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koffice/chalk/colorspaces/rgb_f32/kis_rgb_f32_colorspace.cc

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32 KiB

/*
* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
* Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.org>
* Copyright (c) 2005 Adrian Page <adrian@pagenet.plus.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <limits.h>
#include <stdlib.h>
#include LCMS_HEADER
#include <tqimage.h>
#include <kdebug.h>
#include <tdelocale.h>
#include "kis_rgb_f32_colorspace.h"
#include "kis_color_conversions.h"
namespace {
const TQ_INT32 MAX_CHANNEL_RGB = 3;
const TQ_INT32 MAX_CHANNEL_RGBA = 4;
}
#include "kis_integer_maths.h"
#ifndef HAVE_POWF
#undef powf
#define powf pow
#endif
#define FLOAT_MAX 1.0f //temp
#define EPSILON 1e-6
// FIXME: lcms doesn't support 32-bit float
#define F32_LCMS_TYPE TYPE_BGRA_16
// disable the lcms handling by setting profile=0
KisRgbF32ColorSpace::KisRgbF32ColorSpace(KisColorSpaceFactoryRegistry * parent, KisProfile */*p*/) :
KisF32BaseColorSpace(KisID("RGBAF32", i18n("RGB (32-bit float/channel)")), F32_LCMS_TYPE, icSigRgbData, parent, 0)
{
m_channels.push_back(new KisChannelInfo(i18n("Red"), i18n("R"), PIXEL_RED * sizeof(float), KisChannelInfo::COLOR, KisChannelInfo::FLOAT32, sizeof(float)));
m_channels.push_back(new KisChannelInfo(i18n("Green"), i18n("G"), PIXEL_GREEN * sizeof(float), KisChannelInfo::COLOR, KisChannelInfo::FLOAT32, sizeof(float)));
m_channels.push_back(new KisChannelInfo(i18n("Blue"), i18n("B"), PIXEL_BLUE * sizeof(float), KisChannelInfo::COLOR, KisChannelInfo::FLOAT32, sizeof(float)));
m_channels.push_back(new KisChannelInfo(i18n("Alpha"), i18n("A"), PIXEL_ALPHA * sizeof(float), KisChannelInfo::ALPHA, KisChannelInfo::FLOAT32, sizeof(float)));
m_alphaPos = PIXEL_ALPHA * sizeof(float);
}
KisRgbF32ColorSpace::~KisRgbF32ColorSpace()
{
}
void KisRgbF32ColorSpace::setPixel(TQ_UINT8 *dst, float red, float green, float blue, float alpha) const
{
Pixel *dstPixel = reinterpret_cast<Pixel *>(dst);
dstPixel->red = red;
dstPixel->green = green;
dstPixel->blue = blue;
dstPixel->alpha = alpha;
}
void KisRgbF32ColorSpace::getPixel(const TQ_UINT8 *src, float *red, float *green, float *blue, float *alpha) const
{
const Pixel *srcPixel = reinterpret_cast<const Pixel *>(src);
*red = srcPixel->red;
*green = srcPixel->green;
*blue = srcPixel->blue;
*alpha = srcPixel->alpha;
}
void KisRgbF32ColorSpace::fromTQColor(const TQColor& c, TQ_UINT8 *dstU8, KisProfile * /*profile*/)
{
Pixel *dst = reinterpret_cast<Pixel *>(dstU8);
dst->red = UINT8_TO_FLOAT(c.red());
dst->green = UINT8_TO_FLOAT(c.green());
dst->blue = UINT8_TO_FLOAT(c.blue());
}
void KisRgbF32ColorSpace::fromTQColor(const TQColor& c, TQ_UINT8 opacity, TQ_UINT8 *dstU8, KisProfile * /*profile*/)
{
Pixel *dst = reinterpret_cast<Pixel *>(dstU8);
dst->red = UINT8_TO_FLOAT(c.red());
dst->green = UINT8_TO_FLOAT(c.green());
dst->blue = UINT8_TO_FLOAT(c.blue());
dst->alpha = UINT8_TO_FLOAT(opacity);
}
void KisRgbF32ColorSpace::toTQColor(const TQ_UINT8 *srcU8, TQColor *c, KisProfile * /*profile*/)
{
const Pixel *src = reinterpret_cast<const Pixel *>(srcU8);
c->setRgb(FLOAT_TO_UINT8(src->red), FLOAT_TO_UINT8(src->green), FLOAT_TO_UINT8(src->blue));
}
void KisRgbF32ColorSpace::toTQColor(const TQ_UINT8 *srcU8, TQColor *c, TQ_UINT8 *opacity, KisProfile * /*profile*/)
{
const Pixel *src = reinterpret_cast<const Pixel *>(srcU8);
c->setRgb(FLOAT_TO_UINT8(src->red), FLOAT_TO_UINT8(src->green), FLOAT_TO_UINT8(src->blue));
*opacity = FLOAT_TO_UINT8(src->alpha);
}
TQ_UINT8 KisRgbF32ColorSpace::difference(const TQ_UINT8 *src1U8, const TQ_UINT8 *src2U8)
{
const Pixel *src1 = reinterpret_cast<const Pixel *>(src1U8);
const Pixel *src2 = reinterpret_cast<const Pixel *>(src2U8);
return FLOAT_TO_UINT8(TQMAX(TQABS(src2->red - src1->red),
TQMAX(TQABS(src2->green - src1->green),
TQABS(src2->blue - src1->blue))));
}
void KisRgbF32ColorSpace::mixColors(const TQ_UINT8 **colors, const TQ_UINT8 *weights, TQ_UINT32 nColors, TQ_UINT8 *dst) const
{
float totalRed = 0, totalGreen = 0, totalBlue = 0, newAlpha = 0;
while (nColors--)
{
const Pixel *pixel = reinterpret_cast<const Pixel *>(*colors);
float alpha = pixel->alpha;
float alphaTimesWeight = alpha * UINT8_TO_FLOAT(*weights);
totalRed += pixel->red * alphaTimesWeight;
totalGreen += pixel->green * alphaTimesWeight;
totalBlue += pixel->blue * alphaTimesWeight;
newAlpha += alphaTimesWeight;
weights++;
colors++;
}
Q_ASSERT(newAlpha <= F32_OPACITY_OPAQUE);
Pixel *dstPixel = reinterpret_cast<Pixel *>(dst);
dstPixel->alpha = newAlpha;
if (newAlpha > EPSILON) {
totalRed = totalRed / newAlpha;
totalGreen = totalGreen / newAlpha;
totalBlue = totalBlue / newAlpha;
}
dstPixel->red = totalRed;
dstPixel->green = totalGreen;
dstPixel->blue = totalBlue;
}
void KisRgbF32ColorSpace::convolveColors(TQ_UINT8** colors, TQ_INT32 * kernelValues, KisChannelInfo::enumChannelFlags channelFlags, TQ_UINT8 *dst, TQ_INT32 factor, TQ_INT32 offset, TQ_INT32 nColors) const
{
float totalRed = 0, totalGreen = 0, totalBlue = 0, totalAlpha = 0;
while (nColors--)
{
const Pixel * pixel = reinterpret_cast<const Pixel *>( *colors );
float weight = *kernelValues;
if (weight != 0) {
totalRed += pixel->red * weight;
totalGreen += pixel->green * weight;
totalBlue += pixel->blue * weight;
totalAlpha += pixel->alpha * weight;
}
colors++;
kernelValues++;
}
Pixel * p = reinterpret_cast< Pixel *>( dst );
if (channelFlags & KisChannelInfo::FLAG_COLOR) {
p->red = CLAMP( ( totalRed / factor) + offset, 0, FLOAT_MAX);
p->green = CLAMP( ( totalGreen / factor) + offset, 0, FLOAT_MAX);
p->blue = CLAMP( ( totalBlue / factor) + offset, 0, FLOAT_MAX);
}
if (channelFlags & KisChannelInfo::FLAG_ALPHA) {
p->alpha = CLAMP((totalAlpha/ factor) + offset, 0, FLOAT_MAX);
}
}
void KisRgbF32ColorSpace::invertColor(TQ_UINT8 * src, TQ_INT32 nPixels)
{
TQ_UINT32 psize = pixelSize();
while (nPixels--)
{
Pixel * p = reinterpret_cast< Pixel *>( src );
p->red = FLOAT_MAX - p->red;
p->green = FLOAT_MAX - p->green;
p->blue = FLOAT_MAX - p->blue;
src += psize;
}
}
TQ_UINT8 KisRgbF32ColorSpace::intensity8(const TQ_UINT8 * src) const
{
const Pixel * p = reinterpret_cast<const Pixel *>( src );
return FLOAT_TO_UINT8((p->red * 0.30 + p->green * 0.59 + p->blue * 0.11) + 0.5);
}
TQValueVector<KisChannelInfo *> KisRgbF32ColorSpace::channels() const
{
return m_channels;
}
TQ_UINT32 KisRgbF32ColorSpace::nChannels() const
{
return MAX_CHANNEL_RGBA;
}
TQ_UINT32 KisRgbF32ColorSpace::nColorChannels() const
{
return MAX_CHANNEL_RGB;
}
TQ_UINT32 KisRgbF32ColorSpace::pixelSize() const
{
return MAX_CHANNEL_RGBA * sizeof(float);
}
TQ_UINT8 convertToDisplay(float value, float exposureFactor, float gamma)
{
//value *= pow(2, exposure + 2.47393);
value *= exposureFactor;
value = powf(value, gamma);
// scale middle gray to the target framebuffer value
value *= 84.66f;
int valueInt = (int)(value + 0.5);
return CLAMP(valueInt, 0, 255);
}
TQImage KisRgbF32ColorSpace::convertToTQImage(const TQ_UINT8 *dataU8, TQ_INT32 width, TQ_INT32 height,
KisProfile * /*dstProfile*/,
TQ_INT32 /*renderingIntent*/, float exposure)
{
const float *data = reinterpret_cast<const float *>(dataU8);
TQImage img = TQImage(width, height, 32, 0, TQImage::LittleEndian);
img.setAlphaBuffer(true);
TQ_INT32 i = 0;
uchar *j = img.bits();
// XXX: For now assume gamma 2.2.
float gamma = 1 / 2.2;
float exposureFactor = powf(2, exposure + 2.47393);
while ( i < width * height * MAX_CHANNEL_RGBA) {
*( j + 3) = FLOAT_TO_UINT8(*( data + i + PIXEL_ALPHA ));
*( j + 2 ) = convertToDisplay(*( data + i + PIXEL_RED ), exposureFactor, gamma);
*( j + 1 ) = convertToDisplay(*( data + i + PIXEL_GREEN ), exposureFactor, gamma);
*( j + 0 ) = convertToDisplay(*( data + i + PIXEL_BLUE ), exposureFactor, gamma);
i += MAX_CHANNEL_RGBA;
j += MAX_CHANNEL_RGBA;
}
/*
if (srcProfile != 0 && dstProfile != 0) {
convertPixelsTo(img.bits(), srcProfile,
img.bits(), this, dstProfile,
width * height, renderingIntent);
}
*/
return img;
}
void KisRgbF32ColorSpace::compositeOver(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
while (rows > 0) {
const float *src = reinterpret_cast<const float *>(srcRowStart);
float *dst = reinterpret_cast<float *>(dstRowStart);
const TQ_UINT8 *mask = maskRowStart;
TQ_INT32 columns = numColumns;
while (columns > 0) {
float srcAlpha = src[PIXEL_ALPHA];
// apply the alphamask
if (mask != 0) {
TQ_UINT8 U8_mask = *mask;
if (U8_mask != OPACITY_OPAQUE) {
srcAlpha *= UINT8_TO_FLOAT(U8_mask);
}
mask++;
}
if (srcAlpha > F32_OPACITY_TRANSPARENT + EPSILON) {
if (opacity < F32_OPACITY_OPAQUE - EPSILON) {
srcAlpha *= opacity;
}
if (srcAlpha > F32_OPACITY_OPAQUE - EPSILON) {
memcpy(dst, src, MAX_CHANNEL_RGBA * sizeof(float));
} else {
float dstAlpha = dst[PIXEL_ALPHA];
float srcBlend;
if (dstAlpha > F32_OPACITY_OPAQUE - EPSILON) {
srcBlend = srcAlpha;
} else {
float newAlpha = dstAlpha + (F32_OPACITY_OPAQUE - dstAlpha) * srcAlpha;
dst[PIXEL_ALPHA] = newAlpha;
if (newAlpha > EPSILON) {
srcBlend = srcAlpha / newAlpha;
} else {
srcBlend = srcAlpha;
}
}
if (srcBlend > F32_OPACITY_OPAQUE - EPSILON) {
memcpy(dst, src, MAX_CHANNEL_RGB * sizeof(float));
} else {
dst[PIXEL_RED] = FLOAT_BLEND(src[PIXEL_RED], dst[PIXEL_RED], srcBlend);
dst[PIXEL_GREEN] = FLOAT_BLEND(src[PIXEL_GREEN], dst[PIXEL_GREEN], srcBlend);
dst[PIXEL_BLUE] = FLOAT_BLEND(src[PIXEL_BLUE], dst[PIXEL_BLUE], srcBlend);
}
}
}
columns--;
src += MAX_CHANNEL_RGBA;
dst += MAX_CHANNEL_RGBA;
}
rows--;
srcRowStart += srcRowStride;
dstRowStart += dstRowStride;
if(maskRowStart) {
maskRowStart += maskRowStride;
}
}
}
#define COMMON_COMPOSITE_OP_PROLOG() \
while (rows > 0) { \
\
const float *src = reinterpret_cast<const float *>(srcRowStart); \
float *dst = reinterpret_cast<float *>(dstRowStart); \
TQ_INT32 columns = numColumns; \
const TQ_UINT8 *mask = maskRowStart; \
\
while (columns > 0) { \
\
float srcAlpha = src[PIXEL_ALPHA]; \
float dstAlpha = dst[PIXEL_ALPHA]; \
\
srcAlpha = TQMIN(srcAlpha, dstAlpha); \
\
if (mask != 0) { \
TQ_UINT8 U8_mask = *mask; \
\
if (U8_mask != OPACITY_OPAQUE) { \
srcAlpha *= UINT8_TO_FLOAT(U8_mask); \
} \
mask++; \
} \
\
if (srcAlpha > F32_OPACITY_TRANSPARENT + EPSILON) { \
\
if (opacity < F32_OPACITY_OPAQUE - EPSILON) { \
srcAlpha *= opacity; \
} \
\
float srcBlend; \
\
if (dstAlpha > F32_OPACITY_OPAQUE - EPSILON) { \
srcBlend = srcAlpha; \
} else { \
float newAlpha = dstAlpha + (F32_OPACITY_OPAQUE - dstAlpha) * srcAlpha; \
dst[PIXEL_ALPHA] = newAlpha; \
\
if (newAlpha > EPSILON) { \
srcBlend = srcAlpha / newAlpha; \
} else { \
srcBlend = srcAlpha; \
} \
}
#define COMMON_COMPOSITE_OP_EPILOG() \
} \
\
columns--; \
src += MAX_CHANNEL_RGBA; \
dst += MAX_CHANNEL_RGBA; \
} \
\
rows--; \
srcRowStart += srcRowStride; \
dstRowStart += dstRowStride; \
if(maskRowStart) { \
maskRowStart += maskRowStride; \
} \
}
void KisRgbF32ColorSpace::compositeMultiply(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
COMMON_COMPOSITE_OP_PROLOG();
{
float srcColor = src[PIXEL_RED];
float dstColor = dst[PIXEL_RED];
srcColor = srcColor * dstColor;
dst[PIXEL_RED] = FLOAT_BLEND(srcColor, dstColor, srcBlend);
srcColor = src[PIXEL_GREEN];
dstColor = dst[PIXEL_GREEN];
srcColor = srcColor * dstColor;
dst[PIXEL_GREEN] = FLOAT_BLEND(srcColor, dstColor, srcBlend);
srcColor = src[PIXEL_BLUE];
dstColor = dst[PIXEL_BLUE];
srcColor = srcColor * dstColor;
dst[PIXEL_BLUE] = FLOAT_BLEND(srcColor, dstColor, srcBlend);
}
COMMON_COMPOSITE_OP_EPILOG();
}
void KisRgbF32ColorSpace::compositeDivide(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
COMMON_COMPOSITE_OP_PROLOG();
{
for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) {
float srcColor = src[channel];
float dstColor = dst[channel];
srcColor = TQMIN(dstColor / (srcColor + EPSILON), FLOAT_MAX);
float newColor = FLOAT_BLEND(srcColor, dstColor, srcBlend);
dst[channel] = newColor;
}
}
COMMON_COMPOSITE_OP_EPILOG();
}
void KisRgbF32ColorSpace::compositeScreen(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
COMMON_COMPOSITE_OP_PROLOG();
{
for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) {
float srcColor = src[channel];
float dstColor = dst[channel];
srcColor = FLOAT_MAX - ((FLOAT_MAX - dstColor) * (FLOAT_MAX - srcColor));
float newColor = FLOAT_BLEND(srcColor, dstColor, srcBlend);
dst[channel] = newColor;
}
}
COMMON_COMPOSITE_OP_EPILOG();
}
void KisRgbF32ColorSpace::compositeOverlay(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
COMMON_COMPOSITE_OP_PROLOG();
{
for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) {
float srcColor = src[channel];
float dstColor = dst[channel];
srcColor = dstColor * (dstColor + 2 * (srcColor * (FLOAT_MAX - dstColor)));
float newColor = FLOAT_BLEND(srcColor, dstColor, srcBlend);
dst[channel] = newColor;
}
}
COMMON_COMPOSITE_OP_EPILOG();
}
void KisRgbF32ColorSpace::compositeDodge(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
COMMON_COMPOSITE_OP_PROLOG();
{
for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) {
float srcColor = src[channel];
float dstColor = dst[channel];
srcColor = TQMIN(dstColor / (FLOAT_MAX + EPSILON - srcColor), FLOAT_MAX);
float newColor = FLOAT_BLEND(srcColor, dstColor, srcBlend);
dst[channel] = newColor;
}
}
COMMON_COMPOSITE_OP_EPILOG();
}
void KisRgbF32ColorSpace::compositeBurn(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
COMMON_COMPOSITE_OP_PROLOG();
{
for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) {
float srcColor = src[channel];
float dstColor = dst[channel];
srcColor = TQMIN((FLOAT_MAX - dstColor) / (srcColor + EPSILON), FLOAT_MAX);
srcColor = CLAMP(FLOAT_MAX - srcColor, 0, FLOAT_MAX);
float newColor = FLOAT_BLEND(srcColor, dstColor, srcBlend);
dst[channel] = newColor;
}
}
COMMON_COMPOSITE_OP_EPILOG();
}
void KisRgbF32ColorSpace::compositeDarken(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
COMMON_COMPOSITE_OP_PROLOG();
{
for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) {
float srcColor = src[channel];
float dstColor = dst[channel];
srcColor = TQMIN(srcColor, dstColor);
float newColor = FLOAT_BLEND(srcColor, dstColor, srcBlend);
dst[channel] = newColor;
}
}
COMMON_COMPOSITE_OP_EPILOG();
}
void KisRgbF32ColorSpace::compositeLighten(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
COMMON_COMPOSITE_OP_PROLOG();
{
for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) {
float srcColor = src[channel];
float dstColor = dst[channel];
srcColor = TQMAX(srcColor, dstColor);
float newColor = FLOAT_BLEND(srcColor, dstColor, srcBlend);
dst[channel] = newColor;
}
}
COMMON_COMPOSITE_OP_EPILOG();
}
void KisRgbF32ColorSpace::compositeHue(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
COMMON_COMPOSITE_OP_PROLOG();
{
float srcRed = src[PIXEL_RED];
float srcGreen = src[PIXEL_GREEN];
float srcBlue = src[PIXEL_BLUE];
float dstRed = dst[PIXEL_RED];
float dstGreen = dst[PIXEL_GREEN];
float dstBlue = dst[PIXEL_BLUE];
float srcHue;
float srcSaturation;
float srcValue;
float dstHue;
float dstSaturation;
float dstValue;
RGBToHSV(srcRed, srcGreen, srcBlue, &srcHue, &srcSaturation, &srcValue);
RGBToHSV(dstRed, dstGreen, dstBlue, &dstHue, &dstSaturation, &dstValue);
HSVToRGB(srcHue, dstSaturation, dstValue, &srcRed, &srcGreen, &srcBlue);
dst[PIXEL_RED] = FLOAT_BLEND(srcRed, dstRed, srcBlend);
dst[PIXEL_GREEN] = FLOAT_BLEND(srcGreen, dstGreen, srcBlend);
dst[PIXEL_BLUE] = FLOAT_BLEND(srcBlue, dstBlue, srcBlend);
}
COMMON_COMPOSITE_OP_EPILOG();
}
void KisRgbF32ColorSpace::compositeSaturation(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
COMMON_COMPOSITE_OP_PROLOG();
{
float srcRed = src[PIXEL_RED];
float srcGreen = src[PIXEL_GREEN];
float srcBlue = src[PIXEL_BLUE];
float dstRed = dst[PIXEL_RED];
float dstGreen = dst[PIXEL_GREEN];
float dstBlue = dst[PIXEL_BLUE];
float srcHue;
float srcSaturation;
float srcValue;
float dstHue;
float dstSaturation;
float dstValue;
RGBToHSV(srcRed, srcGreen, srcBlue, &srcHue, &srcSaturation, &srcValue);
RGBToHSV(dstRed, dstGreen, dstBlue, &dstHue, &dstSaturation, &dstValue);
HSVToRGB(dstHue, srcSaturation, dstValue, &srcRed, &srcGreen, &srcBlue);
dst[PIXEL_RED] = FLOAT_BLEND(srcRed, dstRed, srcBlend);
dst[PIXEL_GREEN] = FLOAT_BLEND(srcGreen, dstGreen, srcBlend);
dst[PIXEL_BLUE] = FLOAT_BLEND(srcBlue, dstBlue, srcBlend);
}
COMMON_COMPOSITE_OP_EPILOG();
}
void KisRgbF32ColorSpace::compositeValue(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
COMMON_COMPOSITE_OP_PROLOG();
{
float srcRed = src[PIXEL_RED];
float srcGreen = src[PIXEL_GREEN];
float srcBlue = src[PIXEL_BLUE];
float dstRed = dst[PIXEL_RED];
float dstGreen = dst[PIXEL_GREEN];
float dstBlue = dst[PIXEL_BLUE];
float srcHue;
float srcSaturation;
float srcValue;
float dstHue;
float dstSaturation;
float dstValue;
RGBToHSV(srcRed, srcGreen, srcBlue, &srcHue, &srcSaturation, &srcValue);
RGBToHSV(dstRed, dstGreen, dstBlue, &dstHue, &dstSaturation, &dstValue);
HSVToRGB(dstHue, dstSaturation, srcValue, &srcRed, &srcGreen, &srcBlue);
dst[PIXEL_RED] = FLOAT_BLEND(srcRed, dstRed, srcBlend);
dst[PIXEL_GREEN] = FLOAT_BLEND(srcGreen, dstGreen, srcBlend);
dst[PIXEL_BLUE] = FLOAT_BLEND(srcBlue, dstBlue, srcBlend);
}
COMMON_COMPOSITE_OP_EPILOG();
}
void KisRgbF32ColorSpace::compositeColor(TQ_UINT8 *dstRowStart, TQ_INT32 dstRowStride, const TQ_UINT8 *srcRowStart, TQ_INT32 srcRowStride, const TQ_UINT8 *maskRowStart, TQ_INT32 maskRowStride, TQ_INT32 rows, TQ_INT32 numColumns, float opacity)
{
COMMON_COMPOSITE_OP_PROLOG();
{
float srcRed = src[PIXEL_RED];
float srcGreen = src[PIXEL_GREEN];
float srcBlue = src[PIXEL_BLUE];
float dstRed = dst[PIXEL_RED];
float dstGreen = dst[PIXEL_GREEN];
float dstBlue = dst[PIXEL_BLUE];
float srcHue;
float srcSaturation;
float srcLightness;
float dstHue;
float dstSaturation;
float dstLightness;
RGBToHSL(srcRed, srcGreen, srcBlue, &srcHue, &srcSaturation, &srcLightness);
RGBToHSL(dstRed, dstGreen, dstBlue, &dstHue, &dstSaturation, &dstLightness);
HSLToRGB(srcHue, srcSaturation, dstLightness, &srcRed, &srcGreen, &srcBlue);
dst[PIXEL_RED] = FLOAT_BLEND(srcRed, dstRed, srcBlend);
dst[PIXEL_GREEN] = FLOAT_BLEND(srcGreen, dstGreen, srcBlend);
dst[PIXEL_BLUE] = FLOAT_BLEND(srcBlue, dstBlue, srcBlend);
}
COMMON_COMPOSITE_OP_EPILOG();
}
void KisRgbF32ColorSpace::compositeErase(TQ_UINT8 *dst,
TQ_INT32 dstRowSize,
const TQ_UINT8 *src,
TQ_INT32 srcRowSize,
const TQ_UINT8 *srcAlphaMask,
TQ_INT32 maskRowStride,
TQ_INT32 rows,
TQ_INT32 cols,
float /*opacity*/)
{
while (rows-- > 0)
{
const Pixel *s = reinterpret_cast<const Pixel *>(src);
Pixel *d = reinterpret_cast<Pixel *>(dst);
const TQ_UINT8 *mask = srcAlphaMask;
for (TQ_INT32 i = cols; i > 0; i--, s++, d++)
{
float srcAlpha = s->alpha;
// apply the alphamask
if (mask != 0) {
TQ_UINT8 U8_mask = *mask;
if (U8_mask != OPACITY_OPAQUE) {
srcAlpha = FLOAT_BLEND(srcAlpha, F32_OPACITY_OPAQUE, UINT8_TO_FLOAT(U8_mask));
}
mask++;
}
d->alpha = srcAlpha * d->alpha;
}
dst += dstRowSize;
src += srcRowSize;
if(srcAlphaMask) {
srcAlphaMask += maskRowStride;
}
}
}
void KisRgbF32ColorSpace::bitBlt(TQ_UINT8 *dst,
TQ_INT32 dstRowStride,
const TQ_UINT8 *src,
TQ_INT32 srcRowStride,
const TQ_UINT8 *mask,
TQ_INT32 maskRowStride,
TQ_UINT8 U8_opacity,
TQ_INT32 rows,
TQ_INT32 cols,
const KisCompositeOp& op)
{
float opacity = UINT8_TO_FLOAT(U8_opacity);
switch (op.op()) {
case COMPOSITE_UNDEF:
// Undefined == no composition
break;
case COMPOSITE_OVER:
compositeOver(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_IN:
//compositeIn(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
case COMPOSITE_OUT:
//compositeOut(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_ATOP:
//compositeAtop(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_XOR:
//compositeXor(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_PLUS:
//compositePlus(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_MINUS:
//compositeMinus(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_ADD:
//compositeAdd(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_SUBTRACT:
//compositeSubtract(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_DIFF:
//compositeDiff(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_MULT:
compositeMultiply(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_DIVIDE:
compositeDivide(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_BUMPMAP:
//compositeBumpmap(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_COPY:
compositeCopy(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, U8_opacity);
break;
case COMPOSITE_COPY_RED:
//compositeCopyRed(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_COPY_GREEN:
//compositeCopyGreen(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_COPY_BLUE:
//compositeCopyBlue(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_COPY_OPACITY:
//compositeCopyOpacity(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_CLEAR:
//compositeClear(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_DISSOLVE:
//compositeDissolve(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_DISPLACE:
//compositeDisplace(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
#if 0
case COMPOSITE_MODULATE:
compositeModulate(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_THRESHOLD:
compositeThreshold(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
#endif
case COMPOSITE_NO:
// No composition.
break;
case COMPOSITE_DARKEN:
compositeDarken(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_LIGHTEN:
compositeLighten(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_HUE:
compositeHue(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_SATURATION:
compositeSaturation(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_VALUE:
compositeValue(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_COLOR:
compositeColor(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_COLORIZE:
//compositeColorize(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_LUMINIZE:
//compositeLuminize(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity);
break;
case COMPOSITE_SCREEN:
compositeScreen(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_OVERLAY:
compositeOverlay(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_ERASE:
compositeErase(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_DODGE:
compositeDodge(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_BURN:
compositeBurn(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity);
break;
case COMPOSITE_ALPHA_DARKEN:
abstractCompositeAlphaDarken<float, F32Mult, Uint8ToF32, F32OpacityTest,
PIXEL_ALPHA, MAX_CHANNEL_RGB, MAX_CHANNEL_RGBA>(
dst, dstRowStride, src, srcRowStride, mask, maskRowStride,
rows, cols, U8_opacity, F32Mult(), Uint8ToF32(), F32OpacityTest());
default:
break;
}
}
KisCompositeOpList KisRgbF32ColorSpace::userVisiblecompositeOps() const
{
KisCompositeOpList list;
list.append(KisCompositeOp(COMPOSITE_OVER));
list.append(KisCompositeOp(COMPOSITE_ALPHA_DARKEN));
list.append(KisCompositeOp(COMPOSITE_MULT));
list.append(KisCompositeOp(COMPOSITE_BURN));
list.append(KisCompositeOp(COMPOSITE_DODGE));
list.append(KisCompositeOp(COMPOSITE_DIVIDE));
list.append(KisCompositeOp(COMPOSITE_SCREEN));
list.append(KisCompositeOp(COMPOSITE_OVERLAY));
list.append(KisCompositeOp(COMPOSITE_DARKEN));
list.append(KisCompositeOp(COMPOSITE_LIGHTEN));
list.append(KisCompositeOp(COMPOSITE_HUE));
list.append(KisCompositeOp(COMPOSITE_SATURATION));
list.append(KisCompositeOp(COMPOSITE_VALUE));
list.append(KisCompositeOp(COMPOSITE_COLOR));
return list;
}