public static int[] CopyImgBuffer(MemBitmap memBmp, int width, int height)
{
//calculate stride for the width
int destStride = MemBitmap.CalculateStride(width, CpuBlit.Imaging.PixelFormat.ARGB32);
int newBmpW = destStride / 4;
int[] buff2 = new int[newBmpW * height];
unsafe
{
using (CpuBlit.Imaging.TempMemPtr srcBufferPtr = MemBitmap.GetBufferPtr(memBmp))
{
byte* srcBuffer = (byte*)srcBufferPtr.Ptr;
int srcIndex = 0;
int srcStride = memBmp.Stride;
fixed (int* destHead = &buff2[0])
{
byte* destHead2 = (byte*)destHead;
for (int line = 0; line < height; ++line)
{
//System.Runtime.InteropServices.Marshal.Copy(srcBuffer, srcIndex, (IntPtr)destHead2, destStride);
NativeMemMx.memcpy((byte*)destHead2, srcBuffer + srcIndex, destStride);
srcIndex += srcStride;
destHead2 += destStride;
}
}
}
}
return buff2;
}
public static int[] CopyImgBuffer(this MemBitmap memBmp, int width, int height, bool flipY = false)
{
//calculate stride for the width
int destStride = MemBitmap.CalculateStride(width, PixelFormat.ARGB32);
int newBmpW = destStride / 4;
int[] buff2 = new int[newBmpW * height];
unsafe
{
using (TempMemPtr srcBufferPtr = MemBitmap.GetBufferPtr(memBmp))
{
byte *srcBuffer = (byte *)srcBufferPtr.Ptr;
int srcIndex = 0;
int srcStride = memBmp.Stride;
if (flipY)
{
fixed(int *destHead = &buff2[0])
{
byte *destHead2 = (byte *)destHead;
srcBuffer += (height - 1) * srcStride;
for (int line = 0; line < height; ++line)
{
//System.Runtime.InteropServices.Marshal.Copy(srcBuffer, srcIndex, (IntPtr)destHead2, destStride);
MemMx.memcpy((byte *)destHead2, srcBuffer + srcIndex, destStride);
srcIndex -= srcStride;
destHead2 += destStride;
}
}
}
else
{
fixed(int *destHead = &buff2[0])
{
byte *destHead2 = (byte *)destHead;
for (int line = 0; line < height; ++line)
{
//System.Runtime.InteropServices.Marshal.Copy(srcBuffer, srcIndex, (IntPtr)destHead2, destStride);
MemMx.memcpy((byte *)destHead2, srcBuffer + srcIndex, destStride);
srcIndex += srcStride;
destHead2 += destStride;
}
}
}
}
}
return(buff2);
}
public static int[] CopyImgBuffer(MemBitmap src, int srcX, int srcY, int srcW, int srcH)
{
//calculate stride for the width
int destStride = MemBitmap.CalculateStride(srcW, CpuBlit.Imaging.PixelFormat.ARGB32);
int newBmpW = destStride / 4;
int[] buff2 = new int[newBmpW * srcH];
unsafe
{
using (CpuBlit.Imaging.TempMemPtr srcBufferPtr = MemBitmap.GetBufferPtr(src))
{
byte* srcBuffer = (byte*)srcBufferPtr.Ptr;
int srcIndex = 0;
int srcStride = src.Stride;
fixed (int* destHead = &buff2[0])
{
byte* destHead2 = (byte*)destHead;
//move to specific src line
srcIndex += srcStride * srcY;
int lineEnd = srcY + srcH;
for (int line = srcY; line < lineEnd; ++line)
{
//System.Runtime.InteropServices.Marshal.Copy(srcBuffer, srcIndex, (IntPtr)destHead2, destStride);
NativeMemMx.memcpy((byte*)destHead2, srcBuffer + srcIndex, destStride);
srcIndex += srcStride;
destHead2 += destStride;
}
}
}
}
return buff2;
}