From: usenet@arnowelzel.de   
      
   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".   
      
      
   --   
   Arno Welzel   
   https://arnowelzel.de   
      
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