From: robin_listas@es.invalid   
      
   On 2026-02-17 23:32, Arno Welzel wrote:   
   > Carlos E. R., 2026-02-17 13:44:   
   >   
   >> On 2026-02-17 12:54, Arno Welzel wrote:   
   >>> Carlos E. R., 2026-02-17 11:30:   
   >>>   
   >>> [...]   
   >>>> A solid colour, when selected in a computer, uses far less resources   
   >>>> than a picture, even if it is a solid colour picture. A solid colour   
   >>>> picture still has to be drawn pixel by pixel. No solid fill function!   
   >>>   
   >>> A solid color JPEG is very efficient - since JPEG does not store single   
   >>> pixels but the mathematical description how to construct the content. In   
   >>> the end, the device will also just draw a black rectangle, when you   
   >>> create JPEG with just black in it. There is no "pixel by pixel" in this   
   >>> case. PNG should also be very efficient in this case, even though it is   
   >>> lossless compression.   
   >>   
   >> It is still a picture, it has to be drawn pixel by picture. The CPU   
   >> doesn't know that all the pixels are the same colour.   
   >   
   > Wrong - the CPU *does* know that, since the compression algorithm tells   
   > the CPU "this is a big black rectangle".   
      
   Maybe, maybe not. That data is internal to the generic jpg library.   
   Probably the initial picture is decoded once and stored in bitmap form.   
      
      
   --   
   Cheers,   
           Carlos E.R.   
           ES🇪🇸, EU🇪🇺;   
      
   --- SoupGate-Win32 v1.05   
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