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tahoma2d/toonz/sources/toonzlib/fill.cpp
manongjohn 9620e185be Fix temp fillgap indicators not disappearing
2022-04-07 13:07:30 -04:00

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#include "trastercm.h"
#include "toonz/fill.h"
#include "toonz/ttilesaver.h"
#include "tpalette.h"
#include "tpixelutils.h"
#include "toonz/autoclose.h"
#include "tenv.h"
#include "tropcm.h"
#include "toonz/txsheet.h"
#include "toonz/txshcell.h"
#include "toonz/txshsimplelevel.h"
#include "toonz/toonzscene.h"
#include "toonz/tcamera.h"
#include <stack>
extern TEnv::DoubleVar AutocloseDistance;
extern TEnv::DoubleVar AutocloseAngle;
extern TEnv::IntVar AutocloseInk;
extern TEnv::IntVar AutocloseOpacity;
//-----------------------------------------------------------------------------
namespace { // Utility Function
//-----------------------------------------------------------------------------
inline TPoint nearestInkNotDiagonal(const TRasterCM32P &r, const TPoint &p) {
TPixelCM32 *buf = (TPixelCM32 *)r->pixels(p.y) + p.x;
if (p.x < r->getLx() - 1 && (!(buf + 1)->isPurePaint()))
return TPoint(p.x + 1, p.y);
if (p.x > 0 && (!(buf - 1)->isPurePaint())) return TPoint(p.x - 1, p.y);
if (p.y < r->getLy() - 1 && (!(buf + r->getWrap())->isPurePaint()))
return TPoint(p.x, p.y + 1);
if (p.y > 0 && (!(buf - r->getWrap())->isPurePaint()))
return TPoint(p.x, p.y - 1);
return TPoint(-1, -1);
}
//
// from point x, y expands to the rightand left.
// the redrawn line goes from* xa to* xb inclusive
// x1 <= *xa <= *xb <= x2
// N.B. if not even one pixel is drawn* xa > * xb
//
// "prevailing" is set to false on revert-filling the border of
// region in the Rectangular, Freehand and Polyline fill procedures
// in order to make the paint to protlude behind the line.
// Calculates the endpoints for the line of pixels in which to fill
bool calcFillRow(const TRasterCM32P &r, const TPoint &p, int &xa, int &xb,
int paint, TPalette *palette, bool prevailing = true,
bool emptyOnly = false) {
int tone, oldtone;
TPixelCM32 *pix, *pix0, *limit, *tmp_limit;
/* vai a destra */
TPixelCM32 *line = r->pixels(p.y);
pix0 = line + p.x;
pix = pix0;
limit = line + r->getBounds().x1;
oldtone = pix->getTone();
tone = oldtone;
for (; pix <= limit; pix++) {
if (pix->getPaint() == paint) break;
if (emptyOnly && pix->getPaint() != 0) break;
tone = pix->getTone();
if (tone == 0) break;
// prevent fill area from protruding behind the colored line
if (tone > oldtone) {
// not-yet-colored line case
if (prevailing && !pix->isPurePaint() && pix->getInk() != pix->getPaint())
break;
while (pix != pix0) {
// iterate back in order to leave the pixel with the lowest tone
// unpainted
pix--;
// make the one-pixel-width semi-transparent line to be painted
if (prevailing && pix->getInk() != pix->getPaint()) break;
if (pix->getTone() > oldtone) {
// check if the current pixel is NOT with the lowest tone among the
// vertical neighbors as well
if (p.y > 0 && p.y < r->getLy() - 1) {
TPixelCM32 *upPix = pix - r->getWrap();
TPixelCM32 *downPix = pix + r->getWrap();
if (upPix->getTone() > pix->getTone() &&
downPix->getTone() > pix->getTone())
continue;
}
break;
}
}
pix++;
break;
}
oldtone = tone;
}
if (tone == 0) {
tmp_limit = pix + 10; // edge stop fill == 10 per default
if (limit > tmp_limit) limit = tmp_limit;
for (; pix <= limit; pix++) {
if (pix->getPaint() == paint) break;
if (pix->getTone() != 0) break;
}
}
xb = p.x + pix - pix0 - 1;
/* go left */
pix = pix0;
limit = line + r->getBounds().x0;
oldtone = pix->getTone();
tone = oldtone;
for (pix--; pix >= limit; pix--) {
if (pix->getPaint() == paint) break;
if (emptyOnly && pix->getPaint() != 0) break;
tone = pix->getTone();
if (tone == 0) break;
// prevent fill area from protruding behind the colored line
if (tone > oldtone) {
// not-yet-colored line case
if (prevailing && !pix->isPurePaint() && pix->getInk() != pix->getPaint())
break;
while (pix != pix0) {
// iterate forward in order to leave the pixel with the lowest tone
// unpainted
pix++;
// make the one-pixel-width semi-transparent line to be painted
if (prevailing && pix->getInk() != pix->getPaint()) break;
if (pix->getTone() > oldtone) {
// check if the current pixel is NOT with the lowest tone among the
// vertical neighbors as well
if (p.y > 0 && p.y < r->getLy() - 1) {
TPixelCM32 *upPix = pix - r->getWrap();
TPixelCM32 *downPix = pix + r->getWrap();
if (upPix->getTone() > pix->getTone() &&
downPix->getTone() > pix->getTone())
continue;
}
break;
}
}
pix--;
break;
}
oldtone = tone;
}
if (tone == 0) {
tmp_limit = pix - 10;
if (limit < tmp_limit) limit = tmp_limit;
for (; pix >= limit; pix--) {
if (pix->getPaint() == paint) break;
if (pix->getTone() != 0) break;
}
}
xa = p.x + pix - pix0 + 1;
return (xb >= xa);
}
//-----------------------------------------------------------------------------
void findSegment(const TRaster32P &r, const TPoint &p, int &xa, int &xb,
const TPixel32 &color, const int fillDepth = 254) {
int matte, oldmatte;
TPixel32 *pix, *pix0, *limit, *tmp_limit;
/* vai a destra */
TPixel32 *line = r->pixels(p.y);
pix0 = line + p.x;
pix = pix0;
limit = line + r->getBounds().x1;
oldmatte = pix->m;
matte = oldmatte;
for (; pix <= limit; pix++) {
if (*pix == color) break;
matte = pix->m;
if (matte < oldmatte || matte > fillDepth) break;
oldmatte = matte;
}
if (matte == 0) {
tmp_limit = pix + 10; // edge stop fill == 10 per default
if (limit > tmp_limit) limit = tmp_limit;
for (; pix <= limit; pix++) {
if (*pix == color) break;
if (pix->m != 255) break;
}
}
xb = p.x + pix - pix0 - 1;
/* vai a sinistra */
pix = pix0;
limit = line + r->getBounds().x0;
oldmatte = pix->m;
matte = oldmatte;
for (; pix >= limit; pix--) {
if (*pix == color) break;
matte = pix->m;
if (matte < oldmatte || matte > fillDepth) break;
oldmatte = matte;
}
if (matte == 0) {
tmp_limit = pix - 10;
if (limit < tmp_limit) limit = tmp_limit;
for (; pix >= limit; pix--) {
if (*pix == color) break;
if (pix->m != 255) break;
}
}
xa = p.x + pix - pix0 + 1;
}
//-----------------------------------------------------------------------------
// Used when the clicked pixel is solid or semi-transparent.
// Check if the fill is stemmed at the target pixel.
// Note that RGB values are used for checking the difference, not Alpha value.
bool doesStemFill(const TPixel32 &clickColor, const TPixel32 *targetPix,
const int fillDepth2) {
// stop if the target pixel is transparent
if (targetPix->m == 0) return true;
// check difference of RGB values is larger than fillDepth
int dr = (int)clickColor.r - (int)targetPix->r;
int dg = (int)clickColor.g - (int)targetPix->g;
int db = (int)clickColor.b - (int)targetPix->b;
return (dr * dr + dg * dg + db * db) >
fillDepth2; // condition for "stem" the fill
}
//-----------------------------------------------------------------------------
void fullColorFindSegment(const TRaster32P &r, const TPoint &p, int &xa,
int &xb, const TPixel32 &color,
const TPixel32 &clickedPosColor,
const int fillDepth) {
if (clickedPosColor.m == 0) {
findSegment(r, p, xa, xb, color, fillDepth);
return;
}
TPixel32 *pix, *pix0, *limit;
// check to the right
TPixel32 *line = r->pixels(p.y);
pix0 = line + p.x; // seed pixel
pix = pix0;
limit = line + r->getBounds().x1; // right end
TPixel32 oldPix = *pix;
int fillDepth2 = fillDepth * fillDepth;
for (; pix <= limit; pix++) {
// break if the target pixel is with the same as filling color
if (*pix == color) break;
// continue if the target pixel is the same as the previous one
if (*pix == oldPix) continue;
if (doesStemFill(clickedPosColor, pix, fillDepth2)) break;
// store pixel color in case if the next pixel is with the same color
oldPix = *pix;
}
xb = p.x + pix - pix0 - 1;
// check to the left
pix = pix0; // seed pixel
limit = line + r->getBounds().x0; // left end
oldPix = *pix;
for (; pix >= limit; pix--) {
// break if the target pixel is with the same as filling color
if (*pix == color) break;
// continue if the target pixel is the same as the previous one
if (*pix == oldPix) continue;
if (doesStemFill(clickedPosColor, pix, fillDepth2)) break;
// store pixel color in case if the next pixel is with the same color
oldPix = *pix;
}
xa = p.x + pix - pix0 + 1;
}
//-----------------------------------------------------------------------------
bool calcRefFillRow(TRaster32P &refRas, const TPoint &p, int &xa, int &xb,
const TPixel32 &color, const TPixel32 &clickedPosColor,
const int fillDepth = 254) {
fullColorFindSegment(refRas, p, xa, xb, color, clickedPosColor, fillDepth);
return (xb >= xa);
}
//-----------------------------------------------------------------------------
class FillSeed {
public:
int m_xa, m_xb;
int m_y, m_dy;
FillSeed(int xa, int xb, int y, int dy)
: m_xa(xa), m_xb(xb), m_y(y), m_dy(dy) {}
};
//-----------------------------------------------------------------------------
inline int threshTone(const TPixelCM32 &pix, int fillDepth) {
if (fillDepth == TPixelCM32::getMaxTone())
return pix.getTone();
else
return ((pix.getTone()) > fillDepth) ? TPixelCM32::getMaxTone()
: pix.getTone();
}
void fillRow(const TRasterCM32P &r, const TPoint &p, int xa, int xb, int paint,
TPalette *palette, TTileSaverCM32 *saver) {
/* vai a destra */
TPixelCM32 *line = r->pixels(p.y);
TPixelCM32 *pix = line + p.x;
if (saver) saver->save(TRect(xa, p.y, xb, p.y));
if (xb >= xa) {
pix = line + xa;
int n;
for (n = 0; n < xb - xa + 1; n++, pix++) {
if (palette && pix->isPurePaint()) {
TPoint pInk = nearestInkNotDiagonal(r, TPoint(xa + n, p.y));
if (pInk != TPoint(-1, -1)) {
TPixelCM32 *pixInk =
(TPixelCM32 *)r->getRawData() + (pInk.y * r->getWrap() + pInk.x);
if (pixInk->getInk() != paint &&
palette->getStyle(pixInk->getInk())->getFlags() != 0)
inkFill(r, pInk, paint, 0, saver);
}
}
pix->setPaint(paint);
}
}
}
//-----------------------------------------------------------------------------
inline int threshMatte(int matte, int fillDepth) {
if (fillDepth == 255)
return matte;
else
return (matte < fillDepth) ? 255 : matte;
}
//-----------------------------------------------------------------------------
bool isPixelInSegment(const std::vector<std::pair<int, int>> &segments, int x) {
for (int i = 0; i < (int)segments.size(); i++) {
std::pair<int, int> segment = segments[i];
if (segment.first <= x && x <= segment.second) return true;
}
return false;
}
//-----------------------------------------------------------------------------
void insertSegment(std::vector<std::pair<int, int>> &segments,
const std::pair<int, int> segment) {
for (int i = segments.size() - 1; i >= 0; i--) {
std::pair<int, int> app = segments[i];
if (segment.first <= app.first && app.second <= segment.second)
segments.erase(segments.begin() + i);
}
segments.push_back(segment);
}
//-----------------------------------------------------------------------------
bool floodCheck(const TPixel32 &clickColor, const TPixel32 *targetPix,
const TPixel32 *oldPix, const int fillDepth) {
auto fullColorThreshMatte = [](int matte, int fillDepth) -> int {
return (matte <= fillDepth) ? matte : 255;
};
if (clickColor.m == 0) {
int oldMatte = fullColorThreshMatte(oldPix->m, fillDepth);
int matte = fullColorThreshMatte(targetPix->m, fillDepth);
return matte >= oldMatte && matte != 255;
}
int fillDepth2 = fillDepth * fillDepth;
return !doesStemFill(clickColor, targetPix, fillDepth2);
}
//-----------------------------------------------------------------------------
} // namespace
//-----------------------------------------------------------------------------
/*-- The return value is whether the saveBox has been updated --*/
bool fill(const TRasterCM32P &r, const FillParameters &params,
TTileSaverCM32 *saver, bool fillGaps, bool closeGaps,
int closeStyleIndex, double autoCloseDistance, TXsheet *xsheet,
int frameIndex) {
auto fullColorThreshMatte = [](int matte, int fillDepth) -> int {
return (matte <= fillDepth) ? matte : 255;
};
TPixelCM32 *pix, *limit, *pix0, *oldpix;
TPixel32 *refpix, *oldrefpix;
int oldy, xa, xb, xc, xd, dy;
int oldxc, oldxd;
int tone, oldtone;
TPoint p = params.m_p;
int x = p.x, y = p.y;
int paint = params.m_styleId;
int fillDepth =
params.m_shiftFill ? params.m_maxFillDepth : params.m_minFillDepth;
TRasterCM32P tempRaster;
int styleIndex = 4094;
int fakeStyleIndex = 4095;
if (autoCloseDistance < 0.0) autoCloseDistance = AutocloseDistance;
if (fillGaps) {
tempRaster = r->clone();
fillGaps = TAutocloser(tempRaster, autoCloseDistance, AutocloseAngle,
styleIndex, AutocloseOpacity)
.exec();
}
if (!fillGaps) {
tempRaster = r;
}
/*-- getBounds --*/
TRect bbbox = tempRaster->getBounds();
/*- Return for off-screen clicks -*/
if (!bbbox.contains(p)) return false;
/*- Return if the same color is already painted -*/
int paintAtClickedPos = (tempRaster->pixels(p.y) + p.x)->getPaint();
if (paintAtClickedPos == paint) return false;
/*- If the "Paint only transparent area" option is enabled and it is already
* colored, return
* -*/
if (params.m_emptyOnly && (tempRaster->pixels(p.y) + p.x)->getPaint() != 0)
return false;
TRaster32P refRaster(bbbox.getSize());
TPixel32 clickedPosColor, color(255, 255, 255);
std::map<int, std::vector<std::pair<int, int>>> segments;
if (xsheet) {
ToonzScene *scene = xsheet->getScene();
TCamera *camera = scene->getCurrentCamera();
TRaster32P tmpRaster(camera->getRes());
// Render for reference
scene->renderFrame(tmpRaster, frameIndex, xsheet, false, false, true);
refRaster->lock();
TPoint offset((params.m_imageSize.lx - tmpRaster->getLx()) / 2,
(params.m_imageSize.ly - tmpRaster->getLy()) / 2);
offset -= params.m_imageOffset;
refRaster->fill(color);
refRaster->copy(tmpRaster, offset);
refpix = refRaster->pixels(p.y) + p.x;
clickedPosColor = *refpix;
if (params.m_emptyOnly && clickedPosColor != TPixel32(0, 0, 0, 0)) {
refRaster->unlock();
return false;
}
}
assert(fillDepth >= 0 && fillDepth < 16);
if (xsheet)
fillDepth = ((15 - fillDepth) << 4) | (15 - fillDepth);
else
switch (TPixelCM32::getMaxTone()) {
case 15:
fillDepth = (15 - fillDepth);
break;
case 255:
fillDepth = ((15 - fillDepth) << 4) | (15 - fillDepth);
break;
default:
assert(false);
}
/*-- Look at the colors in the four corners and update the saveBox if even one
* changes --*/
TPixelCM32 borderIndex[4];
TPixelCM32 *borderPix[4];
pix = tempRaster->pixels(0);
borderPix[0] = pix;
borderIndex[0] = *pix;
pix += tempRaster->getLx() - 1;
borderPix[1] = pix;
borderIndex[1] = *pix;
pix = tempRaster->pixels(tempRaster->getLy() - 1);
borderPix[2] = pix;
borderIndex[2] = *pix;
pix += tempRaster->getLx() - 1;
borderPix[3] = pix;
borderIndex[3] = *pix;
std::stack<FillSeed> seeds;
bool fillIt =
!xsheet ? calcFillRow(tempRaster, p, xa, xb, paint, params.m_palette,
params.m_prevailing, params.m_emptyOnly)
: calcRefFillRow(refRaster, p, xa, xb, color, clickedPosColor,
fillDepth);
if (fillIt) fillRow(tempRaster, p, xa, xb, paint, params.m_palette, saver);
if (xsheet) segments[y].push_back(std::pair<int, int>(xa, xb));
seeds.push(FillSeed(xa, xb, y, 1));
seeds.push(FillSeed(xa, xb, y, -1));
// Set the ink on gaps that were used to 4095
{
TPixelCM32 *tempPix = tempRaster->pixels(0);
tempPix += (y * tempRaster->getLx()) + xa - 1;
int i = xa;
while (i <= xb) {
if (tempPix->getInk() == styleIndex) {
tempPix->setInk(fakeStyleIndex);
}
tempPix++;
i++;
}
}
while (!seeds.empty()) {
FillSeed fs = seeds.top();
seeds.pop();
xa = fs.m_xa;
xb = fs.m_xb;
oldy = fs.m_y;
dy = fs.m_dy;
y = oldy + dy;
if (y > bbbox.y1 || y < bbbox.y0) continue;
pix = pix0 = tempRaster->pixels(y) + xa;
limit = tempRaster->pixels(y) + xb;
oldpix = tempRaster->pixels(oldy) + xa;
x = xa;
oldxd = (std::numeric_limits<int>::min)();
oldxc = (std::numeric_limits<int>::max)();
if (xsheet) {
refpix = refRaster->pixels(y) + xa;
oldrefpix = refRaster->pixels(oldy) + xa;
}
while (pix <= limit) {
bool canPaint = false;
if (!xsheet) {
oldtone = threshTone(*oldpix, fillDepth);
tone = threshTone(*pix, fillDepth);
// the last condition is added in order to prevent fill area from
// protruding behind the colored line
canPaint = pix->getPaint() != paint && tone <= oldtone &&
(!params.m_emptyOnly || pix->getPaint() == 0) && tone != 0 &&
(pix->getPaint() != pix->getInk() ||
pix->getPaint() == paintAtClickedPos);
} else {
bool test = false;
if (segments.find(y) != segments.end())
test = isPixelInSegment(segments[y], x);
canPaint = *refpix != color && !test &&
floodCheck(clickedPosColor, refpix, oldrefpix, fillDepth);
}
if (canPaint) {
bool fillIt = !xsheet
? calcFillRow(tempRaster, TPoint(x, y), xc, xd, paint,
params.m_palette, params.m_prevailing)
: calcRefFillRow(refRaster, TPoint(x, y), xc, xd,
color, clickedPosColor, fillDepth);
if (fillIt)
fillRow(tempRaster, TPoint(x, y), xc, xd, paint, params.m_palette,
saver);
if (xsheet) insertSegment(segments[y], std::pair<int, int>(xc, xd));
// Set the ink on gaps that were used to 4095
{
TPixelCM32 *tempPix = tempRaster->pixels(0);
tempPix += (y * tempRaster->getLx()) + xa - 1;
int i = xa;
while (i <= xb) {
if (tempPix->getInk() == styleIndex) {
tempPix->setInk(fakeStyleIndex);
}
tempPix++;
i++;
}
}
if (xc < xa) seeds.push(FillSeed(xc, xa - 1, y, -dy));
if (xd > xb) seeds.push(FillSeed(xb + 1, xd, y, -dy));
if (oldxd >= xc - 1)
oldxd = xd;
else {
if (oldxd >= 0) seeds.push(FillSeed(oldxc, oldxd, y, dy));
oldxc = xc;
oldxd = xd;
}
pix += xd - x + 1;
oldpix += xd - x + 1;
if (xsheet) {
refpix += xd - x + 1;
oldrefpix += xd - x + 1;
}
x += xd - x + 1;
} else {
pix++;
oldpix++, x++;
if (xsheet) {
refpix++;
oldrefpix++;
}
}
}
if (oldxd > 0) seeds.push(FillSeed(oldxc, oldxd, y, dy));
}
bool saveBoxChanged = false;
if (xsheet) {
refRaster->unlock();
saveBoxChanged = true;
} else {
for (int i = 0; i < 4; i++) {
if (!((*borderPix[i]) == borderIndex[i])) {
saveBoxChanged = true;
break;
}
}
}
if (fillGaps) {
TPixelCM32 *tempPix = tempRaster->pixels();
TPixelCM32 *keepPix = r->pixels();
for (int tempY = 0; tempY < tempRaster->getLy(); tempY++) {
for (int tempX = 0; tempX < tempRaster->getLx();
tempX++, tempPix++, keepPix++) {
if (tempPix->getInk() != styleIndex)
keepPix->setPaint(tempPix->getPaint());
// This next line takes care of autopaint lines
if (tempPix->getInk() != styleIndex) {
if (closeGaps && tempPix->getInk() == fakeStyleIndex) {
keepPix->setInk(closeStyleIndex);
keepPix->setTone(tempPix->getTone());
} else if (tempPix->getInk() != fakeStyleIndex) {
keepPix->setInk(tempPix->getInk());
}
}
}
}
}
return saveBoxChanged;
}
//-----------------------------------------------------------------------------
void fill(const TRaster32P &ras, const TRaster32P &ref,
const FillParameters &params, TTileSaverFullColor *saver) {
TPixel32 *pix, *limit, *pix0, *oldpix;
int oldy, xa, xb, xc, xd, dy;
int oldxc, oldxd;
int matte, oldMatte;
int x = params.m_p.x, y = params.m_p.y;
TRaster32P workRas = ref ? ref : ras;
TRect bbbox = workRas->getBounds();
if (!bbbox.contains(params.m_p)) return;
TPaletteP plt = params.m_palette;
TPixel32 color = plt->getStyle(params.m_styleId)->getMainColor();
int fillDepth =
params.m_shiftFill ? params.m_maxFillDepth : params.m_minFillDepth;
assert(fillDepth >= 0 && fillDepth < 16);
fillDepth = ((15 - fillDepth) << 4) | (15 - fillDepth);
// looking for any pure transparent pixel along the border; if after filling
// that pixel will be changed,
// it means that I filled the bg and the savebox needs to be recomputed!
TPixel32 borderIndex;
TPixel32 *borderPix = 0;
pix = workRas->pixels(0);
int i;
for (i = 0; i < workRas->getLx(); i++, pix++) // border down
if (pix->m == 0) {
borderIndex = *pix;
borderPix = pix;
break;
}
if (borderPix == 0) // not found in border down...try border up (avoid left
// and right borders...so unlikely)
{
pix = workRas->pixels(workRas->getLy() - 1);
for (i = 0; i < workRas->getLx(); i++, pix++) // border up
if (pix->m == 0) {
borderIndex = *pix;
borderPix = pix;
break;
}
}
std::stack<FillSeed> seeds;
std::map<int, std::vector<std::pair<int, int>>> segments;
// fillRow(r, params.m_p, xa, xb, color ,saver);
findSegment(workRas, params.m_p, xa, xb, color);
segments[y].push_back(std::pair<int, int>(xa, xb));
seeds.push(FillSeed(xa, xb, y, 1));
seeds.push(FillSeed(xa, xb, y, -1));
while (!seeds.empty()) {
FillSeed fs = seeds.top();
seeds.pop();
xa = fs.m_xa;
xb = fs.m_xb;
oldy = fs.m_y;
dy = fs.m_dy;
y = oldy + dy;
if (y > bbbox.y1 || y < bbbox.y0) continue;
pix = pix0 = workRas->pixels(y) + xa;
limit = workRas->pixels(y) + xb;
oldpix = workRas->pixels(oldy) + xa;
x = xa;
oldxd = (std::numeric_limits<int>::min)();
oldxc = (std::numeric_limits<int>::max)();
while (pix <= limit) {
oldMatte = threshMatte(oldpix->m, fillDepth);
matte = threshMatte(pix->m, fillDepth);
bool test = false;
if (segments.find(y) != segments.end())
test = isPixelInSegment(segments[y], x);
if (*pix != color && !test && matte >= oldMatte && matte != 255) {
findSegment(workRas, TPoint(x, y), xc, xd, color);
// segments[y].push_back(std::pair<int,int>(xc, xd));
insertSegment(segments[y], std::pair<int, int>(xc, xd));
if (xc < xa) seeds.push(FillSeed(xc, xa - 1, y, -dy));
if (xd > xb) seeds.push(FillSeed(xb + 1, xd, y, -dy));
if (oldxd >= xc - 1)
oldxd = xd;
else {
if (oldxd >= 0) seeds.push(FillSeed(oldxc, oldxd, y, dy));
oldxc = xc;
oldxd = xd;
}
pix += xd - x + 1;
oldpix += xd - x + 1;
x += xd - x + 1;
} else {
pix++;
oldpix++, x++;
}
}
if (oldxd > 0) seeds.push(FillSeed(oldxc, oldxd, y, dy));
}
std::map<int, std::vector<std::pair<int, int>>>::iterator it;
for (it = segments.begin(); it != segments.end(); it++) {
TPixel32 *line = ras->pixels(it->first);
TPixel32 *refLine = 0;
TPixel32 *refPix;
if (ref) refLine = ref->pixels(it->first);
std::vector<std::pair<int, int>> segmentVector = it->second;
for (int i = 0; i < (int)segmentVector.size(); i++) {
std::pair<int, int> segment = segmentVector[i];
if (segment.second >= segment.first) {
pix = line + segment.first;
if (ref) refPix = refLine + segment.first;
int n;
for (n = 0; n < segment.second - segment.first + 1; n++, pix++) {
if (ref) {
*pix = *refPix;
refPix++;
} else
*pix = pix->m == 0 ? color : overPix(color, *pix);
}
}
}
}
}
//-----------------------------------------------------------------------------
static void rectFill(const TRaster32P &ras, const TRect &r,
const TPixel32 &color) {}
//-----------------------------------------------------------------------------
static TPoint nearestInk(const TRasterCM32P &r, const TPoint &p, int ray) {
int i, j;
TPixelCM32 *buf = (TPixelCM32 *)r->getRawData();
for (j = std::max(p.y - ray, 0); j <= std::min(p.y + ray, r->getLy() - 1);
j++)
for (i = std::max(p.x - ray, 0); i <= std::min(p.x + ray, r->getLx() - 1);
i++)
if (!(buf + j * r->getWrap() + i)->isPurePaint()) return TPoint(i, j);
return TPoint(-1, -1);
}
//-----------------------------------------------------------------------------
void inkFill(const TRasterCM32P &r, const TPoint &pin, int ink, int searchRay,
TTileSaverCM32 *saver, TRect *insideRect) {
r->lock();
TPixelCM32 *pixels = (TPixelCM32 *)r->getRawData();
int oldInk;
TPoint p = pin;
if ((pixels + p.y * r->getWrap() + p.x)->isPurePaint() &&
(searchRay == 0 || (p = nearestInk(r, p, searchRay)) == TPoint(-1, -1))) {
r->unlock();
return;
}
TPixelCM32 *pix = pixels + (p.y * r->getWrap() + p.x);
if (pix->getInk() == ink) {
r->unlock();
return;
}
oldInk = pix->getInk();
std::stack<TPoint> seeds;
seeds.push(p);
while (!seeds.empty()) {
p = seeds.top();
seeds.pop();
if (!r->getBounds().contains(p)) continue;
if (insideRect && !insideRect->contains(p)) continue;
TPixelCM32 *pix = pixels + (p.y * r->getWrap() + p.x);
if (pix->isPurePaint() || pix->getInk() != oldInk) continue;
if (saver) saver->save(p);
pix->setInk(ink);
seeds.push(TPoint(p.x - 1, p.y - 1));
seeds.push(TPoint(p.x - 1, p.y));
seeds.push(TPoint(p.x - 1, p.y + 1));
seeds.push(TPoint(p.x, p.y - 1));
seeds.push(TPoint(p.x, p.y + 1));
seeds.push(TPoint(p.x + 1, p.y - 1));
seeds.push(TPoint(p.x + 1, p.y));
seeds.push(TPoint(p.x + 1, p.y + 1));
}
r->unlock();
}
//-----------------------------------------------------------------------------
void fullColorFill(const TRaster32P &ras, const FillParameters &params,
TTileSaverFullColor *saver, TXsheet *xsheet,
int frameIndex) {
int oldy, xa, xb, xc, xd, dy, oldxd, oldxc;
TPixel32 *pix, *limit, *pix0, *oldpix, *refpix, *oldrefpix;
int x = params.m_p.x, y = params.m_p.y;
TRect bbbox = ras->getBounds();
if (!bbbox.contains(params.m_p)) return;
TPixel32 clickedPosColor = *(ras->pixels(y) + x);
TPaletteP plt = params.m_palette;
TPixel32 color = plt->getStyle(params.m_styleId)->getMainColor();
if (clickedPosColor == color) return;
TRaster32P refRas(bbbox.getSize());
if (xsheet) {
ToonzScene *scene = xsheet->getScene();
TCamera *camera = scene->getCurrentCamera();
TRaster32P tmpRaster(camera->getRes());
scene->renderFrame(tmpRaster, frameIndex, xsheet, false, false, true);
refRas->lock();
TPoint offset((refRas->getLx() - tmpRaster->getLx()) / 2,
(refRas->getLy() - tmpRaster->getLy()) / 2);
refRas->fill(color);
refRas->copy(tmpRaster, offset);
clickedPosColor = *(refRas->pixels(y) + x);
}
int fillDepth =
params.m_shiftFill ? params.m_maxFillDepth : params.m_minFillDepth;
assert(fillDepth >= 0 && fillDepth < 16);
TPointD m_firstPoint, m_clickPoint;
// convert fillDepth range from [0 - 15] to [0 - 255]
fillDepth = (fillDepth << 4) | fillDepth;
std::stack<FillSeed> seeds;
std::map<int, std::vector<std::pair<int, int>>> segments;
if (!xsheet)
fullColorFindSegment(ras, params.m_p, xa, xb, color, clickedPosColor,
fillDepth);
else
fullColorFindSegment(refRas, params.m_p, xa, xb, color, clickedPosColor,
fillDepth);
segments[y].push_back(std::pair<int, int>(xa, xb));
seeds.push(FillSeed(xa, xb, y, 1));
seeds.push(FillSeed(xa, xb, y, -1));
while (!seeds.empty()) {
FillSeed fs = seeds.top();
seeds.pop();
xa = fs.m_xa;
xb = fs.m_xb;
oldy = fs.m_y;
dy = fs.m_dy;
y = oldy + dy;
// continue if the fill runs over image bounding
if (y > bbbox.y1 || y < bbbox.y0) continue;
// left end of the pixels to be filled
pix = pix0 = ras->pixels(y) + xa;
// right end of the pixels to be filled
limit = ras->pixels(y) + xb;
// left end of the fill seed pixels
oldpix = ras->pixels(oldy) + xa;
if (xsheet) {
refpix = refRas->pixels(y) + xa;
oldrefpix = refRas->pixels(oldy) + xa;
}
x = xa;
oldxd = (std::numeric_limits<int>::min)();
oldxc = (std::numeric_limits<int>::max)();
// check pixels to right
while (pix <= limit) {
bool test = false;
// check if the target is already in the range to be filled
if (segments.find(y) != segments.end())
test = isPixelInSegment(segments[y], x);
bool canPaint = false;
if (!xsheet)
canPaint = *pix != color && !test &&
floodCheck(clickedPosColor, pix, oldpix, fillDepth);
else
canPaint = *refpix != color && !test &&
floodCheck(clickedPosColor, refpix, oldrefpix, fillDepth);
if (canPaint) {
// compute horizontal range to be filled
if (!xsheet)
fullColorFindSegment(ras, TPoint(x, y), xc, xd, color,
clickedPosColor, fillDepth);
else
fullColorFindSegment(refRas, TPoint(x, y), xc, xd, color,
clickedPosColor, fillDepth);
// insert segment to be filled
insertSegment(segments[y], std::pair<int, int>(xc, xd));
// create new fillSeed to invert direction, if needed
if (xc < xa) seeds.push(FillSeed(xc, xa - 1, y, -dy));
if (xd > xb) seeds.push(FillSeed(xb + 1, xd, y, -dy));
if (oldxd >= xc - 1)
oldxd = xd;
else {
if (oldxd >= 0) seeds.push(FillSeed(oldxc, oldxd, y, dy));
oldxc = xc;
oldxd = xd;
}
// jump to the next pixel to the right end of the range
pix += xd - x + 1;
oldpix += xd - x + 1;
if (xsheet) {
refpix += xd - x + 1;
oldrefpix += xd - x + 1;
}
x += xd - x + 1;
} else {
pix++;
oldpix++, x++;
if (xsheet) {
refpix++;
oldrefpix++;
}
}
}
// insert filled range as new fill seed
if (oldxd > 0) seeds.push(FillSeed(oldxc, oldxd, y, dy));
}
if (xsheet) refRas->unlock();
// pixels are actually filled here
TPixel32 premultiColor = premultiply(color);
std::map<int, std::vector<std::pair<int, int>>>::iterator it;
for (it = segments.begin(); it != segments.end(); it++) {
TPixel32 *line = ras->pixels(it->first);
TPixel32 *refLine = 0;
std::vector<std::pair<int, int>> segmentVector = it->second;
for (int i = 0; i < (int)segmentVector.size(); i++) {
std::pair<int, int> segment = segmentVector[i];
if (segment.second >= segment.first) {
pix = line + segment.first;
if (saver) {
saver->save(
TRect(segment.first, it->first, segment.second, it->first));
}
int n;
for (n = 0; n < segment.second - segment.first + 1; n++, pix++) {
if (clickedPosColor.m == 0)
*pix = pix->m == 0 ? color : overPix(color, *pix);
else if (color.m == 0 || color.m == 255) // used for erasing area
*pix = color;
else
*pix = overPix(*pix, premultiColor);
}
}
}
}
}
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