[paragui-users] zooming a region of a surface

[taurus]

Hello,

     I`ve got a situation :)
     I`m creating an animation widget with zooming and cross-fading
     of the frames.
     Yet I dont have problems with timer and cross-fading, I`ve got
     problems with zooming in ParaGUI widget.
     The zooming solutions I`ve found in ParaGUI (PG_Draw namespace)
     are:
     - blit zooming of a whole surface to fit one surface into another
     - blit zooming of a whole surface with x and y constants

     But if I need to zoom a "window" from a surface to make effect of
     zooming in/out? Does ParaGUI have function to copy a region from
     one surface to another with zoom without creating a new temporary
     surface?

     At the moment I create a new temporary surface, then blit it with zoom onto
     a target, but it`s CPU consuming (as the field is 800x600x32)...
     
     How can I optimize it?

     Thanks guys in advance!


Kind regards,
       taurus                          

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