[line 5]
Image_3D_Driver __construct( )
Overridden in child classes as:
void createImage( $x, $y)
void drawGradientPolygon( Image_3D_Polygon $polygon)
void drawPolygon( Image_3D_Polygon $polygon)
void getSupportedShading( )
void save( $file)
void setBackground( Image_3D_Color $color)