114         int           ymax()     const { return m_clip_box.y2; }  in ymax()  function
179             if(y  > ymax()) return;  in copy_hline()
196             if(y1 > ymax()) return;  in copy_vline()
200             if(y2 > ymax()) y2 = ymax();  in copy_vline()
210             if(y  > ymax()) return;  in blend_hline()
229             if(y1 > ymax()) return;  in blend_vline()
233             if(y2 > ymax()) y2 = ymax();  in blend_vline()
279             if(y > ymax()) return;  in blend_solid_hspan()
302             if(y > ymax()) return;  in blend_solid_hspan_subpix()
335             if(y + len > ymax())  in blend_solid_vspan()
337                 len = ymax() - y + 1;  in blend_solid_vspan()
347             if(y > ymax()) return;  in copy_color_hspan()
381             if(y + len > ymax())  in copy_color_vspan()
383                 len = ymax() - y + 1;  in copy_color_vspan()
396             if(y > ymax()) return;
434             if(y + len > ymax())
436                 len = ymax() - y + 1;