void KisBContrastBenchmark::initTestCase()
{
m_colorSpace = KoColorSpaceRegistry::instance()->rgb8();
m_device = new KisPaintDevice(m_colorSpace);
m_color = KoColor(m_colorSpace);
srand(31524744);
int r,g,b;
KisRectIteratorSP it = m_device->createRectIteratorNG(0, 0, GMP_IMAGE_WIDTH, GMP_IMAGE_HEIGHT);
do {
r = rand() % 255;
g = rand() % 255;
b = rand() % 255;
m_color.fromQColor(QColor(r,g,b));
memcpy(it->rawData(), m_color.data(), m_colorSpace->pixelSize());
} while (it->nextPixel());
}
void KisOilPaintFilter::MostFrequentColor(KisPaintDeviceSP src, quint8* dst, const QRect& bounds, int X, int Y, int Radius, int Intensity) const
{
uint I;
double Scale = Intensity / 255.0;
// Alloc some arrays to be used
uchar *IntensityCount = new uchar[(Intensity + 1) * sizeof(uchar)];
const KoColorSpace* cs = src->colorSpace();
QVector<float> channel(cs->channelCount());
QVector<float>* AverageChannels = new QVector<float>[(Intensity + 1)];
// Erase the array
memset(IntensityCount, 0, (Intensity + 1) * sizeof(uchar));
int startx = qMax(X - Radius, bounds.left());
int starty = qMax(Y - Radius, bounds.top());
int width = (2 * Radius) + 1;
if ((startx + width - 1) > bounds.right()) width = bounds.right() - startx + 1;
Q_ASSERT((startx + width - 1) <= bounds.right());
int height = (2 * Radius) + 1;
if ((starty + height) > bounds.bottom()) height = bounds.bottom() - starty + 1;
Q_ASSERT((starty + height - 1) <= bounds.bottom());
KisRectIteratorSP it = src->createRectIteratorNG(startx, starty, width, height);
do {
cs->normalisedChannelsValue(it->rawData(), channel);
I = (uint)(cs->intensity8(it->rawData()) * Scale);
IntensityCount[I]++;
if (IntensityCount[I] == 1) {
AverageChannels[I] = channel;
} else {
for (int i = 0; i < channel.size(); i++) {
AverageChannels[I][i] += channel[i];
}
}
} while (it->nextPixel());
I = 0;
int MaxInstance = 0;
for (int i = 0 ; i <= Intensity ; ++i) {
if (IntensityCount[i] > MaxInstance) {
I = i;
MaxInstance = IntensityCount[i];
}
}
if (MaxInstance != 0) {
channel = AverageChannels[I];
for (int i = 0; i < channel.size(); i++) {
channel[i] /= MaxInstance;
}
cs->fromNormalisedChannelsValue(dst, channel);
} else {
memset(dst, 0, cs->pixelSize());
cs->setOpacity(dst, OPACITY_OPAQUE_U8, 1);
}
delete [] IntensityCount; // free all the arrays
delete [] AverageChannels;
}
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);
}
}
}
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());
}