void KisFixedPaintDeviceTest::testFill()
{
const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
quint8* red = new quint8[cs->pixelSize()];
memcpy(red, KoColor(Qt::red, cs).data(), cs->pixelSize());
cs->setOpacity(red, quint8(128), 1);
KisFixedPaintDeviceSP dev = new KisFixedPaintDevice(cs);
dev->fill(0, 0, 100, 100, red);
QVERIFY(dev->bounds() == QRect(0, 0, 100, 100));
QVERIFY(cs->opacityU8(dev->data()) == 128);
QVERIFY(memcmp(dev->data(), red, cs->pixelSize()) == 0);
//Compare fill will normal paint device
dev = new KisFixedPaintDevice(cs);
dev->setRect(QRect(0, 0, 150, 150));
dev->initialize();
dev->fill(50, 50, 50, 50, red);
KisPaintDeviceSP dev2 = new KisPaintDevice(cs);
dev2->fill(50, 50, 50, 50, red);
QImage image = dev->convertToQImage(0);
QImage checkImage = dev2->convertToQImage(0, 0, 0, 150, 150);
QPoint errpoint;
if (!TestUtil::compareQImages(errpoint, image, checkImage)) {
image.save("kis_fixed_paint_device_filled_result.png");
checkImage.save("kis_fixed_paint_device_filled_result_expected.png");
QFAIL(QString("Failed to create identical image, first different pixel: %1,%2 \n").arg(errpoint.x()).arg(errpoint.y()).toLatin1());
}
delete[] red;
}
void KisAutoBrushTest::testMaskGeneration()
{
KisCircleMaskGenerator* circle = new KisCircleMaskGenerator(10, 1.0, 1.0, 1.0, 2, false);
KisBrushSP a = new KisAutoBrush(circle, 0.0, 0.0);
const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
KisPaintInformation info(QPointF(100.0, 100.0), 0.5);
// check masking an existing paint device
KisFixedPaintDeviceSP fdev = new KisFixedPaintDevice(cs);
fdev->setRect(QRect(0, 0, 100, 100));
fdev->initialize();
cs->setOpacity(fdev->data(), OPACITY_OPAQUE_U8, 100 * 100);
QPoint errpoint;
QImage result(QString(FILES_DATA_DIR) + QDir::separator() + "result_autobrush_1.png");
QImage image = fdev->convertToQImage(0);
if (!TestUtil::compareQImages(errpoint, image, result)) {
image.save("kis_autobrush_test_1.png");
QFAIL(QString("Failed to create identical image, first different pixel: %1,%2 \n").arg(errpoint.x()).arg(errpoint.y()).toLatin1());
}
// Check creating a mask dab with a single color
fdev = new KisFixedPaintDevice(cs);
a->mask(fdev, KoColor(Qt::black, cs), KisDabShape(), info);
result = QImage(QString(FILES_DATA_DIR) + QDir::separator() + "result_autobrush_3.png");
image = fdev->convertToQImage(0);
if (!TestUtil::compareQImages(errpoint, image, result)) {
image.save("kis_autobrush_test_3.png");
QFAIL(QString("Failed to create identical image, first different pixel: %1,%2 \n").arg(errpoint.x()).arg(errpoint.y()).toLatin1());
}
// Check creating a mask dab with a color taken from a paint device
KoColor red(Qt::red, cs);
cs->setOpacity(red.data(), quint8(128), 1);
KisPaintDeviceSP dev = new KisPaintDevice(cs);
dev->fill(0, 0, 100, 100, red.data());
fdev = new KisFixedPaintDevice(cs);
a->mask(fdev, dev, KisDabShape(), info);
result = QImage(QString(FILES_DATA_DIR) + QDir::separator() + "result_autobrush_4.png");
image = fdev->convertToQImage(0);
if (!TestUtil::compareQImages(errpoint, image, result)) {
image.save("kis_autobrush_test_4.png");
QFAIL(QString("Failed to create identical image, first different pixel: %1,%2 \n").arg(errpoint.x()).arg(errpoint.y()).toLatin1());
}
}
QImage KisAutoBrush::createBrushPreview()
{
srand(0);
srand48(0);
int width = maskWidth(1.0, 0.0, 0.0, 0.0, KisPaintInformation());
int height = maskHeight(1.0, 0.0, 0.0, 0.0, KisPaintInformation());
KisPaintInformation info(QPointF(width * 0.5, height * 0.5), 0.5, 0, 0, 0, 0);
KisFixedPaintDeviceSP fdev = new KisFixedPaintDevice( KoColorSpaceRegistry::instance()->rgb8() );
fdev->setRect(QRect(0, 0, width, height));
fdev->initialize();
mask(fdev,KoColor(Qt::black, fdev->colorSpace()),1.0, 1.0, 0.0, info);
return fdev->convertToQImage(0);
}
void KisFixedPaintDeviceTest::testCreation()
{
const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
KisFixedPaintDeviceSP dev = new KisFixedPaintDevice(cs);
dev = new KisFixedPaintDevice(cs);
QVERIFY(dev->bounds() == QRect());
QVERIFY(*dev->colorSpace() == *cs);
QVERIFY(dev->pixelSize() == cs->pixelSize());
dev->setRect(QRect(0, 0, 100, 100));
QVERIFY(dev->bounds() == QRect(0, 0, 100, 100));
dev->initialize();
QVERIFY(dev->data() != 0);
quint8* data = dev->data();
for (uint i = 0; i < 100 * 100 * cs->pixelSize(); ++i) {
QVERIFY(data[i] == 0);
}
}
void benchmarkSIMD(qreal fade) {
const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
KisFixedPaintDeviceSP dev = new KisFixedPaintDevice(cs);
dev->setRect(QRect(0, 0, 1000, 1000));
dev->initialize();
MaskProcessingData data(dev, cs,
0.0, 1.0,
500, 500, 0);
KisCircleMaskGenerator gen(1000, 1.0, fade, fade, 2, false);
KisBrushMaskApplicatorBase *applicator = gen.applicator();
applicator->initializeData(&data);
QVector<QRect> rects = KritaUtils::splitRectIntoPatches(dev->bounds(), QSize(63, 63));
QBENCHMARK{
Q_FOREACH (const QRect &rc, rects) {
applicator->process(rc);
}
}
void KisFilterOp::paintAt(const KisPaintInformation& info)
{
if (!painter()) {
return;
}
KisFilterSP filter = settings->filter();
if (!filter) {
return;
}
if (!source()) {
return;
}
KisBrushSP brush = m_brush;;
if (!brush) return;
KisPaintInformation adjustedInfo = settings->m_optionsWidget->m_sizeOption->apply(info);
if (! brush->canPaintFor(adjustedInfo))
return;
double pScale = KisPaintOp::scaleForPressure(adjustedInfo.pressure()); // TODO: why is there scale and pScale that seems to contains the same things ?
QPointF hotSpot = brush->hotSpot(pScale, pScale);
QPointF pt = info.pos() - hotSpot;
// Split the coordinates into integer plus fractional parts. The integer
// is where the dab will be positioned and the fractional part determines
// the sub-pixel positioning.
qint32 x;
double xFraction;
qint32 y;
double yFraction;
splitCoordinate(pt.x(), &x, &xFraction);
splitCoordinate(pt.y(), &y, &yFraction);
double scale = KisPaintOp::scaleForPressure(adjustedInfo.pressure());
qint32 maskWidth = brush->maskWidth(scale, 0.0);
qint32 maskHeight = brush->maskHeight(scale, 0.0);
// Filter the paint device
filter->process(KisConstProcessingInformation(source(), QPoint(x, y)),
KisProcessingInformation(m_tmpDevice, QPoint(0, 0)),
QSize(maskWidth, maskHeight),
settings->filterConfig(), 0);
// Apply the mask on the paint device (filter before mask because edge pixels may be important)
KisFixedPaintDeviceSP fixedDab = new KisFixedPaintDevice(m_tmpDevice->colorSpace());
fixedDab->setRect(m_tmpDevice->extent());
fixedDab->initialize();
m_tmpDevice->readBytes(fixedDab->data(), fixedDab->bounds());
brush->mask(fixedDab, scale, scale, 0.0, info, xFraction, yFraction);
m_tmpDevice->writeBytes(fixedDab->data(), fixedDab->bounds());
if (!settings->ignoreAlpha()) {
KisHLineIteratorPixel itTmpDev = m_tmpDevice->createHLineIterator(0, 0, maskWidth);
KisHLineIteratorPixel itSrc = source()->createHLineIterator(x, y, maskWidth);
const KoColorSpace* cs = m_tmpDevice->colorSpace();
for (int y = 0; y < maskHeight; ++y) {
while (!itTmpDev.isDone()) {
quint8 alphaTmpDev = cs->alpha(itTmpDev.rawData());
quint8 alphaSrc = cs->alpha(itSrc.rawData());
cs->setAlpha(itTmpDev.rawData(), qMin(alphaTmpDev, alphaSrc), 1);
++itTmpDev;
++itSrc;
}
itTmpDev.nextRow();
itSrc.nextRow();
}
}
// Blit the paint device onto the layer
QRect dabRect = QRect(0, 0, maskWidth, maskHeight);
QRect dstRect = QRect(x, y, dabRect.width(), dabRect.height());
if (painter()->bounds().isValid()) {
dstRect &= painter()->bounds();
}
if (dstRect.isNull() || dstRect.isEmpty() || !dstRect.isValid()) return;
qint32 sx = dstRect.x() - x;
qint32 sy = dstRect.y() - y;
qint32 sw = dstRect.width();
qint32 sh = dstRect.height();
painter()->bitBlt(dstRect.x(), dstRect.y(), m_tmpDevice, sx, sy, sw, sh);
}
void KisAutoBrush::generateMaskAndApplyMaskOrCreateDab(KisFixedPaintDeviceSP dst,
KisBrush::ColoringInformation* coloringInformation,
double scaleX, double scaleY, double angle,
const KisPaintInformation& info,
double subPixelX , double subPixelY, qreal softnessFactor) const
{
Q_UNUSED(info);
// Generate the paint device from the mask
const KoColorSpace* cs = dst->colorSpace();
quint32 pixelSize = cs->pixelSize();
// mask dimension methods already includes KisBrush::angle()
int dstWidth = maskWidth(scaleX, angle, subPixelX, subPixelY, info);
int dstHeight = maskHeight(scaleY, angle, subPixelX, subPixelY, info);
QPointF hotSpot = this->hotSpot(scaleX, scaleY, angle, info);
// mask size and hotSpot function take the KisBrush rotation into account
angle += KisBrush::angle();
// if there's coloring information, we merely change the alpha: in that case,
// the dab should be big enough!
if (coloringInformation) {
// old bounds
QRect oldBounds = dst->bounds();
// new bounds. we don't care if there is some extra memory occcupied.
dst->setRect(QRect(0, 0, dstWidth, dstHeight));
if (dstWidth * dstHeight <= oldBounds.width() * oldBounds.height()) {
// just clear the data in dst,
memset(dst->data(), OPACITY_TRANSPARENT_U8, dstWidth * dstHeight * dst->pixelSize());
} else {
// enlarge the data
dst->initialize();
}
} else {
if (dst->data() == 0 || dst->bounds().isEmpty()) {
qWarning() << "Creating a default black dab: no coloring info and no initialized paint device to mask";
dst->clear(QRect(0, 0, dstWidth, dstHeight));
}
Q_ASSERT(dst->bounds().width() >= dstWidth && dst->bounds().height() >= dstHeight);
}
quint8* dabPointer = dst->data();
quint8* color = 0;
if (coloringInformation) {
if (dynamic_cast<PlainColoringInformation*>(coloringInformation)) {
color = const_cast<quint8*>(coloringInformation->color());
}
}
double invScaleX = 1.0 / scaleX;
double invScaleY = 1.0 / scaleY;
double centerX = hotSpot.x() - 0.5 + subPixelX;
double centerY = hotSpot.y() - 0.5 + subPixelY;
d->shape->setSoftness( softnessFactor );
if (coloringInformation) {
if (color && pixelSize == 4) {
fillPixelOptimized_4bytes(color, dabPointer, dstWidth * dstHeight);
} else if (color) {
fillPixelOptimized_general(color, dabPointer, dstWidth * dstHeight, pixelSize);
} else {
for (int y = 0; y < dstHeight; y++) {
for (int x = 0; x < dstWidth; x++) {
memcpy(dabPointer, coloringInformation->color(), pixelSize);
coloringInformation->nextColumn();
dabPointer += pixelSize;
}
coloringInformation->nextRow();
}
}
}
MaskProcessingData data(dst, cs, d->randomness, d->density,
centerX, centerY,
invScaleX, invScaleY,
angle);
KisBrushMaskApplicatorBase *applicator = d->shape->applicator();
applicator->initializeData(&data);
int jobs = d->idealThreadCountCached;
if(dstHeight > 100 && jobs >= 4) {
int splitter = dstHeight/jobs;
QVector<QRect> rects;
for(int i = 0; i < jobs - 1; i++) {
rects << QRect(0, i*splitter, dstWidth, splitter);
}
rects << QRect(0, (jobs - 1)*splitter, dstWidth, dstHeight - (jobs - 1)*splitter);
OperatorWrapper wrapper(applicator);
QtConcurrent::blockingMap(rects, wrapper);
} else {
QRect rect(0, 0, dstWidth, dstHeight);
applicator->process(rect);
}
}
void KisDuplicateOp::paintAt(const KisPaintInformation& info)
{
if (!painter()) return;
if (!m_duplicateStartIsSet) {
m_duplicateStartIsSet = true;
m_duplicateStart = info.pos();
}
bool heal = settings->healing();
if (!source()) return;
KisBrushSP brush = m_brush;
if (!brush) return;
if (! brush->canPaintFor(info))
return;
double scale = KisPaintOp::scaleForPressure(info.pressure());
QPointF hotSpot = brush->hotSpot(scale, scale);
QPointF pt = info.pos() - hotSpot;
// Split the coordinates into integer plus fractional parts. The integer
// is where the dab will be positioned and the fractional part determines
// the sub-pixel positioning.
qint32 x;
double xFraction;
qint32 y;
double yFraction;
splitCoordinate(pt.x(), &x, &xFraction);
splitCoordinate(pt.y(), &y, &yFraction);
xFraction = yFraction = 0.0;
QPointF srcPointF = pt - settings->offset();
QPoint srcPoint = QPoint(x - static_cast<qint32>(settings->offset().x()),
y - static_cast<qint32>(settings->offset().y()));
qint32 sw = brush->maskWidth(scale, 0.0);
qint32 sh = brush->maskHeight(scale, 0.0);
if (srcPoint.x() < 0)
srcPoint.setX(0);
if (srcPoint.y() < 0)
srcPoint.setY(0);
if (!(m_srcdev && !(*m_srcdev->colorSpace() == *source()->colorSpace()))) {
m_srcdev = new KisPaintDevice(source()->colorSpace());
}
Q_CHECK_PTR(m_srcdev);
// Perspective correction ?
KisPainter copyPainter(m_srcdev);
KisImageSP image = settings->m_image;
if (settings->perspectiveCorrection() && image && image->perspectiveGrid()->countSubGrids() == 1) {
Matrix3qreal startM = Matrix3qreal::Identity();
Matrix3qreal endM = Matrix3qreal::Identity();
// First look for the grid corresponding to the start point
KisSubPerspectiveGrid* subGridStart = *image->perspectiveGrid()->begin();
QRect r = QRect(0, 0, image->width(), image->height());
#if 1
if (subGridStart) {
startM = KisPerspectiveMath::computeMatrixTransfoFromPerspective(r, *subGridStart->topLeft(), *subGridStart->topRight(), *subGridStart->bottomLeft(), *subGridStart->bottomRight());
}
#endif
#if 1
// Second look for the grid corresponding to the end point
KisSubPerspectiveGrid* subGridEnd = *image->perspectiveGrid()->begin();
if (subGridEnd) {
endM = KisPerspectiveMath::computeMatrixTransfoToPerspective(*subGridEnd->topLeft(), *subGridEnd->topRight(), *subGridEnd->bottomLeft(), *subGridEnd->bottomRight(), r);
}
#endif
// Compute the translation in the perspective transformation space:
QPointF positionStartPaintingT = KisPerspectiveMath::matProd(endM, QPointF(m_duplicateStart));
QPointF duplicateStartPositionT = KisPerspectiveMath::matProd(endM, QPointF(m_duplicateStart) - QPointF(settings->offset()));
QPointF translat = duplicateStartPositionT - positionStartPaintingT;
KisRectIteratorPixel dstIt = m_srcdev->createRectIterator(0, 0, sw, sh);
KisRandomSubAccessorPixel srcAcc = source()->createRandomSubAccessor();
//Action
while (!dstIt.isDone()) {
if (dstIt.isSelected()) {
QPointF p = KisPerspectiveMath::matProd(startM, KisPerspectiveMath::matProd(endM, QPointF(dstIt.x() + x, dstIt.y() + y)) + translat);
srcAcc.moveTo(p);
srcAcc.sampledOldRawData(dstIt.rawData());
}
++dstIt;
}
} else {
// Or, copy the source data on the temporary device:
copyPainter.setCompositeOp(COMPOSITE_COPY);
copyPainter.bitBlt(0, 0, source(), srcPoint.x(), srcPoint.y(), sw, sh);
copyPainter.end();
}
// heal ?
if (heal) {
quint16 dataDevice[4];
quint16 dataSrcDev[4];
double* matrix = new double[ 3 * sw * sh ];
// First divide
const KoColorSpace* deviceCs = source()->colorSpace();
KisHLineConstIteratorPixel deviceIt = source()->createHLineConstIterator(x, y, sw);
KisHLineIteratorPixel srcDevIt = m_srcdev->createHLineIterator(0, 0, sw);
double* matrixIt = &matrix[0];
for (int j = 0; j < sh; j++) {
for (int i = 0; !srcDevIt.isDone(); i++) {
deviceCs->toLabA16(deviceIt.rawData(), (quint8*)dataDevice, 1);
deviceCs->toLabA16(srcDevIt.rawData(), (quint8*)dataSrcDev, 1);
// Division
for (int k = 0; k < 3; k++) {
matrixIt[k] = dataDevice[k] / (double)qMax((int)dataSrcDev [k], 1);
}
++deviceIt;
++srcDevIt;
matrixIt += 3;
}
deviceIt.nextRow();
srcDevIt.nextRow();
}
// Minimize energy
{
int iter = 0;
double err;
double* solution = new double [ 3 * sw * sh ];
do {
err = minimizeEnergy(&matrix[0], &solution[0], sw, sh);
memcpy(&matrix[0], &solution[0], sw * sh * 3 * sizeof(double));
iter++;
} while (err < 0.00001 && iter < 100);
delete [] solution;
}
// Finaly multiply
deviceIt = source()->createHLineIterator(x, y, sw);
srcDevIt = m_srcdev->createHLineIterator(0, 0, sw);
matrixIt = &matrix[0];
for (int j = 0; j < sh; j++) {
for (int i = 0; !srcDevIt.isDone(); i++) {
deviceCs->toLabA16(deviceIt.rawData(), (quint8*)dataDevice, 1);
deviceCs->toLabA16(srcDevIt.rawData(), (quint8*)dataSrcDev, 1);
// Multiplication
for (int k = 0; k < 3; k++) {
dataSrcDev[k] = (int)CLAMP(matrixIt[k] * qMax((int) dataSrcDev[k], 1), 0, 65535);
}
deviceCs->fromLabA16((quint8*)dataSrcDev, srcDevIt.rawData(), 1);
++deviceIt;
++srcDevIt;
matrixIt += 3;
}
deviceIt.nextRow();
srcDevIt.nextRow();
}
delete [] matrix;
}
KisFixedPaintDeviceSP fixedDab = new KisFixedPaintDevice(m_srcdev->colorSpace());
fixedDab->setRect(QRect(0, 0, sw, sh));
fixedDab->initialize();
m_srcdev->readBytes(fixedDab->data(), fixedDab->bounds());
brush->mask(fixedDab, scale, scale, 0.0, info, xFraction, yFraction);
m_srcdev->writeBytes(fixedDab->data(), fixedDab->bounds());
QRect dabRect = QRect(0, 0, brush->maskWidth(scale, 0.0), brush->maskHeight(scale, 0.0));
QRect dstRect = QRect(x, y, dabRect.width(), dabRect.height());
if (painter()->bounds().isValid()) {
dstRect &= painter()->bounds();
}
if (dstRect.isNull() || dstRect.isEmpty() || !dstRect.isValid()) return;
qint32 sx = dstRect.x() - x;
qint32 sy = dstRect.y() - y;
sw = dstRect.width();
sh = dstRect.height();
painter()->bitBlt(dstRect.x(), dstRect.y(), m_srcdev, sx, sy, sw, sh);
}
void KisFixedPaintDeviceTest::testMirroring()
{
QFETCH(QRect, rc);
QFETCH(bool, mirrorHorizontally);
QFETCH(bool, mirrorVertically);
const KoColorSpace *cs = KoColorSpaceRegistry::instance()->rgb8();
KisFixedPaintDeviceSP dev = new KisFixedPaintDevice(cs);
dev->setRect(rc);
dev->initialize();
KoColor c(Qt::black, cs);
qsrand(1);
int value = 0;
for (int i = rc.x(); i < rc.x() + rc.width(); i++) {
for (int j = rc.y(); j < rc.y() + rc.height(); j++) {
setPixel(dev, i, j, value);
value = qrand() % 255;
}
value = qrand() % 255;
}
//dev->convertToQImage(0).save("0_a.png");
dev->mirror(mirrorHorizontally, mirrorVertically);
//dev->convertToQImage(0).save("0_b.png");
int startX;
int endX;
int incX;
int startY;
int endY;
int incY;
if (mirrorHorizontally) {
startX = rc.x() + rc.width() - 1;
endX = rc.x() - 1;
incX = -1;
} else {
startX = rc.x();
endX = rc.x() + rc.width();
incX = 1;
}
if (mirrorVertically) {
startY = rc.y() + rc.height() - 1;
endY = rc.y() - 1;
incY = -1;
} else {
startY = rc.y();
endY = rc.y() + rc.height();
incY = 1;
}
qsrand(1);
value = 0;
for (int i = startX; i != endX ; i += incX) {
for (int j = startY; j != endY; j += incY) {
QCOMPARE(pixel(dev, i, j), (quint8)value);
value = qrand() % 255;
}
value = qrand() % 255;
}
}
void KisBrush::generateMaskAndApplyMaskOrCreateDab(KisFixedPaintDeviceSP dst,
ColoringInformation* coloringInformation,
double scaleX, double scaleY, double angle,
const KisPaintInformation& info_,
double subPixelX, double subPixelY, qreal softnessFactor) const
{
Q_ASSERT(valid());
Q_UNUSED(info_);
Q_UNUSED(softnessFactor);
angle += d->angle;
// Make sure the angle stay in [0;2*M_PI]
if (angle < 0) angle += 2 * M_PI;
if (angle > 2 * M_PI) angle -= 2 * M_PI;
scaleX *= d->scale;
scaleY *= d->scale;
double scale = 0.5 * (scaleX + scaleY);
prepareBrushPyramid();
QImage outputImage = d->brushPyramid->createImage(scale, -angle, subPixelX, subPixelY);
qint32 maskWidth = outputImage.width();
qint32 maskHeight = outputImage.height();
dst->setRect(QRect(0, 0, maskWidth, maskHeight));
dst->initialize();
quint8* color = 0;
if (coloringInformation) {
if (dynamic_cast<PlainColoringInformation*>(coloringInformation)) {
color = const_cast<quint8*>(coloringInformation->color());
}
}
const KoColorSpace *cs = dst->colorSpace();
qint32 pixelSize = cs->pixelSize();
quint8 *dabPointer = dst->data();
quint8 *rowPointer = dabPointer;
quint8 *alphaArray = new quint8[maskWidth];
bool hasColor = this->hasColor();
for (int y = 0; y < maskHeight; y++) {
#if QT_VERSION >= 0x040700
const quint8* maskPointer = outputImage.constScanLine(y);
#else
const quint8* maskPointer = outputImage.scanLine(y);
#endif
if (coloringInformation) {
for (int x = 0; x < maskWidth; x++) {
if (color) {
memcpy(dabPointer, color, pixelSize);
}
else {
memcpy(dabPointer, coloringInformation->color(), pixelSize);
coloringInformation->nextColumn();
}
dabPointer += pixelSize;
}
}
if (hasColor) {
const quint8 *src = maskPointer;
quint8 *dst = alphaArray;
for (int x = 0; x < maskWidth; x++) {
const QRgb *c = reinterpret_cast<const QRgb*>(src);
*dst = KoColorSpaceMaths<quint8>::multiply(255 - qGray(*c), qAlpha(*c));
src += 4;
dst++;
}
}
else {
const quint8 *src = maskPointer;
quint8 *dst = alphaArray;
for (int x = 0; x < maskWidth; x++) {
const QRgb *c = reinterpret_cast<const QRgb*>(src);
*dst = KoColorSpaceMaths<quint8>::multiply(255 - *src, qAlpha(*c));
src += 4;
dst++;
}
}
cs->applyAlphaU8Mask(rowPointer, alphaArray, maskWidth);
rowPointer += maskWidth * pixelSize;
dabPointer = rowPointer;
if (!color && coloringInformation) {
coloringInformation->nextRow();
}
}
delete alphaArray;
}
qreal KisFilterOp::paintAt(const KisPaintInformation& info)
{
if (!painter()) {
return 1.0;
}
if (!m_filter) {
return 1.0;
}
if (!source()) {
return 1.0;
}
KisBrushSP brush = m_brush;;
if (!brush) return 1.0;
if (! brush->canPaintFor(info))
return 1.0;
qreal scale = KisPaintOp::scaleForPressure(m_sizeOption.apply(info));
if ((scale * brush->width()) <= 0.01 || (scale * brush->height()) <= 0.01) return spacing(scale);
setCurrentScale(scale);
QPointF hotSpot = brush->hotSpot(scale, scale);
QPointF pt = info.pos() - hotSpot;
// Split the coordinates into integer plus fractional parts. The integer
// is where the dab will be positioned and the fractional part determines
// the sub-pixel positioning.
qint32 x;
qreal xFraction;
qint32 y;
qreal yFraction;
splitCoordinate(pt.x(), &x, &xFraction);
splitCoordinate(pt.y(), &y, &yFraction);
qint32 maskWidth = brush->maskWidth(scale, 0.0);
qint32 maskHeight = brush->maskHeight(scale, 0.0);
// Filter the paint device
m_filter->process(KisConstProcessingInformation(source(), QPoint(x, y)),
KisProcessingInformation(m_tmpDevice, QPoint(0, 0)),
QSize(maskWidth, maskHeight),
m_filterConfiguration, 0);
// Apply the mask on the paint device (filter before mask because edge pixels may be important)
KisFixedPaintDeviceSP fixedDab = new KisFixedPaintDevice(m_tmpDevice->colorSpace());
fixedDab->setRect(m_tmpDevice->extent());
fixedDab->initialize();
m_tmpDevice->readBytes(fixedDab->data(), fixedDab->bounds());
brush->mask(fixedDab, scale, scale, 0.0, info, xFraction, yFraction);
m_tmpDevice->writeBytes(fixedDab->data(), fixedDab->bounds());
if (!m_ignoreAlpha) {
KisHLineIteratorPixel itTmpDev = m_tmpDevice->createHLineIterator(0, 0, maskWidth);
KisHLineIteratorPixel itSrc = source()->createHLineIterator(x, y, maskWidth);
const KoColorSpace* cs = m_tmpDevice->colorSpace();
for (int y = 0; y < maskHeight; ++y) {
while (!itTmpDev.isDone()) {
quint8 alphaTmpDev = cs->opacityU8(itTmpDev.rawData());
quint8 alphaSrc = cs->opacityU8(itSrc.rawData());
cs->setOpacity(itTmpDev.rawData(), qMin(alphaTmpDev, alphaSrc), 1);
++itTmpDev;
++itSrc;
}
itTmpDev.nextRow();
itSrc.nextRow();
}
}
// Blit the paint device onto the layer
QRect dabRect = QRect(0, 0, maskWidth, maskHeight);
QRect dstRect = QRect(x, y, dabRect.width(), dabRect.height());
if (dstRect.isNull() || dstRect.isEmpty() || !dstRect.isValid()) return 1.0;
qint32 sx = dstRect.x() - x;
qint32 sy = dstRect.y() - y;
qint32 sw = dstRect.width();
qint32 sh = dstRect.height();
painter()->bitBlt(dstRect.x(), dstRect.y(), m_tmpDevice, sx, sy, sw, sh);
return spacing(scale);
}