void KisConvolutionPainterTest::testAsymmConvolutionImp(QBitArray channelFlags)
{
qreal offset = 0.0;
qreal factor = 1.0;
Eigen::Matrix<qreal, 3, 3> filter = initAsymmFilter(offset, factor);
QRect imageRect;
int pixelSize = -1;
QByteArray initialData;
KisPaintDeviceSP dev = initAsymTestDevice(imageRect, pixelSize, initialData);
KisConvolutionKernelSP kernel =
KisConvolutionKernel::fromMatrix(filter, offset, factor);
KisConvolutionPainter gc(dev);
gc.beginTransaction();
gc.setChannelFlags(channelFlags);
QRect filterRect = imageRect.adjusted(1,1,-1,-1);
gc.applyMatrix(kernel, dev, filterRect.topLeft(), filterRect.topLeft(),
filterRect.size());
gc.deleteTransaction();
QByteArray resultData(initialData.size(), 0);
dev->readBytes((quint8*)resultData.data(), imageRect);
QRect filteredRect = imageRect.adjusted(1, 1, -1, -1);
quint8 *srcPtr = (quint8*) initialData.data();
quint8 *resPtr = (quint8*) resultData.data();
for(int row = 0; row < imageRect.height(); row++) {
for(int col = 0; col < imageRect.width(); col++) {
bool isFiltered = filteredRect.contains(col, row);
int pixelValue = 8 + row * imageRect.width() + col;
KoColor filteredPixel(QColor(pixelValue, pixelValue, pixelValue, 255), dev->colorSpace());
KoColor resultPixel(dev->colorSpace());
for(int j = 0; j < pixelSize; j++) {
resultPixel.data()[j] = isFiltered && channelFlags[j] ?
filteredPixel.data()[j] : srcPtr[j];
}
if(memcmp(resPtr, resultPixel.data(), pixelSize)) {
printPixel("Actual: ", pixelSize, resPtr);
printPixel("Expected:", pixelSize, resultPixel.data());
QFAIL("Failed to filter area");
}
srcPtr += pixelSize;
resPtr += pixelSize;
}
}
}
// #include <valgrind/callgrind.h>
void KisConvolutionPainterTest::benchmarkConvolution()
{
QImage referenceImage(QString(FILES_DATA_DIR) + QDir::separator() + "hakonepa.png");
QRect imageRect(QPoint(), referenceImage.size());
KisPaintDeviceSP dev = new KisPaintDevice(KoColorSpaceRegistry::instance()->rgb8());
dev->convertFromQImage(referenceImage, 0, 0, 0);
qreal offset = 0.0;
qreal factor = 1.0;
Matrix<qreal, 3, 3> filter = initAsymmFilter(offset, factor);
int diameter = 1;
for (int i = 0; i < 10; i++) {
KisCircleMaskGenerator* kas = new KisCircleMaskGenerator(diameter, 1.0, 5, 5, 2);
KisConvolutionKernelSP kernel = KisConvolutionKernel::fromMaskGenerator(kas);
KisConvolutionPainter gc(dev);
QTime timer; timer.start();
// CALLGRIND_START_INSTRUMENTATION;
gc.beginTransaction(0);
gc.applyMatrix(kernel, dev, imageRect.topLeft(), imageRect.topLeft(),
imageRect.size());
gc.deleteTransaction();
// CALLGRIND_STOP_INSTRUMENTATION;
qDebug() << "Diameter:" << diameter << "time:" << timer.elapsed();
if(diameter < 10) {
diameter += 2;
} else {
diameter += 8;
}
}
}
