GDI+ functions
Windows GDI+ provides the following functions:
- GdiplusShutdown
- GdiplusStartup
- GetImageDecoders
- GetImageDecodersSize
- GetImageEncoders
- GetImageEncodersSize
- GetPixelFormatSize
- IsAlphaPixelFormat
- IsCanonicalPixelFormat
- IsExtendedPixelFormat
- IsIndexedPixelFormat
- ObjectTypeIsValid