private Bitmap RGBProcess(ref Image destImg, int destX, int destY, int destWidth, int destHeight,
ref Image srcImg, int srcX, int srcY,
RGBProcessDelegate RGBProcessFunction)
{
Bitmap dst = new Bitmap(destImg);
Bitmap src = new Bitmap(srcImg);
BitmapData dstBD = dst.LockBits(new Rectangle(destX, destY, destWidth, destHeight), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
BitmapData srcBD = src.LockBits(new Rectangle(srcX, srcY, destWidth, destHeight), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
int dstStride = dstBD.Stride;
int srcStride = srcBD.Stride;
System.IntPtr dstScan0 = dstBD.Scan0;
System.IntPtr srcScan0 = srcBD.Scan0;
unsafe
{
byte *pDst = (byte *)(void *)dstScan0;
byte *pSrc = (byte *)(void *)srcScan0;
for (int y = 0; y < destHeight; y++)
{
for (int x = 0; x < destWidth; x++)
{
RGBProcessFunction(
pSrc[x * 3 + 2 + y * srcStride], pSrc[x * 3 + 1 + y * srcStride], pSrc[x * 3 + y * srcStride],
ref pDst[x * 3 + 2 + y * dstStride], ref pDst[x * 3 + 1 + y * dstStride], ref pDst[x * 3 + y * dstStride]
);
}
}
}
src.UnlockBits(srcBD);
dst.UnlockBits(dstBD);
src.Dispose();
return(dst);
}
private Bitmap RGBProcess(ref Image destImg, int destX, int destY, int destWidth, int destHeight,
ref Image srcImg, int srcX, int srcY,
RGBProcessDelegate RGBProcessFunction)
{
Bitmap dst = new Bitmap(destImg);
Bitmap src = new Bitmap(srcImg);
BitmapData dstBD = dst.LockBits( new Rectangle(destX, destY, destWidth, destHeight), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
BitmapData srcBD = src.LockBits( new Rectangle(srcX, srcY, destWidth, destHeight), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
int dstStride = dstBD.Stride;
int srcStride = srcBD.Stride;
System.IntPtr dstScan0 = dstBD.Scan0;
System.IntPtr srcScan0 = srcBD.Scan0;
unsafe
{
byte *pDst = (byte *)(void *)dstScan0;
byte *pSrc = (byte *)(void *)srcScan0;
for(int y = 0; y < destHeight; y++)
{
for(int x = 0; x < destWidth; x++)
{
RGBProcessFunction(
pSrc[x * 3 + 2 + y * srcStride], pSrc[x * 3 + 1 + y * srcStride], pSrc[x * 3 + y * srcStride],
ref pDst[x * 3 + 2 + y * dstStride], ref pDst[x * 3 + 1 + y * dstStride], ref pDst[x * 3 + y * dstStride]
);
}
}
}
src.UnlockBits(srcBD);
dst.UnlockBits(dstBD);
src.Dispose();
return dst;
}
