From: nowhere@nospicedham.never.at   
      
   On 09.10.2020 13:16, R.Wieser wrote:   
   > Wolfgang,   
   >   
   >> cannot see any sense in it either, perhaps just to explain what clipping   
   >> is to non-aware folks.   
   >   
   > Understanding what clipping is was the easy part.   
   >   
   >> my clip is in the final dot-drawer, so what's outside become ignored but   
   >> may delay the whole story.   
   >   
   > Thats what I've beein doing too.   But at some point I saw sense in not   
   > going thru slews of dots that are not going to be displayed anyway, likely   
   > speeding up the drawing process itself.    Especially as I wanted to be able   
   > to draw in a full 16-bit signed int range, while only actually viewing a   
   > small part of it.   
      
   Yes, me too once tried to gain speed by clipping before the draw, but   
   the additional checks took more time than a few not written dots.   
   My draw functions use 16 bit unsigned (left,top screen == 0,0).   
   __   
   wolfgang   
      
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