tahoma2d/toonz/sources/tnztools/stylepicker.cpp
2021-11-22 08:14:52 -05:00

386 lines
12 KiB
C++

#include "tools/stylepicker.h"
#include "tcolorstyles.h"
#include "tstroke.h"
#include "tofflinegl.h"
#include "tvectorrenderdata.h"
#include "tvectorimage.h"
#include "ttoonzimage.h"
#include "trasterimage.h"
#include "toonz/dpiscale.h"
#include "tpixelutils.h"
#include "tregion.h"
#include "toonzqt/gutil.h"
#include <QRect>
//---------------------------------------------------------
StylePicker::StylePicker(const TImageP &image)
: m_image(image), m_palette(image->getPalette()) {}
//---------------------------------------------------------
StylePicker::StylePicker(const TImageP &image, const TPaletteP &palette)
: m_image(image), m_palette(palette) {}
//---------------------------------------------------------
TPoint StylePicker::getRasterPoint(const TPointD &p) const {
if (TToonzImageP ti = m_image) {
// DpiScale dpiScale(ti);
TDimension size = ti->getSize();
return TPoint(tround(0.5 * size.lx + p.x), /// dpiScale.getSx()),
tround(0.5 * size.ly + p.y)); /// dpiScale.getSy()));
} else if (TRasterImageP ri = m_image) {
// DpiScale dpiScale(ri);
TDimension size = ri->getRaster()->getSize();
return TPoint(tround(0.5 * size.lx + p.x), // /dpiScale.getSx()),
tround(0.5 * size.ly + p.y)); // /dpiScale.getSy()));
} else
return TPoint(tround(p.x), tround(p.y));
}
//---------------------------------------------------------
/*-- (StylePickerTool内で)LineとAreaを切り替えてPickできる。mode: 0=Area,
* 1=Line, 2=Line&Areas(default) --*/
int StylePicker::pickStyleId(const TPointD &pos, double radius, double scale2,
int mode) const {
int styleId = 0;
if (TToonzImageP ti = m_image) {
TRasterCM32P ras = ti->getRaster();
TPoint point = getRasterPoint(pos);
if (!ras->getBounds().contains(point)) return -1;
TPixelCM32 col = ras->pixels(point.y)[point.x];
switch (mode) {
case 0: // AREAS
styleId = col.getPaint();
break;
case 1: // LINES
styleId = col.getInk();
break;
case 2: // ALL (Line & Area)
default:
styleId = col.isPurePaint() ? col.getPaint() : col.getInk();
break;
}
} else if (TRasterImageP ri = m_image) {
const TPalette *palette = m_palette.getPointer();
if (!palette) return -1;
TRaster32P ras = ri->getRaster();
if (!ras) return -1;
TPoint point = getRasterPoint(pos);
if (!ras->getBounds().contains(point)) return -1;
TPixel32 col = ras->pixels(point.y)[point.x];
styleId = palette->getClosestStyle(col);
} else if (TVectorImageP vi = m_image) {
// prima cerca lo stile della regione piu' vicina
TRegion *r = vi->getRegion(pos);
if (r) styleId = r->getStyle();
bool strokeFound;
double dist2, w, thick;
UINT index;
//! funzionerebbe ancora meglio con un getNearestStroke che considera
// la thickness, cioe' la min distance dalla outline e non dalla centerLine
strokeFound = vi->getNearestStroke(pos, w, index, dist2);
if (strokeFound) {
int devPixRatio = getDevPixRatio();
dist2 *= scale2;
TStroke *stroke = vi->getStroke(index);
thick = stroke->getThickPoint(w).thick;
double len2 = thick * thick * scale2;
const double minDist2 =
(styleId == 0) ? radius * radius * (double)(devPixRatio * devPixRatio)
: 0;
double checkDist = std::max(minDist2, len2);
if (dist2 < checkDist) {
assert(stroke);
styleId = stroke->getStyle();
}
}
}
return styleId;
}
//---------------------------------------------------------
/*--- Toonz Raster LevelのToneを拾う。 ---*/
int StylePicker::pickTone(const TPointD &pos) const {
if (TToonzImageP ti = m_image) {
TRasterCM32P ras = ti->getRaster();
if (!ras) return -1;
TPoint point = getRasterPoint(pos);
if (!ras->getBounds().contains(point)) return -1;
TPixelCM32 col = ras->pixels(point.y)[point.x];
return col.getTone();
} else
return -1;
}
//---------------------------------------------------------
TPixel32 StylePicker::pickColor(const TPointD &pos, double radius,
double scale2) const {
TToonzImageP ti = m_image;
TRasterImageP ri = m_image;
TVectorImageP vi = m_image;
if (!!ri) // !!ti || !!ri)
{
TRasterP raster;
// if(ti)
// raster = ti->getRGBM(true);
// else
raster = ri->getRaster();
TPoint point = getRasterPoint(pos);
if (!raster->getBounds().contains(point)) return TPixel32::Transparent;
TRaster32P raster32 = raster;
if (raster32) return raster32->pixels(point.y)[point.x];
TRasterGR8P rasterGR8 = raster;
if (rasterGR8) return toPixel32(rasterGR8->pixels(point.y)[point.x]);
} else if (vi) {
const TPalette *palette = m_palette.getPointer();
if (!palette) return TPixel32::Transparent;
int styleId = pickStyleId(pos, radius, scale2);
if (0 <= styleId && styleId < palette->getStyleCount())
return palette->getStyle(styleId)->getAverageColor();
} else if (ti) {
const TPalette *palette = m_palette.getPointer();
if (!palette) return TPixel32::Transparent;
int paintId = pickStyleId(pos, radius, scale2, 0);
int inkId = pickStyleId(pos, radius, scale2, 1);
int tone = pickTone(pos);
TPixel32 ink, paint;
if (0 <= inkId && inkId < palette->getStyleCount())
ink = palette->getStyle(inkId)->getAverageColor();
if (0 <= paintId && paintId < palette->getStyleCount())
paint = palette->getStyle(paintId)->getAverageColor();
if (tone == 0)
return ink;
else if (tone == 255)
return paint;
else
return blend(ink, paint, tone, TPixelCM32::getMaxTone());
}
return TPixel32::Transparent;
}
//---------------------------------------------------------
TPixel64 StylePicker::pickColor16(const TPointD &pos, double radius,
double scale2) const {
TToonzImageP ti = m_image;
TRasterImageP ri = m_image;
TVectorImageP vi = m_image;
assert(ri && !ti && !vi);
if (!ri || ti || vi) return TPixel64::Transparent;
TRasterP raster = ri->getRaster();
if (raster->getPixelSize() != 8) return TPixel64::Transparent;
TPoint point = getRasterPoint(pos);
if (!raster->getBounds().contains(point)) return TPixel64::Transparent;
TRaster64P raster64 = raster;
if (!raster64) return TPixel64::Transparent;
return raster64->pixels(point.y)[point.x];
}
//---------------------------------------------------------
TPixel32 StylePicker::pickAverageColor(const TRectD &rect) const {
TRasterImageP ri = m_image;
assert(ri);
if (!!ri) {
TRasterP raster;
raster = ri->getRaster();
TPoint topLeft = getRasterPoint(rect.getP00());
TPoint bottomRight = getRasterPoint(rect.getP11());
if (!raster->getBounds().overlaps(TRect(topLeft, bottomRight)))
return TPixel32::Transparent;
topLeft.x = std::max(0, topLeft.x);
topLeft.y = std::max(0, topLeft.y);
bottomRight.x = std::min(raster->getLx(), bottomRight.x);
bottomRight.y = std::min(raster->getLy(), bottomRight.y);
TRaster32P raster32 = raster;
assert(raster32);
if (raster32) {
UINT r = 0, g = 0, b = 0, m = 0, size = 0;
for (int y = topLeft.y; y < bottomRight.y; y++) {
TPixel32 *p = &raster32->pixels(y)[topLeft.x];
for (int x = topLeft.x; x < bottomRight.x; x++, p++) {
r += p->r;
g += p->g;
b += p->b;
m += p->m;
size++;
}
}
if (size)
return TPixel32(r / size, g / size, b / size, m / size);
else
return TPixel32::Transparent;
}
}
return TPixel32::Transparent;
}
//---------------------------------------------------------
TPixel64 StylePicker::pickAverageColor16(const TRectD &rect) const {
TRasterImageP ri = m_image;
assert(ri);
if (!ri) return TPixel64::Transparent;
TRasterP raster;
raster = ri->getRaster();
if (raster->getPixelSize() != 8) return TPixel64::Transparent;
TPoint topLeft = getRasterPoint(rect.getP00());
TPoint bottomRight = getRasterPoint(rect.getP11());
if (!raster->getBounds().overlaps(TRect(topLeft, bottomRight)))
return TPixel64::Transparent;
topLeft.x = std::max(0, topLeft.x);
topLeft.y = std::max(0, topLeft.y);
bottomRight.x = std::min(raster->getLx(), bottomRight.x);
bottomRight.y = std::min(raster->getLy(), bottomRight.y);
TRaster64P raster64 = raster;
assert(raster64);
if (!raster64) return TPixel64::Transparent;
UINT r = 0, g = 0, b = 0, m = 0, size = 0;
for (int y = topLeft.y; y < bottomRight.y; y++) {
TPixel64 *p = &raster64->pixels(y)[topLeft.x];
for (int x = topLeft.x; x < bottomRight.x; x++, p++) {
r += p->r;
g += p->g;
b += p->b;
m += p->m;
size++;
}
}
if (size)
return TPixel64(r / size, g / size, b / size, m / size);
else
return TPixel64::Transparent;
}
//---------------------------------------------------------
namespace {
TPixel32 getAverageColor(const TRect &rect) {
GLenum fmt =
#if defined(TNZ_MACHINE_CHANNEL_ORDER_BGRM)
GL_RGBA;
#elif defined(TNZ_MACHINE_CHANNEL_ORDER_MBGR)
GL_ABGR_EXT;
#elif defined(TNZ_MACHINE_CHANNEL_ORDER_RGBM)
GL_RGBA;
#elif defined(TNZ_MACHINE_CHANNEL_ORDER_MRGB)
GL_BGRA;
#else
// Error PLATFORM NOT SUPPORTED
#error "unknown channel order!"
#endif
UINT r = 0, g = 0, b = 0, m = 0;
std::vector<TPixel32> buffer(rect.getLx() * rect.getLy());
glReadPixels(rect.x0, rect.y0, rect.getLx(), rect.getLy(), fmt, TGL_TYPE,
&buffer[0]);
int size = rect.getLx() * rect.getLy();
for (int i = 0; i < size; i++) {
r += buffer[i].r;
g += buffer[i].g;
b += buffer[i].b;
}
return TPixel32(b / size, g / size, r / size, TPixel32::maxChannelValue);
}
//---------------------------------------------------------
TPixel32 getAverageColor(TStroke *stroke) {
GLenum fmt =
#if defined(TNZ_MACHINE_CHANNEL_ORDER_BGRM)
GL_RGBA;
#elif defined(TNZ_MACHINE_CHANNEL_ORDER_MBGR)
GL_ABGR_EXT;
#elif defined(TNZ_MACHINE_CHANNEL_ORDER_RGBM)
GL_RGBA;
#elif defined(TNZ_MACHINE_CHANNEL_ORDER_MRGB)
GL_BGRA;
#else
// Error PLATFORM NOT SUPPORTED
#error "unknown channel order"
#endif
// leggo il buffer e mi prendo i pixels
UINT r = 0, g = 0, b = 0, m = 0;
TRect rect = convert(stroke->getBBox());
std::vector<TPixel32> buffer(rect.getLx() * rect.getLy());
glReadPixels(rect.x0, rect.y0, rect.getLx(), rect.getLy(), fmt,
GL_UNSIGNED_BYTE, &buffer[0]);
// calcolo le regioni dello stroke
TVectorImage aux;
aux.addStroke(stroke);
aux.transform(TTranslation(convert(-rect.getP00())));
aux.findRegions();
int regionCount = aux.getRegionCount();
int size = 0, lx = rect.getLx();
for (int j = 0; j < regionCount; j++) {
TRegion *reg = aux.getRegion(j);
TRect regRect = convert(reg->getBBox());
for (int y = regRect.y0; y < regRect.y1; y++) {
std::vector<double> intersections;
reg->computeScanlineIntersections(y, intersections);
assert(!(intersections.size() & 0x1));
for (UINT i = 0; i < intersections.size(); i += 2) {
if (intersections[i] == intersections[i + 1]) continue;
int firstInters = (int)intersections[i];
int secondInters = (int)intersections[i + 1];
for (int x = firstInters + 1; x < secondInters - 1; x++) {
r += buffer[y * lx + x].r;
g += buffer[y * lx + x].g;
b += buffer[y * lx + x].b;
size++;
}
}
}
}
if (size != 0)
return TPixel32(b / size, g / size, r / size, 255);
else
return TPixel32(buffer[0].b, buffer[0].g, buffer[0].r, 255);
}
} // namespace
//---------------------------------------------------------
TPixel32 StylePicker::pickColor(const TRectD &area) const {
// TRectD rect=area.enlarge(-1,-1);
return getAverageColor(convert(area));
}
//---------------------------------------------------------
TPixel32 StylePicker::pickColor(TStroke *stroke) const {
return getAverageColor(stroke);
}
//---------------------------------------------------------