DrawTriangle
drawingEngine->DrawTriangle(pts, rect, code == AS_FILL_TRIANGLE);
drawingEngine->DrawTriangle(pts, rect, code == AS_FILL_TRIANGLE_GRADIENT, *gradient);
virtual void DrawTriangle(BPoint* points, const BRect& bounds,
virtual void DrawTriangle(BPoint* points, const BRect& bounds,
virtual void DrawTriangle(BPoint* points,
virtual void DrawTriangle(BPoint* points, const BRect& bounds,