+ void draw_smooth(float x1, float y1, float x2, float y2, float x3, float y3) {
+ VFrame::draw_smooth(int(x1+.5f),int(y1+.5f),
+ int(x2+.5f),int(y2+.5f), int(x3+.5f),int(y3+.5f));
+ }
+
+ virtual int draw_pixel(float x, float y, float a) = 0;
+ int draw_pixel(float x, float y, float frac, int axis);