public unsafe void FlipBuffer(FlipMode flipMode)
{
PixelBuffer pb = new PixelBuffer(_width, _height);
fixed(int *src = _buffer)
{
fixed(int *dest = pb.InternalBuffer)
{
switch (flipMode)
{
default:
case FlipMode.FlipHorizontal:
FlipBufferHorizontal(src, dest);
break;
case FlipMode.FlipVertical:
FlipBufferVertical(src, dest);
break;
case FlipMode.FlipBoth:
FlipBufferBoth(src, dest);
break;
}
}
}
fixed(int *src = pb.InternalBuffer)
{
fixed(int *dest = _buffer)
{
CopyBuffer(dest, src, _pixelsCount);
}
}
pb.Dispose();
}
private unsafe void SetBufferRectBufferOutside(int[] srcBuffer, int x, int y, int width, int height)
{
int sx = 0;
int sy = 0;
int sw = width;
int sh = height;
if (x < 0)
{
sx = -x;
sw += x;
}
else if ((x + width) > _width)
{
sx = 0;
sw = _width - x;
}
if (y < 0)
{
sy = -y;
sh += y;
}
else if ((y + height) > _height)
{
sy = 0;
sh = _height - y;
}
if (sw <= 0 || sh <= 0)
{
return;
}
//TODO: problema con l'indice del pixel di un buffer senza istanza
//
//int[] blitBufferArray = new int[sw * sh];
//fixed (int* src = srcBuffer)
//{
// fixed (int* dest = blitBufferArray)
// {
// CopyBufferRect(dest, src, sx, sy, sw, sh);
// }
//}
PixelBuffer srcBufferHelper = new PixelBuffer(width, height, srcBuffer);
PixelBuffer blitBufferArray = srcBufferHelper.GetSubBuffer(sx, sy, sw, sh);
int fx = x;
int fy = y;
if (x < 0)
{
fx = 0;
}
if (y < 0)
fy = 0;
fixed(int *src = blitBufferArray.InternalBuffer)
{
fixed(int *dest = _buffer)
{
SetBufferRectBuffer(dest, src, fx, fy, sw, sh);
}
}
srcBufferHelper.Dispose();
blitBufferArray.Dispose();
}