public String GenerateUnicode(Bitmap source, String spacingChar)
{
//Check status
if (IsErrorOccurred())
{
return(String.Empty);
}
//Create Cl memory
ClImage2D srcMem = new ClImage2D(source, context, IOMode.ReadOnly, ChannelType.RGBA32bpp, out error);
int totalUnicodeLength = (srcMem.Width / 2 + 2) * (srcMem.Height / 4);
ClBuffer <short> dstMem = new ClBuffer <short>(context, totalUnicodeLength, out error);
//Check error
if (!srcMem.Ready || !dstMem.Ready || IsErrorOccurred())
{
srcMem.Dispose();
dstMem.Dispose();
return(String.Empty);
}
//Run kernel
kernelGenerateUnicode.ExecuteKernel(out error, new object[] { srcMem, dstMem });
if (IsErrorOccurred())
{
return(String.Empty);
}
//Marshaling unicode data.
IntPtr stream = Marshal.AllocHGlobal(totalUnicodeLength * 2);
Marshal.Copy(dstMem.GetBuffer(), 0, stream, totalUnicodeLength);
string result = Marshal.PtrToStringUni(stream, totalUnicodeLength);
//Replace spacing char
result = result.Replace(((char)0x2800).ToString(), spacingChar);
//Clean up
srcMem.Dispose();
dstMem.Dispose();
return(result);
}
private void ImgToImgKernel(ClKernel kernel, Bitmap source, Bitmap destination, params object[] extra)
{
//Check status
if (error != ErrorCode.Success)
{
return;
}
//Create Cl memory
ClImage2D srcMem = new ClImage2D(source, context, IOMode.ReadOnly, ChannelType.RGBA32bpp, out error);
ClImage2D dstMem = new ClImage2D(destination, context, IOMode.WriteOnly, ChannelType.RGBA32bpp, out error);
//Check error
if (!srcMem.Ready || !dstMem.Ready || IsErrorOccurred())
{
srcMem.Dispose();
dstMem.Dispose();
if (error != ErrorCode.Success)
{
return;
}
}
//Create argument list
object[] argList = new object[2 + extra.Length];
argList[0] = srcMem;
argList[1] = dstMem;
extra.CopyTo(argList, 2);
//Run kernel
kernel.ExecuteKernel(out error, argList);
if (error != ErrorCode.Success)
{
return;
}
//Clean up
srcMem.Dispose();
dstMem.Dispose();
}