diff options
Diffstat (limited to 'chalk/colorspaces/rgb_u8/kis_rgb_colorspace.cpp')
| -rw-r--r-- | chalk/colorspaces/rgb_u8/kis_rgb_colorspace.cpp | 1501 |
1 files changed, 1501 insertions, 0 deletions
diff --git a/chalk/colorspaces/rgb_u8/kis_rgb_colorspace.cpp b/chalk/colorspaces/rgb_u8/kis_rgb_colorspace.cpp new file mode 100644 index 000000000..0aaea6daa --- /dev/null +++ b/chalk/colorspaces/rgb_u8/kis_rgb_colorspace.cpp @@ -0,0 +1,1501 @@ +/* + * Copyright (c) 2002 Patrick Julien <freak@codepimps.org> + * Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.org> + * + * 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 <tqcolor.h> + +#include <kdebug.h> +#include <tdelocale.h> + +#include "kis_rgb_colorspace.h" +#include "kis_u8_base_colorspace.h" +#include "kis_color_conversions.h" +#include "kis_integer_maths.h" +#include "kis_colorspace_factory_registry.h" + +#include "composite.h" + +#define downscale(quantum) (quantum) //((unsigned char) ((quantum)/257UL)) +#define upscale(value) (value) // ((TQ_UINT8) (257UL*(value))) + +namespace { + const TQ_INT32 MAX_CHANNEL_RGB = 3; + const TQ_INT32 MAX_CHANNEL_RGBA = 4; +} + +KisRgbColorSpace::KisRgbColorSpace(KisColorSpaceFactoryRegistry * parent, KisProfile *p) : + KisU8BaseColorSpace(KisID("RGBA", i18n("RGB (8-bit integer/channel)")), TYPE_BGRA_8, icSigRgbData, parent, p) +{ + m_channels.push_back(new KisChannelInfo(i18n("Red"), i18n("R"), 2, KisChannelInfo::COLOR, KisChannelInfo::UINT8, 1, TQColor(255,0,0))); + m_channels.push_back(new KisChannelInfo(i18n("Green"), i18n("G"), 1, KisChannelInfo::COLOR, KisChannelInfo::UINT8, 1, TQColor(0,255,0))); + m_channels.push_back(new KisChannelInfo(i18n("Blue"), i18n("B"), 0, KisChannelInfo::COLOR, KisChannelInfo::UINT8, 1, TQColor(0,0,255))); + m_channels.push_back(new KisChannelInfo(i18n("Alpha"), i18n("A"), 3, KisChannelInfo::ALPHA, KisChannelInfo::UINT8)); + + m_alphaPos = PIXEL_ALPHA; + init(); +} + +KisRgbColorSpace::~KisRgbColorSpace() +{ +} + +void KisRgbColorSpace::setPixel(TQ_UINT8 *pixel, TQ_UINT8 red, TQ_UINT8 green, TQ_UINT8 blue, TQ_UINT8 alpha) const +{ + pixel[PIXEL_RED] = red; + pixel[PIXEL_GREEN] = green; + pixel[PIXEL_BLUE] = blue; + pixel[PIXEL_ALPHA] = alpha; +} + +void KisRgbColorSpace::getPixel(const TQ_UINT8 *pixel, TQ_UINT8 *red, TQ_UINT8 *green, TQ_UINT8 *blue, TQ_UINT8 *alpha) const +{ + *red = pixel[PIXEL_RED]; + *green = pixel[PIXEL_GREEN]; + *blue = pixel[PIXEL_BLUE]; + *alpha = pixel[PIXEL_ALPHA]; +} + +void KisRgbColorSpace::mixColors(const TQ_UINT8 **colors, const TQ_UINT8 *weights, TQ_UINT32 nColors, TQ_UINT8 *dst) const +{ + TQ_UINT32 totalRed = 0, totalGreen = 0, totalBlue = 0, totalAlpha = 0; + + while (nColors--) + { + TQ_UINT32 alpha = (*colors)[PIXEL_ALPHA]; + // although we only mult by weight and not by weight*256/255 + // we divide by the same amount later, so there is no need + TQ_UINT32 alphaTimesWeight = alpha * *weights; + + totalRed += (*colors)[PIXEL_RED] * alphaTimesWeight; + totalGreen += (*colors)[PIXEL_GREEN] * alphaTimesWeight; + totalBlue += (*colors)[PIXEL_BLUE] * alphaTimesWeight; + totalAlpha += alphaTimesWeight; + + weights++; + colors++; + } + + // note this is correct - if you look at the above calculation + if (totalAlpha > 255*255) totalAlpha = 255*255; + + // Divide by 255. + dst[PIXEL_ALPHA] =(((totalAlpha + 0x80)>>8)+totalAlpha + 0x80) >>8; + + if (totalAlpha > 0) { + totalRed = totalRed / totalAlpha; + totalGreen = totalGreen / totalAlpha; + totalBlue = totalBlue / totalAlpha; + } // else the values are already 0 too + + TQ_UINT32 dstRed = totalRed; + //Q_ASSERT(dstRed <= 255); + if (dstRed > 255) dstRed = 255; + dst[PIXEL_RED] = dstRed; + + TQ_UINT32 dstGreen = totalGreen; + //Q_ASSERT(dstGreen <= 255); + if (dstGreen > 255) dstGreen = 255; + dst[PIXEL_GREEN] = dstGreen; + + TQ_UINT32 dstBlue = totalBlue; + //Q_ASSERT(dstBlue <= 255); + if (dstBlue > 255) dstBlue = 255; + dst[PIXEL_BLUE] = dstBlue; +} + +void KisRgbColorSpace::convolveColors(TQ_UINT8** colors, TQ_INT32* kernelValues, KisChannelInfo::enumChannelFlags channelFlags, TQ_UINT8 *dst, TQ_INT32 factor, TQ_INT32 offset, TQ_INT32 nColors) const +{ + TQ_INT64 totalRed = 0, totalGreen = 0, totalBlue = 0, totalAlpha = 0; + TQ_INT32 totalWeight = 0, totalWeightTransparent = 0; + while (nColors--) + { + TQ_INT32 weight = *kernelValues; + + if (weight != 0) { + if((*colors)[PIXEL_ALPHA] == 0) + { + totalWeightTransparent += weight; + } else { + totalRed += (*colors)[PIXEL_RED] * weight; + totalGreen += (*colors)[PIXEL_GREEN] * weight; + totalBlue += (*colors)[PIXEL_BLUE] * weight; + } + totalAlpha += (*colors)[PIXEL_ALPHA] * weight; + totalWeight += weight; + } + colors++; + kernelValues++; + } + if(totalWeightTransparent == 0) + { + if (channelFlags & KisChannelInfo::FLAG_COLOR) { + dst[PIXEL_RED] = CLAMP((totalRed / factor) + offset, 0, TQ_UINT8_MAX); + dst[PIXEL_GREEN] = CLAMP((totalGreen / factor) + offset, 0, TQ_UINT8_MAX); + dst[PIXEL_BLUE] = CLAMP((totalBlue / factor) + offset, 0, TQ_UINT8_MAX); + } + if (channelFlags & KisChannelInfo::FLAG_ALPHA) { + dst[PIXEL_ALPHA] = CLAMP((totalAlpha/ factor) + offset, 0, TQ_UINT8_MAX); + } + } else if(totalWeightTransparent != totalWeight && (channelFlags & KisChannelInfo::FLAG_COLOR)) { + if(totalWeight == factor) + { + TQ_INT64 a = ( totalWeight - totalWeightTransparent ); + dst[PIXEL_RED] = CLAMP((totalRed / a) + offset, 0, TQ_UINT8_MAX); + dst[PIXEL_GREEN] = CLAMP((totalGreen / a) + offset, 0, TQ_UINT8_MAX); + dst[PIXEL_BLUE] = CLAMP((totalBlue / a) + offset, 0, TQ_UINT8_MAX); + } else { + double a = totalWeight / ( factor * ( totalWeight - totalWeightTransparent ) ); // use double as it can saturate + dst[PIXEL_RED] = CLAMP( (TQ_UINT8)(totalRed * a) + offset, 0, TQ_UINT8_MAX); + dst[PIXEL_GREEN] = CLAMP( (TQ_UINT8)(totalGreen * a) + offset, 0, TQ_UINT8_MAX); + dst[PIXEL_BLUE] = CLAMP( (TQ_UINT8)(totalBlue * a) + offset, 0, TQ_UINT8_MAX); + } + } + if (channelFlags & KisChannelInfo::FLAG_ALPHA) { + dst[PIXEL_ALPHA] = CLAMP((totalAlpha/ factor) + offset, 0, TQ_UINT8_MAX); + } +} + + +void KisRgbColorSpace::invertColor(TQ_UINT8 * src, TQ_INT32 nPixels) +{ + TQ_UINT32 psize = pixelSize(); + + while (nPixels--) + { + src[PIXEL_RED] = TQ_UINT8_MAX - src[PIXEL_RED]; + src[PIXEL_GREEN] = TQ_UINT8_MAX - src[PIXEL_GREEN]; + src[PIXEL_BLUE] = TQ_UINT8_MAX - src[PIXEL_BLUE]; + + src += psize; + } +} + + +void KisRgbColorSpace::darken(const TQ_UINT8 * src, TQ_UINT8 * dst, TQ_INT32 shade, bool compensate, double compensation, TQ_INT32 nPixels) const +{ + TQ_UINT32 pSize = pixelSize(); + + while (nPixels--) { + if (compensate) { + dst[PIXEL_RED] = (TQ_INT8) TQMIN(255,((src[PIXEL_RED] * shade) / (compensation * 255))); + dst[PIXEL_GREEN] = (TQ_INT8) TQMIN(255,((src[PIXEL_GREEN] * shade) / (compensation * 255))); + dst[PIXEL_BLUE] = (TQ_INT8) TQMIN(255,((src[PIXEL_BLUE] * shade) / (compensation * 255))); + } + else { + dst[PIXEL_RED] = (TQ_INT8) TQMIN(255, (src[PIXEL_RED] * shade / 255)); + dst[PIXEL_BLUE] = (TQ_INT8) TQMIN(255, (src[PIXEL_BLUE] * shade / 255)); + dst[PIXEL_GREEN] = (TQ_INT8) TQMIN(255, (src[PIXEL_GREEN] * shade / 255)); + } + dst += pSize; + src += pSize; + } +} + +TQ_UINT8 KisRgbColorSpace::intensity8(const TQ_UINT8 * src) const +{ + return (TQ_UINT8)((src[PIXEL_RED] * 0.30 + src[PIXEL_GREEN] * 0.59 + src[PIXEL_BLUE] * 0.11) + 0.5); +} + +TQValueVector<KisChannelInfo *> KisRgbColorSpace::channels() const +{ + return m_channels; +} + +TQ_UINT32 KisRgbColorSpace::nChannels() const +{ + return MAX_CHANNEL_RGBA; +} + +TQ_UINT32 KisRgbColorSpace::nColorChannels() const +{ + return MAX_CHANNEL_RGB; +} + +TQ_UINT32 KisRgbColorSpace::pixelSize() const +{ + return MAX_CHANNEL_RGBA; +} + +TQImage KisRgbColorSpace::convertToTQImage(const TQ_UINT8 *data, TQ_INT32 width, TQ_INT32 height, + KisProfile * dstProfile, + TQ_INT32 renderingIntent, float /*exposure*/) + +{ + Q_ASSERT(data); + TQImage img = TQImage(const_cast<TQ_UINT8 *>(data), width, height, 32, 0, 0, TQImage::LittleEndian); + img.setAlphaBuffer(true); + // XXX: The previous version of this code used the quantum data directly + // as an optimisation. We're introducing a copy overhead here which could + // be factored out again if needed. + img = img.copy(); + + if (dstProfile != 0) { + KisColorSpace *dstCS = m_parent->getColorSpace(KisID("RGBA",""), dstProfile->productName()); + convertPixelsTo(img.bits(), + img.bits(), dstCS, + width * height, renderingIntent); + } + + return img; +} + + + + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + const TQ_UINT8 *mask = maskRowStart; + TQ_INT32 columns = numColumns; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(srcAlpha, opacity); + } + + if (srcAlpha == OPACITY_OPAQUE) { + memcpy(dst, src, MAX_CHANNEL_RGBA * sizeof(TQ_UINT8)); + } else { + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + if (srcBlend == OPACITY_OPAQUE) { + memcpy(dst, src, MAX_CHANNEL_RGB * sizeof(TQ_UINT8)); + } else { + dst[PIXEL_RED] = UINT8_BLEND(src[PIXEL_RED], dst[PIXEL_RED], srcBlend); + dst[PIXEL_GREEN] = UINT8_BLEND(src[PIXEL_GREEN], dst[PIXEL_GREEN], srcBlend); + dst[PIXEL_BLUE] = UINT8_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; + } +} + + +void KisRgbColorSpace::compositeAlphaDarken(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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + const TQ_UINT8 *mask = maskRowStart; + TQ_INT32 columns = numColumns; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(srcAlpha, opacity); + } + + if (srcAlpha != OPACITY_TRANSPARENT && srcAlpha >= dstAlpha) { + dst[PIXEL_ALPHA] = srcAlpha; + memcpy(dst, src, MAX_CHANNEL_RGB * sizeof(TQ_UINT8)); + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + TQ_INT32 columns = numColumns; + const TQ_UINT8 *mask = maskRowStart; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + srcAlpha = TQMIN(srcAlpha, dstAlpha); + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(src[PIXEL_ALPHA], opacity); + } + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + TQ_UINT8 srcColor = src[PIXEL_RED]; + TQ_UINT8 dstColor = dst[PIXEL_RED]; + + srcColor = UINT8_MULT(srcColor, dstColor); + + dst[PIXEL_RED] = UINT8_BLEND(srcColor, dstColor, srcBlend); + + srcColor = src[PIXEL_GREEN]; + dstColor = dst[PIXEL_GREEN]; + + srcColor = UINT8_MULT(srcColor, dstColor); + + dst[PIXEL_GREEN] = UINT8_BLEND(srcColor, dstColor, srcBlend); + + srcColor = src[PIXEL_BLUE]; + dstColor = dst[PIXEL_BLUE]; + + srcColor = UINT8_MULT(srcColor, dstColor); + + dst[PIXEL_BLUE] = UINT8_BLEND(srcColor, dstColor, srcBlend); + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + TQ_INT32 columns = numColumns; + const TQ_UINT8 *mask = maskRowStart; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + srcAlpha = TQMIN(srcAlpha, dstAlpha); + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(src[PIXEL_ALPHA], opacity); + } + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) { + + TQ_UINT8 srcColor = src[channel]; + TQ_UINT8 dstColor = dst[channel]; + + srcColor = TQMIN((dstColor * (UINT8_MAX + 1u) + (srcColor / 2u)) / (1u + srcColor), UINT8_MAX); + + TQ_UINT8 newColor = UINT8_BLEND(srcColor, dstColor, srcBlend); + + dst[channel] = newColor; + } + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + TQ_INT32 columns = numColumns; + const TQ_UINT8 *mask = maskRowStart; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + srcAlpha = TQMIN(srcAlpha, dstAlpha); + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(src[PIXEL_ALPHA], opacity); + } + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) { + + TQ_UINT8 srcColor = src[channel]; + TQ_UINT8 dstColor = dst[channel]; + + srcColor = UINT8_MAX - UINT8_MULT(UINT8_MAX - dstColor, UINT8_MAX - srcColor); + + TQ_UINT8 newColor = UINT8_BLEND(srcColor, dstColor, srcBlend); + + dst[channel] = newColor; + } + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + TQ_INT32 columns = numColumns; + const TQ_UINT8 *mask = maskRowStart; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + srcAlpha = TQMIN(srcAlpha, dstAlpha); + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(src[PIXEL_ALPHA], opacity); + } + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) { + + TQ_UINT8 srcColor = src[channel]; + TQ_UINT8 dstColor = dst[channel]; + + srcColor = UINT8_MULT(dstColor, dstColor + UINT8_MULT(2 * srcColor, UINT8_MAX - dstColor)); + + TQ_UINT8 newColor = UINT8_BLEND(srcColor, dstColor, srcBlend); + + dst[channel] = newColor; + } + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + TQ_INT32 columns = numColumns; + const TQ_UINT8 *mask = maskRowStart; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + srcAlpha = TQMIN(srcAlpha, dstAlpha); + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(src[PIXEL_ALPHA], opacity); + } + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) { + + TQ_UINT8 srcColor = src[channel]; + TQ_UINT8 dstColor = dst[channel]; + + srcColor = TQMIN((dstColor * (UINT8_MAX + 1)) / (UINT8_MAX + 1 - srcColor), UINT8_MAX); + + TQ_UINT8 newColor = UINT8_BLEND(srcColor, dstColor, srcBlend); + + dst[channel] = newColor; + } + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + TQ_INT32 columns = numColumns; + const TQ_UINT8 *mask = maskRowStart; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + srcAlpha = TQMIN(srcAlpha, dstAlpha); + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(src[PIXEL_ALPHA], opacity); + } + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) { + + TQ_UINT8 srcColor = src[channel]; + TQ_UINT8 dstColor = dst[channel]; + + srcColor = TQMIN(((UINT8_MAX - dstColor) * (UINT8_MAX + 1)) / (srcColor + 1), UINT8_MAX); + if (UINT8_MAX - srcColor > UINT8_MAX) srcColor = UINT8_MAX; + + TQ_UINT8 newColor = UINT8_BLEND(srcColor, dstColor, srcBlend); + + dst[channel] = newColor; + } + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + TQ_INT32 columns = numColumns; + const TQ_UINT8 *mask = maskRowStart; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + srcAlpha = TQMIN(srcAlpha, dstAlpha); + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(src[PIXEL_ALPHA], opacity); + } + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) { + + TQ_UINT8 srcColor = src[channel]; + TQ_UINT8 dstColor = dst[channel]; + + srcColor = TQMIN(srcColor, dstColor); + + TQ_UINT8 newColor = UINT8_BLEND(srcColor, dstColor, srcBlend); + + dst[channel] = newColor; + } + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + TQ_INT32 columns = numColumns; + const TQ_UINT8 *mask = maskRowStart; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + srcAlpha = TQMIN(srcAlpha, dstAlpha); + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(src[PIXEL_ALPHA], opacity); + } + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + for (int channel = 0; channel < MAX_CHANNEL_RGB; channel++) { + + TQ_UINT8 srcColor = src[channel]; + TQ_UINT8 dstColor = dst[channel]; + + srcColor = TQMAX(srcColor, dstColor); + + TQ_UINT8 newColor = UINT8_BLEND(srcColor, dstColor, srcBlend); + + dst[channel] = newColor; + } + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + TQ_INT32 columns = numColumns; + const TQ_UINT8 *mask = maskRowStart; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + srcAlpha = TQMIN(srcAlpha, dstAlpha); + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(src[PIXEL_ALPHA], opacity); + } + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + int dstRed = dst[PIXEL_RED]; + int dstGreen = dst[PIXEL_GREEN]; + int dstBlue = dst[PIXEL_BLUE]; + + int srcHue; + int srcSaturation; + int srcValue; + int dstHue; + int dstSaturation; + int dstValue; + + rgb_to_hsv(src[PIXEL_RED], src[PIXEL_GREEN], src[PIXEL_BLUE], &srcHue, &srcSaturation, &srcValue); + rgb_to_hsv(dstRed, dstGreen, dstBlue, &dstHue, &dstSaturation, &dstValue); + + int srcRed; + int srcGreen; + int srcBlue; + + hsv_to_rgb(srcHue, dstSaturation, dstValue, &srcRed, &srcGreen, &srcBlue); + + dst[PIXEL_RED] = UINT8_BLEND(srcRed, dstRed, srcBlend); + dst[PIXEL_GREEN] = UINT8_BLEND(srcGreen, dstGreen, srcBlend); + dst[PIXEL_BLUE] = UINT8_BLEND(srcBlue, dstBlue, srcBlend); + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + TQ_INT32 columns = numColumns; + const TQ_UINT8 *mask = maskRowStart; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + srcAlpha = TQMIN(srcAlpha, dstAlpha); + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(src[PIXEL_ALPHA], opacity); + } + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + int dstRed = dst[PIXEL_RED]; + int dstGreen = dst[PIXEL_GREEN]; + int dstBlue = dst[PIXEL_BLUE]; + + int srcHue; + int srcSaturation; + int srcValue; + int dstHue; + int dstSaturation; + int dstValue; + + rgb_to_hsv(src[PIXEL_RED], src[PIXEL_GREEN], src[PIXEL_BLUE], &srcHue, &srcSaturation, &srcValue); + rgb_to_hsv(dstRed, dstGreen, dstBlue, &dstHue, &dstSaturation, &dstValue); + + int srcRed; + int srcGreen; + int srcBlue; + + hsv_to_rgb(dstHue, srcSaturation, dstValue, &srcRed, &srcGreen, &srcBlue); + + dst[PIXEL_RED] = UINT8_BLEND(srcRed, dstRed, srcBlend); + dst[PIXEL_GREEN] = UINT8_BLEND(srcGreen, dstGreen, srcBlend); + dst[PIXEL_BLUE] = UINT8_BLEND(srcBlue, dstBlue, srcBlend); + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + TQ_INT32 columns = numColumns; + const TQ_UINT8 *mask = maskRowStart; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + srcAlpha = TQMIN(srcAlpha, dstAlpha); + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(src[PIXEL_ALPHA], opacity); + } + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + int dstRed = dst[PIXEL_RED]; + int dstGreen = dst[PIXEL_GREEN]; + int dstBlue = dst[PIXEL_BLUE]; + + int srcHue; + int srcSaturation; + int srcValue; + int dstHue; + int dstSaturation; + int dstValue; + + rgb_to_hsv(src[PIXEL_RED], src[PIXEL_GREEN], src[PIXEL_BLUE], &srcHue, &srcSaturation, &srcValue); + rgb_to_hsv(dstRed, dstGreen, dstBlue, &dstHue, &dstSaturation, &dstValue); + + int srcRed; + int srcGreen; + int srcBlue; + + hsv_to_rgb(dstHue, dstSaturation, srcValue, &srcRed, &srcGreen, &srcBlue); + + dst[PIXEL_RED] = UINT8_BLEND(srcRed, dstRed, srcBlend); + dst[PIXEL_GREEN] = UINT8_BLEND(srcGreen, dstGreen, srcBlend); + dst[PIXEL_BLUE] = UINT8_BLEND(srcBlue, dstBlue, srcBlend); + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + +void KisRgbColorSpace::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, TQ_UINT8 opacity) +{ + while (rows > 0) { + + const TQ_UINT8 *src = srcRowStart; + TQ_UINT8 *dst = dstRowStart; + TQ_INT32 columns = numColumns; + const TQ_UINT8 *mask = maskRowStart; + + while (columns > 0) { + + TQ_UINT8 srcAlpha = src[PIXEL_ALPHA]; + TQ_UINT8 dstAlpha = dst[PIXEL_ALPHA]; + + srcAlpha = TQMIN(srcAlpha, dstAlpha); + + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_MULT(srcAlpha, *mask); + mask++; + } + + if (srcAlpha != OPACITY_TRANSPARENT) { + + if (opacity != OPACITY_OPAQUE) { + srcAlpha = UINT8_MULT(src[PIXEL_ALPHA], opacity); + } + + TQ_UINT8 srcBlend; + + if (dstAlpha == OPACITY_OPAQUE) { + srcBlend = srcAlpha; + } else { + TQ_UINT8 newAlpha = dstAlpha + UINT8_MULT(OPACITY_OPAQUE - dstAlpha, srcAlpha); + dst[PIXEL_ALPHA] = newAlpha; + + if (newAlpha != 0) { + srcBlend = UINT8_DIVIDE(srcAlpha, newAlpha); + } else { + srcBlend = srcAlpha; + } + } + + int dstRed = dst[PIXEL_RED]; + int dstGreen = dst[PIXEL_GREEN]; + int dstBlue = dst[PIXEL_BLUE]; + + int srcHue; + int srcSaturation; + int srcLightness; + int dstHue; + int dstSaturation; + int dstLightness; + + rgb_to_hls(src[PIXEL_RED], src[PIXEL_GREEN], src[PIXEL_BLUE], &srcHue, &srcLightness, &srcSaturation); + rgb_to_hls(dstRed, dstGreen, dstBlue, &dstHue, &dstLightness, &dstSaturation); + + TQ_UINT8 srcRed; + TQ_UINT8 srcGreen; + TQ_UINT8 srcBlue; + + hls_to_rgb(srcHue, dstLightness, srcSaturation, &srcRed, &srcGreen, &srcBlue); + + dst[PIXEL_RED] = UINT8_BLEND(srcRed, dstRed, srcBlend); + dst[PIXEL_GREEN] = UINT8_BLEND(srcGreen, dstGreen, srcBlend); + dst[PIXEL_BLUE] = UINT8_BLEND(srcBlue, dstBlue, srcBlend); + } + + columns--; + src += MAX_CHANNEL_RGBA; + dst += MAX_CHANNEL_RGBA; + } + + rows--; + srcRowStart += srcRowStride; + dstRowStart += dstRowStride; + if(maskRowStart) + maskRowStart += maskRowStride; + } +} + +void KisRgbColorSpace::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, + TQ_UINT8 /*opacity*/) +{ + TQ_INT32 i; + TQ_UINT8 srcAlpha; + + while (rows-- > 0) + { + const TQ_UINT8 *s = src; + TQ_UINT8 *d = dst; + const TQ_UINT8 *mask = srcAlphaMask; + + for (i = cols; i > 0; i--, s+=MAX_CHANNEL_RGBA, d+=MAX_CHANNEL_RGBA) + { + srcAlpha = s[PIXEL_ALPHA]; + // apply the alphamask + if(mask != 0) + { + if(*mask != OPACITY_OPAQUE) + srcAlpha = UINT8_BLEND(srcAlpha, OPACITY_OPAQUE, *mask); + mask++; + } + d[PIXEL_ALPHA] = UINT8_MULT(srcAlpha, d[PIXEL_ALPHA]); + } + + dst += dstRowSize; + if(srcAlphaMask) + srcAlphaMask += maskRowStride; + src += srcRowSize; + } +} + +void KisRgbColorSpace::bitBlt(TQ_UINT8 *dst, + TQ_INT32 dstRowStride, + const TQ_UINT8 *src, + TQ_INT32 srcRowStride, + const TQ_UINT8 *mask, + TQ_INT32 maskRowStride, + TQ_UINT8 opacity, + TQ_INT32 rows, + TQ_INT32 cols, + const KisCompositeOp& op) +{ + + 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_ALPHA_DARKEN: + compositeAlphaDarken(dst, dstRowStride, src, srcRowStride, mask, maskRowStride, rows, cols, opacity); + break; + case COMPOSITE_IN: + compositeIn(pixelSize(), dst, dstRowStride, src, srcRowStride, rows, cols, opacity); + break; + 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, 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; + default: + break; + } +} + +KisCompositeOpList KisRgbColorSpace::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)); + list.append(KisCompositeOp(COMPOSITE_PLUS)); + list.append(KisCompositeOp(COMPOSITE_MINUS)); + list.append(KisCompositeOp(COMPOSITE_SUBTRACT)); + list.append(KisCompositeOp(COMPOSITE_ADD)); + + return list; +} |