SGE is a graphic library for the Simple DirectMedia Layer (SDL) library.
Some of SGE:s features are:
 -Pixel operations
 -Clipping
 -Lines, circles and other figures (with antialiasing and alpha blending)
 -Rotation and scaling of surfaces
 -Palette functions
 -TrueType/Bitmap/SFont font functions
 -Basic 2D collision detection
 -Sprite classes
 -Basic texture mapping
 -Filled and gourand shaded polygons (with antialiasing or alpha blending)

WWW: http://www.digitalfanatics.org/cal/sge/