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 void ResizeBuffer(ResizePivot pivot, int width, int height, Color backColor)
{
if (width == _width && height == _height)
return; }
