Lines Matching defs:prgn
983 miOverlayWindowExposures(WindowPtr pWin, RegionPtr prgn)
985 RegionPtr exposures = prgn;
988 if (prgn && !RegionNil(prgn)) {
992 if (clientInterested && (RegionNumRects(prgn) > RECTLIMIT)) {
996 box = *RegionExtents(prgn);
999 RegionReset(prgn, &box);
1006 RegionIntersect(prgn, prgn, &pTree->clipList);
1009 RegionIntersect(prgn, prgn, &pWin->clipList);
1011 pScreen->PaintWindow(pWin, prgn, PW_BACKGROUND);
1017 RegionEmpty(prgn);