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();
}
public void ResizeBuffer(ResizePivot pivot, int width, int height, Color backColor)
{
if (width == _width && height == _height) return;
PixelBuffer newBuffer = new PixelBuffer(width, height);
newBuffer.ClearBuffer(backColor);
int dataWidth = Math.Min(width, _width);
int dataHeight = Math.Min(height, _height);
int deltaX = Math.Abs(width - _width);
int deltaY = Math.Abs(height - _height);
int midDeltaX = (int)Math.Round(deltaX / 2f, MidpointRounding.AwayFromZero);
int midDeltaY = (int)Math.Round(deltaY / 2f, MidpointRounding.AwayFromZero);
bool inflateX = (width > _width);
bool inflateY = (height > _height);
int srcX = 0;
int srcY = 0;
int destX = 0;
int destY = 0;
int srcW = width;
int srcH = height;
switch (pivot)
{
case ResizePivot.TopLeft:
srcX = 0;
destX = 0;
srcY = 0;
destY = 0;
break;
case ResizePivot.TopCenter:
if (inflateX)
{
srcX = 0;
destX = midDeltaX;
}
else
{
srcX = midDeltaX;
destX = 0;
}
srcY = 0;
destY = 0;
break;
case ResizePivot.TopRight:
if (inflateX)
{
srcX = 0;
destX = deltaX;
}
else
{
srcX = deltaX;
destX = 0;
}
srcY = 0;
destY = 0;
break;
case ResizePivot.MiddleLeft:
srcX = 0;
destX = 0;
if (inflateY)
{
srcY = 0;
destY = midDeltaY;
}
else
{
srcY = midDeltaY;
destY = 0;
}
break;
case ResizePivot.MiddleCenter:
if (inflateX)
{
srcX = 0;
destX = midDeltaX;
}
else
{
srcX = midDeltaX;
destX = 0;
}
if (inflateY)
{
srcY = 0;
destY = midDeltaY;
}
else
{
srcY = midDeltaY;
destY = 0;
}
break;
case ResizePivot.MiddleRight:
if (inflateX)
{
srcX = 0;
destX = deltaX;
}
else
{
srcX = deltaX;
destX = 0;
}
if (inflateY)
{
srcY = 0;
destY = midDeltaY;
}
else
{
srcY = midDeltaY;
destY = 0;
}
break;
case ResizePivot.BottomLeft:
srcX = 0;
destX = 0;
if (inflateY)
{
srcY = 0;
destY = deltaY;
}
else
{
srcY = deltaY;
destY = 0;
}
break;
case ResizePivot.BottomCenter:
if (inflateX)
{
srcX = 0;
destX = midDeltaX;
}
else
{
srcX = midDeltaX;
destX = 0;
}
if (inflateY)
{
srcY = 0;
destY = deltaY;
}
else
{
srcY = deltaY;
destY = 0;
}
break;
case ResizePivot.BottomRight:
if (inflateX)
{
srcX = 0;
destX = deltaX;
}
else
{
srcX = deltaX;
destX = 0;
}
if (inflateY)
{
srcY = 0;
destY = deltaY;
}
else
{
srcY = deltaY;
destY = 0;
}
break;
}
if (inflateX && inflateY)
{
newBuffer.SetSubBuffer(_buffer, destX, destY, dataWidth, dataHeight);
}
else
{
PixelBuffer blitBuffer = this.GetSubBuffer(srcX, srcY, dataWidth, dataHeight);
newBuffer.SetSubBuffer(blitBuffer, destX, destY);
}
this.Initialize(width, height);
Array.Copy(newBuffer.InternalBuffer, _buffer, _buffer.Length);
newBuffer.Dispose();
}
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();
}
