Classes
Here are the data structures with brief descriptions:
[detail level 1234]
 ▼NDepage
 ▼NGraphics
 ▼NExceptions
 CExceptionGeneral graphics related exception class
 CFileNotFoundInput file not found exception
 ▼NOptimizers
 CJpegoptim
 CJpegtran
 COptimizer
 COptipng
 CPngcrush
 ▼NProviders
 CGdPHP GD extension interface
 CGraphicsmagickGraphicsMagick interface
 CImagemagickImageMagick interface
 CImagickImagick Class Imagick
 ▼NUi
 CGraphicsInterface for accessing graphics via URI
 CGraphicsMain graphics class
 CImgurl