Enables the PNG (Portable Network Graphic) image support for SaveImage() and SaveSprite().
The PNG format is well known by web designers, as it is now one of the more popular formats. The PNG format makes use of non-destructive compression (lossless) which means that the picture does not lose any information when that picture is compressed. This is actually the best lossless compression algorithm available. This encoder has the capability to encode 32-bit images with alpha channel.
UsePNGImageDecoder(), SaveImage(), SaveSprite()