void KisFilterRandomPick::processImpl(KisPaintDeviceSP device,
const QRect& applyRect,
const KisFilterConfigurationSP config,
KoUpdater* progressUpdater
) const
{
Q_UNUSED(config);
Q_ASSERT(!device.isNull());
if (progressUpdater) {
progressUpdater->setRange(0, applyRect.width() * applyRect.height());
}
int count = 0;
const KoColorSpace * cs = device->colorSpace();
QVariant value;
int level = (config && config->getProperty("level", value)) ? value.toInt() : 50;
int opacity = (config && config->getProperty("opacity", value)) ? value.toInt() : 100;
double windowsize = (config && config->getProperty("windowsize", value)) ? value.toDouble() : 2.5;
int seedThreshold = rand();
int seedH = rand();
int seedV = rand();
if (config) {
seedThreshold = config->getInt("seedThreshold", seedThreshold);
seedH = config->getInt("seedH", seedH);
seedV = config->getInt("seedV", seedV);
}
KisRandomGenerator randT(seedThreshold);
KisRandomGenerator randH(seedH);
KisRandomGenerator randV(seedV);
KisSequentialIterator dstIt(device, applyRect);
KisRandomConstAccessorSP srcRA = device->createRandomConstAccessorNG(0, 0);
double threshold = (100 - level) / 100.0;
qint16 weights[2];
weights[0] = (255 * opacity) / 100; weights[1] = 255 - weights[0];
const quint8* pixels[2];
KoMixColorsOp * mixOp = cs->mixColorsOp();
do{
if (randT.doubleRandomAt(dstIt.x(), dstIt.y()) > threshold) {
int x = static_cast<int>(dstIt.x() + windowsize * (randH.doubleRandomAt(dstIt.x(), dstIt.y()) - 0.5));
int y = static_cast<int>(dstIt.y() + windowsize * (randV.doubleRandomAt(dstIt.x(), dstIt.y()) -0.5));
srcRA->moveTo(x, y);
pixels[0] = srcRA->oldRawData();
pixels[1] = dstIt.oldRawData();
mixOp->mixColors(pixels, weights, 2, dstIt.rawData());
}
if (progressUpdater) progressUpdater->setValue(++count);
} while(dstIt.nextPixel());
}
/* Function to apply the Emboss effect
*
* data => The image data in RGBA mode.
* Width => Width of image.
* Height => Height of image.
* d => Emboss value
*
* Theory => This is an amazing effect. And the theory is very simple to
* understand. You get the diference between the colors and
* increase it. After this, get the gray tone
*/
void KisEmbossFilter::processImpl(KisPaintDeviceSP device,
const QRect& applyRect,
const KisFilterConfigurationSP config,
KoUpdater* progressUpdater
) const
{
QPoint srcTopLeft = applyRect.topLeft();
Q_ASSERT(device);
//read the filter configuration values from the KisFilterConfiguration object
quint32 embossdepth = config ? config->getInt("depth", 30) : 30;
//the actual filter function from digikam. It needs a pointer to a quint8 array
//with the actual pixel data.
float Depth = embossdepth / 10.0;
int R = 0, G = 0, B = 0;
uchar Gray = 0;
int Width = applyRect.width();
int Height = applyRect.height();
if (progressUpdater) {
progressUpdater->setRange(0, Height);
}
KisSequentialIterator it(device, applyRect);
QColor color1;
QColor color2;
KisRandomConstAccessorSP acc = device->createRandomAccessorNG(srcTopLeft.x(), srcTopLeft.y());
do {
// XXX: COLORSPACE_INDEPENDENCE or at least work IN RGB16A
device->colorSpace()->toQColor(it.oldRawData(), &color1);
acc->moveTo(srcTopLeft.x() + it.x() + Lim_Max(it.x(), 1, Width), srcTopLeft.y() + it.y() + Lim_Max(it.y(), 1, Height));
device->colorSpace()->toQColor(acc->oldRawData(), &color2);
R = abs((int)((color1.red() - color2.red()) * Depth + (quint8_MAX / 2)));
G = abs((int)((color1.green() - color2.green()) * Depth + (quint8_MAX / 2)));
B = abs((int)((color1.blue() - color2.blue()) * Depth + (quint8_MAX / 2)));
Gray = CLAMP((R + G + B) / 3, 0, quint8_MAX);
device->colorSpace()->fromQColor(QColor(Gray, Gray, Gray, color1.alpha()), it.rawData());
if (progressUpdater) { progressUpdater->setValue(it.y()); if(progressUpdater->interrupted()) return; }
} while(it.nextPixel());
}
void KisRainDropsFilter::process(KisConstProcessingInformation srcInfo,
KisProcessingInformation dstInfo,
const QSize& size,
const KisFilterConfiguration* config,
KoUpdater* progressUpdater
) const
{
const KisPaintDeviceSP src = srcInfo.paintDevice();
KisPaintDeviceSP dst = dstInfo.paintDevice();
QPoint dstTopLeft = dstInfo.topLeft();
QPoint srcTopLeft = srcInfo.topLeft();
Q_UNUSED(config);
Q_ASSERT(!src.isNull());
Q_ASSERT(!dst.isNull());
//read the filter configuration values from the KisFilterConfiguration object
quint32 DropSize = config->getInt("dropSize", 80);
quint32 number = config->getInt("number", 80);
quint32 fishEyes = config->getInt("fishEyes", 30);
if (progressUpdater) {
progressUpdater->setRange(0, size.width() * size.height());
}
int count = 0;
if (fishEyes <= 0) fishEyes = 1;
if (fishEyes > 100) fishEyes = 100;
int Width = size.width();
int Height = size.height();
bool** BoolMatrix = CreateBoolArray(Width, Height);
int i, j, k, l, m, n; // loop variables
int Bright; // Bright value for shadows and highlights
int x, y; // center coordinates
int Counter = 0; // Counter (duh !)
int NewSize; // Size of current raindrop
int halfSize; // Half of the current raindrop
int Radius; // Maximum radius for raindrop
int BlurRadius; // Blur Radius
int BlurPixels;
double r, a; // polar coordinates
double OldRadius; // Radius before processing
double NewfishEyes = (double)fishEyes * 0.01; // FishEye fishEyesicients
double s;
double R, G, B;
bool FindAnother = false; // To search for good coordinates
const KoColorSpace * cs = src->colorSpace();
// XXX: move the seed to the config, so the filter can be used as
// and adjustment filter (boud).
// And use a thread-safe random number generator
QDateTime dt = QDateTime::currentDateTime();
QDateTime Y2000(QDate(2000, 1, 1), QTime(0, 0, 0));
srand((uint) dt.secsTo(Y2000));
// Init booleen Matrix.
for (i = 0 ; (i < Width) && !(progressUpdater && progressUpdater->interrupted()) ; ++i) {
for (j = 0 ; (j < Height) && !(progressUpdater && progressUpdater->interrupted()); ++j) {
BoolMatrix[i][j] = false;
}
}
KisRandomAccessorSP dstAccessor = dst->createRandomAccessorNG(dstTopLeft.x(), dstTopLeft.y());
KisRandomConstAccessorSP srcAccessor = src->createRandomConstAccessorNG(dstTopLeft.x(), dstTopLeft.y());
for (uint NumBlurs = 0; (NumBlurs <= number) && !(progressUpdater && progressUpdater->interrupted()); ++NumBlurs) {
NewSize = (int)(rand() * ((double)(DropSize - 5) / RAND_MAX) + 5);
halfSize = NewSize / 2;
Radius = halfSize;
s = Radius / log(NewfishEyes * Radius + 1);
Counter = 0;
do {
FindAnother = false;
y = (int)(rand() * ((double)(Width - 1) / RAND_MAX));
x = (int)(rand() * ((double)(Height - 1) / RAND_MAX));
if (BoolMatrix[y][x])
FindAnother = true;
else
for (i = x - halfSize ; (i <= x + halfSize) && !(progressUpdater && progressUpdater->interrupted()); i++)
for (j = y - halfSize ; (j <= y + halfSize) && !(progressUpdater && progressUpdater->interrupted()); j++)
if ((i >= 0) && (i < Height) && (j >= 0) && (j < Width))
if (BoolMatrix[j][i])
FindAnother = true;
Counter++;
} while ((FindAnother && (Counter < 10000) && !(progressUpdater && progressUpdater->interrupted())));
if (Counter >= 10000) {
NumBlurs = number;
break;
}
for (i = -1 * halfSize ; (i < NewSize - halfSize) && !(progressUpdater && progressUpdater->interrupted()); i++) {
for (j = -1 * halfSize ; (j < NewSize - halfSize) && !(progressUpdater && progressUpdater->interrupted()); j++) {
r = sqrt(i * i + j * j);
a = atan2(static_cast<double>(i), static_cast<double>(j));
if (r <= Radius) {
OldRadius = r;
r = (exp(r / s) - 1) / NewfishEyes;
k = x + (int)(r * sin(a));
l = y + (int)(r * cos(a));
m = x + i;
n = y + j;
if ((k >= 0) && (k < Height) && (l >= 0) && (l < Width)) {
if ((m >= 0) && (m < Height) && (n >= 0) && (n < Width)) {
Bright = 0;
if (OldRadius >= 0.9 * Radius) {
if ((a <= 0) && (a > -2.25))
Bright = -80;
else if ((a <= -2.25) && (a > -2.5))
Bright = -40;
else if ((a <= 0.25) && (a > 0))
Bright = -40;
}
else if (OldRadius >= 0.8 * Radius) {
if ((a <= -0.75) && (a > -1.50))
Bright = -40;
else if ((a <= 0.10) && (a > -0.75))
Bright = -30;
else if ((a <= -1.50) && (a > -2.35))
Bright = -30;
}
else if (OldRadius >= 0.7 * Radius) {
if ((a <= -0.10) && (a > -2.0))
Bright = -20;
else if ((a <= 2.50) && (a > 1.90))
Bright = 60;
}
else if (OldRadius >= 0.6 * Radius) {
if ((a <= -0.50) && (a > -1.75))
Bright = -20;
else if ((a <= 0) && (a > -0.25))
Bright = 20;
else if ((a <= -2.0) && (a > -2.25))
Bright = 20;
}
else if (OldRadius >= 0.5 * Radius) {
if ((a <= -0.25) && (a > -0.50))
Bright = 30;
else if ((a <= -1.75) && (a > -2.0))
Bright = 30;
}
else if (OldRadius >= 0.4 * Radius) {
if ((a <= -0.5) && (a > -1.75))
Bright = 40;
}
else if (OldRadius >= 0.3 * Radius) {
if ((a <= 0) && (a > -2.25))
Bright = 30;
}
else if (OldRadius >= 0.2 * Radius) {
if ((a <= -0.5) && (a > -1.75))
Bright = 20;
}
BoolMatrix[n][m] = true;
QColor originalColor;
srcAccessor->moveTo(srcTopLeft.x() + l, srcTopLeft.y() + k);
cs->toQColor(srcAccessor->oldRawData(), &originalColor);
int newRed = CLAMP(originalColor.red() + Bright, 0, quint8_MAX);
int newGreen = CLAMP(originalColor.green() + Bright, 0, quint8_MAX);
int newBlue = CLAMP(originalColor.blue() + Bright, 0, quint8_MAX);
QColor newColor;
newColor.setRgb(newRed, newGreen, newBlue);
dstAccessor->moveTo(dstTopLeft.x() + n, dstTopLeft.y() + m);
cs->fromQColor(newColor, dstAccessor->rawData());
}
}
}
}
}
BlurRadius = NewSize / 25 + 1;
for (i = -1 * halfSize - BlurRadius ; (i < NewSize - halfSize + BlurRadius) && !(progressUpdater && progressUpdater->interrupted()) ; i++) {
for (j = -1 * halfSize - BlurRadius;
((j < NewSize - halfSize + BlurRadius) && !(progressUpdater && progressUpdater->interrupted()));
++j) {
r = sqrt(i * i + j * j);
if (r <= Radius * 1.1) {
R = G = B = 0;
BlurPixels = 0;
for (k = -1 * BlurRadius; k < BlurRadius + 1; k++)
for (l = -1 * BlurRadius; l < BlurRadius + 1; l++) {
m = x + i + k;
n = y + j + l;
if ((m >= 0) && (m < Height) && (n >= 0) && (n < Width)) {
QColor color;
dstAccessor->moveTo(dstTopLeft.x() + n, dstTopLeft.y() + m);
cs->toQColor(dstAccessor->rawData(), &color);
R += color.red();
G += color.green();
B += color.blue();
BlurPixels++;
}
}
m = x + i;
n = y + j;
if ((m >= 0) && (m < Height) && (n >= 0) && (n < Width)) {
QColor color;
color.setRgb((int)(R / BlurPixels), (int)(G / BlurPixels), (int)(B / BlurPixels));
dstAccessor->moveTo(dstTopLeft.x() + n, dstTopLeft.y() + m);
cs->fromQColor(color, dstAccessor->rawData());
}
}
}
}
if (progressUpdater) progressUpdater->setValue(++count);
}
FreeBoolArray(BoolMatrix, Width);
}
void KisSmudgeRadiusOption::apply(KisPainter& painter, const KisPaintInformation& info, qreal scale, qreal posx, qreal posy,KisPaintDeviceSP dev) const
{
double sliderValue = computeValue(info);
int smudgeRadius = (sliderValue * scale);
KoColor color = painter.paintColor();
if (smudgeRadius == 1) {
dev->pixel(posx, posy, &color);
painter.setPaintColor(color);
} else {
const KoColorSpace* cs = dev->colorSpace();
int pixelSize = cs->pixelSize();
quint8* data = new quint8[pixelSize];
static quint8** pixels = new quint8*[2];
qint16* weights = new qint16[2];
pixels[1] = new quint8[pixelSize];
pixels[0] = new quint8[pixelSize];
int loop_increment = 1;
if(smudgeRadius >= 8)
{
loop_increment = (2*smudgeRadius)/16;
}
int i = 0;
int k = 0;
int j = 0;
KisRandomConstAccessorSP accessor = dev->createRandomConstAccessorNG(0, 0);
for (int y = 0; y <= smudgeRadius; y = y + loop_increment) {
for (int x = 0; x <= smudgeRadius; x = x + loop_increment) {
for(j = 0;j < 2;j++)
{
if(j == 1)
{
y = y*(-1);
}
for(k = 0;k < 2;k++)
{
if(k == 1)
{
x = x*(-1);
}
accessor->moveTo(posx + x, posy + y);
memcpy(pixels[1], accessor->oldRawData(), pixelSize);
if(i == 0)
{
memcpy(pixels[0],accessor->oldRawData(),pixelSize);
}
if (x == 0 && y == 0) {
// Because the sum of the weights must be 255,
// we cheat a bit, and weigh the center pixel differently in order
// to sum to 255 in total
// It's -(counts -1), because we'll add the center one implicitly
// through that calculation
weights[1] = (255 - (i + 1) * (255 /(i+2)));
} else {
weights[1] = 255 /(i+2);
}
i++;
weights[0] = 255 - weights[1];
const quint8** cpixels = const_cast<const quint8**>(pixels);
cs->mixColorsOp()->mixColors(cpixels, weights,2, data);
memcpy(pixels[0],data,pixelSize);
}
x = x*(-1);
}
y = y*(-1);
}
}
KoColor color = KoColor(pixels[0],cs);
painter.setPaintColor(color);
for (i = 0; i < 2; i++){
delete[] pixels[i];
}
// delete[] pixels;
delete[] data;
}
}