org.jvnet.substance.painter.gradient
Interfaces 
SubstanceGradientPainter
Classes 
BaseGradientPainter
ClassicGradientPainter
FlatGradientPainter
GlassGradientPainter
MatteGradientPainter
SimplisticGradientPainter
StandardGradientPainter
SubduedGradientPainter