void KisPaintDeviceTest::testMakeClone()
{
QImage image(QString(FILES_DATA_DIR) + QDir::separator() + "hakonepa.png");
const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
KisPaintDeviceSP srcDev = new KisPaintDevice(cs);
srcDev->convertFromQImage(image, 0);
srcDev->move(10,10);
const KoColorSpace * weirdCS = KoColorSpaceRegistry::instance()->lab16();
KisPaintDeviceSP dstDev = new KisPaintDevice(weirdCS);
dstDev->move(1000,1000);
QVERIFY(!dstDev->fastBitBltPossible(srcDev));
QRect cloneRect(100,100,200,200);
QPoint errpoint;
dstDev->makeCloneFrom(srcDev, cloneRect);
QVERIFY(*dstDev->colorSpace() == *srcDev->colorSpace());
QCOMPARE(dstDev->pixelSize(), srcDev->pixelSize());
QCOMPARE(dstDev->x(), srcDev->x());
QCOMPARE(dstDev->y(), srcDev->y());
QCOMPARE(dstDev->exactBounds(), cloneRect);
QImage srcImage = srcDev->convertToQImage(0, cloneRect.x(), cloneRect.y(),
cloneRect.width(), cloneRect.height());
QImage dstImage = dstDev->convertToQImage(0, cloneRect.x(), cloneRect.y(),
cloneRect.width(), cloneRect.height());
if (!TestUtil::compareQImages(errpoint, dstImage, srcImage)) {
QFAIL(QString("Failed to create identical image, first different pixel: %1,%2 \n").arg(errpoint.x()).arg(errpoint.y()).toLatin1());
}
}
void KisPaintDeviceTest::testCreation()
{
const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
KisPaintDeviceSP dev = new KisPaintDevice(cs);
QVERIFY(dev->objectName().isEmpty());
dev = new KisPaintDevice(cs);
QVERIFY(*dev->colorSpace() == *cs);
QVERIFY(dev->x() == 0);
QVERIFY(dev->y() == 0);
QVERIFY(dev->pixelSize() == cs->pixelSize());
QVERIFY(dev->channelCount() == cs->channelCount());
QVERIFY(dev->dataManager() != 0);
KisImageSP image = new KisImage(0, 1000, 1000, cs, "merge test");
KisPaintLayerSP layer = new KisPaintLayer(image, "bla", 125);
dev = new KisPaintDevice(layer.data(), cs);
QVERIFY(*dev->colorSpace() == *cs);
QVERIFY(dev->x() == 0);
QVERIFY(dev->y() == 0);
QVERIFY(dev->pixelSize() == cs->pixelSize());
QVERIFY(dev->channelCount() == cs->channelCount());
QVERIFY(dev->dataManager() != 0);
// Let the layer go out of scope and see what happens
{
KisPaintLayerSP l2 = new KisPaintLayer(image, "blabla", 250);
dev = new KisPaintDevice(l2.data(), cs);
}
}
void KisMultiwayCut::Private::maskOutKeyStroke(KisPaintDeviceSP keyStrokeDevice, KisPaintDeviceSP mask, const QRect &boundingRect)
{
KIS_ASSERT_RECOVER_RETURN(keyStrokeDevice->pixelSize() == 1);
KIS_ASSERT_RECOVER_RETURN(mask->pixelSize() == 1);
QRegion region =
keyStrokeDevice->region() &
mask->exactBounds() & boundingRect;
Q_FOREACH (const QRect &rc, region.rects()) {
KisSequentialIterator dstIt(keyStrokeDevice, rc);
KisSequentialConstIterator mskIt(mask, rc);
do {
if (*mskIt.rawDataConst() > 0) {
*dstIt.rawData() = 0;
}
} while (dstIt.nextPixel() && mskIt.nextPixel());
}
}
void KisSobelFilter::prepareRow(KisPaintDeviceSP src, quint8* data, quint32 x, quint32 y, quint32 w, quint32 h) const
{
if (y > h - 1) y = h - 1;
quint32 pixelSize = src->pixelSize();
src->readBytes(data, x, y, w, 1);
for (quint32 b = 0; b < pixelSize; b++) {
int offset = pixelSize - b;
data[-offset] = data[b];
data[w * pixelSize + b] = data[(w - 1) * pixelSize + b];
}
}
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;
}
KisPaintDeviceSP initAsymTestDevice(QRect &imageRect, int &pixelSize, QByteArray &initialData)
{
KisPaintDeviceSP dev = new KisPaintDevice(KoColorSpaceRegistry::instance()->rgb8());
pixelSize = dev->pixelSize();
imageRect = QRect(0,0,5,5);
initialData.resize(25 * pixelSize);
quint8 *ptr = (quint8*) initialData.data();
for(int i = 0; i < 25; i++) {
KoColor pixel(QColor(i,i,i,255), dev->colorSpace());
memcpy(ptr, pixel.data(), pixelSize);
ptr += pixelSize;
}
dev->writeBytes((const quint8*)initialData.constData(), imageRect);
return dev;
}
void checkReadWriteRoundTrip(KisPaintDeviceSP dev,
const QRect &rc)
{
KisPaintDeviceSP deviceCopy = new KisPaintDevice(*dev.data());
QRect readRect(10, 10, 20, 20);
int bufSize = rc.width() * rc.height() * dev->pixelSize();
QScopedPointer<quint8> buf1(new quint8[bufSize]);
deviceCopy->readBytes(buf1.data(), rc);
deviceCopy->clear();
QVERIFY(deviceCopy->extent().isEmpty());
QScopedPointer<quint8> buf2(new quint8[bufSize]);
deviceCopy->writeBytes(buf1.data(), rc);
deviceCopy->readBytes(buf2.data(), rc);
QVERIFY(!memcmp(buf1.data(), buf2.data(), bufSize));
}
void KisPaintDeviceTest::testRoundtripReadWrite()
{
const KoColorSpace * cs = KoColorSpaceRegistry::instance()->rgb8();
KisPaintDeviceSP dev = new KisPaintDevice(cs);
QImage image(QString(FILES_DATA_DIR) + QDir::separator() + "tile.png");
dev->convertFromQImage(image, 0);
quint8* bytes = new quint8[cs->pixelSize() * image.width() * image.height()];
memset(bytes, 0, image.width() * image.height() * dev->pixelSize());
dev->readBytes(bytes, image.rect());
KisPaintDeviceSP dev2 = new KisPaintDevice(cs);
dev2->writeBytes(bytes, image.rect());
QVERIFY(dev2->exactBounds() == image.rect());
dev2->convertToQImage(0, 0, 0, image.width(), image.height()).save("readwrite.png");
QPoint pt;
if (!TestUtil::comparePaintDevices(pt, dev, dev2)) {
QFAIL(QString("Failed round trip using readBytes and writeBytes, first different pixel: %1,%2 ").arg(pt.x()).arg(pt.y()).toLatin1());
}
}
void KisPixelizeFilter::process(KisPaintDeviceSP device,
const QRect& applyRect,
const KisFilterConfiguration* configuration,
KoUpdater* progressUpdater
) const
{
QPoint srcTopLeft = applyRect.topLeft();
Q_ASSERT(device);
Q_ASSERT(configuration);
qint32 width = applyRect.width();
qint32 height = applyRect.height();
//read the filter configuration values from the KisFilterConfiguration object
quint32 pixelWidth = configuration->getInt("pixelWidth", 10);
quint32 pixelHeight = configuration->getInt("pixelHeight", 10);
if (pixelWidth == 0) pixelWidth = 1;
if (pixelHeight == 0) pixelHeight = 1;
qint32 pixelSize = device->pixelSize();
QVector<qint32> average(pixelSize);
qint32 count;
if (progressUpdater) {
progressUpdater->setRange(0, applyRect.width() * applyRect.height());
}
qint32 numberOfPixelsProcessed = 0;
for (qint32 y = 0; y < height; y += pixelHeight - (y % pixelHeight)) {
qint32 h = pixelHeight;
h = qMin(h, height - y);
for (qint32 x = 0; x < width; x += pixelWidth - (x % pixelWidth)) {
qint32 w = pixelWidth;
w = qMin(w, width - x);
for (qint32 i = 0; i < pixelSize; i++) {
average[i] = 0;
}
count = 0;
//read
KisRectConstIteratorSP srcIt = device->createRectConstIteratorNG(srcTopLeft.x() + x, srcTopLeft.y() + y, w, h);
do {
for (qint32 i = 0; i < pixelSize; i++) {
average[i] += srcIt->oldRawData()[i];
}
count++;
} while (srcIt->nextPixel());
//average
if (count > 0) {
for (qint32 i = 0; i < pixelSize; i++)
average[i] /= count;
}
//write
KisRectIteratorSP dstIt = device->createRectIteratorNG(srcTopLeft.x() + x, srcTopLeft.y() + y, w, h);
do {
for (int i = 0; i < pixelSize; i++) {
dstIt->rawData()[i] = average[i];
}
} while (dstIt->nextPixel());
if (progressUpdater) progressUpdater->setValue(++numberOfPixelsProcessed);
}
}
}
void KisPaintDeviceTest::testWrappedRandomAccessor()
{
const KoColorSpace *cs = KoColorSpaceRegistry::instance()->rgb8();
KisPaintDeviceSP dev = createWrapAroundPaintDevice(cs);
KoColor c1(Qt::red, cs);
KoColor c2(Qt::green, cs);
dev->setPixel(3, 3, c1);
dev->setPixel(18, 18, c2);
const int pixelSize = dev->pixelSize();
int x;
int y;
x = 3;
y = 3;
KisRandomAccessorSP dstIt = dev->createRandomAccessorNG(x, y);
QVERIFY(!memcmp(dstIt->rawData(), c1.data(), pixelSize));
QCOMPARE(dstIt->numContiguousColumns(x), 17);
QCOMPARE(dstIt->numContiguousRows(y), 17);
x = 23;
y = 23;
dstIt->moveTo(x, y);
QVERIFY(!memcmp(dstIt->rawData(), c1.data(), pixelSize));
QCOMPARE(dstIt->numContiguousColumns(x), 17);
QCOMPARE(dstIt->numContiguousRows(y), 17);
x = 3;
y = 23;
dstIt->moveTo(x, y);
QVERIFY(!memcmp(dstIt->rawData(), c1.data(), pixelSize));
QCOMPARE(dstIt->numContiguousColumns(x), 17);
QCOMPARE(dstIt->numContiguousRows(y), 17);
x = 23;
y = 3;
dstIt->moveTo(x, y);
QVERIFY(!memcmp(dstIt->rawData(), c1.data(), pixelSize));
QCOMPARE(dstIt->numContiguousColumns(x), 17);
QCOMPARE(dstIt->numContiguousRows(y), 17);
x = -17;
y = 3;
dstIt->moveTo(x, y);
QVERIFY(!memcmp(dstIt->rawData(), c1.data(), pixelSize));
QCOMPARE(dstIt->numContiguousColumns(x), 17);
QCOMPARE(dstIt->numContiguousRows(y), 17);
x = 3;
y = -17;
dstIt->moveTo(x, y);
QVERIFY(!memcmp(dstIt->rawData(), c1.data(), pixelSize));
QCOMPARE(dstIt->numContiguousColumns(x), 17);
QCOMPARE(dstIt->numContiguousRows(y), 17);
x = -17;
y = -17;
dstIt->moveTo(x, y);
QVERIFY(!memcmp(dstIt->rawData(), c1.data(), pixelSize));
QCOMPARE(dstIt->numContiguousColumns(x), 17);
QCOMPARE(dstIt->numContiguousRows(y), 17);
}
void KisPaintDeviceTest::testReadBytesWrapAround()
{
const KoColorSpace *cs = KoColorSpaceRegistry::instance()->rgb8();
KisPaintDeviceSP dev = createWrapAroundPaintDevice(cs);
KoColor c1(Qt::red, cs);
KoColor c2(Qt::green, cs);
dev->setPixel(3, 3, c1);
dev->setPixel(18, 18, c2);
const int pixelSize = dev->pixelSize();
{
QRect readRect(10, 10, 20, 20);
QScopedPointer<quint8> buf(new quint8[readRect.width() *
readRect.height() *
pixelSize]);
dev->readBytes(buf.data(), readRect);
//dev->convertToQImage(0, readRect.x(), readRect.y(), readRect.width(), readRect.height()).save("final1.png");
QVERIFY(memcmp(buf.data() + (7 + readRect.width() * 7) * pixelSize, c2.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (8 + readRect.width() * 8) * pixelSize, c2.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (12 + readRect.width() * 12) * pixelSize, c1.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (13 + readRect.width() * 13) * pixelSize, c1.data(), pixelSize));
checkReadWriteRoundTrip(dev, readRect);
}
{
// check weird case when the read rect is larger than wrap rect
QRect readRect(10, 10, 30, 30);
QScopedPointer<quint8> buf(new quint8[readRect.width() *
readRect.height() *
pixelSize]);
dev->readBytes(buf.data(), readRect);
//dev->convertToQImage(0, readRect.x(), readRect.y(), readRect.width(), readRect.height()).save("final2.png");
QVERIFY(memcmp(buf.data() + (7 + readRect.width() * 7) * pixelSize, c2.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (8 + readRect.width() * 8) * pixelSize, c2.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (12 + readRect.width() * 12) * pixelSize, c1.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (13 + readRect.width() * 13) * pixelSize, c1.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (27 + readRect.width() * 7) * pixelSize, c2.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (28 + readRect.width() * 8) * pixelSize, c2.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (7 + readRect.width() * 27) * pixelSize, c2.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (8 + readRect.width() * 28) * pixelSize, c2.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (27 + readRect.width() * 27) * pixelSize, c2.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (28 + readRect.width() * 28) * pixelSize, c2.data(), pixelSize));
checkReadWriteRoundTrip(dev, readRect);
}
{
// even more large
QRect readRect(10, 10, 40, 40);
QScopedPointer<quint8> buf(new quint8[readRect.width() *
readRect.height() *
pixelSize]);
dev->readBytes(buf.data(), readRect);
//dev->convertToQImage(0, readRect.x(), readRect.y(), readRect.width(), readRect.height()).save("final3.png");
QVERIFY(memcmp(buf.data() + (7 + readRect.width() * 7) * pixelSize, c2.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (8 + readRect.width() * 8) * pixelSize, c2.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (12 + readRect.width() * 12) * pixelSize, c1.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (13 + readRect.width() * 13) * pixelSize, c1.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (27 + readRect.width() * 7) * pixelSize, c2.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (28 + readRect.width() * 8) * pixelSize, c2.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (7 + readRect.width() * 27) * pixelSize, c2.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (8 + readRect.width() * 28) * pixelSize, c2.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (27 + readRect.width() * 27) * pixelSize, c2.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (28 + readRect.width() * 28) * pixelSize, c2.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (32 + readRect.width() * 12) * pixelSize, c1.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (33 + readRect.width() * 13) * pixelSize, c1.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (12 + readRect.width() * 32) * pixelSize, c1.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (13 + readRect.width() * 33) * pixelSize, c1.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (32 + readRect.width() * 32) * pixelSize, c1.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (33 + readRect.width() * 33) * pixelSize, c1.data(), pixelSize));
checkReadWriteRoundTrip(dev, readRect);
}
{
// check if the wrap rect contains the read rect entirely
QRect readRect(1, 1, 10, 10);
QScopedPointer<quint8> buf(new quint8[readRect.width() *
readRect.height() *
pixelSize]);
dev->readBytes(buf.data(), readRect);
//dev->convertToQImage(0, readRect.x(), readRect.y(), readRect.width(), readRect.height()).save("final4.png");
QVERIFY(memcmp(buf.data() + (1 + readRect.width() * 1) * pixelSize, c1.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (2 + readRect.width() * 2) * pixelSize, c1.data(), pixelSize));
checkReadWriteRoundTrip(dev, readRect);
}
{
// check if the wrap happens only on vertical side of the rect
QRect readRect(1, 1, 29, 10);
QScopedPointer<quint8> buf(new quint8[readRect.width() *
readRect.height() *
pixelSize]);
dev->readBytes(buf.data(), readRect);
//dev->convertToQImage(0, readRect.x(), readRect.y(), readRect.width(), readRect.height()).save("final5.png");
QVERIFY(memcmp(buf.data() + (1 + readRect.width() * 1) * pixelSize, c1.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (2 + readRect.width() * 2) * pixelSize, c1.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (21 + readRect.width() * 1) * pixelSize, c1.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (22 + readRect.width() * 2) * pixelSize, c1.data(), pixelSize));
checkReadWriteRoundTrip(dev, readRect);
}
{
// check if the wrap happens only on horizontal side of the rect
QRect readRect(1, 1, 10, 29);
QScopedPointer<quint8> buf(new quint8[readRect.width() *
readRect.height() *
pixelSize]);
dev->readBytes(buf.data(), readRect);
//dev->convertToQImage(0, readRect.x(), readRect.y(), readRect.width(), readRect.height()).save("final6.png");
QVERIFY(memcmp(buf.data() + (1 + readRect.width() * 1) * pixelSize, c1.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (2 + readRect.width() * 2) * pixelSize, c1.data(), pixelSize));
QVERIFY(memcmp(buf.data() + (1 + readRect.width() * 21) * pixelSize, c1.data(), pixelSize));
QVERIFY(!memcmp(buf.data() + (2 + readRect.width() * 22) * pixelSize, c1.data(), pixelSize));
checkReadWriteRoundTrip(dev, readRect);
}
}
void cutOneWay(const KoColor &color,
KisPaintDeviceSP src,
KisPaintDeviceSP colorScribble,
KisPaintDeviceSP backgroundScribble,
KisPaintDeviceSP resultDevice,
KisPaintDeviceSP maskDevice,
const QRect &boundingRect)
{
using namespace boost;
KIS_ASSERT_RECOVER_RETURN(src->pixelSize() == 1);
KIS_ASSERT_RECOVER_RETURN(colorScribble->pixelSize() == 1);
KIS_ASSERT_RECOVER_RETURN(backgroundScribble->pixelSize() == 1);
KIS_ASSERT_RECOVER_RETURN(maskDevice->pixelSize() == 1);
KIS_ASSERT_RECOVER_RETURN(*resultDevice->colorSpace() == *color.colorSpace());
KisLazyFillCapacityMap capacityMap(src, colorScribble, backgroundScribble, maskDevice, boundingRect);
KisLazyFillGraph &graph = capacityMap.graph();
std::vector<default_color_type> groups(num_vertices(graph));
std::vector<int> residual_capacity(num_edges(graph), 0);
std::vector<typename graph_traits<KisLazyFillGraph>::vertices_size_type> distance_vec(num_vertices(graph), 0);
std::vector<typename graph_traits<KisLazyFillGraph>::edge_descriptor> predecessor_vec(num_vertices(graph));
auto vertexIndexMap = get(boost::vertex_index, graph);
typedef KisLazyFillGraph::vertex_descriptor Vertex;
Vertex s(Vertex::LABEL_A);
Vertex t(Vertex::LABEL_B);
float maxFlow =
boykov_kolmogorov_max_flow(graph,
capacityMap,
make_iterator_property_map(&residual_capacity[0], get(boost::edge_index, graph)),
get(boost::edge_reverse, graph),
make_iterator_property_map(&predecessor_vec[0], vertexIndexMap),
make_iterator_property_map(&groups[0], vertexIndexMap),
make_iterator_property_map(&distance_vec[0], vertexIndexMap),
vertexIndexMap,
s,
t);
Q_UNUSED(maxFlow);
KisSequentialIterator dstIt(resultDevice, graph.rect());
KisSequentialIterator mskIt(maskDevice, graph.rect());
const int pixelSize = resultDevice->pixelSize();
do {
KisLazyFillGraph::vertex_descriptor v(dstIt.x(), dstIt.y());
long vertex_idx = get(boost::vertex_index, graph, v);
default_color_type label = groups[vertex_idx];
if (label == black_color) {
memcpy(dstIt.rawData(), color.data(), pixelSize);
*mskIt.rawData() = 10 + (int(label) << 4);
}
} while (dstIt.nextPixel() && mskIt.nextPixel());
}
bool KisTIFFWriterVisitor::saveLayerProjection(KisLayer *layer)
{
dbgFile << "visiting on layer" << layer->name() << "";
KisPaintDeviceSP pd = layer->projection();
// Save depth
int depth = 8 * pd->pixelSize() / pd->channelCount();
TIFFSetField(image(), TIFFTAG_BITSPERSAMPLE, depth);
// Save number of samples
if (m_options->alpha) {
TIFFSetField(image(), TIFFTAG_SAMPLESPERPIXEL, pd->channelCount());
uint16 sampleinfo[1] = { EXTRASAMPLE_UNASSALPHA };
TIFFSetField(image(), TIFFTAG_EXTRASAMPLES, 1, sampleinfo);
} else {
TIFFSetField(image(), TIFFTAG_SAMPLESPERPIXEL, pd->channelCount() - 1);
TIFFSetField(image(), TIFFTAG_EXTRASAMPLES, 0);
}
// Save colorspace information
uint16 color_type;
uint16 sample_format = SAMPLEFORMAT_UINT;
if (!writeColorSpaceInformation(image(), pd->colorSpace(), color_type, sample_format)) { // unsupported colorspace
return false;
}
TIFFSetField(image(), TIFFTAG_PHOTOMETRIC, color_type);
TIFFSetField(image(), TIFFTAG_SAMPLEFORMAT, sample_format);
TIFFSetField(image(), TIFFTAG_IMAGEWIDTH, layer->image()->width());
TIFFSetField(image(), TIFFTAG_IMAGELENGTH, layer->image()->height());
// Set the compression options
TIFFSetField(image(), TIFFTAG_COMPRESSION, m_options->compressionType);
TIFFSetField(image(), TIFFTAG_FAXMODE, m_options->faxMode);
TIFFSetField(image(), TIFFTAG_JPEGQUALITY, m_options->jpegQuality);
TIFFSetField(image(), TIFFTAG_ZIPQUALITY, m_options->deflateCompress);
TIFFSetField(image(), TIFFTAG_PIXARLOGQUALITY, m_options->pixarLogCompress);
// Set the predictor
TIFFSetField(image(), TIFFTAG_PREDICTOR, m_options->predictor);
// Use contiguous configuration
TIFFSetField(image(), TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
// Use 8 rows per strip
TIFFSetField(image(), TIFFTAG_ROWSPERSTRIP, 8);
// Save profile
if (m_options->saveProfile) {
const KoColorProfile* profile = pd->colorSpace()->profile();
if (profile && profile->type() == "icc" && !profile->rawData().isEmpty()) {
QByteArray ba = profile->rawData();
TIFFSetField(image(), TIFFTAG_ICCPROFILE, ba.size(), ba.constData());
}
}
tsize_t stripsize = TIFFStripSize(image());
tdata_t buff = _TIFFmalloc(stripsize);
qint32 height = layer->image()->height();
qint32 width = layer->image()->width();
bool r = true;
for (int y = 0; y < height; y++) {
KisHLineConstIteratorSP it = pd->createHLineConstIteratorNG(0, y, width);
switch (color_type) {
case PHOTOMETRIC_MINISBLACK: {
quint8 poses[] = { 0, 1 };
r = copyDataToStrips(it, buff, depth, sample_format, 1, poses);
}
break;
case PHOTOMETRIC_RGB: {
quint8 poses[4];
if (sample_format == SAMPLEFORMAT_IEEEFP) {
poses[2] = 2;
poses[1] = 1;
poses[0] = 0;
poses[3] = 3;
} else {
poses[0] = 2;
poses[1] = 1;
poses[2] = 0;
poses[3] = 3;
}
r = copyDataToStrips(it, buff, depth, sample_format, 3, poses);
}
break;
case PHOTOMETRIC_SEPARATED: {
quint8 poses[] = { 0, 1, 2, 3, 4 };
r = copyDataToStrips(it, buff, depth, sample_format, 4, poses);
}
break;
case PHOTOMETRIC_ICCLAB: {
quint8 poses[] = { 0, 1, 2, 3 };
r = copyDataToStrips(it, buff, depth, sample_format, 3, poses);
}
break;
return false;
}
if (!r) return false;
TIFFWriteScanline(image(), buff, y, (tsample_t) - 1);
}
_TIFFfree(buff);
TIFFWriteDirectory(image());
return true;
}
void KisCubismFilter::cubism(KisPaintDeviceSP src,
const QPoint& srcTopLeft,
KisPaintDeviceSP dst,
const QPoint& dstTopLeft,
const QSize& size,
quint32 tileSize,
quint32 tileSaturation) const
{
Q_ASSERT(src);
Q_ASSERT(dst);
//fill the destination image with the background color (black for now)
KisRectIteratorPixel dstIt = dst->createRectIterator(dstTopLeft.x(), dstTopLeft.y(), size.width(), size.height());
qint32 depth = src->colorSpace()->colorChannelCount();
while (! dstIt.isDone()) {
for (qint32 i = 0; i < depth; i++) {
dstIt.rawData()[i] = 0;
}
++dstIt;
}
//compute number of rows and columns
qint32 cols = (size.width() + tileSize - 1) / tileSize;
qint32 rows = (size.height() + tileSize - 1) / tileSize;
qint32 numTiles = (rows + 1) * (cols + 1);
// setProgressTotalSteps(numTiles);
// setProgressStage(i18n("Applying cubism filter..."),0);
qint32* randomIndices = new qint32[numTiles];
for (qint32 i = 0; i < numTiles; i++) {
randomIndices[i] = i;
}
randomizeIndices(numTiles, randomIndices);
qint32 count = 0;
qint32 i, j, ix, iy;
double x, y, width, height, theta;
KisPolygon *poly = new KisPolygon();
qint32 pixelSize = src->pixelSize();
const quint8 *srcPixel /*= new quint8[ pixelSize ]*/;
quint8 *dstPixel = 0;
KisRandomAccessor srcAccessor = src->createRandomAccessor(0, 0);
while (count < numTiles) {
i = randomIndices[count] / (cols + 1);
j = randomIndices[count] % (cols + 1);
x = j * tileSize + (tileSize / 4.0) - randomDoubleNumber(0, tileSize / 2.0) + dstTopLeft.x();
y = i * tileSize + (tileSize / 4.0) - randomDoubleNumber(0, tileSize / 2.0) + dstTopLeft.y();
width = (tileSize + randomDoubleNumber(0, tileSize / 4.0) - tileSize / 8.0) * tileSaturation;
height = (tileSize + randomDoubleNumber(0, tileSize / 4.0) - tileSize / 8.0) * tileSaturation;
theta = randomDoubleNumber(0, 2 * M_PI);
poly->clear();
poly->addPoint(-width / 2.0, -height / 2.0);
poly->addPoint(width / 2.0, -height / 2.0);
poly->addPoint(width / 2.0, height / 2.0);
poly->addPoint(-width / 2.0, height / 2.0);
poly->rotate(theta);
poly->translate(x, y);
// bounds check on x, y
ix = (qint32) CLAMP(x, dstTopLeft.x(), dstTopLeft.x() + size.width() - 1);
iy = (qint32) CLAMP(y, dstTopLeft.y(), dstTopLeft.y() + size.height() - 1);
//read the pixel at ix, iy
srcAccessor.moveTo(ix, iy);
srcPixel = srcAccessor.rawData();
if (srcPixel[pixelSize - 1]) {
fillPolyColor(src, srcTopLeft, dst, dstTopLeft, size, poly, srcPixel, dstPixel);
}
count++;
// if ((count % 5) == 0) setProgress(count);
}
}
void KisCubismFilter::fillPolyColor(KisPaintDeviceSP src,
const QPoint& srcTopLeft,
KisPaintDeviceSP dst,
const QPoint & dstTopLeft,
const QSize& size,
KisPolygon* poly,
const quint8* col,
quint8* dest) const
// void KisCubismFilter::fillPolyColor (KisPaintDeviceSP src, KisPaintDeviceSP dst, KisPolygon* poly, const quint8* col, quint8* /*s*/, QRect rect) const
{
Q_UNUSED(srcTopLeft);
Q_UNUSED(dest);
qint32 val;
double alpha;
qint32 x, y;
double xx, yy;
double vec[2];
QRect rect(dstTopLeft, size);
qint32 x1 = rect.left(), y1 = rect.top(), x2 = rect.right(), y2 = rect.bottom();
// qint32 selWidth, selHeight;
qint32 *vals, *valsIter, *valsEnd;
qint32 xs, ys, xe, ye;
qint32 sx = (qint32)(*poly)[0].x();
qint32 sy = (qint32)(*poly)[0].y();
qint32 ex = (qint32)(*poly)[1].x();
qint32 ey = (qint32)(*poly)[1].y();
double dist = sqrt((double)(SQR(ex - sx) + SQR(ey - sy)));
double oneOverDist = 0.0;
if (dist > 0.0) {
double oneOverDist = 1 / dist;
vec[0] = (ex - sx) * oneOverDist;
vec[1] = (ey - sy) * oneOverDist;
}
qint32 pixelSize = src->pixelSize();
//get the extents of the polygon
double dMinX, dMinY, dMaxX, dMaxY;
poly->extents(dMinX, dMinY, dMaxX, dMaxY);
qint32 minX = static_cast<qint32>(dMinX);
qint32 minY = static_cast<qint32>(dMinY);
qint32 maxX = static_cast<qint32>(dMaxX);
qint32 maxY = static_cast<qint32>(dMaxY);
qint32 sizeX = (maxX - minX) * SUPERSAMPLE;
qint32 sizeY = (maxY - minY) * SUPERSAMPLE;
qint32 *minScanlines = new qint32[sizeY];
qint32 *minScanlinesIter = minScanlines;
qint32 *maxScanlines = new qint32[sizeY];
qint32 *maxScanlinesIter = maxScanlines;
for (qint32 i = 0; i < sizeY; i++) {
minScanlines[i] = maxX * SUPERSAMPLE;
maxScanlines[i] = minX * SUPERSAMPLE;
}
if (poly->numberOfPoints()) {
qint32 polyNpts = poly->numberOfPoints();
xs = static_cast<qint32>((*poly)[polyNpts-1].x());
ys = static_cast<qint32>((*poly)[polyNpts-1].y());
xe = static_cast<qint32>((*poly)[0].x());
ye = static_cast<qint32>((*poly)[0].y());
xs *= SUPERSAMPLE;
ys *= SUPERSAMPLE;
xe *= SUPERSAMPLE;
ye *= SUPERSAMPLE;
convertSegment(xs, ys, xe, ye, minY * SUPERSAMPLE, minScanlines, maxScanlines, minX* SUPERSAMPLE, maxX* SUPERSAMPLE);
KisPolygon::iterator it;
for (it = poly->begin(); it != poly->end();) {
xs = static_cast<qint32>((*it).x());
ys = static_cast<qint32>((*it).y());
++it;
if (it != poly->end()) {
xe = static_cast<qint32>((*it).x());
ye = static_cast<qint32>((*it).y());
xs *= SUPERSAMPLE;
ys *= SUPERSAMPLE;
xe *= SUPERSAMPLE;
ye *= SUPERSAMPLE;
convertSegment(xs, ys, xe, ye, minY * SUPERSAMPLE, minScanlines, maxScanlines, minX* SUPERSAMPLE, maxX* SUPERSAMPLE);
}
}
}
KisRandomAccessor dstAccessor = dst->createRandomAccessor(0, 0);
KoMixColorsOp * mixOp = src->colorSpace()->mixColorsOp();
quint8* buf = new quint8[pixelSize];
vals = new qint32[sizeX];
// x1 = minX; x2 = maxX; y1 = minY; y2 = maxY;
for (qint32 i = 0; i < sizeY; i++, minScanlinesIter++, maxScanlinesIter++) {
if (!(i % SUPERSAMPLE)) {
memset(vals, 0, sizeof(qint32) * sizeX);
}
yy = static_cast<double>(i) / static_cast<double>(SUPERSAMPLE) + minY;
for (qint32 j = *minScanlinesIter; j < *maxScanlinesIter; j++) {
x = j - minX * SUPERSAMPLE;
vals[x] += 255;
}
if (!((i + 1) % SUPERSAMPLE)) {
y = (i / SUPERSAMPLE) + minY;
if (y >= y1 && y <= y2) {
for (qint32 j = 0; j < sizeX; j += SUPERSAMPLE) {
x = (j / SUPERSAMPLE) + minX;
if (x >= x1 && x <= x2) {
for (val = 0, valsIter = &vals[j], valsEnd = &valsIter[SUPERSAMPLE]; valsIter < valsEnd; valsIter++) {
val += *valsIter;
}
val /= SQR(SUPERSAMPLE);
if (val > 0) {
xx = static_cast<double>(j) / static_cast<double>(SUPERSAMPLE) + minX;
alpha = calcAlphaBlend(vec, oneOverDist, xx - sx, yy - sy);
qint16 weights[2];
weights[0] = static_cast<quint8>(alpha * 255);
weights[1] = 255 - weights[0];
dstAccessor.moveTo(x, y);
memcpy(buf, dstAccessor.rawData(), sizeof(quint8) * pixelSize);
const quint8* colors[2];
colors[0] = col;
colors[1] = buf;
mixOp->mixColors(colors, weights, 2, dstAccessor.rawData());
}
}
}
}
}
}
delete[] buf;
delete[] vals;
delete[] minScanlines;
delete[] maxScanlines;
}
void KisGmicSimpleConvertor::convertToGmicImageFast(KisPaintDeviceSP dev, CImg< float >& gmicImage, QRect rc)
{
KoColorTransformation * pixelToGmicPixelFormat = createTransformation(dev->colorSpace());
if (pixelToGmicPixelFormat == 0)
{
dbgPlugins << "Fall-back to slow color conversion method";
convertToGmicImage(dev, gmicImage, rc);
return;
}
if (rc.isEmpty())
{
dbgPlugins << "Image rectangle is empty! Using supplied gmic layer dimension";
rc = QRect(0,0,gmicImage._width, gmicImage._height);
}
qint32 x = rc.x();
qint32 y = rc.y();
qint32 width = rc.width();
qint32 height = rc.height();
width = width < 0 ? 0 : width;
height = height < 0 ? 0 : height;
const qint32 numChannels = 4;
int greenOffset = gmicImage._width * gmicImage._height;
int blueOffset = greenOffset * 2;
int alphaOffset = greenOffset * 3;
QVector<float *> planes;
planes.append(gmicImage._data);
planes.append(gmicImage._data + greenOffset);
planes.append(gmicImage._data + blueOffset);
planes.append(gmicImage._data + alphaOffset);
KisRandomConstAccessorSP it = dev->createRandomConstAccessorNG(dev->x(), dev->y());
int tileWidth = it->numContiguousColumns(dev->x());
int tileHeight = it->numContiguousRows(dev->y());
Q_ASSERT(tileWidth == 64);
Q_ASSERT(tileHeight == 64);
const KoColorSpace *rgbaFloat32bitcolorSpace = KoColorSpaceRegistry::instance()->colorSpace(RGBAColorModelID.id(),
Float32BitsColorDepthID.id(),
KoColorSpaceRegistry::instance()->rgb8()->profile());
Q_CHECK_PTR(rgbaFloat32bitcolorSpace);
const qint32 dstPixelSize = rgbaFloat32bitcolorSpace->pixelSize();
const qint32 srcPixelSize = dev->pixelSize();
quint8 * dstTile = new quint8[rgbaFloat32bitcolorSpace->pixelSize() * tileWidth * tileHeight];
qint32 dataY = 0;
qint32 imageX = x;
qint32 imageY = y;
it->moveTo(imageX, imageY);
qint32 rowsRemaining = height;
while (rowsRemaining > 0) {
qint32 dataX = 0;
imageX = x;
qint32 columnsRemaining = width;
qint32 numContiguousImageRows = it->numContiguousRows(imageY);
qint32 rowsToWork = qMin(numContiguousImageRows, rowsRemaining);
qint32 convertedTileY = tileHeight - rowsToWork;
Q_ASSERT(convertedTileY >= 0);
while (columnsRemaining > 0) {
qint32 numContiguousImageColumns = it->numContiguousColumns(imageX);
qint32 columnsToWork = qMin(numContiguousImageColumns, columnsRemaining);
qint32 convertedTileX = tileWidth - columnsToWork;
Q_ASSERT(convertedTileX >= 0);
const qint32 dataIdx = dataX + dataY * width;
const qint32 dstTileIndex = convertedTileX + convertedTileY * tileWidth;
const qint32 tileRowStride = (tileWidth - columnsToWork) * dstPixelSize;
const qint32 srcTileRowStride = (tileWidth - columnsToWork) * srcPixelSize;
it->moveTo(imageX, imageY);
quint8 *tileItStart = dstTile + dstTileIndex * dstPixelSize;
// transform tile row by row
quint8 *dstTileIt = tileItStart;
quint8 *srcTileIt = const_cast<quint8*>(it->rawDataConst());
qint32 row = rowsToWork;
while (row > 0)
{
pixelToGmicPixelFormat->transform(srcTileIt, dstTileIt , columnsToWork);
srcTileIt += columnsToWork * srcPixelSize;
srcTileIt += srcTileRowStride;
dstTileIt += columnsToWork * dstPixelSize;
dstTileIt += tileRowStride;
row--;
}
// here we want to copy floats to dstTile, so tileItStart has to point to float buffer
qint32 channelSize = sizeof(float);
for(qint32 i=0; i<numChannels;i++)
{
float * planeIt = planes[i] + dataIdx;
qint32 dataStride = (width - columnsToWork);
quint8* tileIt = tileItStart;
for (qint32 row = 0; row < rowsToWork; row++) {
for (int col = 0; col < columnsToWork; col++) {
memcpy(planeIt, tileIt, channelSize);
tileIt += dstPixelSize;
planeIt += 1;
}
tileIt += tileRowStride;
planeIt += dataStride;
}
// skip channel in tile: red, green, blue, alpha
tileItStart += channelSize;
}
imageX += columnsToWork;
dataX += columnsToWork;
columnsRemaining -= columnsToWork;
}
imageY += rowsToWork;
dataY += rowsToWork;
rowsRemaining -= rowsToWork;
}
delete [] dstTile;
delete pixelToGmicPixelFormat;
}
void SprayBrush::paint(KisPaintDeviceSP dab, KisPaintDeviceSP source,
const KisPaintInformation& info, qreal rotation, qreal scale,
const KoColor &color, const KoColor &bgColor)
{
// initializing painter
if (!m_painter) {
m_painter = new KisPainter(dab);
m_painter->setFillStyle(KisPainter::FillStyleForegroundColor);
m_painter->setMaskImageSize(m_shapeProperties->width, m_shapeProperties->height);
m_dabPixelSize = dab->colorSpace()->pixelSize();
if (m_colorProperties->useRandomHSV) {
m_transfo = dab->colorSpace()->createColorTransformation("hsv_adjustment", QHash<QString, QVariant>());
}
m_brushQImage = m_shapeProperties->image;
if (!m_brushQImage.isNull()) {
m_brushQImage = m_brushQImage.scaled(m_shapeProperties->width, m_shapeProperties->height);
}
m_imageDevice = new KisPaintDevice(dab->colorSpace());
}
qreal x = info.pos().x();
qreal y = info.pos().y();
KisRandomAccessorSP accessor = dab->createRandomAccessorNG(qRound(x), qRound(y));
Q_ASSERT(color.colorSpace()->pixelSize() == dab->pixelSize());
m_inkColor = color;
KisCrossDeviceColorPicker colorPicker(source, m_inkColor);
// apply size sensor
m_radius = m_properties->radius * scale;
// jitter movement
if (m_properties->jitterMovement) {
x = x + ((2 * m_radius * drand48()) - m_radius) * m_properties->amount;
y = y + ((2 * m_radius * drand48()) - m_radius) * m_properties->amount;
}
// this is wrong for every shape except pixel and anti-aliased pixel
if (m_properties->useDensity) {
m_particlesCount = (m_properties->coverage * (M_PI * m_radius * m_radius));
}
else {
m_particlesCount = m_properties->particleCount;
}
QHash<QString, QVariant> params;
qreal nx, ny;
int ix, iy;
qreal angle;
qreal length;
qreal rotationZ = 0.0;
qreal particleScale = 1.0;
bool shouldColor = true;
if (m_colorProperties->fillBackground) {
m_painter->setPaintColor(bgColor);
paintCircle(m_painter, x, y, m_radius);
}
QTransform m;
m.reset();
m.rotateRadians(-rotation + deg2rad(m_properties->brushRotation));
m.scale(m_properties->scale, m_properties->scale);
for (quint32 i = 0; i < m_particlesCount; i++) {
// generate random angle
angle = drand48() * M_PI * 2;
// generate random length
if (m_properties->gaussian) {
length = qBound<qreal>(0.0, m_rand->nextGaussian(0.0, 0.50) , 1.0);
}
else {
length = drand48();
}
if (m_shapeDynamicsProperties->enabled) {
// rotation
rotationZ = rotationAngle();
if (m_shapeDynamicsProperties->followCursor) {
rotationZ = linearInterpolation(rotationZ, angle, m_shapeDynamicsProperties->followCursorWeigth);
}
if (m_shapeDynamicsProperties->followDrawingAngle) {
rotationZ = linearInterpolation(rotationZ, info.drawingAngle(), m_shapeDynamicsProperties->followDrawingAngleWeight);
}
// random size - scale
if (m_shapeDynamicsProperties->randomSize) {
particleScale = drand48();
}
}
// generate polar coordinate
nx = (m_radius * cos(angle) * length);
ny = (m_radius * sin(angle) * length);
// compute the height of the ellipse
ny *= m_properties->aspect;
// transform
m.map(nx, ny, &nx, &ny);
// color transformation
if (shouldColor) {
if (m_colorProperties->sampleInputColor) {
colorPicker.pickOldColor(nx + x, ny + y, m_inkColor.data());
}
// mix the color with background color
if (m_colorProperties->mixBgColor) {
KoMixColorsOp * mixOp = dab->colorSpace()->mixColorsOp();
const quint8 *colors[2];
colors[0] = m_inkColor.data();
colors[1] = bgColor.data();
qint16 colorWeights[2];
int MAX_16BIT = 255;
qreal blend = info.pressure();
colorWeights[0] = static_cast<quint16>(blend * MAX_16BIT);
colorWeights[1] = static_cast<quint16>((1.0 - blend) * MAX_16BIT);
mixOp->mixColors(colors, colorWeights, 2, m_inkColor.data());
}
if (m_colorProperties->useRandomHSV && m_transfo) {
params["h"] = (m_colorProperties->hue / 180.0) * drand48();
params["s"] = (m_colorProperties->saturation / 100.0) * drand48();
params["v"] = (m_colorProperties->value / 100.0) * drand48();
m_transfo->setParameters(params);
m_transfo->transform(m_inkColor.data(), m_inkColor.data() , 1);
}
if (m_colorProperties->useRandomOpacity) {
quint8 alpha = qRound(drand48() * OPACITY_OPAQUE_U8);
m_inkColor.setOpacity(alpha);
m_painter->setOpacity(alpha);
}
if (!m_colorProperties->colorPerParticle) {
shouldColor = false;
}
m_painter->setPaintColor(m_inkColor);
}
qreal jitteredWidth = qMax(qreal(1.0), m_shapeProperties->width * particleScale);
qreal jitteredHeight = qMax(qreal(1.0), m_shapeProperties->height * particleScale);
if (m_shapeProperties->enabled){
switch (m_shapeProperties->shape){
// ellipse
case 0:
{
if (m_shapeProperties->width == m_shapeProperties->height){
paintCircle(m_painter, nx + x, ny + y, qRound(jitteredWidth * 0.5));
}
else {
paintEllipse(m_painter, nx + x, ny + y, qRound(jitteredWidth * 0.5) , qRound(jitteredHeight * 0.5), rotationZ);
}
break;
}
// rectangle
case 1:
{
paintRectangle(m_painter, nx + x, ny + y, qRound(jitteredWidth) , qRound(jitteredHeight), rotationZ);
break;
}
// wu-particle
case 2: {
paintParticle(accessor, m_inkColor, nx + x, ny + y);
break;
}
// pixel
case 3: {
ix = qRound(nx + x);
iy = qRound(ny + y);
accessor->moveTo(ix, iy);
memcpy(accessor->rawData(), m_inkColor.data(), m_dabPixelSize);
break;
}
case 4: {
if (!m_brushQImage.isNull()) {
QTransform m;
m.rotate(rad2deg(rotationZ));
if (m_shapeDynamicsProperties->randomSize) {
m.scale(particleScale, particleScale);
}
m_transformed = m_brushQImage.transformed(m, Qt::SmoothTransformation);
m_imageDevice->convertFromQImage(m_transformed, 0);
KisRandomAccessorSP ac = m_imageDevice->createRandomAccessorNG(0, 0);
QRect rc = m_transformed.rect();
if (m_colorProperties->useRandomHSV && m_transfo) {
for (int y = rc.y(); y < rc.y() + rc.height(); y++) {
for (int x = rc.x(); x < rc.x() + rc.width(); x++) {
ac->moveTo(x, y);
m_transfo->transform(ac->rawData(), ac->rawData() , 1);
}
}
}
ix = qRound(nx + x - rc.width() * 0.5);
iy = qRound(ny + y - rc.height() * 0.5);
m_painter->bitBlt(QPoint(ix, iy), m_imageDevice, rc);
m_imageDevice->clear();
break;
}
}
}
// Auto-brush
}
else {
QPointF hotSpot = m_brush->hotSpot(particleScale, particleScale, -rotationZ, info);
QPointF pos(nx + x, ny + y);
QPointF pt = pos - hotSpot;
qint32 ix;
qreal xFraction;
qint32 iy;
qreal yFraction;
KisPaintOp::splitCoordinate(pt.x(), &ix, &xFraction);
KisPaintOp::splitCoordinate(pt.y(), &iy, &yFraction);
//KisFixedPaintDeviceSP dab;
if (m_brush->brushType() == IMAGE ||
m_brush->brushType() == PIPE_IMAGE) {
m_fixedDab = m_brush->paintDevice(m_fixedDab->colorSpace(), particleScale, -rotationZ, info, xFraction, yFraction);
if (m_colorProperties->useRandomHSV && m_transfo) {
quint8 * dabPointer = m_fixedDab->data();
int pixelCount = m_fixedDab->bounds().width() * m_fixedDab->bounds().height();
m_transfo->transform(dabPointer, dabPointer, pixelCount);
}
}
else {
m_brush->mask(m_fixedDab, m_inkColor, particleScale, particleScale, -rotationZ, info, xFraction, yFraction);
}
m_painter->bltFixed(QPoint(ix, iy), m_fixedDab, m_fixedDab->bounds());
}
}
// recover from jittering of color,
// m_inkColor.opacity is recovered with every paint
}
void KisSobelFilter::process(KisPaintDeviceSP device,
const QRect& applyRect,
const KisFilterConfiguration* configuration,
KoUpdater* progressUpdater
) const
{
QPoint srcTopLeft = applyRect.topLeft();
Q_ASSERT(!device.isNull());
//read the filter configuration values from the KisFilterConfiguration object
bool doHorizontal = configuration->getBool("doHorizontally", true);
bool doVertical = configuration->getBool("doVertically", true);
bool keepSign = configuration->getBool("keepSign", true);
bool makeOpaque = configuration->getBool("makeOpaque", true);
quint32 width = applyRect.width();
quint32 height = applyRect.height();
quint32 pixelSize = device->pixelSize();
int cost = applyRect.height();
/* allocate row buffers */
quint8* prevRow = new quint8[(width + 2) * pixelSize];
Q_CHECK_PTR(prevRow);
quint8* curRow = new quint8[(width + 2) * pixelSize];
Q_CHECK_PTR(curRow);
quint8* nextRow = new quint8[(width + 2) * pixelSize];
Q_CHECK_PTR(nextRow);
quint8* dest = new quint8[ width * pixelSize];
Q_CHECK_PTR(dest);
quint8* pr = prevRow + pixelSize;
quint8* cr = curRow + pixelSize;
quint8* nr = nextRow + pixelSize;
prepareRow(device, pr, srcTopLeft.x(), srcTopLeft.y() - 1, width, height);
prepareRow(device, cr, srcTopLeft.x(), srcTopLeft.y(), width, height);
quint32 counter = 0;
quint8* d;
quint8* tmp;
qint32 gradient, horGradient, verGradient;
// loop through the rows, applying the sobel convolution
KisHLineIteratorSP dstIt = device->createHLineIteratorNG(srcTopLeft.x(), srcTopLeft.y(), width);
for (quint32 row = 0; row < height; row++) {
// prepare the next row
prepareRow(device, nr, srcTopLeft.x(), srcTopLeft.y() + row + 1, width, height);
d = dest;
for (quint32 col = 0; col < width * pixelSize; col++) {
int positive = col + pixelSize;
int negative = col - pixelSize;
horGradient = (doHorizontal ?
((pr[negative] + 2 * pr[col] + pr[positive]) -
(nr[negative] + 2 * nr[col] + nr[positive]))
: 0);
verGradient = (doVertical ?
((pr[negative] + 2 * cr[negative] + nr[negative]) -
(pr[positive] + 2 * cr[positive] + nr[positive]))
: 0);
gradient = (qint32)((doVertical && doHorizontal) ?
(ROUND(RMS(horGradient, verGradient)) / 5.66) // always >0
: (keepSign ? (127 + (ROUND((horGradient + verGradient) / 8.0)))
: (ROUND(qAbs(horGradient + verGradient) / 4.0))));
*d++ = gradient;
if (gradient > 10) counter ++;
}
// shuffle the row pointers
tmp = pr;
pr = cr;
cr = nr;
nr = tmp;
//store the dest
device->writeBytes(dest, srcTopLeft.x(), row, width, 1);
if (makeOpaque) {
do {
device->colorSpace()->setOpacity(dstIt->rawData(), OPACITY_OPAQUE_U8, 1);
} while(dstIt->nextPixel());
dstIt->nextRow();
}
if (progressUpdater) progressUpdater->setProgress(row / cost);
}
delete[] prevRow;
delete[] curRow;
delete[] nextRow;
delete[] dest;
}