private static Bitmap PerChannelProcess(Bitmap destImg, int destX, int destY, int destWidth, int destHeight,
Bitmap srcImg, int srcX, int srcY,
PerChannelProcessDelegate channelProcessFunction)
{
var dst = destImg; // new Bitmap(destImg);
var dstData = dst.LockBits(new Rectangle(destX, destY, destWidth, destHeight), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
var dstStride = Math.Abs(dstData.Stride);
var dstScan0 = dstData.Scan0;
var dstBuffer = new byte[dstStride];
var src = srcImg; //new Bitmap(srcImg);
var srcData = src.LockBits(new Rectangle(srcX, srcY, destWidth, destHeight), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
var srcStride = Math.Abs(srcData.Stride);
var srcScan0 = srcData.Scan0;
var srcBuffer = new byte[srcStride];
for (var y = 0; y < destHeight; y++)
{
System.Runtime.InteropServices.Marshal.Copy(srcScan0 + y * srcStride, srcBuffer, 0, srcStride);
System.Runtime.InteropServices.Marshal.Copy(dstScan0 + y * dstStride, dstBuffer, 0, dstStride);
for (var x = 0; x < 3 * destWidth; x++)
{
dstBuffer[x] = channelProcessFunction(ref srcBuffer[x], ref dstBuffer[x]);
}
System.Runtime.InteropServices.Marshal.Copy(dstBuffer, 0, dstScan0 + y * dstStride, dstStride);
}
//unsafe
//{
// byte* pDst = (byte*)(void*)dstScan0;
// byte* pSrc = (byte*)(void*)srcScan0;
// for (int y = 0; y < destHeight; y++)
// {
// for (int x = 0; x < destWidth * 3; x++)
// {
// pDst[x + y * dstStride] = channelProcessFunction(ref pSrc[x + y * srcStride], ref pDst[x + y * dstStride]);
// }
// }
//}
src.UnlockBits(srcData);
dst.UnlockBits(dstData);
return(dst);
}
private Bitmap PerChannelProcess(ref Image destImg, int destX, int destY, int destWidth, int destHeight,
ref Image srcImg, int srcX, int srcY,
PerChannelProcessDelegate ChannelProcessFunction)
{
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 * 3; x++)
{
pDst[x + y * dstStride] = ChannelProcessFunction(ref pSrc[x + y * srcStride], ref pDst[x + y * dstStride]);
}
}
}
src.UnlockBits(srcBD);
dst.UnlockBits(dstBD);
src.Dispose();
return(dst);
}
private static Bitmap PerChannelProcess(Bitmap destImg, int destX, int destY, int destWidth, int destHeight,
Bitmap srcImg, int srcX, int srcY,
PerChannelProcessDelegate channelProcessFunction)
{
var dst = destImg; // new Bitmap(destImg);
var dstData = dst.LockBits(new Rectangle(destX, destY, destWidth, destHeight), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
var dstStride = Math.Abs(dstData.Stride);
var dstScan0 = dstData.Scan0;
var dstBuffer = new byte[dstStride];
var src = srcImg; //new Bitmap(srcImg);
var srcData = src.LockBits(new Rectangle(srcX, srcY, destWidth, destHeight), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
var srcStride = Math.Abs(srcData.Stride);
var srcScan0 = srcData.Scan0;
var srcBuffer = new byte[srcStride];
for (var y = 0; y < destHeight; y++)
{
System.Runtime.InteropServices.Marshal.Copy(srcScan0 + y * srcStride, srcBuffer, 0, srcStride);
System.Runtime.InteropServices.Marshal.Copy(dstScan0 + y * dstStride, dstBuffer, 0, dstStride);
for (var x = 0; x < 3* destWidth; x++)
{
dstBuffer[x] = channelProcessFunction(ref srcBuffer[x], ref dstBuffer[x]);
}
System.Runtime.InteropServices.Marshal.Copy(dstBuffer, 0, dstScan0 + y * dstStride, dstStride);
}
//unsafe
//{
// byte* pDst = (byte*)(void*)dstScan0;
// byte* pSrc = (byte*)(void*)srcScan0;
// for (int y = 0; y < destHeight; y++)
// {
// for (int x = 0; x < destWidth * 3; x++)
// {
// pDst[x + y * dstStride] = channelProcessFunction(ref pSrc[x + y * srcStride], ref pDst[x + y * dstStride]);
// }
// }
//}
src.UnlockBits(srcData);
dst.UnlockBits(dstData);
return dst;
}
private Bitmap PerChannelProcess(ref Image destImg, int destX, int destY, int destWidth, int destHeight,
ref Image srcImg, int srcX, int srcY,
PerChannelProcessDelegate ChannelProcessFunction)
{
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 * 3; x++)
{
pDst[x + y * dstStride] = ChannelProcessFunction(ref pSrc[x + y * srcStride], ref pDst[x + y * dstStride]);
}
}
}
src.UnlockBits(srcBD);
dst.UnlockBits(dstBD);
src.Dispose();
return dst;
}
