85         bool next_clip_box()   in next_clip_box()  function
138             while(next_clip_box());  in copy_pixel()
153             while(next_clip_box());  in blend_pixel()
167             while(next_clip_box());  in pixel()
179             while(next_clip_box());  in copy_hline()
190             while(next_clip_box());  in copy_vline()
202             while(next_clip_box());  in blend_hline()
214             while(next_clip_box());  in blend_vline()
225             while(next_clip_box());  in copy_bar()
237             while(next_clip_box());  in blend_bar()
249             while(next_clip_box());  in blend_solid_hspan()
261             while(next_clip_box());  in blend_solid_vspan()
273             while(next_clip_box());  in copy_color_hspan()
287             while(next_clip_box());
301             while(next_clip_box());
315             while(next_clip_box());
331             while(next_clip_box());