public static void Apply(Graphics graphics, Bitmap applyBitmap, Rectangle rect, int pixelSize)
{
if(pixelSize <= 1 || rect.Width == 0 || rect.Height == 0) {
// Nothing to do
return;
}
if(rect.Width < pixelSize) pixelSize = rect.Width;
if(rect.Height < pixelSize) pixelSize = rect.Height;
using (BitmapBuffer bbbDest = new BitmapBuffer(applyBitmap, rect)) {
bbbDest.Lock();
using(BitmapBuffer bbbSrc = new BitmapBuffer(applyBitmap, rect)) {
bbbSrc.Lock();
List<Color> colors = new List<Color>();
int halbPixelSize = pixelSize/2;
for(int y=-halbPixelSize;y<bbbSrc.Height+halbPixelSize; y=y+pixelSize) {
for(int x=-halbPixelSize;x<=bbbSrc.Width+halbPixelSize; x=x+pixelSize) {
colors.Clear();
for(int yy=y;yy<y+pixelSize;yy++) {
if (yy >=0 && yy < bbbSrc.Height) {
for(int xx=x;xx<x+pixelSize;xx++) {
colors.Add(bbbSrc.GetColorAt(xx,yy));
}
}
}
Color currentAvgColor = Colors.Mix(colors);
for(int yy=y;yy<=y+pixelSize;yy++) {
if (yy >=0 && yy < bbbSrc.Height) {
for(int xx=x;xx<=x+pixelSize;xx++) {
bbbDest.SetColorAt(xx, yy, currentAvgColor);
}
}
}
}
}
}
bbbDest.DrawTo(graphics, rect.Location);
}
}
public virtual void Apply(Graphics graphics, Bitmap applyBitmap, Rectangle rect, RenderMode renderMode)
{
applyRect = IntersectRectangle(applyBitmap.Size, rect);
if (applyRect.Width == 0 || applyRect.Height == 0) {
// nothing to do
return;
}
bbb = new BitmapBuffer(applyBitmap, applyRect);
try {
bbb.Lock();
for(int y=0;y<bbb.Height; y++) {
for(int x=0;x<bbb.Width; x++) {
if(parent.Contains(applyRect.Left+x, applyRect.Top+y) ^ Invert) {
IteratePixel(x, y);
}
}
}
} finally {
bbb.DrawTo(graphics, applyRect.Location);
bbb.Dispose();
bbb = null;
}
}
public unsafe override void Apply(Graphics graphics, Bitmap applyBitmap, Rectangle rect, RenderMode renderMode)
{
applyRect = IntersectRectangle(applyBitmap.Size, rect);
if (applyRect.Height <= 0 || applyRect.Width <= 0) {
return;
}
int blurRadius = GetFieldValueAsInt(FieldType.BLUR_RADIUS);
double previewQuality = GetFieldValueAsDouble(FieldType.PREVIEW_QUALITY);
// do nothing when nothing can be done!
if (blurRadius < 1) {
return;
}
using (BitmapBuffer bbbDest = new BitmapBuffer(applyBitmap, applyRect)) {
bbbDest.Lock();
using (BitmapBuffer bbbSrc = new BitmapBuffer(applyBitmap, applyRect)) {
bbbSrc.Lock();
Random rand = new Random();
int r = blurRadius;
int[] w = CreateGaussianBlurRow(r);
int wlen = w.Length;
long[] waSums = new long[wlen];
long[] wcSums = new long[wlen];
long[] aSums = new long[wlen];
long[] bSums = new long[wlen];
long[] gSums = new long[wlen];
long[] rSums = new long[wlen];
for (int y = 0; y < applyRect.Height; ++y) {
long waSum = 0;
long wcSum = 0;
long aSum = 0;
long bSum = 0;
long gSum = 0;
long rSum = 0;
for (int wx = 0; wx < wlen; ++wx) {
int srcX = wx - r;
waSums[wx] = 0;
wcSums[wx] = 0;
aSums[wx] = 0;
bSums[wx] = 0;
gSums[wx] = 0;
rSums[wx] = 0;
if (srcX >= 0 && srcX < bbbDest.Width) {
for (int wy = 0; wy < wlen; ++wy) {
int srcY = y + wy - r;
if (srcY >= 0 && srcY < bbbDest.Height) {
int[] colors = bbbSrc.GetColorArrayAt(srcX, srcY);
int wp = w[wy];
waSums[wx] += wp;
wp *= colors[0] + (colors[0] >> 7);
wcSums[wx] += wp;
wp >>= 8;
aSums[wx] += wp * colors[0];
bSums[wx] += wp * colors[3];
gSums[wx] += wp * colors[2];
rSums[wx] += wp * colors[1];
}
}
int wwx = w[wx];
waSum += wwx * waSums[wx];
wcSum += wwx * wcSums[wx];
aSum += wwx * aSums[wx];
bSum += wwx * bSums[wx];
gSum += wwx * gSums[wx];
rSum += wwx * rSums[wx];
}
}
wcSum >>= 8;
if (waSum == 0 || wcSum == 0) {
SetColorAt(bbbDest, 0, y, new int[]{0,0,0,0});
} else {
int alpha = (int)(aSum / waSum);
int blue = (int)(bSum / wcSum);
int green = (int)(gSum / wcSum);
int red = (int)(rSum / wcSum);
SetColorAt(bbbDest, 0, y, new int[]{alpha, red, green, blue});
}
for (int x = 1; x < applyRect.Width; ++x) {
for (int i = 0; i < wlen - 1; ++i) {
waSums[i] = waSums[i + 1];
wcSums[i] = wcSums[i + 1];
aSums[i] = aSums[i + 1];
bSums[i] = bSums[i + 1];
gSums[i] = gSums[i + 1];
rSums[i] = rSums[i + 1];
}
waSum = 0;
wcSum = 0;
aSum = 0;
bSum = 0;
gSum = 0;
rSum = 0;
int wx;
for (wx = 0; wx < wlen - 1; ++wx) {
long wwx = (long)w[wx];
waSum += wwx * waSums[wx];
wcSum += wwx * wcSums[wx];
aSum += wwx * aSums[wx];
bSum += wwx * bSums[wx];
gSum += wwx * gSums[wx];
rSum += wwx * rSums[wx];
}
wx = wlen - 1;
waSums[wx] = 0;
wcSums[wx] = 0;
aSums[wx] = 0;
bSums[wx] = 0;
gSums[wx] = 0;
rSums[wx] = 0;
int srcX = x + wx - r;
if (srcX >= 0 && srcX < applyRect.Width) {
for (int wy = 0; wy < wlen; ++wy) {
int srcY = y + wy - r;
// only when in EDIT mode, ignore some pixels depending on preview quality
if ((renderMode==RenderMode.EXPORT || rand.NextDouble()<previewQuality) && srcY >= 0 && srcY < applyRect.Height) {
int[] colors = bbbSrc.GetColorArrayAt(srcX, srcY);
int wp = w[wy];
waSums[wx] += wp;
wp *= colors[0] + (colors[0] >> 7);
wcSums[wx] += wp;
wp >>= 8;
aSums[wx] += wp * (long)colors[0];
bSums[wx] += wp * (long)colors[3];
gSums[wx] += wp * (long)colors[2];
rSums[wx] += wp * (long)colors[1];
}
}
int wr = w[wx];
waSum += (long)wr * waSums[wx];
wcSum += (long)wr * wcSums[wx];
aSum += (long)wr * aSums[wx];
bSum += (long)wr * bSums[wx];
gSum += (long)wr * gSums[wx];
rSum += (long)wr * rSums[wx];
}
wcSum >>= 8;
if (waSum == 0 || wcSum == 0) {
SetColorAt(bbbDest, x, y, new int[]{0,0,0,0});
} else {
int alpha = (int)(aSum / waSum);
int blue = (int)(bSum / wcSum);
int green = (int)(gSum / wcSum);
int red = (int)(rSum / wcSum);
SetColorAt(bbbDest, x, y, new int[]{alpha, red, green, blue});
}
}
}
}
bbbDest.DrawTo(graphics, applyRect.Location);
}
}
