r, -PI, PI);
- }
- ctx.closePath();
- ctx.moveTo(x, y);
- } else {
- ctx.rect(x, y, width, height);
- }
- },
-
- drawPoint: function(ctx, style, radius, x, y, rotation) {
- var type, xOffset, yOffset, size, cornerRadius;
- var rad = (rotation || 0) * RAD_PER_DEG;
-
- if (style && typeof style === 'object') {
- type = style.toString();
- if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {
- ctx.save();
- ctx.translate(x, y);
- ctx.rotate(rad);
- ctx.drawImage(style, -style.width / 2, -style.height / 2, style.width, style.height);
- ctx.restore();
- return;
- }
- }
-
- if (isNaN(radius) || radius <= 0) {
- return;
- }
-
- ctx.beginPath();
-
- switch (style) {
- // Default includes circle
- default:
- ctx.arc(x, y, radius, 0, DOUBLE_PI);
- ctx.closePath();
- break;
- case 'triangle':
- ctx.moveTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
- rad += TWO_THIRDS_PI;
- ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
- rad += TWO_THIRDS_PI;
- ctx.lineTo(x + Math.sin(rad) * radius, y - Math.cos(rad) * radius);
- ctx.closePath();
- break;
- case 'rectRounded':
- // NOTE: the rounded rect implementation changed to use `arc` instead of
- // `quadraticCurveTo` since it generates better results when rect is
- // almost a circle. 0.516 (instead of 0.5) produces results with visually
- // closer proportion to the previous impl and it is inscribed in the
- // circle with `radius`. For more details, see the following PRs:
- // https://github.com/chartjs/Chart.js/issues/5597
- // https://github.com/chartjs/Chart.js/issues/5858
- cornerRadius = radius * 0.516;
- size = radius - cornerRadius;
- xOffset = Math.cos(rad + QUARTER_PI) * size;
- yOffset = Math.sin(rad + QUARTER_PI) * size;
- ctx.arc(x - xOffset, y - yOffset, cornerRadius, rad - PI, rad - HALF_PI);
- ctx.arc(x + yOffset, y - xOffset, cornerRadius, rad - HALF_PI, rad);
- ctx.arc(x + xOffset, y + yOffset, cornerRadius, rad, rad + HALF_PI);
- ctx.arc(x - yOffset, y + xOffset, cornerRadius, rad + HALF_PI, rad + PI);
- ctx.closePath();
- break;
- case 'rect':
- if (!rotation) {
- size = Math.SQRT1_2 * radius;
- ctx.rect(x - size, y - size, 2 * size, 2 * size);
- break;
- }
- rad += QUARTER_PI;
- /* falls through */
- case 'rectRot':
- xOffset = Math.cos(rad) * radius;
- yOffset = Math.sin(rad) * radius;
- ctx.moveTo(x - xOffset, y - yOffset);
- ctx.lineTo(x + yOffset, y - xOffset);
- ctx.lineTo(x + xOffset, y + yOffset);
- ctx.lineTo(x - yOffset, y + xOffset);
- ctx.closePath();
- break;
- case 'crossRot':
- rad += QUARTER_PI;
- /* falls through */
- case 'cross':
- xOffset = Math.cos(rad) * radius;
- yOffset = Math.sin(rad) * radius;
- ctx.moveTo(x - xOffset, y - yOffset);
- ctx.lineTo(x + xOffset, y + yOffset);
- ctx.moveTo(x + yOffset, y - xOffset);
- ctx.lineTo(x - yOffset, y + xOffset);
- break;
- case 'star':
- xOffset = Math.cos(rad) * radius;
- yOffset = Math.sin(rad) * radius;
- ctx.moveTo(x - xOffset, y - yOffset);
- ctx.lineTo(x + xOffset, y + yOffset);
- ctx.moveTo(x + yOffset, y - xOffset);
- ctx.lineTo(x - yOffset, y + xOffset);
- rad += QUARTER_PI;
- xOffset = Math.cos(rad) * radius;
- yOffset = Math.sin(rad) * radius;
- ctx.moveTo(x - xOffset, y - yOffset);
- ctx.lineTo(x + xOffset, y + yOffset);
- ctx.moveTo(x + yOffset, y - xOffset);
- ctx.lineTo(x - yOffset, y + xOffset);
- break;
- case 'line':
- xOffset = Math.cos(rad) * radius;
- yOffset = Math.sin(rad) * radius;
- ctx.moveTo(x - xOffset, y - yOffset);
- ctx.lineTo(x + xOffset, y + yOffset);
- break;
- case 'dash':
- ctx.moveTo(x, y);
- ctx.lineTo(x + Math.cos(rad) * radius, y + Math.sin(rad) * radius);
- break;
- }
-
- ctx.fill();
- ctx.stroke();
- },
-
- /**
- * Returns true if the point is inside the rectangle
- * @param {object} point - The point to test
- * @param {object} area - The rectangle
- * @returns {boolean}
- * @private
- */
- _isPointInArea: function(point, area) {
- var epsilon = 1e-6; // 1e-6 is margin in pixels for accumulated error.
-
- return point.x > area.left - epsilon && point.x < area.right + epsilon &&
- point.y > area.top - epsilon && point.y < area.bottom + epsilon;
- },
-
- clipArea: function(ctx, area) {
- ctx.save();
- ctx.beginPath();
- ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);
- ctx.clip();
- },
-
- unclipArea: function(ctx) {
- ctx.restore();
- },
-
- lineTo: function(ctx, previous, target, flip) {
- var stepped = target.steppedLine;
- if (stepped) {
- if (stepped === 'middle') {
- var midpoint = (previous.x + target.x) / 2.0;
- ctx.lineTo(midpoint, flip ? target.y : previous.y);
- ctx.lineTo(midpoint, flip ? previous.y : target.y);
- } else if ((stepped === 'after' && !flip) || (stepped !== 'after' && flip)) {
- ctx.lineTo(previous.x, target.y);
- } else {
- ctx.lineTo(target.x, previous.y);
- }
- ctx.lineTo(target.x, target.y);
- return;
- }
-
- if (!target.tension) {
- ctx.lineTo(target.x, target.y);
- return;
- }
-
- ctx.bezierCurveTo(
- flip ? previous.controlPointPreviousX : previous.controlPointNextX,
- flip ? previous.controlPointPreviousY : previous.controlPointNextY,
- flip ? target.controlPointNextX : target.controlPointPreviousX,
- flip ? target.controlPointNextY : target.controlPointPreviousY,
- target.x,
- target.y);
- }
- };
-
- var helpers_canvas = exports$1;
-
- // DEPRECATIONS
-
- /**
- * Provided for backward compatibility, use Chart.helpers.canvas.clear instead.
- * @namespace Chart.helpers.clear
- * @deprecated since version 2.7.0
- * @todo remove at version 3
- * @private
- */
- helpers_core.clear = exports$1.clear;
-
- /**
- * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead.
- * @namespace Chart.helpers.drawRoundedRectangle
- * @deprecated since version 2.7.0
- * @todo remove at version 3
- * @private
- */
- helpers_core.drawRoundedRectangle = function(ctx) {
- ctx.beginPath();
- exports$1.roundedRect.apply(exports$1, arguments);
- };
-
- var defaults = {
- /**
- * @private
- */
- _set: function(scope, values) {
- return helpers_core.merge(this[scope] || (this[scope] = {}), values);
- }
- };
-
- // TODO(v3): remove 'global' from namespace. all default are global and
- // there's inconsistency around which options are under 'global'
- defaults._set('global', {
- defaultColor: 'rgba(0,0,0,0.1)',
- defaultFontColor: '#666',
- defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
- defaultFontSize: 12,
- defaultFontStyle: 'normal',
- defaultLineHeight: 1.2,
- showLines: true
- });
-
- var core_defaults = defaults;
-
- var valueOrDefault = helpers_core.valueOrDefault;
-
- /**
- * Converts the given font object into a CSS font string.
- * @param {object} font - A font object.
- * @return {string} The CSS font string. See https://developer.mozilla.org/en-US/docs/Web/CSS/font
- * @private
- */
- function toFontString(font) {
- if (!font || helpers_core.isNullOrUndef(font.size) || helpers_core.isNullOrUndef(font.family)) {
- return null;
- }
-
- return (font.style ? font.style + ' ' : '')
- + (font.weight ? font.weight + ' ' : '')
- + font.size + 'px '
- + font.family;
- }
-
- /**
- * @alias Chart.helpers.options
- * @namespace
- */
- var helpers_options = {
- /**
- * Converts the given line height `value` in pixels for a specific font `size`.
- * @param {number|string} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em').
- * @param {number} size - The font size (in pixels) used to resolve relative `value`.
- * @returns {number} The effective line height in pixels (size * 1.2 if value is invalid).
- * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height
- * @since 2.7.0
- */
- toLineHeight: function(value, size) {
- var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/);
- if (!matches || matches[1] === 'normal') {
- return size * 1.2;
- }
-
- value = +matches[2];
-
- switch (matches[3]) {
- case 'px':
- return value;
- case '%':
- value /= 100;
- break;
- }
-
- return size * value;
- },
-
- /**
- * Converts the given value into a padding object with pre-computed width/height.
- * @param {number|object} value - If a number, set the value to all TRBL component,
- * else, if and object, use defined properties and sets undefined ones to 0.
- * @returns {object} The padding values (top, right, bottom, left, width, height)
- * @since 2.7.0
- */
- toPadding: function(value) {
- var t, r, b, l;
-
- if (helpers_core.isObject(value)) {
- t = +value.top || 0;
- r = +value.right || 0;
- b = +value.bottom || 0;
- l = +value.left || 0;
- } else {
- t = r = b = l = +value || 0;
- }
-
- return {
- top: t,
- right: r,
- bottom: b,
- left: l,
- height: t + b,
- width: l + r
- };
- },
-
- /**
- * Parses font options and returns the font object.
- * @param {object} options - A object that contains font options to be parsed.
- * @return {object} The font object.
- * @todo Support font.* options and renamed to toFont().
- * @private
- */
- _parseFont: function(options) {
- var globalDefaults = core_defaults.global;
- var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize);
- var font = {
- family: valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily),
- lineHeight: helpers_core.options.toLineHeight(valueOrDefault(options.lineHeight, globalDefaults.defaultLineHeight), size),
- size: size,
- style: valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle),
- weight: null,
- string: ''
- };
-
- font.string = toFontString(font);
- return font;
- },
-
- /**
- * Evaluates the given `inputs` sequentially and returns the first defined value.
- * @param {Array} inputs - An array of values, falling back to the last value.
- * @param {object} [context] - If defined and the current value is a function, the value
- * is called with `context` as first argument and the result becomes the new input.
- * @param {number} [index] - If defined and the current value is an array, the value
- * at `index` become the new input.
- * @param {object} [info] - object to return information about resolution in
- * @param {boolean} [info.cacheable] - Will be set to `false` if option is not cacheable.
- * @since 2.7.0
- */
- resolve: function(inputs, context, index, info) {
- var cacheable = true;
- var i, ilen, value;
-
- for (i = 0, ilen = inputs.length; i < ilen; ++i) {
- value = inputs[i];
- if (value === undefined) {
- continue;
- }
- if (context !== undefined && typeof value === 'function') {
- value = value(context);
- cacheable = false;
- }
- if (index !== undefined && helpers_core.isArray(value)) {
- value = value[index];
- cacheable = false;
- }
- if (value !== undefined) {
- if (info && !cacheable) {
- info.cacheable = false;
- }
- return value;
- }
- }
- }
- };
-
- /**
- * @alias Chart.helpers.math
- * @namespace
- */
- var exports$2 = {
- /**
- * Returns an array of factors sorted from 1 to sqrt(value)
- * @private
- */
- _factorize: function(value) {
- var result = [];
- var sqrt = Math.sqrt(value);
- var i;
-
- for (i = 1; i < sqrt; i++) {
- if (value % i === 0) {
- result.push(i);
- result.push(value / i);
- }
- }
- if (sqrt === (sqrt | 0)) { // if value is a square number
- result.push(sqrt);
- }
-
- result.sort(function(a, b) {
- return a - b;
- }).pop();
- return result;
- },
-
- log10: Math.log10 || function(x) {
- var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10.
- // Check for whole powers of 10,
- // which due to floating point rounding error should be corrected.
- var powerOf10 = Math.round(exponent);
- var isPowerOf10 = x === Math.pow(10, powerOf10);
-
- return isPowerOf10 ? powerOf10 : exponent;
- }
- };
-
- var helpers_math = exports$2;
-
- // DEPRECATIONS
-
- /**
- * Provided for backward compatibility, use Chart.helpers.math.log10 instead.
- * @namespace Chart.helpers.log10
- * @deprecated since version 2.9.0
- * @todo remove at version 3
- * @private
- */
- helpers_core.log10 = exports$2.log10;
-
- var getRtlAdapter = function(rectX, width) {
- return {
- x: function(x) {
- return rectX + rectX + width - x;
- },
- setWidth: function(w) {
- width = w;
- },
- textAlign: function(align) {
- if (align === 'center') {
- return align;
- }
- return align === 'right' ? 'left' : 'right';
- },
- xPlus: function(x, value) {
- return x - value;
- },
- leftForLtr: function(x, itemWidth) {
- return x - itemWidth;
- },
- };
- };
-
- var getLtrAdapter = function() {
- return {
- x: function(x) {
- return x;
- },
- setWidth: function(w) { // eslint-disable-line no-unused-vars
- },
- textAlign: function(align) {
- return align;
- },
- xPlus: function(x, value) {
- return x + value;
- },
- leftForLtr: function(x, _itemWidth) { // eslint-disable-line no-unused-vars
- return x;
- },
- };
- };
-
- var getAdapter = function(rtl, rectX, width) {
- return rtl ? getRtlAdapter(rectX, width) : getLtrAdapter();
- };
-
- var overrideTextDirection = function(ctx, direction) {
- var style, original;
- if (direction === 'ltr' || direction === 'rtl') {
- style = ctx.canvas.style;
- original = [
- style.getPropertyValue('direction'),
- style.getPropertyPriority('direction'),
- ];
-
- style.setProperty('direction', direction, 'important');
- ctx.prevTextDirection = original;
- }
- };
-
- var restoreTextDirection = function(ctx) {
- var original = ctx.prevTextDirection;
- if (original !== undefined) {
- delete ctx.prevTextDirection;
- ctx.canvas.style.setProperty('direction', original[0], original[1]);
- }
- };
-
- var helpers_rtl = {
- getRtlAdapter: getAdapter,
- overrideTextDirection: overrideTextDirection,
- restoreTextDirection: restoreTextDirection,
- };
-
- var helpers$1 = helpers_core;
- var easing = helpers_easing;
- var canvas = helpers_canvas;
- var options = helpers_options;
- var math = helpers_math;
- var rtl = helpers_rtl;
- helpers$1.easing = easing;
- helpers$1.canvas = canvas;
- helpers$1.options = options;
- helpers$1.math = math;
- helpers$1.rtl = rtl;
-
- function interpolate(start, view, model, ease) {
- var keys = Object.keys(model);
- var i, ilen, key, actual, origin, target, type, c0, c1;
-
- for (i = 0, ilen = keys.length; i < ilen; ++i) {
- key = keys[i];
-
- target = model[key];
-
- // if a value is added to the model after pivot() has been called, the view
- // doesn't contain it, so let's initialize the view to the target value.
- if (!view.hasOwnProperty(key)) {
- view[key] = target;
- }
-
- actual = view[key];
-
- if (actual === target || key[0] === '_') {
- continue;
- }
-
- if (!start.hasOwnProperty(key)) {
- start[key] = actual;
- }
-
- origin = start[key];
-
- type = typeof target;
-
- if (type === typeof origin) {
- if (type === 'string') {
- c0 = chartjsColor(origin);
- if (c0.valid) {
- c1 = chartjsColor(target);
- if (c1.valid) {
- view[key] = c1.mix(c0, ease).rgbString();
- continue;
- }
- }
- } else if (helpers$1.isFinite(origin) && helpers$1.isFinite(target)) {
- view[key] = origin + (target - origin) * ease;
- continue;
- }
- }
-
- view[key] = target;
- }
- }
-
- var Element = function(configuration) {
- helpers$1.extend(this, configuration);
- this.initialize.apply(this, arguments);
- };
-
- helpers$1.extend(Element.prototype, {
- _type: undefined,
-
- initialize: function() {
- this.hidden = false;
- },
-
- pivot: function() {
- var me = this;
- if (!me._view) {
- me._view = helpers$1.extend({}, me._model);
- }
- me._start = {};
- return me;
- },
-
- transition: function(ease) {
- var me = this;
- var model = me._model;
- var start = me._start;
- var view = me._view;
-
- // No animation -> No Transition
- if (!model || ease === 1) {
- me._view = helpers$1.extend({}, model);
- me._start = null;
- return me;
- }
-
- if (!view) {
- view = me._view = {};
- }
-
- if (!start) {
- start = me._start = {};
- }
-
- interpolate(start, view, model, ease);
-
- return me;
- },
-
- tooltipPosition: function() {
- return {
- x: this._model.x,
- y: this._model.y
- };
- },
-
- hasValue: function() {
- return helpers$1.isNumber(this._model.x) && helpers$1.isNumber(this._model.y);
- }
- });
-
- Element.extend = helpers$1.inherits;
-
- var core_element = Element;
-
- var exports$3 = core_element.extend({
- chart: null, // the animation associated chart instance
- currentStep: 0, // the current animation step
- numSteps: 60, // default number of steps
- easing: '', // the easing to use for this animation
- render: null, // render function used by the animation service
-
- onAnimationProgress: null, // user specified callback to fire on each step of the animation
- onAnimationComplete: null, // user specified callback to fire when the animation finishes
- });
-
- var core_animation = exports$3;
-
- // DEPRECATIONS
-
- /**
- * Provided for backward compatibility, use Chart.Animation instead
- * @prop Chart.Animation#animationObject
- * @deprecated since version 2.6.0
- * @todo remove at version 3
- */
- Object.defineProperty(exports$3.prototype, 'animationObject', {
- get: function() {
- return this;
- }
- });
-
- /**
- * Provided for backward compatibility, use Chart.Animation#chart instead
- * @prop Chart.Animation#chartInstance
- * @deprecated since version 2.6.0
- * @todo remove at version 3
- */
- Object.defineProperty(exports$3.prototype, 'chartInstance', {
- get: function() {
- return this.chart;
- },
- set: function(value) {
- this.chart = value;
- }
- });
-
- core_defaults._set('global', {
- animation: {
- duration: 1000,
- easing: 'easeOutQuart',
- onProgress: helpers$1.noop,
- onComplete: helpers$1.noop
- }
- });
-
- var core_animations = {
- animations: [],
- request: null,
-
- /**
- * @param {Chart} chart - The chart to animate.
- * @param {Chart.Animation} animation - The animation that we will animate.
- * @param {number} duration - The animation duration in ms.
- * @param {boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions
- */
- addAnimation: function(chart, animation, duration, lazy) {
- var animations = this.animations;
- var i, ilen;
-
- animation.chart = chart;
- animation.startTime = Date.now();
- animation.duration = duration;
-
- if (!lazy) {
- chart.animating = true;
- }
-
- for (i = 0, ilen = animations.length; i < ilen; ++i) {
- if (animations[i].chart === chart) {
- animations[i] = animation;
- return;
- }
- }
-
- animations.push(animation);
-
- // If there are no animations queued, manually kickstart a digest, for lack of a better word
- if (animations.length === 1) {
- this.requestAnimationFrame();
- }
- },
-
- cancelAnimation: function(chart) {
- var index = helpers$1.findIndex(this.animations, function(animation) {
- return animation.chart === chart;
- });
-
- if (index !== -1) {
- this.animations.splice(index, 1);
- chart.animating = false;
- }
- },
-
- requestAnimationFrame: function() {
- var me = this;
- if (me.request === null) {
- // Skip animation frame requests until the active one is executed.
- // This can happen when processing mouse events, e.g. 'mousemove'
- // and 'mouseout' events will trigger multiple renders.
- me.request = helpers$1.requestAnimFrame.call(window, function() {
- me.request = null;
- me.startDigest();
- });
- }
- },
-
- /**
- * @private
- */
- startDigest: function() {
- var me = this;
-
- me.advance();
-
- // Do we have more stuff to animate?
- if (me.animations.length > 0) {
- me.requestAnimationFrame();
- }
- },
-
- /**
- * @private
- */
- advance: function() {
- var animations = this.animations;
- var animation, chart, numSteps, nextStep;
- var i = 0;
-
- // 1 animation per chart, so we are looping charts here
- while (i < animations.length) {
- animation = animations[i];
- chart = animation.chart;
- numSteps = animation.numSteps;
-
- // Make sure that currentStep starts at 1
- // https://github.com/chartjs/Chart.js/issues/6104
- nextStep = Math.floor((Date.now() - animation.startTime) / animation.duration * numSteps) + 1;
- animation.currentStep = Math.min(nextStep, numSteps);
-
- helpers$1.callback(animation.render, [chart, animation], chart);
- helpers$1.callback(animation.onAnimationProgress, [animation], chart);
-
- if (animation.currentStep >= numSteps) {
- helpers$1.callback(animation.onAnimationComplete, [animation], chart);
- chart.animating = false;
- animations.splice(i, 1);
- } else {
- ++i;
- }
- }
- }
- };
-
- var resolve = helpers$1.options.resolve;
-
- var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];
-
- /**
- * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice',
- * 'unshift') and notify the listener AFTER the array has been altered. Listeners are
- * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments.
- */
- function listenArrayEvents(array, listener) {
- if (array._chartjs) {
- array._chartjs.listeners.push(listener);
- return;
- }
-
- Object.defineProperty(array, '_chartjs', {
- configurable: true,
- enumerable: false,
- value: {
- listeners: [listener]
- }
- });
-
- arrayEvents.forEach(function(key) {
- var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1);
- var base = array[key];
-
- Object.defineProperty(array, key, {
- configurable: true,
- enumerable: false,
- value: function() {
- var args = Array.prototype.slice.call(arguments);
- var res = base.apply(this, args);
-
- helpers$1.each(array._chartjs.listeners, function(object) {
- if (typeof object[method] === 'function') {
- object[method].apply(object, args);
- }
- });
-
- return res;
- }
- });
- });
- }
-
- /**
- * Removes the given array event listener and cleanup extra attached properties (such as
- * the _chartjs stub and overridden methods) if array doesn't have any more listeners.
- */
- function unlistenArrayEvents(array, listener) {
- var stub = array._chartjs;
- if (!stub) {
- return;
- }
-
- var listeners = stub.listeners;
- var index = listeners.indexOf(listener);
- if (index !== -1) {
- listeners.splice(index, 1);
- }
-
- if (listeners.length > 0) {
- return;
- }
-
- arrayEvents.forEach(function(key) {
- delete array[key];
- });
-
- delete array._chartjs;
- }
-
- // Base class for all dataset controllers (line, bar, etc)
- var DatasetController = function(chart, datasetIndex) {
- this.initialize(chart, datasetIndex);
- };
-
- helpers$1.extend(DatasetController.prototype, {
-
- /**
- * Element type used to generate a meta dataset (e.g. Chart.element.Line).
- * @type {Chart.core.element}
- */
- datasetElementType: null,
-
- /**
- * Element type used to generate a meta data (e.g. Chart.element.Point).
- * @type {Chart.core.element}
- */
- dataElementType: null,
-
- /**
- * Dataset element option keys to be resolved in _resolveDatasetElementOptions.
- * A derived controller may override this to resolve controller-specific options.
- * The keys defined here are for backward compatibility for legend styles.
- * @private
- */
- _datasetElementOptions: [
- 'backgroundColor',
- 'borderCapStyle',
- 'borderColor',
- 'borderDash',
- 'borderDashOffset',
- 'borderJoinStyle',
- 'borderWidth'
- ],
-
- /**
- * Data element option keys to be resolved in _resolveDataElementOptions.
- * A derived controller may override this to resolve controller-specific options.
- * The keys defined here are for backward compatibility for legend styles.
- * @private
- */
- _dataElementOptions: [
- 'backgroundColor',
- 'borderColor',
- 'borderWidth',
- 'pointStyle'
- ],
-
- initialize: function(chart, datasetIndex) {
- var me = this;
- me.chart = chart;
- me.index = datasetIndex;
- me.linkScales();
- me.addElements();
- me._type = me.getMeta().type;
- },
-
- updateIndex: function(datasetIndex) {
- this.index = datasetIndex;
- },
-
- linkScales: function() {
- var me = this;
- var meta = me.getMeta();
- var chart = me.chart;
- var scales = chart.scales;
- var dataset = me.getDataset();
- var scalesOpts = chart.options.scales;
-
- if (meta.xAxisID === null || !(meta.xAxisID in scales) || dataset.xAxisID) {
- meta.xAxisID = dataset.xAxisID || scalesOpts.xAxes[0].id;
- }
- if (meta.yAxisID === null || !(meta.yAxisID in scales) || dataset.yAxisID) {
- meta.yAxisID = dataset.yAxisID || scalesOpts.yAxes[0].id;
- }
- },
-
- getDataset: function() {
- return this.chart.data.datasets[this.index];
- },
-
- getMeta: function() {
- return this.chart.getDatasetMeta(this.index);
- },
-
- getScaleForId: function(scaleID) {
- return this.chart.scales[scaleID];
- },
-
- /**
- * @private
- */
- _getValueScaleId: function() {
- return this.getMeta().yAxisID;
- },
-
- /**
- * @private
- */
- _getIndexScaleId: function() {
- return this.getMeta().xAxisID;
- },
-
- /**
- * @private
- */
- _getValueScale: function() {
- return this.getScaleForId(this._getValueScaleId());
- },
-
- /**
- * @private
- */
- _getIndexScale: function() {
- return this.getScaleForId(this._getIndexScaleId());
- },
-
- reset: function() {
- this._update(true);
- },
-
- /**
- * @private
- */
- destroy: function() {
- if (this._data) {
- unlistenArrayEvents(this._data, this);
- }
- },
-
- createMetaDataset: function() {
- var me = this;
- var type = me.datasetElementType;
- return type && new type({
- _chart: me.chart,
- _datasetIndex: me.index
- });
- },
-
- createMetaData: function(index) {
- var me = this;
- var type = me.dataElementType;
- return type && new type({
- _chart: me.chart,
- _datasetIndex: me.index,
- _index: index
- });
- },
-
- addElements: function() {
- var me = this;
- var meta = me.getMeta();
- var data = me.getDataset().data || [];
- var metaData = meta.data;
- var i, ilen;
-
- for (i = 0, ilen = data.length; i < ilen; ++i) {
- metaData[i] = metaData[i] || me.createMetaData(i);
- }
-
- meta.dataset = meta.dataset || me.createMetaDataset();
- },
-
- addElementAndReset: function(index) {
- var element = this.createMetaData(index);
- this.getMeta().data.splice(index, 0, element);
- this.updateElement(element, index, true);
- },
-
- buildOrUpdateElements: function() {
- var me = this;
- var dataset = me.getDataset();
- var data = dataset.data || (dataset.data = []);
-
- // In order to correctly handle data addition/deletion animation (an thus simulate
- // real-time charts), we need to monitor these data modifications and synchronize
- // the internal meta data accordingly.
- if (me._data !== data) {
- if (me._data) {
- // This case happens when the user replaced the data array instance.
- unlistenArrayEvents(me._data, me);
- }
-
- if (data && Object.isExtensible(data)) {
- listenArrayEvents(data, me);
- }
- me._data = data;
- }
-
- // Re-sync meta data in case the user replaced the data array or if we missed
- // any updates and so make sure that we handle number of datapoints changing.
- me.resyncElements();
- },
-
- /**
- * Returns the merged user-supplied and default dataset-level options
- * @private
- */
- _configure: function() {
- var me = this;
- me._config = helpers$1.merge({}, [
- me.chart.options.datasets[me._type],
- me.getDataset(),
- ], {
- merger: function(key, target, source) {
- if (key !== '_meta' && key !== 'data') {
- helpers$1._merger(key, target, source);
- }
- }
- });
- },
-
- _update: function(reset) {
- var me = this;
- me._configure();
- me._cachedDataOpts = null;
- me.update(reset);
- },
-
- update: helpers$1.noop,
-
- transition: function(easingValue) {
- var meta = this.getMeta();
- var elements = meta.data || [];
- var ilen = elements.length;
- var i = 0;
-
- for (; i < ilen; ++i) {
- elements[i].transition(easingValue);
- }
-
- if (meta.dataset) {
- meta.dataset.transition(easingValue);
- }
- },
-
- draw: function() {
- var meta = this.getMeta();
- var elements = meta.data || [];
- var ilen = elements.length;
- var i = 0;
-
- if (meta.dataset) {
- meta.dataset.draw();
- }
-
- for (; i < ilen; ++i) {
- elements[i].draw();
- }
- },
-
- /**
- * Returns a set of predefined style properties that should be used to represent the dataset
- * or the data if the index is specified
- * @param {number} index - data index
- * @return {IStyleInterface} style object
- */
- getStyle: function(index) {
- var me = this;
- var meta = me.getMeta();
- var dataset = meta.dataset;
- var style;
-
- me._configure();
- if (dataset && index === undefined) {
- style = me._resolveDatasetElementOptions(dataset || {});
- } else {
- index = index || 0;
- style = me._resolveDataElementOptions(meta.data[index] || {}, index);
- }
-
- if (style.fill === false || style.fill === null) {
- style.backgroundColor = style.borderColor;
- }
-
- return style;
- },
-
- /**
- * @private
- */
- _resolveDatasetElementOptions: function(element, hover) {
- var me = this;
- var chart = me.chart;
- var datasetOpts = me._config;
- var custom = element.custom || {};
- var options = chart.options.elements[me.datasetElementType.prototype._type] || {};
- var elementOptions = me._datasetElementOptions;
- var values = {};
- var i, ilen, key, readKey;
-
- // Scriptable options
- var context = {
- chart: chart,
- dataset: me.getDataset(),
- datasetIndex: me.index,
- hover: hover
- };
-
- for (i = 0, ilen = elementOptions.length; i < ilen; ++i) {
- key = elementOptions[i];
- readKey = hover ? 'hover' + key.charAt(0).toUpperCase() + key.slice(1) : key;
- values[key] = resolve([
- custom[readKey],
- datasetOpts[readKey],
- options[readKey]
- ], context);
- }
-
- return values;
- },
-
- /**
- * @private
- */
- _resolveDataElementOptions: function(element, index) {
- var me = this;
- var custom = element && element.custom;
- var cached = me._cachedDataOpts;
- if (cached && !custom) {
- return cached;
- }
- var chart = me.chart;
- var datasetOpts = me._config;
- var options = chart.options.elements[me.dataElementType.prototype._type] || {};
- var elementOptions = me._dataElementOptions;
- var values = {};
-
- // Scriptable options
- var context = {
- chart: chart,
- dataIndex: index,
- dataset: me.getDataset(),
- datasetIndex: me.index
- };
-
- // `resolve` sets cacheable to `false` if any option is indexed or scripted
- var info = {cacheable: !custom};
-
- var keys, i, ilen, key;
-
- custom = custom || {};
-
- if (helpers$1.isArray(elementOptions)) {
- for (i = 0, ilen = elementOptions.length; i < ilen; ++i) {
- key = elementOptions[i];
- values[key] = resolve([
- custom[key],
- datasetOpts[key],
- options[key]
- ], context, index, info);
- }
- } else {
- keys = Object.keys(elementOptions);
- for (i = 0, ilen = keys.length; i < ilen; ++i) {
- key = keys[i];
- values[key] = resolve([
- custom[key],
- datasetOpts[elementOptions[key]],
- datasetOpts[key],
- options[key]
- ], context, index, info);
- }
- }
-
- if (info.cacheable) {
- me._cachedDataOpts = Object.freeze(values);
- }
-
- return values;
- },
-
- removeHoverStyle: function(element) {
- helpers$1.merge(element._model, element.$previousStyle || {});
- delete element.$previousStyle;
- },
-
- setHoverStyle: function(element) {
- var dataset = this.chart.data.datasets[element._datasetIndex];
- var index = element._index;
- var custom = element.custom || {};
- var model = element._model;
- var getHoverColor = helpers$1.getHoverColor;
-
- element.$previousStyle = {
- backgroundColor: model.backgroundColor,
- borderColor: model.borderColor,
- borderWidth: model.borderWidth
- };
-
- model.backgroundColor = resolve([custom.hoverBackgroundColor, dataset.hoverBackgroundColor, getHoverColor(model.backgroundColor)], undefined, index);
- model.borderColor = resolve([custom.hoverBorderColor, dataset.hoverBorderColor, getHoverColor(model.borderColor)], undefined, index);
- model.borderWidth = resolve([custom.hoverBorderWidth, dataset.hoverBorderWidth, model.borderWidth], undefined, index);
- },
-
- /**
- * @private
- */
- _removeDatasetHoverStyle: function() {
- var element = this.getMeta().dataset;
-
- if (element) {
- this.removeHoverStyle(element);
- }
- },
-
- /**
- * @private
- */
- _setDatasetHoverStyle: function() {
- var element = this.getMeta().dataset;
- var prev = {};
- var i, ilen, key, keys, hoverOptions, model;
-
- if (!element) {
- return;
- }
-
- model = element._model;
- hoverOptions = this._resolveDatasetElementOptions(element, true);
-
- keys = Object.keys(hoverOptions);
- for (i = 0, ilen = keys.length; i < ilen; ++i) {
- key = keys[i];
- prev[key] = model[key];
- model[key] = hoverOptions[key];
- }
-
- element.$previousStyle = prev;
- },
-
- /**
- * @private
- */
- resyncElements: function() {
- var me = this;
- var meta = me.getMeta();
- var data = me.getDataset().data;
- var numMeta = meta.data.length;
- var numData = data.length;
-
- if (numData < numMeta) {
- meta.data.splice(numData, numMeta - numData);
- } else if (numData > numMeta) {
- me.insertElements(numMeta, numData - numMeta);
- }
- },
-
- /**
- * @private
- */
- insertElements: function(start, count) {
- for (var i = 0; i < count; ++i) {
- this.addElementAndReset(start + i);
- }
- },
-
- /**
- * @private
- */
- onDataPush: function() {
- var count = arguments.length;
- this.insertElements(this.getDataset().data.length - count, count);
- },
-
- /**
- * @private
- */
- onDataPop: function() {
- this.getMeta().data.pop();
- },
-
- /**
- * @private
- */
- onDataShift: function() {
- this.getMeta().data.shift();
- },
-
- /**
- * @private
- */
- onDataSplice: function(start, count) {
- this.getMeta().data.splice(start, count);
- this.insertElements(start, arguments.length - 2);
- },
-
- /**
- * @private
- */
- onDataUnshift: function() {
- this.insertElements(0, arguments.length);
- }
- });
-
- DatasetController.extend = helpers$1.inherits;
-
- var core_datasetController = DatasetController;
-
- var TAU = Math.PI * 2;
-
- core_defaults._set('global', {
- elements: {
- arc: {
- backgroundColor: core_defaults.global.defaultColor,
- borderColor: '#fff',
- borderWidth: 2,
- borderAlign: 'center'
- }
- }
- });
-
- function clipArc(ctx, arc) {
- var startAngle = arc.startAngle;
- var endAngle = arc.endAngle;
- var pixelMargin = arc.pixelMargin;
- var angleMargin = pixelMargin / arc.outerRadius;
- var x = arc.x;
- var y = arc.y;
-
- // Draw an inner border by cliping the arc and drawing a double-width border
- // Enlarge the clipping arc by 0.33 pixels to eliminate glitches between borders
- ctx.beginPath();
- ctx.arc(x, y, arc.outerRadius, startAngle - angleMargin, endAngle + angleMargin);
- if (arc.innerRadius > pixelMargin) {
- angleMargin = pixelMargin / arc.innerRadius;
- ctx.arc(x, y, arc.innerRadius - pixelMargin, endAngle + angleMargin, startAngle - angleMargin, true);
- } else {
- ctx.arc(x, y, pixelMargin, endAngle + Math.PI / 2, startAngle - Math.PI / 2);
- }
- ctx.closePath();
- ctx.clip();
- }
-
- function drawFullCircleBorders(ctx, vm, arc, inner) {
- var endAngle = arc.endAngle;
- var i;
-
- if (inner) {
- arc.endAngle = arc.startAngle + TAU;
- clipArc(ctx, arc);
- arc.endAngle = endAngle;
- if (arc.endAngle === arc.startAngle && arc.fullCircles) {
- arc.endAngle += TAU;
- arc.fullCircles--;
- }
- }
-
- ctx.beginPath();
- ctx.arc(arc.x, arc.y, arc.innerRadius, arc.startAngle + TAU, arc.startAngle, true);
- for (i = 0; i < arc.fullCircles; ++i) {
- ctx.stroke();
- }
-
- ctx.beginPath();
- ctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.startAngle + TAU);
- for (i = 0; i < arc.fullCircles; ++i) {
- ctx.stroke();
- }
- }
-
- function drawBorder(ctx, vm, arc) {
- var inner = vm.borderAlign === 'inner';
-
- if (inner) {
- ctx.lineWidth = vm.borderWidth * 2;
- ctx.lineJoin = 'round';
- } else {
- ctx.lineWidth = vm.borderWidth;
- ctx.lineJoin = 'bevel';
- }
-
- if (arc.fullCircles) {
- drawFullCircleBorders(ctx, vm, arc, inner);
- }
-
- if (inner) {
- clipArc(ctx, arc);
- }
-
- ctx.beginPath();
- ctx.arc(arc.x, arc.y, vm.outerRadius, arc.startAngle, arc.endAngle);
- ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);
- ctx.closePath();
- ctx.stroke();
- }
-
- var element_arc = core_element.extend({
- _type: 'arc',
-
- inLabelRange: function(mouseX) {
- var vm = this._view;
-
- if (vm) {
- return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));
- }
- return false;
- },
-
- inRange: function(chartX, chartY) {
- var vm = this._view;
-
- if (vm) {
- var pointRelativePosition = helpers$1.getAngleFromPoint(vm, {x: chartX, y: chartY});
- var angle = pointRelativePosition.angle;
- var distance = pointRelativePosition.distance;
-
- // Sanitise angle range
- var startAngle = vm.startAngle;
- var endAngle = vm.endAngle;
- while (endAngle < startAngle) {
- endAngle += TAU;
- }
- while (angle > endAngle) {
- angle -= TAU;
- }
- while (angle < startAngle) {
- angle += TAU;
- }
-
- // Check if within the range of the open/close angle
- var betweenAngles = (angle >= startAngle && angle <= endAngle);
- var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius);
-
- return (betweenAngles && withinRadius);
- }
- return false;
- },
-
- getCenterPoint: function() {
- var vm = this._view;
- var halfAngle = (vm.startAngle + vm.endAngle) / 2;
- var halfRadius = (vm.innerRadius + vm.outerRadius) / 2;
- return {
- x: vm.x + Math.cos(halfAngle) * halfRadius,
- y: vm.y + Math.sin(halfAngle) * halfRadius
- };
- },
-
- getArea: function() {
- var vm = this._view;
- return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2));
- },
-
- tooltipPosition: function() {
- var vm = this._view;
- var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2);
- var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;
-
- return {
- x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),
- y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)
- };
- },
-
- draw: function() {
- var ctx = this._chart.ctx;
- var vm = this._view;
- var pixelMargin = (vm.borderAlign === 'inner') ? 0.33 : 0;
- var arc = {
- x: vm.x,
- y: vm.y,
- innerRadius: vm.innerRadius,
- outerRadius: Math.max(vm.outerRadius - pixelMargin, 0),
- pixelMargin: pixelMargin,
- startAngle: vm.startAngle,
- endAngle: vm.endAngle,
- fullCircles: Math.floor(vm.circumference / TAU)
- };
- var i;
-
- ctx.save();
-
- ctx.fillStyle = vm.backgroundColor;
- ctx.strokeStyle = vm.borderColor;
-
- if (arc.fullCircles) {
- arc.endAngle = arc.startAngle + TAU;
- ctx.beginPath();
- ctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle);
- ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);
- ctx.closePath();
- for (i = 0; i < arc.fullCircles; ++i) {
- ctx.fill();
- }
- arc.endAngle = arc.startAngle + vm.circumference % TAU;
- }
-
- ctx.beginPath();
- ctx.arc(arc.x, arc.y, arc.outerRadius, arc.startAngle, arc.endAngle);
- ctx.arc(arc.x, arc.y, arc.innerRadius, arc.endAngle, arc.startAngle, true);
- ctx.closePath();
- ctx.fill();
-
- if (vm.borderWidth) {
- drawBorder(ctx, vm, arc);
- }
-
- ctx.restore();
- }
- });
-
- var valueOrDefault$1 = helpers$1.valueOrDefault;
-
- var defaultColor = core_defaults.global.defaultColor;
-
- core_defaults._set('global', {
- elements: {
- line: {
- tension: 0.4,
- backgroundColor: defaultColor,
- borderWidth: 3,
- borderColor: defaultColor,
- borderCapStyle: 'butt',
- borderDash: [],
- borderDashOffset: 0.0,
- borderJoinStyle: 'miter',
- capBezierPoints: true,
- fill: true, // do we fill in the area between the line and its base axis
- }
- }
- });
-
- var element_line = core_element.extend({
- _type: 'line',
-
- draw: function() {
- var me = this;
- var vm = me._view;
- var ctx = me._chart.ctx;
- var spanGaps = vm.spanGaps;
- var points = me._children.slice(); // clone array
- var globalDefaults = core_defaults.global;
- var globalOptionLineElements = globalDefaults.elements.line;
- var lastDrawnIndex = -1;
- var closePath = me._loop;
- var index, previous, currentVM;
-
- if (!points.length) {
- return;
- }
-
- if (me._loop) {
- for (index = 0; index < points.length; ++index) {
- previous = helpers$1.previousItem(points, index);
- // If the line has an open path, shift the point array
- if (!points[index]._view.skip && previous._view.skip) {
- points = points.slice(index).concat(points.slice(0, index));
- closePath = spanGaps;
- break;
- }
- }
- // If the line has a close path, add the first point again
- if (closePath) {
- points.push(points[0]);
- }
- }
-
- ctx.save();
-
- // Stroke Line Options
- ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle;
-
- // IE 9 and 10 do not support line dash
- if (ctx.setLineDash) {
- ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash);
- }
-
- ctx.lineDashOffset = valueOrDefault$1(vm.borderDashOffset, globalOptionLineElements.borderDashOffset);
- ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle;
- ctx.lineWidth = valueOrDefault$1(vm.borderWidth, globalOptionLineElements.borderWidth);
- ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor;
-
- // Stroke Line
- ctx.beginPath();
-
- // First point moves to it's starting position no matter what
- currentVM = points[0]._view;
- if (!currentVM.skip) {
- ctx.moveTo(currentVM.x, currentVM.y);
- lastDrawnIndex = 0;
- }
-
- for (index = 1; index < points.length; ++index) {
- currentVM = points[index]._view;
- previous = lastDrawnIndex === -1 ? helpers$1.previousItem(points, index) : points[lastDrawnIndex];
-
- if (!currentVM.skip) {
- if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) {
- // There was a gap and this is the first point after the gap
- ctx.moveTo(currentVM.x, currentVM.y);
- } else {
- // Line to next point
- helpers$1.canvas.lineTo(ctx, previous._view, currentVM);
- }
- lastDrawnIndex = index;
- }
- }
-
- if (closePath) {
- ctx.closePath();
- }
-
- ctx.stroke();
- ctx.restore();
- }
- });
-
- var valueOrDefault$2 = helpers$1.valueOrDefault;
-
- var defaultColor$1 = core_defaults.global.defaultColor;
-
- core_defaults._set('global', {
- elements: {
- point: {
- radius: 3,
- pointStyle: 'circle',
- backgroundColor: defaultColor$1,
- borderColor: defaultColor$1,
- borderWidth: 1,
- // Hover
- hitRadius: 1,
- hoverRadius: 4,
- hoverBorderWidth: 1
- }
- }
- });
-
- function xRange(mouseX) {
- var vm = this._view;
- return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false;
- }
-
- function yRange(mouseY) {
- var vm = this._view;
- return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false;
- }
-
- var element_point = core_element.extend({
- _type: 'point',
-
- inRange: function(mouseX, mouseY) {
- var vm = this._view;
- return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false;
- },
-
- inLabelRange: xRange,
- inXRange: xRange,
- inYRange: yRange,
-
- getCenterPoint: function() {
- var vm = this._view;
- return {
- x: vm.x,
- y: vm.y
- };
- },
-
- getArea: function() {
- return Math.PI * Math.pow(this._view.radius, 2);
- },
-
- tooltipPosition: function() {
- var vm = this._view;
- return {
- x: vm.x,
- y: vm.y,
- padding: vm.radius + vm.borderWidth
- };
- },
-
- draw: function(chartArea) {
- var vm = this._view;
- var ctx = this._chart.ctx;
- var pointStyle = vm.pointStyle;
- var rotation = vm.rotation;
- var radius = vm.radius;
- var x = vm.x;
- var y = vm.y;
- var globalDefaults = core_defaults.global;
- var defaultColor = globalDefaults.defaultColor; // eslint-disable-line no-shadow
-
- if (vm.skip) {
- return;
- }
-
- // Clipping for Points.
- if (chartArea === undefined || helpers$1.canvas._isPointInArea(vm, chartArea)) {
- ctx.strokeStyle = vm.borderColor || defaultColor;
- ctx.lineWidth = valueOrDefault$2(vm.borderWidth, globalDefaults.elements.point.borderWidth);
- ctx.fillStyle = vm.backgroundColor || defaultColor;
- helpers$1.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation);
- }
- }
- });
-
- var defaultColor$2 = core_defaults.global.defaultColor;
-
- core_defaults._set('global', {
- elements: {
- rectangle: {
- backgroundColor: defaultColor$2,
- borderColor: defaultColor$2,
- borderSkipped: 'bottom',
- borderWidth: 0
- }
- }
- });
-
- function isVertical(vm) {
- return vm && vm.width !== undefined;
- }
-
- /**
- * Helper function to get the bounds of the bar regardless of the orientation
- * @param bar {Chart.Element.Rectangle} the bar
- * @return {Bounds} bounds of the bar
- * @private
- */
- function getBarBounds(vm) {
- var x1, x2, y1, y2, half;
-
- if (isVertical(vm)) {
- half = vm.width / 2;
- x1 = vm.x - half;
- x2 = vm.x + half;
- y1 = Math.min(vm.y, vm.base);
- y2 = Math.max(vm.y, vm.base);
- } else {
- half = vm.height / 2;
- x1 = Math.min(vm.x, vm.base);
- x2 = Math.max(vm.x, vm.base);
- y1 = vm.y - half;
- y2 = vm.y + half;
- }
-
- return {
- left: x1,
- top: y1,
- right: x2,
- bottom: y2
- };
- }
-
- function swap(orig, v1, v2) {
- return orig === v1 ? v2 : orig === v2 ? v1 : orig;
- }
-
- function parseBorderSkipped(vm) {
- var edge = vm.borderSkipped;
- var res = {};
-
- if (!edge) {
- return res;
- }
-
- if (vm.horizontal) {
- if (vm.base > vm.x) {
- edge = swap(edge, 'left', 'right');
- }
- } else if (vm.base < vm.y) {
- edge = swap(edge, 'bottom', 'top');
- }
-
- res[edge] = true;
- return res;
- }
-
- function parseBorderWidth(vm, maxW, maxH) {
- var value = vm.borderWidth;
- var skip = parseBorderSkipped(vm);
- var t, r, b, l;
-
- if (helpers$1.isObject(value)) {
- t = +value.top || 0;
- r = +value.right || 0;
- b = +value.bottom || 0;
- l = +value.left || 0;
- } else {
- t = r = b = l = +value || 0;
- }
-
- return {
- t: skip.top || (t < 0) ? 0 : t > maxH ? maxH : t,
- r: skip.right || (r < 0) ? 0 : r > maxW ? maxW : r,
- b: skip.bottom || (b < 0) ? 0 : b > maxH ? maxH : b,
- l: skip.left || (l < 0) ? 0 : l > maxW ? maxW : l
- };
- }
-
- function boundingRects(vm) {
- var bounds = getBarBounds(vm);
- var width = bounds.right - bounds.left;
- var height = bounds.bottom - bounds.top;
- var border = parseBorderWidth(vm, width / 2, height / 2);
-
- return {
- outer: {
- x: bounds.left,
- y: bounds.top,
- w: width,
- h: height
- },
- inner: {
- x: bounds.left + border.l,
- y: bounds.top + border.t,
- w: width - border.l - border.r,
- h: height - border.t - border.b
- }
- };
- }
-
- function inRange(vm, x, y) {
- var skipX = x === null;
- var skipY = y === null;
- var bounds = !vm || (skipX && skipY) ? false : getBarBounds(vm);
-
- return bounds
- && (skipX || x >= bounds.left && x <= bounds.right)
- && (skipY || y >= bounds.top && y <= bounds.bottom);
- }
-
- var element_rectangle = core_element.extend({
- _type: 'rectangle',
-
- draw: function() {
- var ctx = this._chart.ctx;
- var vm = this._view;
- var rects = boundingRects(vm);
- var outer = rects.outer;
- var inner = rects.inner;
-
- ctx.fillStyle = vm.backgroundColor;
- ctx.fillRect(outer.x, outer.y, outer.w, outer.h);
-
- if (outer.w === inner.w && outer.h === inner.h) {
- return;
- }
-
- ctx.save();
- ctx.beginPath();
- ctx.rect(outer.x, outer.y, outer.w, outer.h);
- ctx.clip();
- ctx.fillStyle = vm.borderColor;
- ctx.rect(inner.x, inner.y, inner.w, inner.h);
- ctx.fill('evenodd');
- ctx.restore();
- },
-
- height: function() {
- var vm = this._view;
- return vm.base - vm.y;
- },
-
- inRange: function(mouseX, mouseY) {
- return inRange(this._view, mouseX, mouseY);
- },
-
- inLabelRange: function(mouseX, mouseY) {
- var vm = this._view;
- return isVertical(vm)
- ? inRange(vm, mouseX, null)
- : inRange(vm, null, mouseY);
- },
-
- inXRange: function(mouseX) {
- return inRange(this._view, mouseX, null);
- },
-
- inYRange: function(mouseY) {
- return inRange(this._view, null, mouseY);
- },
-
- getCenterPoint: function() {
- var vm = this._view;
- var x, y;
- if (isVertical(vm)) {
- x = vm.x;
- y = (vm.y + vm.base) / 2;
- } else {
- x = (vm.x + vm.base) / 2;
- y = vm.y;
- }
-
- return {x: x, y: y};
- },
-
- getArea: function() {
- var vm = this._view;
-
- return isVertical(vm)
- ? vm.width * Math.abs(vm.y - vm.base)
- : vm.height * Math.abs(vm.x - vm.base);
- },
-
- tooltipPosition: function() {
- var vm = this._view;
- return {
- x: vm.x,
- y: vm.y
- };
- }
- });
-
- var elements = {};
- var Arc = element_arc;
- var Line = element_line;
- var Point = element_point;
- var Rectangle = element_rectangle;
- elements.Arc = Arc;
- elements.Line = Line;
- elements.Point = Point;
- elements.Rectangle = Rectangle;
-
- var deprecated = helpers$1._deprecated;
- var valueOrDefault$3 = helpers$1.valueOrDefault;
-
- core_defaults._set('bar', {
- hover: {
- mode: 'label'
- },
-
- scales: {
- xAxes: [{
- type: 'category',
- offset: true,
- gridLines: {
- offsetGridLines: true
- }
- }],
-
- yAxes: [{
- type: 'linear'
- }]
- }
- });
-
- core_defaults._set('global', {
- datasets: {
- bar: {
- categoryPercentage: 0.8,
- barPercentage: 0.9
- }
- }
- });
-
- /**
- * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap.
- * @private
- */
- function computeMinSampleSize(scale, pixels) {
- var min = scale._length;
- var prev, curr, i, ilen;
-
- for (i = 1, ilen = pixels.length; i < ilen; ++i) {
- min = Math.min(min, Math.abs(pixels[i] - pixels[i - 1]));
- }
-
- for (i = 0, ilen = scale.getTicks().length; i < ilen; ++i) {
- curr = scale.getPixelForTick(i);
- min = i > 0 ? Math.min(min, Math.abs(curr - prev)) : min;
- prev = curr;
- }
-
- return min;
- }
-
- /**
- * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null,
- * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This
- * mode currently always generates bars equally sized (until we introduce scriptable options?).
- * @private
- */
- function computeFitCategoryTraits(index, ruler, options) {
- var thickness = options.barThickness;
- var count = ruler.stackCount;
- var curr = ruler.pixels[index];
- var min = helpers$1.isNullOrUndef(thickness)
- ? computeMinSampleSize(ruler.scale, ruler.pixels)
- : -1;
- var size, ratio;
-
- if (helpers$1.isNullOrUndef(thickness)) {
- size = min * options.categoryPercentage;
- ratio = options.barPercentage;
- } else {
- // When bar thickness is enforced, category and bar percentages are ignored.
- // Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%')
- // and deprecate barPercentage since this value is ignored when thickness is absolute.
- size = thickness * count;
- ratio = 1;
- }
-
- return {
- chunk: size / count,
- ratio: ratio,
- start: curr - (size / 2)
- };
- }
-
- /**
- * Computes an "optimal" category that globally arranges bars side by side (no gap when
- * percentage options are 1), based on the previous and following categories. This mode
- * generates bars with different widths when data are not evenly spaced.
- * @private
- */
- function computeFlexCategoryTraits(index, ruler, options) {
- var pixels = ruler.pixels;
- var curr = pixels[index];
- var prev = index > 0 ? pixels[index - 1] : null;
- var next = index < pixels.length - 1 ? pixels[index + 1] : null;
- var percent = options.categoryPercentage;
- var start, size;
-
- if (prev === null) {
- // first data: its size is double based on the next point or,
- // if it's also the last data, we use the scale size.
- prev = curr - (next === null ? ruler.end - ruler.start : next - curr);
- }
-
- if (next === null) {
- // last data: its size is also double based on the previous point.
- next = curr + curr - prev;
- }
-
- start = curr - (curr - Math.min(prev, next)) / 2 * percent;
- size = Math.abs(next - prev) / 2 * percent;
-
- return {
- chunk: size / ruler.stackCount,
- ratio: options.barPercentage,
- start: start
- };
- }
-
- var controller_bar = core_datasetController.extend({
-
- dataElementType: elements.Rectangle,
-
- /**
- * @private
- */
- _dataElementOptions: [
- 'backgroundColor',
- 'borderColor',
- 'borderSkipped',
- 'borderWidth',
- 'barPercentage',
- 'barThickness',
- 'categoryPercentage',
- 'maxBarThickness',
- 'minBarLength'
- ],
-
- initialize: function() {
- var me = this;
- var meta, scaleOpts;
-
- core_datasetController.prototype.initialize.apply(me, arguments);
-
- meta = me.getMeta();
- meta.stack = me.getDataset().stack;
- meta.bar = true;
-
- scaleOpts = me._getIndexScale().options;
- deprecated('bar chart', scaleOpts.barPercentage, 'scales.[x/y]Axes.barPercentage', 'dataset.barPercentage');
- deprecated('bar chart', scaleOpts.barThickness, 'scales.[x/y]Axes.barThickness', 'dataset.barThickness');
- deprecated('bar chart', scaleOpts.categoryPercentage, 'scales.[x/y]Axes.categoryPercentage', 'dataset.categoryPercentage');
- deprecated('bar chart', me._getValueScale().options.minBarLength, 'scales.[x/y]Axes.minBarLength', 'dataset.minBarLength');
- deprecated('bar chart', scaleOpts.maxBarThickness, 'scales.[x/y]Axes.maxBarThickness', 'dataset.maxBarThickness');
- },
-
- update: function(reset) {
- var me = this;
- var rects = me.getMeta().data;
- var i, ilen;
-
- me._ruler = me.getRuler();
-
- for (i = 0, ilen = rects.length; i < ilen; ++i) {
- me.updateElement(rects[i], i, reset);
- }
- },
-
- updateElement: function(rectangle, index, reset) {
- var me = this;
- var meta = me.getMeta();
- var dataset = me.getDataset();
- var options = me._resolveDataElementOptions(rectangle, index);
-
- rectangle._xScale = me.getScaleForId(meta.xAxisID);
- rectangle._yScale = me.getScaleForId(meta.yAxisID);
- rectangle._datasetIndex = me.index;
- rectangle._index = index;
- rectangle._model = {
- backgroundColor: options.backgroundColor,
- borderColor: options.borderColor,
- borderSkipped: options.borderSkipped,
- borderWidth: options.borderWidth,
- datasetLabel: dataset.label,
- label: me.chart.data.labels[index]
- };
-
- if (helpers$1.isArray(dataset.data[index])) {
- rectangle._model.borderSkipped = null;
- }
-
- me._updateElementGeometry(rectangle, index, reset, options);
-
- rectangle.pivot();
- },
-
- /**
- * @private
- */
- _updateElementGeometry: function(rectangle, index, reset, options) {
- var me = this;
- var model = rectangle._model;
- var vscale = me._getValueScale();
- var base = vscale.getBasePixel();
- var horizontal = vscale.isHorizontal();
- var ruler = me._ruler || me.getRuler();
- var vpixels = me.calculateBarValuePixels(me.index, index, options);
- var ipixels = me.calculateBarIndexPixels(me.index, index, ruler, options);
-
- model.horizontal = horizontal;
- model.base = reset ? base : vpixels.base;
- model.x = horizontal ? reset ? base : vpixels.head : ipixels.center;
- model.y = horizontal ? ipixels.center : reset ? base : vpixels.head;
- model.height = horizontal ? ipixels.size : undefined;
- model.width = horizontal ? undefined : ipixels.size;
- },
-
- /**
- * Returns the stacks based on groups and bar visibility.
- * @param {number} [last] - The dataset index
- * @returns {string[]} The list of stack IDs
- * @private
- */
- _getStacks: function(last) {
- var me = this;
- var scale = me._getIndexScale();
- var metasets = scale._getMatchingVisibleMetas(me._type);
- var stacked = scale.options.stacked;
- var ilen = metasets.length;
- var stacks = [];
- var i, meta;
-
- for (i = 0; i < ilen; ++i) {
- meta = metasets[i];
- // stacked | meta.stack
- // | found | not found | undefined
- // false | x | x | x
- // true | | x |
- // undefined | | x | x
- if (stacked === false || stacks.indexOf(meta.stack) === -1 ||
- (stacked === undefined && meta.stack === undefined)) {
- stacks.push(meta.stack);
- }
- if (meta.index === last) {
- break;
- }
- }
-
- return stacks;
- },
-
- /**
- * Returns the effective number of stacks based on groups and bar visibility.
- * @private
- */
- getStackCount: function() {
- return this._getStacks().length;
- },
-
- /**
- * Returns the stack index for the given dataset based on groups and bar visibility.
- * @param {number} [datasetIndex] - The dataset index
- * @param {string} [name] - The stack name to find
- * @returns {number} The stack index
- * @private
- */
- getStackIndex: function(datasetIndex, name) {
- var stacks = this._getStacks(datasetIndex);
- var index = (name !== undefined)
- ? stacks.indexOf(name)
- : -1; // indexOf returns -1 if element is not present
-
- return (index === -1)
- ? stacks.length - 1
- : index;
- },
-
- /**
- * @private
- */
- getRuler: function() {
- var me = this;
- var scale = me._getIndexScale();
- var pixels = [];
- var i, ilen;
-
- for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) {
- pixels.push(scale.getPixelForValue(null, i, me.index));
- }
-
- return {
- pixels: pixels,
- start: scale._startPixel,
- end: scale._endPixel,
- stackCount: me.getStackCount(),
- scale: scale
- };
- },
-
- /**
- * Note: pixel values are not clamped to the scale area.
- * @private
- */
- calculateBarValuePixels: function(datasetIndex, index, options) {
- var me = this;
- var chart = me.chart;
- var scale = me._getValueScale();
- var isHorizontal = scale.isHorizontal();
- var datasets = chart.data.datasets;
- var metasets = scale._getMatchingVisibleMetas(me._type);
- var value = scale._parseValue(datasets[datasetIndex].data[index]);
- var minBarLength = options.minBarLength;
- var stacked = scale.options.stacked;
- var stack = me.getMeta().stack;
- var start = value.start === undefined ? 0 : value.max >= 0 && value.min >= 0 ? value.min : value.max;
- var length = value.start === undefined ? value.end : value.max >= 0 && value.min >= 0 ? value.max - value.min : value.min - value.max;
- var ilen = metasets.length;
- var i, imeta, ivalue, base, head, size, stackLength;
-
- if (stacked || (stacked === undefined && stack !== undefined)) {
- for (i = 0; i < ilen; ++i) {
- imeta = metasets[i];
-
- if (imeta.index === datasetIndex) {
- break;
- }
-
- if (imeta.stack === stack) {
- stackLength = scale._parseValue(datasets[imeta.index].data[index]);
- ivalue = stackLength.start === undefined ? stackLength.end : stackLength.min >= 0 && stackLength.max >= 0 ? stackLength.max : stackLength.min;
-
- if ((value.min < 0 && ivalue < 0) || (value.max >= 0 && ivalue > 0)) {
- start += ivalue;
- }
- }
- }
- }
-
- base = scale.getPixelForValue(start);
- head = scale.getPixelForValue(start + length);
- size = head - base;
-
- if (minBarLength !== undefined && Math.abs(size) < minBarLength) {
- size = minBarLength;
- if (length >= 0 && !isHorizontal || length < 0 && isHorizontal) {
- head = base - minBarLength;
- } else {
- head = base + minBarLength;
- }
- }
-
- return {
- size: size,
- base: base,
- head: head,
- center: head + size / 2
- };
- },
-
- /**
- * @private
- */
- calculateBarIndexPixels: function(datasetIndex, index, ruler, options) {
- var me = this;
- var range = options.barThickness === 'flex'
- ? computeFlexCategoryTraits(index, ruler, options)
- : computeFitCategoryTraits(index, ruler, options);
-
- var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack);
- var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2);
- var size = Math.min(
- valueOrDefault$3(options.maxBarThickness, Infinity),
- range.chunk * range.ratio);
-
- return {
- base: center - size / 2,
- head: center + size / 2,
- center: center,
- size: size
- };
- },
-
- draw: function() {
- var me = this;
- var chart = me.chart;
- var scale = me._getValueScale();
- var rects = me.getMeta().data;
- var dataset = me.getDataset();
- var ilen = rects.length;
- var i = 0;
-
- helpers$1.canvas.clipArea(chart.ctx, chart.chartArea);
-
- for (; i < ilen; ++i) {
- var val = scale._parseValue(dataset.data[i]);
- if (!isNaN(val.min) && !isNaN(val.max)) {
- rects[i].draw();
- }
- }
-
- helpers$1.canvas.unclipArea(chart.ctx);
- },
-
- /**
- * @private
- */
- _resolveDataElementOptions: function() {
- var me = this;
- var values = helpers$1.extend({}, core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments));
- var indexOpts = me._getIndexScale().options;
- var valueOpts = me._getValueScale().options;
-
- values.barPercentage = valueOrDefault$3(indexOpts.barPercentage, values.barPercentage);
- values.barThickness = valueOrDefault$3(indexOpts.barThickness, values.barThickness);
- values.categoryPercentage = valueOrDefault$3(indexOpts.categoryPercentage, values.categoryPercentage);
- values.maxBarThickness = valueOrDefault$3(indexOpts.maxBarThickness, values.maxBarThickness);
- values.minBarLength = valueOrDefault$3(valueOpts.minBarLength, values.minBarLength);
-
- return values;
- }
-
- });
-
- var valueOrDefault$4 = helpers$1.valueOrDefault;
- var resolve$1 = helpers$1.options.resolve;
-
- core_defaults._set('bubble', {
- hover: {
- mode: 'single'
- },
-
- scales: {
- xAxes: [{
- type: 'linear', // bubble should probably use a linear scale by default
- position: 'bottom',
- id: 'x-axis-0' // need an ID so datasets can reference the scale
- }],
- yAxes: [{
- type: 'linear',
- position: 'left',
- id: 'y-axis-0'
- }]
- },
-
- tooltips: {
- callbacks: {
- title: function() {
- // Title doesn't make sense for scatter since we format the data as a point
- return '';
- },
- label: function(item, data) {
- var datasetLabel = data.datasets[item.datasetIndex].label || '';
- var dataPoint = data.datasets[item.datasetIndex].data[item.index];
- return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')';
- }
- }
- }
- });
-
- var controller_bubble = core_datasetController.extend({
- /**
- * @protected
- */
- dataElementType: elements.Point,
-
- /**
- * @private
- */
- _dataElementOptions: [
- 'backgroundColor',
- 'borderColor',
- 'borderWidth',
- 'hoverBackgroundColor',
- 'hoverBorderColor',
- 'hoverBorderWidth',
- 'hoverRadius',
- 'hitRadius',
- 'pointStyle',
- 'rotation'
- ],
-
- /**
- * @protected
- */
- update: function(reset) {
- var me = this;
- var meta = me.getMeta();
- var points = meta.data;
-
- // Update Points
- helpers$1.each(points, function(point, index) {
- me.updateElement(point, index, reset);
- });
- },
-
- /**
- * @protected
- */
- updateElement: function(point, index, reset) {
- var me = this;
- var meta = me.getMeta();
- var custom = point.custom || {};
- var xScale = me.getScaleForId(meta.xAxisID);
- var yScale = me.getScaleForId(meta.yAxisID);
- var options = me._resolveDataElementOptions(point, index);
- var data = me.getDataset().data[index];
- var dsIndex = me.index;
-
- var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex);
- var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex);
-
- point._xScale = xScale;
- point._yScale = yScale;
- point._options = options;
- point._datasetIndex = dsIndex;
- point._index = index;
- point._model = {
- backgroundColor: options.backgroundColor,
- borderColor: options.borderColor,
- borderWidth: options.borderWidth,
- hitRadius: options.hitRadius,
- pointStyle: options.pointStyle,
- rotation: options.rotation,
- radius: reset ? 0 : options.radius,
- skip: custom.skip || isNaN(x) || isNaN(y),
- x: x,
- y: y,
- };
-
- point.pivot();
- },
-
- /**
- * @protected
- */
- setHoverStyle: function(point) {
- var model = point._model;
- var options = point._options;
- var getHoverColor = helpers$1.getHoverColor;
-
- point.$previousStyle = {
- backgroundColor: model.backgroundColor,
- borderColor: model.borderColor,
- borderWidth: model.borderWidth,
- radius: model.radius
- };
-
- model.backgroundColor = valueOrDefault$4(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
- model.borderColor = valueOrDefault$4(options.hoverBorderColor, getHoverColor(options.borderColor));
- model.borderWidth = valueOrDefault$4(options.hoverBorderWidth, options.borderWidth);
- model.radius = options.radius + options.hoverRadius;
- },
-
- /**
- * @private
- */
- _resolveDataElementOptions: function(point, index) {
- var me = this;
- var chart = me.chart;
- var dataset = me.getDataset();
- var custom = point.custom || {};
- var data = dataset.data[index] || {};
- var values = core_datasetController.prototype._resolveDataElementOptions.apply(me, arguments);
-
- // Scriptable options
- var context = {
- chart: chart,
- dataIndex: index,
- dataset: dataset,
- datasetIndex: me.index
- };
-
- // In case values were cached (and thus frozen), we need to clone the values
- if (me._cachedDataOpts === values) {
- values = helpers$1.extend({}, values);
- }
-
- // Custom radius resolution
- values.radius = resolve$1([
- custom.radius,
- data.r,
- me._config.radius,
- chart.options.elements.point.radius
- ], context, index);
-
- return values;
- }
- });
-
- var valueOrDefault$5 = helpers$1.valueOrDefault;
-
- var PI$1 = Math.PI;
- var DOUBLE_PI$1 = PI$1 * 2;
- var HALF_PI$1 = PI$1 / 2;
-
- core_defaults._set('doughnut', {
- animation: {
- // Boolean - Whether we animate the rotation of the Doughnut
- animateRotate: true,
- // Boolean - Whether we animate scaling the Doughnut from the centre
- animateScale: false
- },
- hover: {
- mode: 'single'
- },
- legendCallback: function(chart) {
- var list = document.createElement('ul');
- var data = chart.data;
- var datasets = data.datasets;
- var labels = data.labels;
- var i, ilen, listItem, listItemSpan;
-
- list.setAttribute('class', chart.id + '-legend');
- if (datasets.length) {
- for (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) {
- listItem = list.appendChild(document.createElement('li'));
- listItemSpan = listItem.appendChild(document.createElement('span'));
- listItemSpan.style.backgroundColor = datasets[0].backgroundColor[i];
- if (labels[i]) {
- listItem.appendChild(document.createTextNode(labels[i]));
- }
- }
- }
-
- return list.outerHTML;
- },
- legend: {
- labels: {
- generateLabels: function(chart) {
- var data = chart.data;
- if (data.labels.length && data.datasets.length) {
- return data.labels.map(function(label, i) {
- var meta = chart.getDatasetMeta(0);
- var style = meta.controller.getStyle(i);
-
- return {
- text: label,
- fillStyle: style.backgroundColor,
- strokeStyle: style.borderColor,
- lineWidth: style.borderWidth,
- hidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden,
-
- // Extra data used for toggling the correct item
- index: i
- };
- });
- }
- return [];
- }
- },
-
- onClick: function(e, legendItem) {
- var index = legendItem.index;
- var chart = this.chart;
- var i, ilen, meta;
-
- for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
- meta = chart.getDatasetMeta(i);
- // toggle visibility of index if exists
- if (meta.data[index]) {
- meta.data[index].hidden = !meta.data[index].hidden;
- }
- }
-
- chart.update();
- }
- },
-
- // The percentage of the chart that we cut out of the middle.
- cutoutPercentage: 50,
-
- // The rotation of the chart, where the first data arc begins.
- rotation: -HALF_PI$1,
-
- // The total circumference of the chart.
- circumference: DOUBLE_PI$1,
-
- // Need to override these to give a nice default
- tooltips: {
- callbacks: {
- title: function() {
- return '';
- },
- label: function(tooltipItem, data) {
- var dataLabel = data.labels[tooltipItem.index];
- var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
-
- if (helpers$1.isArray(dataLabel)) {
- // show value on first line of multiline label
- // need to clone because we are changing the value
- dataLabel = dataLabel.slice();
- dataLabel[0] += value;
- } else {
- dataLabel += value;
- }
-
- return dataLabel;
- }
- }
- }
- });
-
- var controller_doughnut = core_datasetController.extend({
-
- dataElementType: elements.Arc,
-
- linkScales: helpers$1.noop,
-
- /**
- * @private
- */
- _dataElementOptions: [
- 'backgroundColor',
- 'borderColor',
- 'borderWidth',
- 'borderAlign',
- 'hoverBackgroundColor',
- 'hoverBorderColor',
- 'hoverBorderWidth',
- ],
-
- // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly
- getRingIndex: function(datasetIndex) {
- var ringIndex = 0;
-
- for (var j = 0; j < datasetIndex; ++j) {
- if (this.chart.isDatasetVisible(j)) {
- ++ringIndex;
- }
- }
-
- return ringIndex;
- },
-
- update: function(reset) {
- var me = this;
- var chart = me.chart;
- var chartArea = chart.chartArea;
- var opts = chart.options;
- var ratioX = 1;
- var ratioY = 1;
- var offsetX = 0;
- var offsetY = 0;
- var meta = me.getMeta();
- var arcs = meta.data;
- var cutout = opts.cutoutPercentage / 100 || 0;
- var circumference = opts.circumference;
- var chartWeight = me._getRingWeight(me.index);
- var maxWidth, maxHeight, i, ilen;
-
- // If the chart's circumference isn't a full circle, calculate size as a ratio of the width/height of the arc
- if (circumference < DOUBLE_PI$1) {
- var startAngle = opts.rotation % DOUBLE_PI$1;
- startAngle += startAngle >= PI$1 ? -DOUBLE_PI$1 : startAngle < -PI$1 ? DOUBLE_PI$1 : 0;
- var endAngle = startAngle + circumference;
- var startX = Math.cos(startAngle);
- var startY = Math.sin(startAngle);
- var endX = Math.cos(endAngle);
- var endY = Math.sin(endAngle);
- var contains0 = (startAngle <= 0 && endAngle >= 0) || endAngle >= DOUBLE_PI$1;
- var contains90 = (startAngle <= HALF_PI$1 && endAngle >= HALF_PI$1) || endAngle >= DOUBLE_PI$1 + HALF_PI$1;
- var contains180 = startAngle === -PI$1 || endAngle >= PI$1;
- var contains270 = (startAngle <= -HALF_PI$1 && endAngle >= -HALF_PI$1) || endAngle >= PI$1 + HALF_PI$1;
- var minX = contains180 ? -1 : Math.min(startX, startX * cutout, endX, endX * cutout);
- var minY = contains270 ? -1 : Math.min(startY, startY * cutout, endY, endY * cutout);
- var maxX = contains0 ? 1 : Math.max(startX, startX * cutout, endX, endX * cutout);
- var maxY = contains90 ? 1 : Math.max(startY, startY * cutout, endY, endY * cutout);
- ratioX = (maxX - minX) / 2;
- ratioY = (maxY - minY) / 2;
- offsetX = -(maxX + minX) / 2;
- offsetY = -(maxY + minY) / 2;
- }
-
- for (i = 0, ilen = arcs.length; i < ilen; ++i) {
- arcs[i]._options = me._resolveDataElementOptions(arcs[i], i);
- }
-
- chart.borderWidth = me.getMaxBorderWidth();
- maxWidth = (chartArea.right - chartArea.left - chart.borderWidth) / ratioX;
- maxHeight = (chartArea.bottom - chartArea.top - chart.borderWidth) / ratioY;
- chart.outerRadius = Math.max(Math.min(maxWidth, maxHeight) / 2, 0);
- chart.innerRadius = Math.max(chart.outerRadius * cutout, 0);
- chart.radiusLength = (chart.outerRadius - chart.innerRadius) / (me._getVisibleDatasetWeightTotal() || 1);
- chart.offsetX = offsetX * chart.outerRadius;
- chart.offsetY = offsetY * chart.outerRadius;
-
- meta.total = me.calculateTotal();
-
- me.outerRadius = chart.outerRadius - chart.radiusLength * me._getRingWeightOffset(me.index);
- me.innerRadius = Math.max(me.outerRadius - chart.radiusLength * chartWeight, 0);
-
- for (i = 0, ilen = arcs.length; i < ilen; ++i) {
- me.updateElement(arcs[i], i, reset);
- }
- },
-
- updateElement: function(arc, index, reset) {
- var me = this;
- var chart = me.chart;
- var chartArea = chart.chartArea;
- var opts = chart.options;
- var animationOpts = opts.animation;
- var centerX = (chartArea.left + chartArea.right) / 2;
- var centerY = (chartArea.top + chartArea.bottom) / 2;
- var startAngle = opts.rotation; // non reset case handled later
- var endAngle = opts.rotation; // non reset case handled later
- var dataset = me.getDataset();
- var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / DOUBLE_PI$1);
- var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius;
- var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius;
- var options = arc._options || {};
-
- helpers$1.extend(arc, {
- // Utility
- _datasetIndex: me.index,
- _index: index,
-
- // Desired view properties
- _model: {
- backgroundColor: options.backgroundColor,
- borderColor: options.borderColor,
- borderWidth: options.borderWidth,
- borderAlign: options.borderAlign,
- x: centerX + chart.offsetX,
- y: centerY + chart.offsetY,
- startAngle: startAngle,
- endAngle: endAngle,
- circumference: circumference,
- outerRadius: outerRadius,
- innerRadius: innerRadius,
- label: helpers$1.valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index])
- }
- });
-
- var model = arc._model;
-
- // Set correct angles if not resetting
- if (!reset || !animationOpts.animateRotate) {
- if (index === 0) {
- model.startAngle = opts.rotation;
- } else {
- model.startAngle = me.getMeta().data[index - 1]._model.endAngle;
- }
-
- model.endAngle = model.startAngle + model.circumference;
- }
-
- arc.pivot();
- },
-
- calculateTotal: function() {
- var dataset = this.getDataset();
- var meta = this.getMeta();
- var total = 0;
- var value;
-
- helpers$1.each(meta.data, function(element, index) {
- value = dataset.data[index];
- if (!isNaN(value) && !element.hidden) {
- total += Math.abs(value);
- }
- });
-
- /* if (total === 0) {
- total = NaN;
- }*/
-
- return total;
- },
-
- calculateCircumference: function(value) {
- var total = this.getMeta().total;
- if (total > 0 && !isNaN(value)) {
- return DOUBLE_PI$1 * (Math.abs(value) / total);
- }
- return 0;
- },
-
- // gets the max border or hover width to properly scale pie charts
- getMaxBorderWidth: function(arcs) {
- var me = this;
- var max = 0;
- var chart = me.chart;
- var i, ilen, meta, arc, controller, options, borderWidth, hoverWidth;
-
- if (!arcs) {
- // Find the outmost visible dataset
- for (i = 0, ilen = chart.data.datasets.length; i < ilen; ++i) {
- if (chart.isDatasetVisible(i)) {
- meta = chart.getDatasetMeta(i);
- arcs = meta.data;
- if (i !== me.index) {
- controller = meta.controller;
- }
- break;
- }
- }
- }
-
- if (!arcs) {
- return 0;
- }
-
- for (i = 0, ilen = arcs.length; i < ilen; ++i) {
- arc = arcs[i];
- if (controller) {
- controller._configure();
- options = controller._resolveDataElementOptions(arc, i);
- } else {
- options = arc._options;
- }
- if (options.borderAlign !== 'inner') {
- borderWidth = options.borderWidth;
- hoverWidth = options.hoverBorderWidth;
-
- max = borderWidth > max ? borderWidth : max;
- max = hoverWidth > max ? hoverWidth : max;
- }
- }
- return max;
- },
-
- /**
- * @protected
- */
- setHoverStyle: function(arc) {
- var model = arc._model;
- var options = arc._options;
- var getHoverColor = helpers$1.getHoverColor;
-
- arc.$previousStyle = {
- backgroundColor: model.backgroundColor,
- borderColor: model.borderColor,
- borderWidth: model.borderWidth,
- };
-
- model.backgroundColor = valueOrDefault$5(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
- model.borderColor = valueOrDefault$5(options.hoverBorderColor, getHoverColor(options.borderColor));
- model.borderWidth = valueOrDefault$5(options.hoverBorderWidth, options.borderWidth);
- },
-
- /**
- * Get radius length offset of the dataset in relation to the visible datasets weights. This allows determining the inner and outer radius correctly
- * @private
- */
- _getRingWeightOffset: function(datasetIndex) {
- var ringWeightOffset = 0;
-
- for (var i = 0; i < datasetIndex; ++i) {
- if (this.chart.isDatasetVisible(i)) {
- ringWeightOffset += this._getRingWeight(i);
- }
- }
-
- return ringWeightOffset;
- },
-
- /**
- * @private
- */
- _getRingWeight: function(dataSetIndex) {
- return Math.max(valueOrDefault$5(this.chart.data.datasets[dataSetIndex].weight, 1), 0);
- },
-
- /**
- * Returns the sum of all visibile data set weights. This value can be 0.
- * @private
- */
- _getVisibleDatasetWeightTotal: function() {
- return this._getRingWeightOffset(this.chart.data.datasets.length);
- }
- });
-
- core_defaults._set('horizontalBar', {
- hover: {
- mode: 'index',
- axis: 'y'
- },
-
- scales: {
- xAxes: [{
- type: 'linear',
- position: 'bottom'
- }],
-
- yAxes: [{
- type: 'category',
- position: 'left',
- offset: true,
- gridLines: {
- offsetGridLines: true
- }
- }]
- },
-
- elements: {
- rectangle: {
- borderSkipped: 'left'
- }
- },
-
- tooltips: {
- mode: 'index',
- axis: 'y'
- }
- });
-
- core_defaults._set('global', {
- datasets: {
- horizontalBar: {
- categoryPercentage: 0.8,
- barPercentage: 0.9
- }
- }
- });
-
- var controller_horizontalBar = controller_bar.extend({
- /**
- * @private
- */
- _getValueScaleId: function() {
- return this.getMeta().xAxisID;
- },
-
- /**
- * @private
- */
- _getIndexScaleId: function() {
- return this.getMeta().yAxisID;
- }
- });
-
- var valueOrDefault$6 = helpers$1.valueOrDefault;
- var resolve$2 = helpers$1.options.resolve;
- var isPointInArea = helpers$1.canvas._isPointInArea;
-
- core_defaults._set('line', {
- showLines: true,
- spanGaps: false,
-
- hover: {
- mode: 'label'
- },
-
- scales: {
- xAxes: [{
- type: 'category',
- id: 'x-axis-0'
- }],
- yAxes: [{
- type: 'linear',
- id: 'y-axis-0'
- }]
- }
- });
-
- function scaleClip(scale, halfBorderWidth) {
- var tickOpts = scale && scale.options.ticks || {};
- var reverse = tickOpts.reverse;
- var min = tickOpts.min === undefined ? halfBorderWidth : 0;
- var max = tickOpts.max === undefined ? halfBorderWidth : 0;
- return {
- start: reverse ? max : min,
- end: reverse ? min : max
- };
- }
-
- function defaultClip(xScale, yScale, borderWidth) {
- var halfBorderWidth = borderWidth / 2;
- var x = scaleClip(xScale, halfBorderWidth);
- var y = scaleClip(yScale, halfBorderWidth);
-
- return {
- top: y.end,
- right: x.end,
- bottom: y.start,
- left: x.start
- };
- }
-
- function toClip(value) {
- var t, r, b, l;
-
- if (helpers$1.isObject(value)) {
- t = value.top;
- r = value.right;
- b = value.bottom;
- l = value.left;
- } else {
- t = r = b = l = value;
- }
-
- return {
- top: t,
- right: r,
- bottom: b,
- left: l
- };
- }
-
-
- var controller_line = core_datasetController.extend({
-
- datasetElementType: elements.Line,
-
- dataElementType: elements.Point,
-
- /**
- * @private
- */
- _datasetElementOptions: [
- 'backgroundColor',
- 'borderCapStyle',
- 'borderColor',
- 'borderDash',
- 'borderDashOffset',
- 'borderJoinStyle',
- 'borderWidth',
- 'cubicInterpolationMode',
- 'fill'
- ],
-
- /**
- * @private
- */
- _dataElementOptions: {
- backgroundColor: 'pointBackgroundColor',
- borderColor: 'pointBorderColor',
- borderWidth: 'pointBorderWidth',
- hitRadius: 'pointHitRadius',
- hoverBackgroundColor: 'pointHoverBackgroundColor',
- hoverBorderColor: 'pointHoverBorderColor',
- hoverBorderWidth: 'pointHoverBorderWidth',
- hoverRadius: 'pointHoverRadius',
- pointStyle: 'pointStyle',
- radius: 'pointRadius',
- rotation: 'pointRotation'
- },
-
- update: function(reset) {
- var me = this;
- var meta = me.getMeta();
- var line = meta.dataset;
- var points = meta.data || [];
- var options = me.chart.options;
- var config = me._config;
- var showLine = me._showLine = valueOrDefault$6(config.showLine, options.showLines);
- var i, ilen;
-
- me._xScale = me.getScaleForId(meta.xAxisID);
- me._yScale = me.getScaleForId(meta.yAxisID);
-
- // Update Line
- if (showLine) {
- // Compatibility: If the properties are defined with only the old name, use those values
- if (config.tension !== undefined && config.lineTension === undefined) {
- config.lineTension = config.tension;
- }
-
- // Utility
- line._scale = me._yScale;
- line._datasetIndex = me.index;
- // Data
- line._children = points;
- // Model
- line._model = me._resolveDatasetElementOptions(line);
-
- line.pivot();
- }
-
- // Update Points
- for (i = 0, ilen = points.length; i < ilen; ++i) {
- me.updateElement(points[i], i, reset);
- }
-
- if (showLine && line._model.tension !== 0) {
- me.updateBezierControlPoints();
- }
-
- // Now pivot the point for animation
- for (i = 0, ilen = points.length; i < ilen; ++i) {
- points[i].pivot();
- }
- },
-
- updateElement: function(point, index, reset) {
- var me = this;
- var meta = me.getMeta();
- var custom = point.custom || {};
- var dataset = me.getDataset();
- var datasetIndex = me.index;
- var value = dataset.data[index];
- var xScale = me._xScale;
- var yScale = me._yScale;
- var lineModel = meta.dataset._model;
- var x, y;
-
- var options = me._resolveDataElementOptions(point, index);
-
- x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex);
- y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex);
-
- // Utility
- point._xScale = xScale;
- point._yScale = yScale;
- point._options = options;
- point._datasetIndex = datasetIndex;
- point._index = index;
-
- // Desired view properties
- point._model = {
- x: x,
- y: y,
- skip: custom.skip || isNaN(x) || isNaN(y),
- // Appearance
- radius: options.radius,
- pointStyle: options.pointStyle,
- rotation: options.rotation,
- backgroundColor: options.backgroundColor,
- borderColor: options.borderColor,
- borderWidth: options.borderWidth,
- tension: valueOrDefault$6(custom.tension, lineModel ? lineModel.tension : 0),
- steppedLine: lineModel ? lineModel.steppedLine : false,
- // Tooltip
- hitRadius: options.hitRadius
- };
- },
-
- /**
- * @private
- */
- _resolveDatasetElementOptions: function(element) {
- var me = this;
- var config = me._config;
- var custom = element.custom || {};
- var options = me.chart.options;
- var lineOptions = options.elements.line;
- var values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments);
-
- // The default behavior of lines is to break at null values, according
- // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158
- // This option gives lines the ability to span gaps
- values.spanGaps = valueOrDefault$6(config.spanGaps, options.spanGaps);
- values.tension = valueOrDefault$6(config.lineTension, lineOptions.tension);
- values.steppedLine = resolve$2([custom.steppedLine, config.steppedLine, lineOptions.stepped]);
- values.clip = toClip(valueOrDefault$6(config.clip, defaultClip(me._xScale, me._yScale, values.borderWidth)));
-
- return values;
- },
-
- calculatePointY: function(value, index, datasetIndex) {
- var me = this;
- var chart = me.chart;
- var yScale = me._yScale;
- var sumPos = 0;
- var sumNeg = 0;
- var i, ds, dsMeta, stackedRightValue, rightValue, metasets, ilen;
-
- if (yScale.options.stacked) {
- rightValue = +yScale.getRightValue(value);
- metasets = chart._getSortedVisibleDatasetMetas();
- ilen = metasets.length;
-
- for (i = 0; i < ilen; ++i) {
- dsMeta = metasets[i];
- if (dsMeta.index === datasetIndex) {
- break;
- }
-
- ds = chart.data.datasets[dsMeta.index];
- if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id) {
- stackedRightValue = +yScale.getRightValue(ds.data[index]);
- if (stackedRightValue < 0) {
- sumNeg += stackedRightValue || 0;
- } else {
- sumPos += stackedRightValue || 0;
- }
- }
- }
-
- if (rightValue < 0) {
- return yScale.getPixelForValue(sumNeg + rightValue);
- }
- return yScale.getPixelForValue(sumPos + rightValue);
- }
- return yScale.getPixelForValue(value);
- },
-
- updateBezierControlPoints: function() {
- var me = this;
- var chart = me.chart;
- var meta = me.getMeta();
- var lineModel = meta.dataset._model;
- var area = chart.chartArea;
- var points = meta.data || [];
- var i, ilen, model, controlPoints;
-
- // Only consider points that are drawn in case the spanGaps option is used
- if (lineModel.spanGaps) {
- points = points.filter(function(pt) {
- return !pt._model.skip;
- });
- }
-
- function capControlPoint(pt, min, max) {
- return Math.max(Math.min(pt, max), min);
- }
-
- if (lineModel.cubicInterpolationMode === 'monotone') {
- helpers$1.splineCurveMonotone(points);
- } else {
- for (i = 0, ilen = points.length; i < ilen; ++i) {
- model = points[i]._model;
- controlPoints = helpers$1.splineCurve(
- helpers$1.previousItem(points, i)._model,
- model,
- helpers$1.nextItem(points, i)._model,
- lineModel.tension
- );
- model.controlPointPreviousX = controlPoints.previous.x;
- model.controlPointPreviousY = controlPoints.previous.y;
- model.controlPointNextX = controlPoints.next.x;
- model.controlPointNextY = controlPoints.next.y;
- }
- }
-
- if (chart.options.elements.line.capBezierPoints) {
- for (i = 0, ilen = points.length; i < ilen; ++i) {
- model = points[i]._model;
- if (isPointInArea(model, area)) {
- if (i > 0 && isPointInArea(points[i - 1]._model, area)) {
- model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right);
- model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom);
- }
- if (i < points.length - 1 && isPointInArea(points[i + 1]._model, area)) {
- model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right);
- model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom);
- }
- }
- }
- }
- },
-
- draw: function() {
- var me = this;
- var chart = me.chart;
- var meta = me.getMeta();
- var points = meta.data || [];
- var area = chart.chartArea;
- var canvas = chart.canvas;
- var i = 0;
- var ilen = points.length;
- var clip;
-
- if (me._showLine) {
- clip = meta.dataset._model.clip;
-
- helpers$1.canvas.clipArea(chart.ctx, {
- left: clip.left === false ? 0 : area.left - clip.left,
- right: clip.right === false ? canvas.width : area.right + clip.right,
- top: clip.top === false ? 0 : area.top - clip.top,
- bottom: clip.bottom === false ? canvas.height : area.bottom + clip.bottom
- });
-
- meta.dataset.draw();
-
- helpers$1.canvas.unclipArea(chart.ctx);
- }
-
- // Draw the points
- for (; i < ilen; ++i) {
- points[i].draw(area);
- }
- },
-
- /**
- * @protected
- */
- setHoverStyle: function(point) {
- var model = point._model;
- var options = point._options;
- var getHoverColor = helpers$1.getHoverColor;
-
- point.$previousStyle = {
- backgroundColor: model.backgroundColor,
- borderColor: model.borderColor,
- borderWidth: model.borderWidth,
- radius: model.radius
- };
-
- model.backgroundColor = valueOrDefault$6(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
- model.borderColor = valueOrDefault$6(options.hoverBorderColor, getHoverColor(options.borderColor));
- model.borderWidth = valueOrDefault$6(options.hoverBorderWidth, options.borderWidth);
- model.radius = valueOrDefault$6(options.hoverRadius, options.radius);
- },
- });
-
- var resolve$3 = helpers$1.options.resolve;
-
- core_defaults._set('polarArea', {
- scale: {
- type: 'radialLinear',
- angleLines: {
- display: false
- },
- gridLines: {
- circular: true
- },
- pointLabels: {
- display: false
- },
- ticks: {
- beginAtZero: true
- }
- },
-
- // Boolean - Whether to animate the rotation of the chart
- animation: {
- animateRotate: true,
- animateScale: true
- },
-
- startAngle: -0.5 * Math.PI,
- legendCallback: function(chart) {
- var list = document.createElement('ul');
- var data = chart.data;
- var datasets = data.datasets;
- var labels = data.labels;
- var i, ilen, listItem, listItemSpan;
-
- list.setAttribute('class', chart.id + '-legend');
- if (datasets.length) {
- for (i = 0, ilen = datasets[0].data.length; i < ilen; ++i) {
- listItem = list.appendChild(document.createElement('li'));
- listItemSpan = listItem.appendChild(document.createElement('span'));
- listItemSpan.style.backgroundColor = datasets[0].backgroundColor[i];
- if (labels[i]) {
- listItem.appendChild(document.createTextNode(labels[i]));
- }
- }
- }
-
- return list.outerHTML;
- },
- legend: {
- labels: {
- generateLabels: function(chart) {
- var data = chart.data;
- if (data.labels.length && data.datasets.length) {
- return data.labels.map(function(label, i) {
- var meta = chart.getDatasetMeta(0);
- var style = meta.controller.getStyle(i);
-
- return {
- text: label,
- fillStyle: style.backgroundColor,
- strokeStyle: style.borderColor,
- lineWidth: style.borderWidth,
- hidden: isNaN(data.datasets[0].data[i]) || meta.data[i].hidden,
-
- // Extra data used for toggling the correct item
- index: i
- };
- });
- }
- return [];
- }
- },
-
- onClick: function(e, legendItem) {
- var index = legendItem.index;
- var chart = this.chart;
- var i, ilen, meta;
-
- for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
- meta = chart.getDatasetMeta(i);
- meta.data[index].hidden = !meta.data[index].hidden;
- }
-
- chart.update();
- }
- },
-
- // Need to override these to give a nice default
- tooltips: {
- callbacks: {
- title: function() {
- return '';
- },
- label: function(item, data) {
- return data.labels[item.index] + ': ' + item.yLabel;
- }
- }
- }
- });
-
- var controller_polarArea = core_datasetController.extend({
-
- dataElementType: elements.Arc,
-
- linkScales: helpers$1.noop,
-
- /**
- * @private
- */
- _dataElementOptions: [
- 'backgroundColor',
- 'borderColor',
- 'borderWidth',
- 'borderAlign',
- 'hoverBackgroundColor',
- 'hoverBorderColor',
- 'hoverBorderWidth',
- ],
-
- /**
- * @private
- */
- _getIndexScaleId: function() {
- return this.chart.scale.id;
- },
-
- /**
- * @private
- */
- _getValueScaleId: function() {
- return this.chart.scale.id;
- },
-
- update: function(reset) {
- var me = this;
- var dataset = me.getDataset();
- var meta = me.getMeta();
- var start = me.chart.options.startAngle || 0;
- var starts = me._starts = [];
- var angles = me._angles = [];
- var arcs = meta.data;
- var i, ilen, angle;
-
- me._updateRadius();
-
- meta.count = me.countVisibleElements();
-
- for (i = 0, ilen = dataset.data.length; i < ilen; i++) {
- starts[i] = start;
- angle = me._computeAngle(i);
- angles[i] = angle;
- start += angle;
- }
-
- for (i = 0, ilen = arcs.length; i < ilen; ++i) {
- arcs[i]._options = me._resolveDataElementOptions(arcs[i], i);
- me.updateElement(arcs[i], i, reset);
- }
- },
-
- /**
- * @private
- */
- _updateRadius: function() {
- var me = this;
- var chart = me.chart;
- var chartArea = chart.chartArea;
- var opts = chart.options;
- var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);
-
- chart.outerRadius = Math.max(minSize / 2, 0);
- chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);
- chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();
-
- me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index);
- me.innerRadius = me.outerRadius - chart.radiusLength;
- },
-
- updateElement: function(arc, index, reset) {
- var me = this;
- var chart = me.chart;
- var dataset = me.getDataset();
- var opts = chart.options;
- var animationOpts = opts.animation;
- var scale = chart.scale;
- var labels = chart.data.labels;
-
- var centerX = scale.xCenter;
- var centerY = scale.yCenter;
-
- // var negHalfPI = -0.5 * Math.PI;
- var datasetStartAngle = opts.startAngle;
- var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);
- var startAngle = me._starts[index];
- var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]);
-
- var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);
- var options = arc._options || {};
-
- helpers$1.extend(arc, {
- // Utility
- _datasetIndex: me.index,
- _index: index,
- _scale: scale,
-
- // Desired view properties
- _model: {
- backgroundColor: options.backgroundColor,
- borderColor: options.borderColor,
- borderWidth: options.borderWidth,
- borderAlign: options.borderAlign,
- x: centerX,
- y: centerY,
- innerRadius: 0,
- outerRadius: reset ? resetRadius : distance,
- startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle,
- endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle,
- label: helpers$1.valueAtIndexOrDefault(labels, index, labels[index])
- }
- });
-
- arc.pivot();
- },
-
- countVisibleElements: function() {
- var dataset = this.getDataset();
- var meta = this.getMeta();
- var count = 0;
-
- helpers$1.each(meta.data, function(element, index) {
- if (!isNaN(dataset.data[index]) && !element.hidden) {
- count++;
- }
- });
-
- return count;
- },
-
- /**
- * @protected
- */
- setHoverStyle: function(arc) {
- var model = arc._model;
- var options = arc._options;
- var getHoverColor = helpers$1.getHoverColor;
- var valueOrDefault = helpers$1.valueOrDefault;
-
- arc.$previousStyle = {
- backgroundColor: model.backgroundColor,
- borderColor: model.borderColor,
- borderWidth: model.borderWidth,
- };
-
- model.backgroundColor = valueOrDefault(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
- model.borderColor = valueOrDefault(options.hoverBorderColor, getHoverColor(options.borderColor));
- model.borderWidth = valueOrDefault(options.hoverBorderWidth, options.borderWidth);
- },
-
- /**
- * @private
- */
- _computeAngle: function(index) {
- var me = this;
- var count = this.getMeta().count;
- var dataset = me.getDataset();
- var meta = me.getMeta();
-
- if (isNaN(dataset.data[index]) || meta.data[index].hidden) {
- return 0;
- }
-
- // Scriptable options
- var context = {
- chart: me.chart,
- dataIndex: index,
- dataset: dataset,
- datasetIndex: me.index
- };
-
- return resolve$3([
- me.chart.options.elements.arc.angle,
- (2 * Math.PI) / count
- ], context, index);
- }
- });
-
- core_defaults._set('pie', helpers$1.clone(core_defaults.doughnut));
- core_defaults._set('pie', {
- cutoutPercentage: 0
- });
-
- // Pie charts are Doughnut chart with different defaults
- var controller_pie = controller_doughnut;
-
- var valueOrDefault$7 = helpers$1.valueOrDefault;
-
- core_defaults._set('radar', {
- spanGaps: false,
- scale: {
- type: 'radialLinear'
- },
- elements: {
- line: {
- fill: 'start',
- tension: 0 // no bezier in radar
- }
- }
- });
-
- var controller_radar = core_datasetController.extend({
- datasetElementType: elements.Line,
-
- dataElementType: elements.Point,
-
- linkScales: helpers$1.noop,
-
- /**
- * @private
- */
- _datasetElementOptions: [
- 'backgroundColor',
- 'borderWidth',
- 'borderColor',
- 'borderCapStyle',
- 'borderDash',
- 'borderDashOffset',
- 'borderJoinStyle',
- 'fill'
- ],
-
- /**
- * @private
- */
- _dataElementOptions: {
- backgroundColor: 'pointBackgroundColor',
- borderColor: 'pointBorderColor',
- borderWidth: 'pointBorderWidth',
- hitRadius: 'pointHitRadius',
- hoverBackgroundColor: 'pointHoverBackgroundColor',
- hoverBorderColor: 'pointHoverBorderColor',
- hoverBorderWidth: 'pointHoverBorderWidth',
- hoverRadius: 'pointHoverRadius',
- pointStyle: 'pointStyle',
- radius: 'pointRadius',
- rotation: 'pointRotation'
- },
-
- /**
- * @private
- */
- _getIndexScaleId: function() {
- return this.chart.scale.id;
- },
-
- /**
- * @private
- */
- _getValueScaleId: function() {
- return this.chart.scale.id;
- },
-
- update: function(reset) {
- var me = this;
- var meta = me.getMeta();
- var line = meta.dataset;
- var points = meta.data || [];
- var scale = me.chart.scale;
- var config = me._config;
- var i, ilen;
-
- // Compatibility: If the properties are defined with only the old name, use those values
- if (config.tension !== undefined && config.lineTension === undefined) {
- config.lineTension = config.tension;
- }
-
- // Utility
- line._scale = scale;
- line._datasetIndex = me.index;
- // Data
- line._children = points;
- line._loop = true;
- // Model
- line._model = me._resolveDatasetElementOptions(line);
-
- line.pivot();
-
- // Update Points
- for (i = 0, ilen = points.length; i < ilen; ++i) {
- me.updateElement(points[i], i, reset);
- }
-
- // Update bezier control points
- me.updateBezierControlPoints();
-
- // Now pivot the point for animation
- for (i = 0, ilen = points.length; i < ilen; ++i) {
- points[i].pivot();
- }
- },
-
- updateElement: function(point, index, reset) {
- var me = this;
- var custom = point.custom || {};
- var dataset = me.getDataset();
- var scale = me.chart.scale;
- var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]);
- var options = me._resolveDataElementOptions(point, index);
- var lineModel = me.getMeta().dataset._model;
- var x = reset ? scale.xCenter : pointPosition.x;
- var y = reset ? scale.yCenter : pointPosition.y;
-
- // Utility
- point._scale = scale;
- point._options = options;
- point._datasetIndex = me.index;
- point._index = index;
-
- // Desired view properties
- point._model = {
- x: x, // value not used in dataset scale, but we want a consistent API between scales
- y: y,
- skip: custom.skip || isNaN(x) || isNaN(y),
- // Appearance
- radius: options.radius,
- pointStyle: options.pointStyle,
- rotation: options.rotation,
- backgroundColor: options.backgroundColor,
- borderColor: options.borderColor,
- borderWidth: options.borderWidth,
- tension: valueOrDefault$7(custom.tension, lineModel ? lineModel.tension : 0),
-
- // Tooltip
- hitRadius: options.hitRadius
- };
- },
-
- /**
- * @private
- */
- _resolveDatasetElementOptions: function() {
- var me = this;
- var config = me._config;
- var options = me.chart.options;
- var values = core_datasetController.prototype._resolveDatasetElementOptions.apply(me, arguments);
-
- values.spanGaps = valueOrDefault$7(config.spanGaps, options.spanGaps);
- values.tension = valueOrDefault$7(config.lineTension, options.elements.line.tension);
-
- return values;
- },
-
- updateBezierControlPoints: function() {
- var me = this;
- var meta = me.getMeta();
- var area = me.chart.chartArea;
- var points = meta.data || [];
- var i, ilen, model, controlPoints;
-
- // Only consider points that are drawn in case the spanGaps option is used
- if (meta.dataset._model.spanGaps) {
- points = points.filter(function(pt) {
- return !pt._model.skip;
- });
- }
-
- function capControlPoint(pt, min, max) {
- return Math.max(Math.min(pt, max), min);
- }
-
- for (i = 0, ilen = points.length; i < ilen; ++i) {
- model = points[i]._model;
- controlPoints = helpers$1.splineCurve(
- helpers$1.previousItem(points, i, true)._model,
- model,
- helpers$1.nextItem(points, i, true)._model,
- model.tension
- );
-
- // Prevent the bezier going outside of the bounds of the graph
- model.controlPointPreviousX = capControlPoint(controlPoints.previous.x, area.left, area.right);
- model.controlPointPreviousY = capControlPoint(controlPoints.previous.y, area.top, area.bottom);
- model.controlPointNextX = capControlPoint(controlPoints.next.x, area.left, area.right);
- model.controlPointNextY = capControlPoint(controlPoints.next.y, area.top, area.bottom);
- }
- },
-
- setHoverStyle: function(point) {
- var model = point._model;
- var options = point._options;
- var getHoverColor = helpers$1.getHoverColor;
-
- point.$previousStyle = {
- backgroundColor: model.backgroundColor,
- borderColor: model.borderColor,
- borderWidth: model.borderWidth,
- radius: model.radius
- };
-
- model.backgroundColor = valueOrDefault$7(options.hoverBackgroundColor, getHoverColor(options.backgroundColor));
- model.borderColor = valueOrDefault$7(options.hoverBorderColor, getHoverColor(options.borderColor));
- model.borderWidth = valueOrDefault$7(options.hoverBorderWidth, options.borderWidth);
- model.radius = valueOrDefault$7(options.hoverRadius, options.radius);
- }
- });
-
- core_defaults._set('scatter', {
- hover: {
- mode: 'single'
- },
-
- scales: {
- xAxes: [{
- id: 'x-axis-1', // need an ID so datasets can reference the scale
- type: 'linear', // scatter should not use a category axis
- position: 'bottom'
- }],
- yAxes: [{
- id: 'y-axis-1',
- type: 'linear',
- position: 'left'
- }]
- },
-
- tooltips: {
- callbacks: {
- title: function() {
- return ''; // doesn't make sense for scatter since data are formatted as a point
- },
- label: function(item) {
- return '(' + item.xLabel + ', ' + item.yLabel + ')';
- }
- }
- }
- });
-
- core_defaults._set('global', {
- datasets: {
- scatter: {
- showLine: false
- }
- }
- });
-
- // Scatter charts use line controllers
- var controller_scatter = controller_line;
-
- // NOTE export a map in which the key represents the controller type, not
- // the class, and so must be CamelCase in order to be correctly retrieved
- // by the controller in core.controller.js (`controllers[meta.type]`).
-
- var controllers = {
- bar: controller_bar,
- bubble: controller_bubble,
- doughnut: controller_doughnut,
- horizontalBar: controller_horizontalBar,
- line: controller_line,
- polarArea: controller_polarArea,
- pie: controller_pie,
- radar: controller_radar,
- scatter: controller_scatter
- };
-
- /**
- * Helper function to get relative position for an event
- * @param {Event|IEvent} event - The event to get the position for
- * @param {Chart} chart - The chart
- * @returns {object} the event position
- */
- function getRelativePosition(e, chart) {
- if (e.native) {
- return {
- x: e.x,
- y: e.y
- };
- }
-
- return helpers$1.getRelativePosition(e, chart);
- }
-
- /**
- * Helper function to traverse all of the visible elements in the chart
- * @param {Chart} chart - the chart
- * @param {function} handler - the callback to execute for each visible item
- */
- function parseVisibleItems(chart, handler) {
- var metasets = chart._getSortedVisibleDatasetMetas();
- var metadata, i, j, ilen, jlen, element;
-
- for (i = 0, ilen = metasets.length; i < ilen; ++i) {
- metadata = metasets[i].data;
- for (j = 0, jlen = metadata.length; j < jlen; ++j) {
- element = metadata[j];
- if (!element._view.skip) {
- handler(element);
- }
- }
- }
- }
-
- /**
- * Helper function to get the items that intersect the event position
- * @param {ChartElement[]} items - elements to filter
- * @param {object} position - the point to be nearest to
- * @return {ChartElement[]} the nearest items
- */
- function getIntersectItems(chart, position) {
- var elements = [];
-
- parseVisibleItems(chart, function(element) {
- if (element.inRange(position.x, position.y)) {
- elements.push(element);
- }
- });
-
- return elements;
- }
-
- /**
- * Helper function to get the items nearest to the event position considering all visible items in teh chart
- * @param {Chart} chart - the chart to look at elements from
- * @param {object} position - the point to be nearest to
- * @param {boolean} intersect - if true, only consider items that intersect the position
- * @param {function} distanceMetric - function to provide the distance between points
- * @return {ChartElement[]} the nearest items
- */
- function getNearestItems(chart, position, intersect, distanceMetric) {
- var minDistance = Number.POSITIVE_INFINITY;
- var nearestItems = [];
-
- parseVisibleItems(chart, function(element) {
- if (intersect && !element.inRange(position.x, position.y)) {
- return;
- }
-
- var center = element.getCenterPoint();
- var distance = distanceMetric(position, center);
- if (distance < minDistance) {
- nearestItems = [element];
- minDistance = distance;
- } else if (distance === minDistance) {
- // Can have multiple items at the same distance in which case we sort by size
- nearestItems.push(element);
- }
- });
-
- return nearestItems;
- }
-
- /**
- * Get a distance metric function for two points based on the
- * axis mode setting
- * @param {string} axis - the axis mode. x|y|xy
- */
- function getDistanceMetricForAxis(axis) {
- var useX = axis.indexOf('x') !== -1;
- var useY = axis.indexOf('y') !== -1;
-
- return function(pt1, pt2) {
- var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;
- var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;
- return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));
- };
- }
-
- function indexMode(chart, e, options) {
- var position = getRelativePosition(e, chart);
- // Default axis for index mode is 'x' to match old behaviour
- options.axis = options.axis || 'x';
- var distanceMetric = getDistanceMetricForAxis(options.axis);
- var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);
- var elements = [];
-
- if (!items.length) {
- return [];
- }
-
- chart._getSortedVisibleDatasetMetas().forEach(function(meta) {
- var element = meta.data[items[0]._index];
-
- // don't count items that are skipped (null data)
- if (element && !element._view.skip) {
- elements.push(element);
- }
- });
-
- return elements;
- }
-
- /**
- * @interface IInteractionOptions
- */
- /**
- * If true, only consider items that intersect the point
- * @name IInterfaceOptions#boolean
- * @type Boolean
- */
-
- /**
- * Contains interaction related functions
- * @namespace Chart.Interaction
- */
- var core_interaction = {
- // Helper function for different modes
- modes: {
- single: function(chart, e) {
- var position = getRelativePosition(e, chart);
- var elements = [];
-
- parseVisibleItems(chart, function(element) {
- if (element.inRange(position.x, position.y)) {
- elements.push(element);
- return elements;
- }
- });
-
- return elements.slice(0, 1);
- },
-
- /**
- * @function Chart.Interaction.modes.label
- * @deprecated since version 2.4.0
- * @todo remove at version 3
- * @private
- */
- label: indexMode,
-
- /**
- * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something
- * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item
- * @function Chart.Interaction.modes.index
- * @since v2.4.0
- * @param {Chart} chart - the chart we are returning items from
- * @param {Event} e - the event we are find things at
- * @param {IInteractionOptions} options - options to use during interaction
- * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
- */
- index: indexMode,
-
- /**
- * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something
- * If the options.intersect is false, we find the nearest item and return the items in that dataset
- * @function Chart.Interaction.modes.dataset
- * @param {Chart} chart - the chart we are returning items from
- * @param {Event} e - the event we are find things at
- * @param {IInteractionOptions} options - options to use during interaction
- * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
- */
- dataset: function(chart, e, options) {
- var position = getRelativePosition(e, chart);
- options.axis = options.axis || 'xy';
- var distanceMetric = getDistanceMetricForAxis(options.axis);
- var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);
-
- if (items.length > 0) {
- items = chart.getDatasetMeta(items[0]._datasetIndex).data;
- }
-
- return items;
- },
-
- /**
- * @function Chart.Interaction.modes.x-axis
- * @deprecated since version 2.4.0. Use index mode and intersect == true
- * @todo remove at version 3
- * @private
- */
- 'x-axis': function(chart, e) {
- return indexMode(chart, e, {intersect: false});
- },
-
- /**
- * Point mode returns all elements that hit test based on the event position
- * of the event
- * @function Chart.Interaction.modes.intersect
- * @param {Chart} chart - the chart we are returning items from
- * @param {Event} e - the event we are find things at
- * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
- */
- point: function(chart, e) {
- var position = getRelativePosition(e, chart);
- return getIntersectItems(chart, position);
- },
-
- /**
- * nearest mode returns the element closest to the point
- * @function Chart.Interaction.modes.intersect
- * @param {Chart} chart - the chart we are returning items from
- * @param {Event} e - the event we are find things at
- * @param {IInteractionOptions} options - options to use
- * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
- */
- nearest: function(chart, e, options) {
- var position = getRelativePosition(e, chart);
- options.axis = options.axis || 'xy';
- var distanceMetric = getDistanceMetricForAxis(options.axis);
- return getNearestItems(chart, position, options.intersect, distanceMetric);
- },
-
- /**
- * x mode returns the elements that hit-test at the current x coordinate
- * @function Chart.Interaction.modes.x
- * @param {Chart} chart - the chart we are returning items from
- * @param {Event} e - the event we are find things at
- * @param {IInteractionOptions} options - options to use
- * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
- */
- x: function(chart, e, options) {
- var position = getRelativePosition(e, chart);
- var items = [];
- var intersectsItem = false;
-
- parseVisibleItems(chart, function(element) {
- if (element.inXRange(position.x)) {
- items.push(element);
- }
-
- if (element.inRange(position.x, position.y)) {
- intersectsItem = true;
- }
- });
-
- // If we want to trigger on an intersect and we don't have any items
- // that intersect the position, return nothing
- if (options.intersect && !intersectsItem) {
- items = [];
- }
- return items;
- },
-
- /**
- * y mode returns the elements that hit-test at the current y coordinate
- * @function Chart.Interaction.modes.y
- * @param {Chart} chart - the chart we are returning items from
- * @param {Event} e - the event we are find things at
- * @param {IInteractionOptions} options - options to use
- * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
- */
- y: function(chart, e, options) {
- var position = getRelativePosition(e, chart);
- var items = [];
- var intersectsItem = false;
-
- parseVisibleItems(chart, function(element) {
- if (element.inYRange(position.y)) {
- items.push(element);
- }
-
- if (element.inRange(position.x, position.y)) {
- intersectsItem = true;
- }
- });
-
- // If we want to trigger on an intersect and we don't have any items
- // that intersect the position, return nothing
- if (options.intersect && !intersectsItem) {
- items = [];
- }
- return items;
- }
- }
- };
-
- var extend = helpers$1.extend;
-
- function filterByPosition(array, position) {
- return helpers$1.where(array, function(v) {
- return v.pos === position;
- });
- }
-
- function sortByWeight(array, reverse) {
- return array.sort(function(a, b) {
- var v0 = reverse ? b : a;
- var v1 = reverse ? a : b;
- return v0.weight === v1.weight ?
- v0.index - v1.index :
- v0.weight - v1.weight;
- });
- }
-
- function wrapBoxes(boxes) {
- var layoutBoxes = [];
- var i, ilen, box;
-
- for (i = 0, ilen = (boxes || []).length; i < ilen; ++i) {
- box = boxes[i];
- layoutBoxes.push({
- index: i,
- box: box,
- pos: box.position,
- horizontal: box.isHorizontal(),
- weight: box.weight
- });
- }
- return layoutBoxes;
- }
-
- function setLayoutDims(layouts, params) {
- var i, ilen, layout;
- for (i = 0, ilen = layouts.length; i < ilen; ++i) {
- layout = layouts[i];
- // store width used instead of chartArea.w in fitBoxes
- layout.width = layout.horizontal
- ? layout.box.fullWidth && params.availableWidth
- : params.vBoxMaxWidth;
- // store height used instead of chartArea.h in fitBoxes
- layout.height = layout.horizontal && params.hBoxMaxHeight;
- }
- }
-
- function buildLayoutBoxes(boxes) {
- var layoutBoxes = wrapBoxes(boxes);
- var left = sortByWeight(filterByPosition(layoutBoxes, 'left'), true);
- var right = sortByWeight(filterByPosition(layoutBoxes, 'right'));
- var top = sortByWeight(filterByPosition(layoutBoxes, 'top'), true);
- var bottom = sortByWeight(filterByPosition(layoutBoxes, 'bottom'));
-
- return {
- leftAndTop: left.concat(top),
- rightAndBottom: right.concat(bottom),
- chartArea: filterByPosition(layoutBoxes, 'chartArea'),
- vertical: left.concat(right),
- horizontal: top.concat(bottom)
- };
- }
-
- function getCombinedMax(maxPadding, chartArea, a, b) {
- return Math.max(maxPadding[a], chartArea[a]) + Math.max(maxPadding[b], chartArea[b]);
- }
-
- function updateDims(chartArea, params, layout) {
- var box = layout.box;
- var maxPadding = chartArea.maxPadding;
- var newWidth, newHeight;
-
- if (layout.size) {
- // this layout was already counted for, lets first reduce old size
- chartArea[layout.pos] -= layout.size;
- }
- layout.size = layout.horizontal ? box.height : box.width;
- chartArea[layout.pos] += layout.size;
-
- if (box.getPadding) {
- var boxPadding = box.getPadding();
- maxPadding.top = Math.max(maxPadding.top, boxPadding.top);
- maxPadding.left = Math.max(maxPadding.left, boxPadding.left);
- maxPadding.bottom = Math.max(maxPadding.bottom, boxPadding.bottom);
- maxPadding.right = Math.max(maxPadding.right, boxPadding.right);
- }
-
- newWidth = params.outerWidth - getCombinedMax(maxPadding, chartArea, 'left', 'right');
- newHeight = params.outerHeight - getCombinedMax(maxPadding, chartArea, 'top', 'bottom');
-
- if (newWidth !== chartArea.w || newHeight !== chartArea.h) {
- chartArea.w = newWidth;
- chartArea.h = newHeight;
-
- // return true if chart area changed in layout's direction
- return layout.horizontal ? newWidth !== chartArea.w : newHeight !== chartArea.h;
- }
- }
-
- function handleMaxPadding(chartArea) {
- var maxPadding = chartArea.maxPadding;
-
- function updatePos(pos) {
- var change = Math.max(maxPadding[pos] - chartArea[pos], 0);
- chartArea[pos] += change;
- return change;
- }
- chartArea.y += updatePos('top');
- chartArea.x += updatePos('left');
- updatePos('right');
- updatePos('bottom');
- }
-
- function getMargins(horizontal, chartArea) {
- var maxPadding = chartArea.maxPadding;
-
- function marginForPositions(positions) {
- var margin = {left: 0, top: 0, right: 0, bottom: 0};
- positions.forEach(function(pos) {
- margin[pos] = Math.max(chartArea[pos], maxPadding[pos]);
- });
- return margin;
- }
-
- return horizontal
- ? marginForPositions(['left', 'right'])
- : marginForPositions(['top', 'bottom']);
- }
-
- function fitBoxes(boxes, chartArea, params) {
- var refitBoxes = [];
- var i, ilen, layout, box, refit, changed;
-
- for (i = 0, ilen = boxes.length; i < ilen; ++i) {
- layout = boxes[i];
- box = layout.box;
-
- box.update(
- layout.width || chartArea.w,
- layout.height || chartArea.h,
- getMargins(layout.horizontal, chartArea)
- );
- if (updateDims(chartArea, params, layout)) {
- changed = true;
- if (refitBoxes.length) {
- // Dimensions changed and there were non full width boxes before this
- // -> we have to refit those
- refit = true;
- }
- }
- if (!box.fullWidth) { // fullWidth boxes don't need to be re-fitted in any case
- refitBoxes.push(layout);
- }
- }
-
- return refit ? fitBoxes(refitBoxes, chartArea, params) || changed : changed;
- }
-
- function placeBoxes(boxes, chartArea, params) {
- var userPadding = params.padding;
- var x = chartArea.x;
- var y = chartArea.y;
- var i, ilen, layout, box;
-
- for (i = 0, ilen = boxes.length; i < ilen; ++i) {
- layout = boxes[i];
- box = layout.box;
- if (layout.horizontal) {
- box.left = box.fullWidth ? userPadding.left : chartArea.left;
- box.right = box.fullWidth ? params.outerWidth - userPadding.right : chartArea.left + chartArea.w;
- box.top = y;
- box.bottom = y + box.height;
- box.width = box.right - box.left;
- y = box.bottom;
- } else {
- box.left = x;
- box.right = x + box.width;
- box.top = chartArea.top;
- box.bottom = chartArea.top + chartArea.h;
- box.height = box.bottom - box.top;
- x = box.right;
- }
- }
-
- chartArea.x = x;
- chartArea.y = y;
- }
-
- core_defaults._set('global', {
- layout: {
- padding: {
- top: 0,
- right: 0,
- bottom: 0,
- left: 0
- }
- }
- });
-
- /**
- * @interface ILayoutItem
- * @prop {string} position - The position of the item in the chart layout. Possible values are
- * 'left', 'top', 'right', 'bottom', and 'chartArea'
- * @prop {number} weight - The weight used to sort the item. Higher weights are further away from the chart area
- * @prop {boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down
- * @prop {function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom)
- * @prop {function} update - Takes two parameters: width and height. Returns size of item
- * @prop {function} getPadding - Returns an object with padding on the edges
- * @prop {number} width - Width of item. Must be valid after update()
- * @prop {number} height - Height of item. Must be valid after update()
- * @prop {number} left - Left edge of the item. Set by layout system and cannot be used in update
- * @prop {number} top - Top edge of the item. Set by layout system and cannot be used in update
- * @prop {number} right - Right edge of the item. Set by layout system and cannot be used in update
- * @prop {number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update
- */
-
- // The layout service is very self explanatory. It's responsible for the layout within a chart.
- // Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need
- // It is this service's responsibility of carrying out that layout.
- var core_layouts = {
- defaults: {},
-
- /**
- * Register a box to a chart.
- * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title.
- * @param {Chart} chart - the chart to use
- * @param {ILayoutItem} item - the item to add to be layed out
- */
- addBox: function(chart, item) {
- if (!chart.boxes) {
- chart.boxes = [];
- }
-
- // initialize item with default values
- item.fullWidth = item.fullWidth || false;
- item.position = item.position || 'top';
- item.weight = item.weight || 0;
- item._layers = item._layers || function() {
- return [{
- z: 0,
- draw: function() {
- item.draw.apply(item, arguments);
- }
- }];
- };
-
- chart.boxes.push(item);
- },
-
- /**
- * Remove a layoutItem from a chart
- * @param {Chart} chart - the chart to remove the box from
- * @param {ILayoutItem} layoutItem - the item to remove from the layout
- */
- removeBox: function(chart, layoutItem) {
- var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;
- if (index !== -1) {
- chart.boxes.splice(index, 1);
- }
- },
-
- /**
- * Sets (or updates) options on the given `item`.
- * @param {Chart} chart - the chart in which the item lives (or will be added to)
- * @param {ILayoutItem} item - the item to configure with the given options
- * @param {object} options - the new item options.
- */
- configure: function(chart, item, options) {
- var props = ['fullWidth', 'position', 'weight'];
- var ilen = props.length;
- var i = 0;
- var prop;
-
- for (; i < ilen; ++i) {
- prop = props[i];
- if (options.hasOwnProperty(prop)) {
- item[prop] = options[prop];
- }
- }
- },
-
- /**
- * Fits boxes of the given chart into the given size by having each box measure itself
- * then running a fitting algorithm
- * @param {Chart} chart - the chart
- * @param {number} width - the width to fit into
- * @param {number} height - the height to fit into
- */
- update: function(chart, width, height) {
- if (!chart) {
- return;
- }
-
- var layoutOptions = chart.options.layout || {};
- var padding = helpers$1.options.toPadding(layoutOptions.padding);
-
- var availableWidth = width - padding.width;
- var availableHeight = height - padding.height;
- var boxes = buildLayoutBoxes(chart.boxes);
- var verticalBoxes = boxes.vertical;
- var horizontalBoxes = boxes.horizontal;
-
- // Essentially we now have any number of boxes on each of the 4 sides.
- // Our canvas looks like the following.
- // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and
- // B1 is the bottom axis
- // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays
- // These locations are single-box locations only, when trying to register a chartArea location that is already taken,
- // an error will be thrown.
- //
- // |----------------------------------------------------|
- // | T1 (Full Width) |
- // |----------------------------------------------------|
- // | | | T2 | |
- // | |----|-------------------------------------|----|
- // | | | C1 | | C2 | |
- // | | |----| |----| |
- // | | | | |
- // | L1 | L2 | ChartArea (C0) | R1 |
- // | | | | |
- // | | |----| |----| |
- // | | | C3 | | C4 | |
- // | |----|-------------------------------------|----|
- // | | | B1 | |
- // |----------------------------------------------------|
- // | B2 (Full Width) |
- // |----------------------------------------------------|
- //
-
- var params = Object.freeze({
- outerWidth: width,
- outerHeight: height,
- padding: padding,
- availableWidth: availableWidth,
- vBoxMaxWidth: availableWidth / 2 / verticalBoxes.length,
- hBoxMaxHeight: availableHeight / 2
- });
- var chartArea = extend({
- maxPadding: extend({}, padding),
- w: availableWidth,
- h: availableHeight,
- x: padding.left,
- y: padding.top
- }, padding);
-
- setLayoutDims(verticalBoxes.concat(horizontalBoxes), params);
-
- // First fit vertical boxes
- fitBoxes(verticalBoxes, chartArea, params);
-
- // Then fit horizontal boxes
- if (fitBoxes(horizontalBoxes, chartArea, params)) {
- // if the area changed, re-fit vertical boxes
- fitBoxes(verticalBoxes, chartArea, params);
- }
-
- handleMaxPadding(chartArea);
-
- // Finally place the boxes to correct coordinates
- placeBoxes(boxes.leftAndTop, chartArea, params);
-
- // Move to opposite side of chart
- chartArea.x += chartArea.w;
- chartArea.y += chartArea.h;
-
- placeBoxes(boxes.rightAndBottom, chartArea, params);
-
- chart.chartArea = {
- left: chartArea.left,
- top: chartArea.top,
- right: chartArea.left + chartArea.w,
- bottom: chartArea.top + chartArea.h
- };
-
- // Finally update boxes in chartArea (radial scale for example)
- helpers$1.each(boxes.chartArea, function(layout) {
- var box = layout.box;
- extend(box, chart.chartArea);
- box.update(chartArea.w, chartArea.h);
- });
- }
- };
-
- /**
- * Platform fallback implementation (minimal).
- * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939
- */
-
- var platform_basic = {
- acquireContext: function(item) {
- if (item && item.canvas) {
- // Support for any object associated to a canvas (including a context2d)
- item = item.canvas;
- }
-
- return item && item.getContext('2d') || null;
- }
- };
-
- var platform_dom = "/*\n * DOM element rendering detection\n * https://davidwalsh.name/detect-node-insertion\n */\n@keyframes chartjs-render-animation {\n\tfrom { opacity: 0.99; }\n\tto { opacity: 1; }\n}\n\n.chartjs-render-monitor {\n\tanimation: chartjs-render-animation 0.001s;\n}\n\n/*\n * DOM element resizing detection\n * https://github.com/marcj/css-element-queries\n */\n.chartjs-size-monitor,\n.chartjs-size-monitor-expand,\n.chartjs-size-monitor-shrink {\n\tposition: absolute;\n\tdirection: ltr;\n\tleft: 0;\n\ttop: 0;\n\tright: 0;\n\tbottom: 0;\n\toverflow: hidden;\n\tpointer-events: none;\n\tvisibility: hidden;\n\tz-index: -1;\n}\n\n.chartjs-size-monitor-expand > div {\n\tposition: absolute;\n\twidth: 1000000px;\n\theight: 1000000px;\n\tleft: 0;\n\ttop: 0;\n}\n\n.chartjs-size-monitor-shrink > div {\n\tposition: absolute;\n\twidth: 200%;\n\theight: 200%;\n\tleft: 0;\n\ttop: 0;\n}\n";
-
- var platform_dom$1 = /*#__PURE__*/Object.freeze({
- __proto__: null,
- 'default': platform_dom
- });
-
- var stylesheet = getCjsExportFromNamespace(platform_dom$1);
-
- var EXPANDO_KEY = '$chartjs';
- var CSS_PREFIX = 'chartjs-';
- var CSS_SIZE_MONITOR = CSS_PREFIX + 'size-monitor';
- var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor';
- var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation';
- var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart'];
-
- /**
- * DOM event types -> Chart.js event types.
- * Note: only events with different types are mapped.
- * @see https://developer.mozilla.org/en-US/docs/Web/Events
- */
- var EVENT_TYPES = {
- touchstart: 'mousedown',
- touchmove: 'mousemove',
- touchend: 'mouseup',
- pointerenter: 'mouseenter',
- pointerdown: 'mousedown',
- pointermove: 'mousemove',
- pointerup: 'mouseup',
- pointerleave: 'mouseout',
- pointerout: 'mouseout'
- };
-
- /**
- * The "used" size is the final value of a dimension property after all calculations have
- * been performed. This method uses the computed style of `element` but returns undefined
- * if the computed style is not expressed in pixels. That can happen in some cases where
- * `element` has a size relative to its parent and this last one is not yet displayed,
- * for example because of `display: none` on a parent node.
- * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value
- * @returns {number} Size in pixels or undefined if unknown.
- */
- function readUsedSize(element, property) {
- var value = helpers$1.getStyle(element, property);
- var matches = value && value.match(/^(\d+)(\.\d+)?px$/);
- return matches ? Number(matches[1]) : undefined;
- }
-
- /**
- * Initializes the canvas style and render size without modifying the canvas display size,
- * since responsiveness is handled by the controller.resize() method. The config is used
- * to determine the aspect ratio to apply in case no explicit height has been specified.
- */
- function initCanvas(canvas, config) {
- var style = canvas.style;
-
- // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it
- // returns null or '' if no explicit value has been set to the canvas attribute.
- var renderHeight = canvas.getAttribute('height');
- var renderWidth = canvas.getAttribute('width');
-
- // Chart.js modifies some canvas values that we want to restore on destroy
- canvas[EXPANDO_KEY] = {
- initial: {
- height: renderHeight,
- width: renderWidth,
- style: {
- display: style.display,
- height: style.height,
- width: style.width
- }
- }
- };
-
- // Force canvas to display as block to avoid extra space caused by inline
- // elements, which would interfere with the responsive resize process.
- // https://github.com/chartjs/Chart.js/issues/2538
- style.display = style.display || 'block';
-
- if (renderWidth === null || renderWidth === '') {
- var displayWidth = readUsedSize(canvas, 'width');
- if (displayWidth !== undefined) {
- canvas.width = displayWidth;
- }
- }
-
- if (renderHeight === null || renderHeight === '') {
- if (canvas.style.height === '') {
- // If no explicit render height and style height, let's apply the aspect ratio,
- // which one can be specified by the user but also by charts as default option
- // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2.
- canvas.height = canvas.width / (config.options.aspectRatio || 2);
- } else {
- var displayHeight = readUsedSize(canvas, 'height');
- if (displayWidth !== undefined) {
- canvas.height = displayHeight;
- }
- }
- }
-
- return canvas;
- }
-
- /**
- * Detects support for options object argument in addEventListener.
- * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support
- * @private
- */
- var supportsEventListenerOptions = (function() {
- var supports = false;
- try {
- var options = Object.defineProperty({}, 'passive', {
- // eslint-disable-next-line getter-return
- get: function() {
- supports = true;
- }
- });
- window.addEventListener('e', null, options);
- } catch (e) {
- // continue regardless of error
- }
- return supports;
- }());
-
- // Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events.
- // https://github.com/chartjs/Chart.js/issues/4287
- var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;
-
- function addListener(node, type, listener) {
- node.addEventListener(type, listener, eventListenerOptions);
- }
-
- function removeListener(node, type, listener) {
- node.removeEventListener(type, listener, eventListenerOptions);
- }
-
- function createEvent(type, chart, x, y, nativeEvent) {
- return {
- type: type,
- chart: chart,
- native: nativeEvent || null,
- x: x !== undefined ? x : null,
- y: y !== undefined ? y : null,
- };
- }
-
- function fromNativeEvent(event, chart) {
- var type = EVENT_TYPES[event.type] || event.type;
- var pos = helpers$1.getRelativePosition(event, chart);
- return createEvent(type, chart, pos.x, pos.y, event);
- }
-
- function throttled(fn, thisArg) {
- var ticking = false;
- var args = [];
-
- return function() {
- args = Array.prototype.slice.call(arguments);
- thisArg = thisArg || this;
-
- if (!ticking) {
- ticking = true;
- helpers$1.requestAnimFrame.call(window, function() {
- ticking = false;
- fn.apply(thisArg, args);
- });
- }
- };
- }
-
- function createDiv(cls) {
- var el = document.createElement('div');
- el.className = cls || '';
- return el;
- }
-
- // Implementation based on https://github.com/marcj/css-element-queries
- function createResizer(handler) {
- var maxSize = 1000000;
-
- // NOTE(SB) Don't use innerHTML because it could be considered unsafe.
- // https://github.com/chartjs/Chart.js/issues/5902
- var resizer = createDiv(CSS_SIZE_MONITOR);
- var expand = createDiv(CSS_SIZE_MONITOR + '-expand');
- var shrink = createDiv(CSS_SIZE_MONITOR + '-shrink');
-
- expand.appendChild(createDiv());
- shrink.appendChild(createDiv());
-
- resizer.appendChild(expand);
- resizer.appendChild(shrink);
- resizer._reset = function() {
- expand.scrollLeft = maxSize;
- expand.scrollTop = maxSize;
- shrink.scrollLeft = maxSize;
- shrink.scrollTop = maxSize;
- };
-
- var onScroll = function() {
- resizer._reset();
- handler();
- };
-
- addListener(expand, 'scroll', onScroll.bind(expand, 'expand'));
- addListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink'));
-
- return resizer;
- }
-
- // https://davidwalsh.name/detect-node-insertion
- function watchForRender(node, handler) {
- var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});
- var proxy = expando.renderProxy = function(e) {
- if (e.animationName === CSS_RENDER_ANIMATION) {
- handler();
- }
- };
-
- helpers$1.each(ANIMATION_START_EVENTS, function(type) {
- addListener(node, type, proxy);
- });
-
- // #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class
- // is removed then added back immediately (same animation frame?). Accessing the
- // `offsetParent` property will force a reflow and re-evaluate the CSS animation.
- // https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics
- // https://github.com/chartjs/Chart.js/issues/4737
- expando.reflow = !!node.offsetParent;
-
- node.classList.add(CSS_RENDER_MONITOR);
- }
-
- function unwatchForRender(node) {
- var expando = node[EXPANDO_KEY] || {};
- var proxy = expando.renderProxy;
-
- if (proxy) {
- helpers$1.each(ANIMATION_START_EVENTS, function(type) {
- removeListener(node, type, proxy);
- });
-
- delete expando.renderProxy;
- }
-
- node.classList.remove(CSS_RENDER_MONITOR);
- }
-
- function addResizeListener(node, listener, chart) {
- var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});
-
- // Let's keep track of this added resizer and thus avoid DOM query when removing it.
- var resizer = expando.resizer = createResizer(throttled(function() {
- if (expando.resizer) {
- var container = chart.options.maintainAspectRatio && node.parentNode;
- var w = container ? container.clientWidth : 0;
- listener(createEvent('resize', chart));
- if (container && container.clientWidth < w && chart.canvas) {
- // If the container size shrank during chart resize, let's assume
- // scrollbar appeared. So we resize again with the scrollbar visible -
- // effectively making chart smaller and the scrollbar hidden again.
- // Because we are inside `throttled`, and currently `ticking`, scroll
- // events are ignored during this whole 2 resize process.
- // If we assumed wrong and something else happened, we are resizing
- // twice in a frame (potential performance issue)
- listener(createEvent('resize', chart));
- }
- }
- }));
-
- // The resizer needs to be attached to the node parent, so we first need to be
- // sure that `node` is attached to the DOM before injecting the resizer element.
- watchForRender(node, function() {
- if (expando.resizer) {
- var container = node.parentNode;
- if (container && container !== resizer.parentNode) {
- container.insertBefore(resizer, container.firstChild);
- }
-
- // The container size might have changed, let's reset the resizer state.
- resizer._reset();
- }
- });
- }
-
- function removeResizeListener(node) {
- var expando = node[EXPANDO_KEY] || {};
- var resizer = expando.resizer;
-
- delete expando.resizer;
- unwatchForRender(node);
-
- if (resizer && resizer.parentNode) {
- resizer.parentNode.removeChild(resizer);
- }
- }
-
- /**
- * Injects CSS styles inline if the styles are not already present.
- * @param {HTMLDocument|ShadowRoot} rootNode - the node to contain the