01.public Bitmap Transform(Bitmap source)
02.{
03.
04. Bitmap newBitmap = new Bitmap(source.Width, source.Height);
05.
06.
07. Graphics g = Graphics.FromImage(newBitmap);
08.
09.
10. ColorMatrix colorMatrix = new ColorMatrix();
11. colorMatrix.Matrix00 = colorMatrix.Matrix11 = colorMatrix.Matrix22 = -1f;
12. colorMatrix.Matrix33 = colorMatrix.Matrix44 = 1f;
13.
14.
15. ImageAttributes attributes = new ImageAttributes();
16.
17. attributes.SetColorMatrix(colorMatrix);
18.
19. g.DrawImage(source, new Rectangle(0, 0, source.Width, source.Height),
20. 0, 0, source.Width, source.Height, GraphicsUnit.Pixel, attributes);
21.
22.
23. g.Dispose();
24.
25. return newBitmap;
26.}
