public void SetBits(Buffer2DView <T> srcView, Int32Rect srcRect, Int32Point?dstPoint = null)
{
if (srcRect.X < 0 || srcRect.Width < 0 || (srcRect.X + srcRect.Width) > srcView._buffer._bounds.Width ||
srcRect.Y < 0 || srcRect.Height < 0 || (srcRect.Y + srcRect.Height) > srcView._buffer._bounds.Height)
{
throw new ArgumentOutOfRangeException("srcRect", "The source rect must specify coordinates within the bounds of the source buffer.");
}
Int32Point theDstPoint = dstPoint ?? new Int32Point(srcRect.X, srcRect.Y);
if (theDstPoint.X < 0 || (theDstPoint.X + srcRect.Width) > _bounds.Width ||
theDstPoint.Y < 0 || (theDstPoint.Y + srcRect.Height) > _bounds.Height)
{
throw new ArgumentOutOfRangeException("dstPoint", "The destination point must specify coordinates within the bounds of the buffer.");
}
unsafe
{
int sizeOfT = Marshal.SizeOf(typeof(T));
byte *pRead = ((byte *)srcView._buffer._pBits.ToPointer()) + (srcRect.Y + srcView._buffer._bounds.Y) * srcView._buffer._rowWidth * sizeOfT + (srcRect.X + srcView._buffer._bounds.X) * sizeOfT;
byte *pWrite = ((byte *)_pBits.ToPointer()) + (theDstPoint.Y + _bounds.Y) * _rowWidth * sizeOfT + (theDstPoint.X + _bounds.X) * sizeOfT;
for (int row = 0; row < srcRect.Height; row++)
{
for (int col = 0; col < srcRect.Width * sizeOfT; col++)
{
*(pWrite + col) = *(pRead + col);
}
pRead += srcView._buffer._rowWidth * sizeOfT;
pWrite += _rowWidth * sizeOfT;
}
}
}
public Buffer2DView(Buffer2DView <T> buffer, Int32Rect bounds)
{
_buffer = new Buffer2D <T>(buffer._buffer, bounds);
}
