void KisConvolutionFilter::process(KisConstProcessingInformation srcInfo,
KisProcessingInformation dstInfo,
const QSize& size,
const KisFilterConfiguration* config,
KoUpdater* progressUpdater
) const
{
Q_UNUSED(config);
const KisPaintDeviceSP src = srcInfo.paintDevice();
KisPaintDeviceSP dst = dstInfo.paintDevice();
QPoint dstTopLeft = dstInfo.topLeft();
QPoint srcTopLeft = srcInfo.topLeft();
Q_ASSERT(src != 0);
Q_ASSERT(dst != 0);
KisConvolutionPainter painter(dst, dstInfo.selection());
QBitArray channelFlags;
if (config) {
channelFlags = config->channelFlags();
}
if (channelFlags.isEmpty() || !config) {
channelFlags = QBitArray(src->colorSpace()->channelCount(), true);
}
// disable alpha channel
channelFlags.clearBit(1);
painter.setChannelFlags(channelFlags);
painter.setProgress(progressUpdater);
painter.applyMatrix(m_matrix, src, srcTopLeft, dstTopLeft, size, BORDER_REPEAT);
}
void KoPatternGenerator::generate(KisProcessingInformation dstInfo,
const QSize& size,
const KisFilterConfiguration* config,
KoUpdater* progressUpdater) const
{
KisPaintDeviceSP dst = dstInfo.paintDevice();
Q_ASSERT(!dst.isNull());
Q_ASSERT(config);
if (!config) return;
QString patternName = config->getString("pattern", "Grid01.pat");
KoResourceServer<KoPattern> *rserver = KoResourceServerProvider::instance()->patternServer();
KoPattern *pattern = rserver->resourceByName(patternName);
// KoColor c = config->getColor("color");
KisFillPainter gc(dst);
gc.setPattern(pattern);
// gc.setPaintColor(c);
gc.setProgress(progressUpdater);
gc.setChannelFlags(config->channelFlags());
gc.setOpacity(OPACITY_OPAQUE_U8);
gc.setSelection(dstInfo.selection());
gc.setWidth(size.width());
gc.setHeight(size.height());
gc.setFillStyle(KisFillPainter::FillStylePattern);
gc.fillRect(QRect(dstInfo.topLeft(), size), pattern);
gc.end();
}
void KisFilterColorToAlpha::process(KisConstProcessingInformation srcInfo,
KisProcessingInformation dstInfo,
const QSize& size,
const KisFilterConfiguration* config,
KoUpdater* progressUpdater
) const
{
const KisPaintDeviceSP src = srcInfo.paintDevice();
KisPaintDeviceSP dst = dstInfo.paintDevice();
QPoint dstTopLeft = dstInfo.topLeft();
QPoint srcTopLeft = srcInfo.topLeft();
Q_ASSERT(src != 0);
Q_ASSERT(dst != 0);
if (config == 0) config = new KisFilterConfiguration("colortoalpha", 1);
QVariant value;
QColor cTA = (config->getProperty("targetcolor", value)) ? value.value<QColor>() : QColor(255, 255, 255);
int threshold = (config->getProperty("threshold", value)) ? value.toInt() : 0;
qreal thresholdF = threshold;
KisRectIteratorPixel dstIt = dst->createRectIterator(dstTopLeft.x(), dstTopLeft.y(), size.width(), size.height(), dstInfo.selection());
KisRectConstIteratorPixel srcIt = src->createRectConstIterator(srcTopLeft.x(), srcTopLeft.y(), size.width(), size.height(), srcInfo.selection());
int totalCost = size.width() * size.height() / 100;
if (totalCost == 0) totalCost = 1;
int currentProgress = 0;
const KoColorSpace * cs = src->colorSpace();
qint32 pixelsize = cs->pixelSize();
quint8* color = new quint8[pixelsize];
cs->fromQColor(cTA, color);
while (! srcIt.isDone()) {
if (srcIt.isSelected()) {
quint8 d = cs->difference(color, srcIt.oldRawData());
qreal newOpacity; // = cs->opacityF(srcIt.rawData());
if (d >= threshold) {
newOpacity = 1.0;
} else {
newOpacity = d / thresholdF;
}
memcpy(dstIt.rawData(), srcIt.rawData(), pixelsize);
if(newOpacity < cs->opacityF(srcIt.rawData()))
{
cs->setOpacity(dstIt.rawData(), newOpacity, 1);
}
}
if (progressUpdater) progressUpdater->setProgress((++currentProgress) / totalCost);
++srcIt;
++dstIt;
}
delete[] color;
}