void KisGmicSimpleConvertor::convertToGmicImage(KisPaintDeviceSP dev, gmic_image< float >& gmicImage)
{
const KoColorSpace *rgbaFloat32bitcolorSpace = KoColorSpaceRegistry::instance()->colorSpace(RGBAColorModelID.id(),
Float32BitsColorDepthID.id(),
KoColorSpaceRegistry::instance()->rgb8()->profile());
Q_CHECK_PTR(rgbaFloat32bitcolorSpace);
dev->convertTo(rgbaFloat32bitcolorSpace);
QRect rc = dev->exactBounds();
m_planarBytes = dev->readPlanarBytes(rc.x(), rc.y(), rc.width(), rc.height());
setChannelSize(rc.width() * rc.height());
int greenOffset = gmicImage._width * gmicImage._height;
int blueOffset = greenOffset * 2;
int alphaOffset = greenOffset * 3;
quint8 * redChannelBytes = m_planarBytes.at(KoRgbF32Traits::red_pos);
quint8 * greenChannelBytes = m_planarBytes.at(KoRgbF32Traits::green_pos);
quint8 * blueChannelBytes = m_planarBytes.at(KoRgbF32Traits::blue_pos);
quint8 * alphaChannelBytes = m_planarBytes.at(KoRgbF32Traits::alpha_pos);
unsigned int channelSize = sizeof(float);
memcpy(gmicImage._data ,redChannelBytes ,gmicImage._width * gmicImage._height * channelSize);
memcpy(gmicImage._data + greenOffset ,greenChannelBytes ,gmicImage._width * gmicImage._height * channelSize);
memcpy(gmicImage._data + blueOffset ,blueChannelBytes ,gmicImage._width * gmicImage._height * channelSize);
memcpy(gmicImage._data + alphaOffset ,alphaChannelBytes ,gmicImage._width * gmicImage._height * channelSize);
}
KisImageBuilder_Result CSVSaver::getLayer(CSVLayerRecord* layer, KisDocument* exportDoc, KisKeyframeSP keyframe, const QString &path, int frame, int idx)
{
//render to the temp layer
KisImageWSP image = exportDoc->image();
KisPaintDeviceSP device = image->rootLayer()->firstChild()->projection();
layer->channel->fetchFrame(keyframe, device);
QRect bounds = device->exactBounds();
if (bounds.isEmpty()) {
layer->last = ""; //empty frame
return KisImageBuilder_RESULT_OK;
}
layer->last = QString("frame%1-%2.png").arg(idx + 1,5,10,QChar('0')).arg(frame,5,10,QChar('0'));
QString filename = path;
filename.append(layer->last);
//save to PNG
KisSequentialConstIterator it(device, image->bounds());
const KoColorSpace* cs = device->colorSpace();
bool isThereAlpha = false;
do {
if (cs->opacityU8(it.oldRawData()) != OPACITY_OPAQUE_U8) {
isThereAlpha = true;
break;
}
} while (it.nextPixel());
if (!KisPNGConverter::isColorSpaceSupported(cs)) {
device = new KisPaintDevice(*device.data());
KUndo2Command *cmd= device->convertTo(KoColorSpaceRegistry::instance()->rgb8());
delete cmd;
}
KisPNGOptions options;
options.alpha = isThereAlpha;
options.interlace = false;
options.compression = 8;
options.tryToSaveAsIndexed = false;
options.transparencyFillColor = QColor(0,0,0);
options.saveSRGBProfile = true; //TVPaint can use only sRGB
options.forceSRGB = false;
KisPNGConverter kpc(exportDoc);
KisImageBuilder_Result result = kpc.buildFile(QUrl::fromLocalFile(filename), image->bounds(),
image->xRes(), image->yRes(), device,
image->beginAnnotations(), image->endAnnotations(),
options, (KisMetaData::Store* )0 );
return result;
}
void KisPaintDeviceTest::testColorSpaceConversion()
{
QImage image(QString(FILES_DATA_DIR) + QDir::separator() + "tile.png");
const KoColorSpace* srcCs = KoColorSpaceRegistry::instance()->rgb8();
const KoColorSpace* dstCs = KoColorSpaceRegistry::instance()->lab16();
KisPaintDeviceSP dev = new KisPaintDevice(srcCs);
dev->convertFromQImage(image, 0);
dev->move(10, 10); // Unalign with tile boundaries
KUndo2Command* cmd = dev->convertTo(dstCs);
QCOMPARE(dev->exactBounds(), QRect(10, 10, image.width(), image.height()));
QCOMPARE(dev->pixelSize(), dstCs->pixelSize());
QVERIFY(*dev->colorSpace() == *dstCs);
delete cmd;
}
void KisFilterFastColorTransfer::processImpl(KisPaintDeviceSP device,
const QRect& applyRect,
const KisFilterConfiguration* config,
KoUpdater* progressUpdater) const
{
Q_ASSERT(device != 0);
dbgPlugins << "Start transferring color";
// Convert ref and src to LAB
const KoColorSpace* labCS = KoColorSpaceRegistry::instance()->lab16();
if (!labCS) {
dbgPlugins << "The LAB colorspace is not available.";
return;
}
dbgPlugins << "convert a copy of src to lab";
const KoColorSpace* oldCS = device->colorSpace();
KisPaintDeviceSP srcLAB = new KisPaintDevice(*device.data());
dbgPlugins << "srcLab : " << srcLAB->extent();
KUndo2Command* cmd = srcLAB->convertTo(labCS, KoColorConversionTransformation::internalRenderingIntent(), KoColorConversionTransformation::internalConversionFlags());
delete cmd;
if (progressUpdater) {
progressUpdater->setRange(0, 2 * applyRect.width() * applyRect.height());
}
int count = 0;
// Compute the means and sigmas of src
dbgPlugins << "Compute the means and sigmas of src";
double meanL_src = 0., meanA_src = 0., meanB_src = 0.;
double sigmaL_src = 0., sigmaA_src = 0., sigmaB_src = 0.;
KisSequentialConstIterator srcIt(srcLAB, applyRect);
do {
const quint16* data = reinterpret_cast<const quint16*>(srcIt.oldRawData());
quint32 L = data[0];
quint32 A = data[1];
quint32 B = data[2];
meanL_src += L;
meanA_src += A;
meanB_src += B;
sigmaL_src += L * L;
sigmaA_src += A * A;
sigmaB_src += B * B;
if (progressUpdater) progressUpdater->setValue(++count);
} while (srcIt.nextPixel() && !(progressUpdater && progressUpdater->interrupted()));
double totalSize = 1. / (applyRect.width() * applyRect.height());
meanL_src *= totalSize;
meanA_src *= totalSize;
meanB_src *= totalSize;
sigmaL_src *= totalSize;
sigmaA_src *= totalSize;
sigmaB_src *= totalSize;
dbgPlugins << totalSize << "" << meanL_src << "" << meanA_src << "" << meanB_src << "" << sigmaL_src << "" << sigmaA_src << "" << sigmaB_src;
double meanL_ref = config->getDouble("meanL");
double meanA_ref = config->getDouble("meanA");
double meanB_ref = config->getDouble("meanB");
double sigmaL_ref = config->getDouble("sigmaL");
double sigmaA_ref = config->getDouble("sigmaA");
double sigmaB_ref = config->getDouble("sigmaB");
// Transfer colors
dbgPlugins << "Transfer colors";
{
double coefL = sqrt((sigmaL_ref - meanL_ref * meanL_ref) / (sigmaL_src - meanL_src * meanL_src));
double coefA = sqrt((sigmaA_ref - meanA_ref * meanA_ref) / (sigmaA_src - meanA_src * meanA_src));
double coefB = sqrt((sigmaB_ref - meanB_ref * meanB_ref) / (sigmaB_src - meanB_src * meanB_src));
KisHLineConstIteratorSP srcLABIt = srcLAB->createHLineConstIteratorNG(applyRect.x(), applyRect.y(), applyRect.width());
KisHLineIteratorSP dstIt = device->createHLineIteratorNG(applyRect.x(), applyRect.y(), applyRect.width());
quint16 labPixel[4];
for (int y = 0; y < applyRect.height() && !(progressUpdater && progressUpdater->interrupted()); ++y) {
do {
const quint16* data = reinterpret_cast<const quint16*>(srcLABIt->oldRawData());
labPixel[0] = (quint16)CLAMP(((double)data[0] - meanL_src) * coefL + meanL_ref, 0., 65535.);
labPixel[1] = (quint16)CLAMP(((double)data[1] - meanA_src) * coefA + meanA_ref, 0., 65535.);
labPixel[2] = (quint16)CLAMP(((double)data[2] - meanB_src) * coefB + meanB_ref, 0., 65535.);
labPixel[3] = data[3];
oldCS->fromLabA16(reinterpret_cast<const quint8*>(labPixel), dstIt->rawData(), 1);
if (progressUpdater) progressUpdater->setValue(++count);
srcLABIt->nextPixel();
} while(dstIt->nextPixel());
dstIt->nextRow();
srcLABIt->nextRow();
}
}
}