KisHairyPaintOp::KisHairyPaintOp(const KisBrushBasedPaintOpSettings *settings, KisPainter * painter, KisNodeSP node, KisImageSP image)
: KisPaintOp(painter)
{
Q_UNUSED(image)
Q_ASSERT(settings);
m_dev = node ? node->paintDevice() : 0;
KisBrushOption brushOption;
brushOption.readOptionSetting(settings);
KisBrushSP brush = brushOption.brush();
KisFixedPaintDeviceSP dab = cachedDab(painter->device()->compositionSourceColorSpace());
if (brush->brushType() == IMAGE || brush->brushType() == PIPE_IMAGE) {
dab = brush->paintDevice(source()->colorSpace(), 1.0, 0.0, KisPaintInformation());
}
else {
brush->mask(dab, painter->paintColor(), 1.0, 1.0, 0.0, KisPaintInformation());
}
m_brush.fromDabWithDensity(dab, settings->getDouble(HAIRY_BRISTLE_DENSITY) * 0.01);
m_brush.setInkColor(painter->paintColor());
loadSettings(settings);
m_brush.setProperties(&m_properties);
m_rotationOption.readOptionSetting(settings);
m_opacityOption.readOptionSetting(settings);
m_sizeOption.readOptionSetting(settings);
m_rotationOption.resetAllSensors();
m_opacityOption.resetAllSensors();
m_sizeOption.resetAllSensors();
}
KisBrushSP KisAutoBrushFactory::getOrCreateBrush(const QDomElement& brushDefinition)
{
KisMaskGenerator* mask = KisMaskGenerator::fromXML(brushDefinition.firstChildElement("MaskGenerator"));
bool result;
QLocale c(QLocale::German);
double angle = brushDefinition.attribute("angle", "0.0").toDouble(&result);
if (!result) {
angle = c.toDouble(brushDefinition.attribute("angle"));
}
double randomness = brushDefinition.attribute("randomness", "0.0").toDouble(&result);
if (!result) {
randomness = c.toDouble(brushDefinition.attribute("randomness"));
}
qreal density = brushDefinition.attribute("density", "1.0").toDouble(&result);
if (!result) {
density = c.toDouble(brushDefinition.attribute("density"));
}
double spacing = brushDefinition.attribute("spacing", "1.0").toDouble(&result);
if (!result) {
spacing = c.toDouble(brushDefinition.attribute("spacing"));
}
KisBrushSP brush = new KisAutoBrush(mask, angle, randomness, density);
brush->setSpacing(spacing);
return brush;
}
QPainterPath KisBrushBasedPaintOpSettings::brushOutlineImpl(const KisPaintInformation &info,
OutlineMode mode,
qreal additionalScale,
bool forceOutline)
{
QPainterPath path;
if (forceOutline || mode == CursorIsOutline || mode == CursorIsCircleOutline || mode == CursorTiltOutline) {
KisBrushSP brush = this->brush();
if (!brush) return path;
qreal finalScale = brush->scale() * additionalScale;
QPainterPath realOutline = brush->outline();
if (mode == CursorIsCircleOutline || mode == CursorTiltOutline ||
(forceOutline && mode == CursorNoOutline)) {
QPainterPath ellipse;
ellipse.addEllipse(realOutline.boundingRect());
realOutline = ellipse;
}
path = outlineFetcher()->fetchOutline(info, this, realOutline, finalScale, brush->angle());
if (mode == CursorTiltOutline) {
QPainterPath tiltLine = makeTiltIndicator(info,
realOutline.boundingRect().center(),
realOutline.boundingRect().width() * 0.5,
3.0);
path.addPath(outlineFetcher()->fetchOutline(info, this, tiltLine, finalScale, 0.0, true, realOutline.boundingRect().center().x(), realOutline.boundingRect().center().y()));
}
}
return path;
}
static void dabSizeHelper(KisBrushSP const& brush,
QString const& name, KisDabShape const& shape, int expectedWidth, int expectedHeight)
{
qDebug() << name;
QCOMPARE(brush->maskWidth(shape, 0.0, 0.0, KisPaintInformation()), expectedWidth);
QCOMPARE(brush->maskHeight(shape, 0.0, 0.0, KisPaintInformation()), expectedHeight);
}
KisBrushSP KisPredefinedBrushFactory::getOrCreateBrush(const QDomElement& brushDefinition)
{
KoResourceServer<KisBrush> *rServer = KisBrushServer::instance()->brushServer();
QString brushFileName = brushDefinition.attribute("filename", "");
KisBrushSP brush = rServer->resourceByFilename(brushFileName);
//Fallback for files that still use the old format
if(!brush) {
QFileInfo info(brushFileName);
brush = rServer->resourceByFilename(info.fileName());
}
if(!brush) {
brush = rServer->resources().first();
}
Q_ASSERT(brush);
double spacing = brushDefinition.attribute("spacing", "0.25").toDouble();
brush->setSpacing(spacing);
double angle = brushDefinition.attribute("angle", "0.0").toDouble();
brush->setAngle(angle);
double scale = brushDefinition.attribute("scale", "1.0").toDouble();
brush->setScale(scale);
return brush;
}
KisBrushSP KisAutoBrushFactory::getOrCreateBrush( const QDomElement& brushDefinition )
{
KisMaskGenerator* mask = KisMaskGenerator::fromXML(brushDefinition);
KisBrushSP brush = new KisAutoBrush( mask );
double spacing = brushDefinition.attribute("brush_spacing", "1.0").toDouble();
brush->setSpacing( spacing );
return brush;
}
KisBrushSP KisBrush::fromXML(const QDomElement& element)
{
KisBrushSP brush = KisBrushRegistry::instance()->getOrCreateBrush(element);
if (brush && element.attribute("BrushVersion", "1") == "1") {
brush->setScale(brush->scale() * 2.0);
}
return brush;
}
QRectF KisDuplicateOpSettings::paintOutlineRect(const QPointF& pos, KisImageSP image) const
{
KisBrushSP brush = m_optionsWidget->m_brushOption->brush();
QPointF hotSpot = brush->hotSpot(1.0, 1.0);
QRectF rect = image->pixelToDocument(QRect(0,0, brush->width(), brush->height()) );
rect.translate( pos - hotSpot + QPoint(1,1) );
rect |= duplicateOutlineRect(pos, image);
return rect;
}
void KisDuplicateOpSettings::paintOutline(const QPointF& pos, KisImageSP image, QPainter &painter, const KoViewConverter &converter) const
{
KisBrushSP brush = m_optionsWidget->m_brushOption->brush();
QPointF hotSpot = brush->hotSpot(1.0, 1.0);
painter.setPen(Qt::black);
painter.setBackground(Qt::black);
painter.drawEllipse( converter.documentToView( image->pixelToDocument(QRect(0,0, brush->width(), brush->height()) ).translated( pos - hotSpot + QPoint(1,1) ) ) );
QRectF rect2 = converter.documentToView( duplicateOutlineRect( pos, image ) );
painter.drawLine(rect2.topLeft(), rect2.bottomRight() );
painter.drawLine(rect2.topRight(), rect2.bottomLeft() );
}
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());
}
}
QPainterPath KisBrushBasedPaintOpSettings::brushOutline(const KisPaintInformation &info, OutlineMode mode) const
{
if (mode != CursorIsOutline) return QPainterPath();
KisBrushBasedPaintopOptionWidget *widget = dynamic_cast<KisBrushBasedPaintopOptionWidget*>(optionsWidget());
if (!widget) {
return KisPaintOpSettings::brushOutline(info, mode);
}
KisBrushSP brush = widget->brush();
return outlineFetcher()->fetchOutline(info, this, brush->outline(), brush->scale(), brush->angle());
}
KisBrushSP KisAbrBrushFactory::getOrCreateBrush(const QDomElement& brushDefinition)
{
KoResourceServer<KisBrush>* rServer = KisBrushServer::instance()->brushServer();
QString brushName = brushDefinition.attribute("name", "test_1");
KisBrushSP brush = rServer->getResourceByName(brushName);
if (!brush){
return 0;
}
double spacing = brushDefinition.attribute("spacing", "0.25").toDouble();
brush->setSpacing(spacing);
return brush;
}
void KisAutoBrushTest::testDabSize()
{
KisCircleMaskGenerator* circle = new KisCircleMaskGenerator(10, 0.5, 1.0, 1.0, 2, false);
KisBrushSP a = new KisAutoBrush(circle, 0.0, 0.0);
QCOMPARE(a->width(), 10);
QCOMPARE(a->height(), 5);
dabSizeHelper(a, "Identity", KisDabShape(), 10, 5);
dabSizeHelper(a, "Double", KisDabShape(2.0, 1.0, 0.0), 20, 10);
dabSizeHelper(a, "Halve", KisDabShape(0.5, 1.0, 0.0), 5, 3);
dabSizeHelper(a, "180 deg", KisDabShape(1.0, 1.0, M_PI), 10, 5);
dabSizeHelper(a, "90 deg", KisDabShape(1.0, 1.0, M_PI_2), 6, 10); // ceil rule
dabSizeHelper(a, "-90 deg", KisDabShape(1.0, 1.0, -M_PI_2), 6, 11); // ceil rule
dabSizeHelper(a, "45 deg", KisDabShape(1.0, 1.0, 0.25 * M_PI), 11, 11);
dabSizeHelper(a, "2x, 45d", KisDabShape(2.0, 1.0, 0.25 * M_PI), 22, 22);
dabSizeHelper(a, "0.5x, 45d", KisDabShape(0.5, 1.0, 0.25 * M_PI), 6, 6);
dabSizeHelper(a, "0.5x, 45d", KisDabShape(0.5, 1.0, 0.25 * M_PI), 6, 6);
dabSizeHelper(a, "0.5y", KisDabShape(1.0, 0.5, 0.0), 10, 5);
}
void KisBrushSelectionWidget::setCurrentBrush( KisBrushSP brush)
{
// XXX: clever code have brush plugins know their configuration
// pane, so we don't have to have this if statement and
// have an extensible set of brush types
if ( dynamic_cast<KisAutoBrush*>(brush.data()) ) {
m_brushesTab->setCurrentWidget( m_autoBrushWidget );
m_autoBrushWidget->setBrush(brush);
}
else if (dynamic_cast<KisTextBrush*>(brush.data())) {
m_brushesTab->setCurrentWidget( m_textBrushWidget );
m_textBrushWidget->setBrush(brush);
}
else {
m_brushesTab->setCurrentWidget( m_brushChooser );
m_brushChooser->setBrush(brush);
}
}
void KisAutoBrushWidget::setBrush(KisBrushSP brush)
{
m_autoBrush = brush;
m_brush = brush->image();
// XXX: lock, set and unlock the widgets.
KisAutoBrush* aBrush = dynamic_cast<KisAutoBrush*>(brush.data());
if (aBrush->maskGenerator()->type() == KisMaskGenerator::CIRCLE) {
comboBoxShape->setCurrentIndex(0);
}
else if (aBrush->maskGenerator()->type() == KisMaskGenerator::RECTANGLE) {
comboBoxShape->setCurrentIndex(1);
}
else {
comboBoxShape->setCurrentIndex(2);
}
comboBoxMaskType->setCurrentIndex(comboBoxMaskType->findText(aBrush->maskGenerator()->name()));
inputRadius->setValue(aBrush->maskGenerator()->diameter());
inputRatio->setValue(aBrush->maskGenerator()->ratio());
inputVFade->blockSignals(true);
inputHFade->blockSignals(true);
inputHFade->setValue(aBrush->maskGenerator()->horizontalFade());
inputVFade->setValue(aBrush->maskGenerator()->verticalFade());
inputVFade->blockSignals(false);
inputHFade->blockSignals(false);
inputAngle->setValue(aBrush->angle() * 180 / M_PI);
inputSpikes->setValue(aBrush->maskGenerator()->spikes());
inputSpacing->setValue(aBrush->spacing());
inputSpacing->setExponentRatio(3.0);
inputRandomness->setValue(aBrush->randomness() * 100);
density->setValue(aBrush->density() * 100);
if (!aBrush->maskGenerator()->curveString().isEmpty()) {
KisCubicCurve curve;
curve.fromString(aBrush->maskGenerator()->curveString());
softnessCurve->setCurve(curve);
}
}
void KisAutoBrushTest::testClone()
{
const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
KisCircleMaskGenerator* circle = new KisCircleMaskGenerator(10, 0.7, 0.85, 0.5, 2, true);
KisBrushSP brush = new KisAutoBrush(circle, 0.5, 0.0);
KisPaintInformation info(QPointF(100.0, 100.0), 0.5);
KisFixedPaintDeviceSP fdev1 = new KisFixedPaintDevice(cs);
brush->mask(fdev1, KoColor(Qt::black, cs), KisDabShape(0.8, 1.0, 8.0), info);
QImage res1 = fdev1->convertToQImage(0);
KisBrushSP clone = brush->clone();
KisFixedPaintDeviceSP fdev2 = new KisFixedPaintDevice(cs);
clone->mask(fdev2, KoColor(Qt::black, cs), KisDabShape(0.8, 1.0, 8.0), info);
QImage res2 = fdev2->convertToQImage(0);
QCOMPARE(res1, res2);
}
void KisBrushOp::paintAt(const KisPaintInformation& info)
{
if (!painter()->device()) return;
KisBrushSP brush = m_brush;
Q_ASSERT(brush);
if (!brush) return;
KisPaintInformation adjustedInfo = settings->m_optionsWidget->m_sizeOption->apply(info);
if (!brush->canPaintFor(adjustedInfo))
return;
KisPaintDeviceSP device = painter()->device();
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);
quint8 origOpacity = settings->m_optionsWidget->m_opacityOption->apply(painter(), info.pressure());
KoColor origColor = settings->m_optionsWidget->m_darkenOption->apply(painter(), info.pressure());
double scale = KisPaintOp::scaleForPressure(adjustedInfo.pressure());
KisFixedPaintDeviceSP dab = cachedDab(device->colorSpace());
if (brush->brushType() == IMAGE || brush->brushType() == PIPE_IMAGE) {
dab = brush->image(device->colorSpace(), scale, 0.0, adjustedInfo, xFraction, yFraction);
} else {
KoColor color = painter()->paintColor();
color.convertTo(dab->colorSpace());
brush->mask(dab, color, scale, scale, 0.0, info, xFraction, yFraction);
}
painter()->bltFixed(QPoint(x, y), dab, dab->bounds());
painter()->setOpacity(origOpacity);
painter()->setPaintColor(origColor);
}
void KisSmudgeOp::paintAt(const KisPaintInformation& info)
{
if (!painter()->device()) return;
KisBrushSP brush = m_brush;
Q_ASSERT(brush);
if (!brush) return;
KisPaintInformation adjustedInfo = settings->m_optionsWidget->m_sizeOption->apply(info);
if (! brush->canPaintFor(adjustedInfo))
return;
KisPaintDeviceSP device = painter()->device();
double pScale = KisPaintOp::scaleForPressure(adjustedInfo.pressure());
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);
KisFixedPaintDeviceSP dab = 0;
double scale = KisPaintOp::scaleForPressure(adjustedInfo.pressure());
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 (dstRect.isNull() || dstRect.isEmpty() || !dstRect.isValid()) return;
if (brush->brushType() == IMAGE || brush->brushType() == PIPE_IMAGE) {
dab = brush->image(device->colorSpace(), pScale, 0.0, adjustedInfo, xFraction, yFraction);
dab->convertTo(KoColorSpaceRegistry::instance()->alpha8());
} else {
dab = cachedDab();
KoColor color = painter()->paintColor();
dab->convertTo(KoColorSpaceRegistry::instance()->alpha8());
brush->mask(dab, color, scale, pScale, 0.0, info, xFraction, yFraction);
}
qint32 sw = dab->bounds().width();
qint32 sh = dab->bounds().height();
/* To smudge, one does the following:
* at first, initialize a temporary paint device with a copy of the original (dab-sized piece, really).
* all other times:
reduce the transparency of the temporary paint device so as to let it mix gradually
* combine the temp device with the piece the brush currently is 'painting', according to a mix (opacity)
note that in the first step, this does the actual copying of the data
* this combination is then composited upon the actual image
TODO: what happened exactly in 1.6 (and should happen now) when the dab resizes halfway due to pressure?
*/
int opacity = OPACITY_OPAQUE;
if (!m_firstRun) {
opacity = settings->m_optionsWidget->m_rateOption->apply( opacity, sw, sh, m_srcdev, info.pressure() );
KisRectIterator it = m_srcdev->createRectIterator(0, 0, sw, sh);
KoColorSpace* cs = m_srcdev->colorSpace();
while(!it.isDone()) {
cs->setAlpha(it.rawData(), (cs->alpha(it.rawData()) * opacity) / OPACITY_OPAQUE, 1);
++it;
}
opacity = OPACITY_OPAQUE - opacity;
} else {
m_firstRun = false;
}
KisPainter copyPainter(m_srcdev);
copyPainter.setOpacity(opacity);
copyPainter.bitBlt(0, 0, device, pt.x(), pt.y(), sw, sh);
copyPainter.end();
m_target = new KisPaintDevice(device->colorSpace());
// Looks hacky, but we lost bltMask, or the ability to easily convert alpha8 paintdev to selection?
KisSelectionSP dabAsSelection = new KisSelection();
copyPainter.begin(dabAsSelection);
copyPainter.setOpacity(OPACITY_OPAQUE);
copyPainter.setCompositeOp(COMPOSITE_COPY);
copyPainter.bltFixed(0, 0, dab, 0, 0, sw, sh);
copyPainter.end();
copyPainter.begin(m_target);
copyPainter.setCompositeOp(COMPOSITE_OVER);
copyPainter.setSelection(dabAsSelection);
copyPainter.bitBlt(0, 0, m_srcdev, 0, 0, sw, sh);
copyPainter.end();
qint32 sx = dstRect.x() - x;
qint32 sy = dstRect.y() - y;
sw = dstRect.width();
sh = dstRect.height();
painter()->bitBlt(dstRect.x(), dstRect.y(), m_target, sx, sy, sw, sh);
}
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);
}
KisSpacingInformation KisDuplicateOp::paintAt(const KisPaintInformation& info)
{
if (!painter()->device()) return 1.0;
KisBrushSP brush = m_brush;
if (!brush)
return 1.0;
if (!brush->canPaintFor(info))
return 1.0;
if (!m_duplicateStartIsSet) {
m_duplicateStartIsSet = true;
m_duplicateStart = info.pos();
}
KisPaintDeviceSP realSourceDevice = settings->node()->paintDevice();
qreal scale = m_sizeOption.apply(info);
if (checkSizeTooSmall(scale)) return KisSpacingInformation();
QPointF hotSpot = brush->hotSpot(scale, scale, 0, info);
QPointF pt = info.pos() - hotSpot;
setCurrentScale(scale);
// 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, y;
qreal xFraction, yFraction; // will not be used
splitCoordinate(pt.x(), &x, &xFraction);
splitCoordinate(pt.y(), &y, &yFraction);
QPoint srcPoint;
if(m_moveSourcePoint)
{
srcPoint = QPoint(x - static_cast<qint32>(settings->offset().x()),
y - static_cast<qint32>(settings->offset().y()));
} else {
srcPoint = QPoint(static_cast<qint32>(settings->position().x() - hotSpot.x()),
static_cast<qint32>(settings->position().y() - hotSpot.y()));
}
qint32 sw = brush->maskWidth(scale, 0.0, xFraction, yFraction, info);
qint32 sh = brush->maskHeight(scale, 0.0, xFraction, yFraction, info);
if (srcPoint.x() < 0)
srcPoint.setX(0);
if (srcPoint.y() < 0)
srcPoint.setY(0);
// Perspective correction ?
KisImageWSP image = settings->m_image;
if (m_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;
KisRectIteratorSP dstIt = m_srcdev->createRectIteratorNG(0, 0, sw, sh);
KisRandomSubAccessorSP srcAcc = realSourceDevice->createRandomSubAccessor();
//Action
do {
QPointF p = KisPerspectiveMath::matProd(startM, KisPerspectiveMath::matProd(endM, QPointF(dstIt->x() + x, dstIt->y() + y)) + translat);
srcAcc->moveTo(p);
srcAcc->sampledOldRawData(dstIt->rawData());
} while (dstIt->nextPixel());
} else {
KisPainter copyPainter(m_srcdev);
copyPainter.setCompositeOp(COMPOSITE_COPY);
copyPainter.bitBltOldData(0, 0, realSourceDevice, srcPoint.x(), srcPoint.y(), sw, sh);
copyPainter.end();
}
// heal ?
if (m_healing) {
quint16 srcData[4];
quint16 tmpData[4];
qreal* matrix = new qreal[ 3 * sw * sh ];
// First divide
const KoColorSpace* srcCs = realSourceDevice->colorSpace();
const KoColorSpace* tmpCs = m_srcdev->colorSpace();
KisHLineConstIteratorSP srcIt = realSourceDevice->createHLineConstIteratorNG(x, y, sw);
KisHLineIteratorSP tmpIt = m_srcdev->createHLineIteratorNG(0, 0, sw);
qreal* matrixIt = &matrix[0];
for (int j = 0; j < sh; j++) {
for (int i = 0; i < sw; i++) {
srcCs->toLabA16(srcIt->oldRawData(), (quint8*)srcData, 1);
tmpCs->toLabA16(tmpIt->rawData(), (quint8*)tmpData, 1);
// Division
for (int k = 0; k < 3; k++) {
matrixIt[k] = srcData[k] / (qreal)qMax((int)tmpData [k], 1);
}
srcIt->nextPixel();
tmpIt->nextPixel();
matrixIt += 3;
}
srcIt->nextRow();
tmpIt->nextRow();
}
// Minimize energy
{
int iter = 0;
qreal err;
qreal* solution = new qreal [ 3 * sw * sh ];
do {
err = minimizeEnergy(&matrix[0], &solution[0], sw, sh);
// swap pointers
qreal *tmp = matrix;
matrix = solution;
solution = tmp;
iter++;
} while (err > 0.00001 && iter < 100);
delete [] solution;
}
// Finaly multiply
KisHLineIteratorSP srcIt2 = realSourceDevice->createHLineIteratorNG(x, y, sw);
KisHLineIteratorSP tmpIt2 = m_srcdev->createHLineIteratorNG(0, 0, sw);
matrixIt = &matrix[0];
for (int j = 0; j < sh; j++) {
for (int i = 0; i < sw; i++) {
srcCs->toLabA16(srcIt2->rawData(), (quint8*)srcData, 1);
tmpCs->toLabA16(tmpIt2->rawData(), (quint8*)tmpData, 1);
// Multiplication
for (int k = 0; k < 3; k++) {
tmpData[k] = (int)CLAMP(matrixIt[k] * qMax((int) tmpData[k], 1), 0, 65535);
}
tmpCs->fromLabA16((quint8*)tmpData, tmpIt2->rawData(), 1);
srcIt2->nextPixel();
tmpIt2->nextPixel();
matrixIt += 3;
}
srcIt2->nextRow();
tmpIt2->nextRow();
}
delete [] matrix;
}
static const KoColorSpace *cs = KoColorSpaceRegistry::instance()->alpha8();
static KoColor color(Qt::black, cs);
KisFixedPaintDeviceSP dab =
m_dabCache->fetchDab(cs, color, scale, scale,
0.0, info);
QRect dstRect = QRect(x, y, dab->bounds().width(), dab->bounds().height());
if (dstRect.isEmpty()) return 1.0;
painter()->bitBltWithFixedSelection(dstRect.x(), dstRect.y(),
m_srcdev, dab,
dstRect.width(),
dstRect.height());
painter()->renderMirrorMaskSafe(dstRect, m_srcdev, 0, 0, dab,
!m_dabCache->needSeparateOriginal());
return effectiveSpacing(dstRect.width(), dstRect.height());
}
KisSpacingInformation KisColorSmudgeOp::paintAt(const KisPaintInformation& info)
{
KisBrushSP brush = m_brush;
// Simple error catching
if (!painter()->device() || !brush || !brush->canPaintFor(info))
return 1.0;
// get the scaling factor calculated by the size option
qreal scale = m_sizeOption.apply(info);
qreal rotation = m_rotationOption.apply(info);
if (checkSizeTooSmall(scale)) return KisSpacingInformation();
setCurrentScale(scale);
setCurrentRotation(rotation);
QPointF scatteredPos =
m_scatterOption.apply(info,
brush->maskWidth(scale, rotation, 0, 0, info),
brush->maskHeight(scale, rotation, 0, 0, info));
QPointF hotSpot = brush->hotSpot(scale, scale, rotation, info);
/**
* Update the brush mask.
*
* Upon leaving the function:
* o m_maskDab stores the new mask
* o m_maskBounds stroes the extents of the mask paint device
* o m_dstDabRect stores the destination rect where the mask is going
* to be written to
*/
updateMask(info, scale, rotation, scatteredPos);
QPointF newCenterPos = QRectF(m_dstDabRect).center();
QRect srcDabRect = m_dstDabRect.translated((m_lastPaintPos - newCenterPos).toPoint());
/**
* Save the center of the current dab to know where to read the
* data during the next pass. We do not save scatteredPos here,
* because it may slightly differ from the real center of the
* brush (due to some rounding effects), which will result in
* really weird quality.
*/
m_lastPaintPos = QRectF(m_dstDabRect).center();
KisSpacingInformation spacingInfo =
effectiveSpacing(m_dstDabRect.width(), m_dstDabRect.height(),
m_spacingOption, info);
if (m_firstRun) {
m_firstRun = false;
return spacingInfo;
}
// save the old opacity value and composite mode
quint8 oldOpacity = painter()->opacity();
QString oldModeId = painter()->compositeOp()->id();
qreal fpOpacity = (qreal(oldOpacity) / 255.0) * m_opacityOption.getOpacityf(info);
KoColor color = painter()->paintColor();
if (m_image && m_overlayModeOption.isChecked()) {
m_image->blockUpdates();
m_backgroundPainter->bitBlt(QPoint(), m_image->projection(), srcDabRect);
m_image->unblockUpdates();
}
else {
// IMPORTANT: clear the temporary painting device to color black with zero opacity
// it will only clear the extents of the brush
m_tempDev->clear(QRect(QPoint(), m_dstDabRect.size()));
}
if (m_smudgeRateOption.getMode() == KisSmudgeOption::SMEARING_MODE) {
// cut out the area from the canvas under the brush
// and blit it to the temporary painting device
if(m_smudgeRadiusOption.isChecked())
{
m_smudgeRadiusOption.apply(*m_smudgePainter,info,m_brush->width(),m_dstDabRect.center().x(),m_dstDabRect.center().y(),painter()->device());
color = m_smudgePainter->paintColor();
}
m_smudgePainter->bitBlt(QPoint(), painter()->device(), srcDabRect);
}
else {
QPoint pt = (srcDabRect.topLeft() + hotSpot).toPoint();
// get the pixel on the canvas that lies beneath the hot spot
// of the dab and fill the temporary paint device with that color
KoColor color = painter()->paintColor();
if(m_smudgeRadiusOption.isChecked())
{
m_smudgeRadiusOption.apply(*m_smudgePainter,info,m_brush->width(),pt.x(),pt.y(),painter()->device());
KoColor color2 = m_smudgePainter->paintColor();
m_smudgePainter->fill(0, 0, m_dstDabRect.width(), m_dstDabRect.height(),color2);
}
else
{
KisCrossDeviceColorPickerInt colorPicker(painter()->device(), color);
colorPicker.pickColor(pt.x(), pt.y(), color.data());
m_smudgePainter->fill(0, 0, m_dstDabRect.width(), m_dstDabRect.height(), color);
}
}
// if the user selected the color smudge option
// we will mix some color into the temporary painting device (m_tempDev)
if (m_colorRateOption.isChecked()) {
// this will apply the opacy (selected by the user) to copyPainter
// (but fit the rate inbetween the range 0.0 to (1.0-SmudgeRate))
qreal maxColorRate = qMax<qreal>(1.0 - m_smudgeRateOption.getRate(), 0.2);
m_colorRateOption.apply(*m_colorRatePainter, info, 0.0, maxColorRate, fpOpacity);
// paint a rectangle with the current color (foreground color)
// or a gradient color (if enabled)
// into the temporary painting device and use the user selected
// composite mode
KoColor color = painter()->paintColor();
m_gradientOption.apply(color, m_gradient, info);
m_colorRatePainter->fill(0, 0, m_dstDabRect.width(), m_dstDabRect.height(), color);
}
// if color is disabled (only smudge) and "overlay mode is enabled
// then first blit the region under the brush from the image projection
// to the painting device to prevent a rapid build up of alpha value
// if the color to be smudged is semi transparent
if (m_image && m_overlayModeOption.isChecked() && !m_colorRateOption.isChecked()) {
painter()->setCompositeOp(COMPOSITE_COPY);
painter()->setOpacity(OPACITY_OPAQUE_U8);
m_image->blockUpdates();
painter()->bitBlt(m_dstDabRect.topLeft(), m_image->projection(), m_dstDabRect);
m_image->unblockUpdates();
}
// set opacity calculated by the rate option
m_smudgeRateOption.apply(*painter(), info, 0.0, 1.0, fpOpacity);
// then blit the temporary painting device on the canvas at the current brush position
// the alpha mask (maskDab) will be used here to only blit the pixels that are in the area (shape) of the brush
painter()->setCompositeOp(COMPOSITE_COPY);
painter()->bitBltWithFixedSelection(m_dstDabRect.x(), m_dstDabRect.y(), m_tempDev, m_maskDab, m_dstDabRect.width(), m_dstDabRect.height());
painter()->renderMirrorMaskSafe(m_dstDabRect, m_tempDev, 0, 0, m_maskDab,
!m_dabCache->needSeparateOriginal());
// restore orginal opacy and composite mode values
painter()->setOpacity(oldOpacity);
painter()->setCompositeOp(oldModeId);
return spacingInfo;
}
KisSpacingInformation KisFilterOp::paintAt(const KisPaintInformation& info)
{
if (!painter()) {
return KisSpacingInformation(1.0);
}
if (!m_filter) {
return KisSpacingInformation(1.0);
}
if (!source()) {
return KisSpacingInformation(1.0);
}
KisBrushSP brush = m_brush;
if (!brush) return KisSpacingInformation(1.0);
if (! brush->canPaintFor(info))
return KisSpacingInformation(1.0);
qreal scale = m_sizeOption.apply(info);
if (checkSizeTooSmall(scale)) return KisSpacingInformation();
setCurrentScale(scale);
qreal rotation = m_rotationOption.apply(info);
static const KoColorSpace *cs = KoColorSpaceRegistry::instance()->alpha8();
static KoColor color(Qt::black, cs);
QRect dstRect;
KisFixedPaintDeviceSP dab =
m_dabCache->fetchDab(cs, color, info.pos(),
scale, scale, rotation,
info, 1.0,
&dstRect);
if (dstRect.isEmpty()) return KisSpacingInformation(1.0);
QRect dabRect = dab->bounds();
// sanity check
Q_ASSERT(dstRect.size() == dabRect.size());
// Filter the paint device
QRect neededRect = m_filter->neededRect(dstRect, m_filterConfiguration);
KisPainter p(m_tmpDevice);
if (!m_smudgeMode) {
p.setCompositeOp(COMPOSITE_COPY);
}
p.bitBltOldData(neededRect.topLeft() - dstRect.topLeft(), source(), neededRect);
KisTransaction transaction(m_tmpDevice);
m_filter->process(m_tmpDevice, dabRect, m_filterConfiguration, 0);
transaction.end();
painter()->
bitBltWithFixedSelection(dstRect.x(), dstRect.y(),
m_tmpDevice, dab,
0, 0,
dabRect.x(), dabRect.y(),
dabRect.width(), dabRect.height());
painter()->renderMirrorMaskSafe(dstRect, m_tmpDevice, 0, 0, dab,
!m_dabCache->needSeparateOriginal());
return effectiveSpacing(scale, rotation);
}
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);
}
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);
}