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/* $XConsortium: ilbmbstore.c,v 5.7 94/04/17 20:28:18 dpw Exp $ */
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/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
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Copyright (c) 1987 X Consortium
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of the X Consortium shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from the X Consortium.
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/* Modified jun 95 by Geert Uytterhoeven (Geert.Uytterhoeven@cs.kuleuven.ac.be)
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to use interleaved bitplanes instead of normal bitplanes */
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#include "regionstr.h"
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#include "scrnintstr.h"
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#include "pixmapstr.h"
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#include "windowstr.h"
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*-----------------------------------------------------------------------
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* Function called by miSaveAreas to actually fetch the areas to be
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* saved into the backing pixmap. This is very simple to do, since
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* ilbmDoBitblt is designed for this very thing. The region to save is
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* already destination-relative and we're given the offset to the
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* window origin, so we have only to create an array of points of the
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* u.l. corners of the boxes in the region translated to the screen
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* coordinate system and fetch the screen pixmap out of its devPrivate
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* Data are copied from the screen into the pixmap.
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*-----------------------------------------------------------------------
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ilbmSaveAreas(pPixmap, prgnSave, xorg, yorg, pWin)
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PixmapPtr pPixmap; /* Backing pixmap */
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RegionPtr prgnSave; /* Region to save (pixmap-relative) */
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int xorg; /* X origin of region */
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int yorg; /* Y origin of region */
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register DDXPointPtr pPt;
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register int numRects;
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numRects = REGION_NUM_RECTS(prgnSave);
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pPtsInit = (DDXPointPtr)ALLOCATE_LOCAL(numRects * sizeof(DDXPointRec));
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pBox = REGION_RECTS(prgnSave);
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pPt->x = pBox->x1 + xorg;
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pPt->y = pBox->y1 + yorg;
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ilbmDoBitblt((DrawablePtr)pPixmap->drawable.pScreen->devPrivates[ilbmScreenPrivateIndex].ptr,
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pPtsInit, wBackingBitPlanes (pWin));
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DEALLOCATE_LOCAL(pPtsInit);
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*-----------------------------------------------------------------------
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* ilbmRestoreAreas --
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* Function called by miRestoreAreas to actually fetch the areas to be
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* restored from the backing pixmap. This is very simple to do, since
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* ilbmDoBitblt is designed for this very thing. The region to restore is
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* already destination-relative and we're given the offset to the
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* window origin, so we have only to create an array of points of the
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* u.l. corners of the boxes in the region translated to the pixmap
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* coordinate system and fetch the screen pixmap out of its devPrivate
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* Data are copied from the pixmap into the screen.
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*-----------------------------------------------------------------------
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ilbmRestoreAreas(pPixmap, prgnRestore, xorg, yorg, pWin)
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PixmapPtr pPixmap; /* Backing pixmap */
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RegionPtr prgnRestore; /* Region to restore (screen-relative)*/
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int xorg; /* X origin of window */
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int yorg; /* Y origin of window */
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register DDXPointPtr pPt;
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DDXPointPtr pPtsInit;
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register BoxPtr pBox;
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register int numRects;
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numRects = REGION_NUM_RECTS(prgnRestore);
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pPtsInit = (DDXPointPtr)ALLOCATE_LOCAL(numRects*sizeof(DDXPointRec));
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pBox = REGION_RECTS(prgnRestore);
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pPt->x = pBox->x1 - xorg;
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pPt->y = pBox->y1 - yorg;
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ilbmDoBitblt((DrawablePtr)pPixmap,
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(DrawablePtr)pPixmap->drawable.pScreen->devPrivates[ilbmScreenPrivateIndex].ptr,
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pPtsInit, wBackingBitPlanes (pWin));
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DEALLOCATE_LOCAL(pPtsInit);
added
removed
ilbm/ilbmbstore.c
