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echo: os2prog
to: Pascal Dutilleul
from: Michael Douglass
date: 1994-08-09 14:56:16
subject: graphics

PD>Dear all,

PD>I'm looking for some GPI-functions for grabbing a rectangle from my window.
  >Currently I'm working on a library for sprites.  My idea is
  >before actually putting a sprite (=bitmap) on the screen, I
  >have to save the information that will be overwritten by my
  >sprite.  So when I move my sprite to another position, I'll
  >be able to restore the background.

PD>Thus I need a function (like Borland's GETIMAGE) to capture the contents of
  >an area of pels (e.g. in a bitmap).  Unther DOS it's simple
  >: just look in the videomemory.

Well, if you're doing a PM application simply remove your bitmap (tell
it to go away) and use WinInvalidateRect() to force that particular are
to be redrawn.

Micahel Douglass
___
 .Mike's Mail Internet:   MICHAEL.DOUGLASS{at}LCHANCE.SAT.TX.US

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