638 lines
21 KiB
C
638 lines
21 KiB
C
/*
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* Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
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*
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* All Rights Reserved.
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*
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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 on the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* Authors:
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* Kevin E. Martin <kem@redhat.com>
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*
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*/
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/** \file
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* This file provides support for GC operations. */
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#ifdef HAVE_DMX_CONFIG_H
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#include <dmx-config.h>
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#endif
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#include "dmx.h"
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#include "dmxsync.h"
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#include "dmxgc.h"
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#include "dmxgcops.h"
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#include "dmxwindow.h"
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#include "dmxpixmap.h"
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#include "mi.h"
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#include "gcstruct.h"
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#include "pixmapstr.h"
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#include "dixfontstr.h"
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#ifdef PANORAMIX
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#include "panoramiXsrv.h"
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#endif
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#define DMX_GCOPS_SET_DRAWABLE(_pDraw, _draw) \
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do { \
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if ((_pDraw)->type == DRAWABLE_WINDOW) { \
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dmxWinPrivPtr pWinPriv = \
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DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw)); \
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(_draw) = (Drawable)pWinPriv->window; \
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} else { \
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dmxPixPrivPtr pPixPriv = \
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DMX_GET_PIXMAP_PRIV((PixmapPtr)(_pDraw)); \
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(_draw) = (Drawable)pPixPriv->pixmap; \
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} \
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} while (0)
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#define DMX_GCOPS_OFFSCREEN(_pDraw) \
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(!dmxScreens[(_pDraw)->pScreen->myNum].beDisplay || \
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(dmxOffScreenOpt && \
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(_pDraw)->type == DRAWABLE_WINDOW && \
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(DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->offscreen || \
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!DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->window)))
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/** Fill spans -- this function should never be called. */
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void
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dmxFillSpans(DrawablePtr pDrawable, GCPtr pGC,
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int nInit, DDXPointPtr pptInit, int *pwidthInit, int fSorted)
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{
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/* Error -- this should never happen! */
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}
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/** Set spans -- this function should never be called. */
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void
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dmxSetSpans(DrawablePtr pDrawable, GCPtr pGC,
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char *psrc, DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
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{
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/* Error -- this should never happen! */
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}
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/** Transfer \a pBits image to back-end server associated with \a
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* pDrawable's screen. If primitive subdivision optimization is
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* enabled, then only transfer the sections of \a pBits that are
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* visible (i.e., not-clipped) to the back-end server. */
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void
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dmxPutImage(DrawablePtr pDrawable, GCPtr pGC,
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int depth, int x, int y, int w, int h,
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int leftPad, int format, char *pBits)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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XImage *img;
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if (DMX_GCOPS_OFFSCREEN(pDrawable))
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return;
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img = XCreateImage(dmxScreen->beDisplay,
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dmxScreen->beVisuals[dmxScreen->beDefVisualIndex].visual,
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depth, format, leftPad, pBits, w, h,
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BitmapPad(dmxScreen->beDisplay),
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(format == ZPixmap) ?
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PixmapBytePad(w, depth) : BitmapBytePad(w + leftPad));
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if (img) {
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Drawable draw;
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DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
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if (dmxSubdividePrimitives && pGC->pCompositeClip) {
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RegionPtr pSubImages;
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RegionPtr pClip;
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BoxRec box;
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BoxPtr pBox;
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int nBox;
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box.x1 = x;
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box.y1 = y;
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box.x2 = x + w;
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box.y2 = y + h;
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pSubImages = RegionCreate(&box, 1);
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pClip = RegionCreate(NullBox, 1);
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RegionCopy(pClip, pGC->pCompositeClip);
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RegionTranslate(pClip, -pDrawable->x, -pDrawable->y);
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RegionIntersect(pSubImages, pSubImages, pClip);
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nBox = RegionNumRects(pSubImages);
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pBox = RegionRects(pSubImages);
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while (nBox--) {
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XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc, img,
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pBox->x1 - box.x1,
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pBox->y1 - box.y1,
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pBox->x1,
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pBox->y1, pBox->x2 - pBox->x1, pBox->y2 - pBox->y1);
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pBox++;
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}
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RegionDestroy(pClip);
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RegionDestroy(pSubImages);
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}
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else {
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XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc,
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img, 0, 0, x, y, w, h);
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}
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XFree(img); /* Use XFree instead of XDestroyImage
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* because pBits is passed in from the
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* caller. */
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dmxSync(dmxScreen, FALSE);
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}
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else {
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/* Error -- this should not happen! */
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}
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}
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/** Copy area from \a pSrc drawable to \a pDst drawable on the back-end
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* server associated with \a pSrc drawable's screen. If the offscreen
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* optimization is enabled, only copy when both \a pSrc and \a pDst are
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* at least partially visible. */
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RegionPtr
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dmxCopyArea(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
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int srcx, int srcy, int w, int h, int dstx, int dsty)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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Drawable srcDraw, dstDraw;
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if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst))
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return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h,
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dstx, dsty);
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DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw);
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DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw);
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XCopyArea(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc,
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srcx, srcy, w, h, dstx, dsty);
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dmxSync(dmxScreen, FALSE);
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return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty);
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}
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/** Copy plane number \a bitPlane from \a pSrc drawable to \a pDst
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* drawable on the back-end server associated with \a pSrc drawable's
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* screen. If the offscreen optimization is enabled, only copy when
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* both \a pSrc and \a pDst are at least partially visible. */
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RegionPtr
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dmxCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
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int srcx, int srcy, int width, int height,
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int dstx, int dsty, unsigned long bitPlane)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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Drawable srcDraw, dstDraw;
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if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst))
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return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height,
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dstx, dsty);
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DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw);
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DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw);
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XCopyPlane(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc,
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srcx, srcy, width, height, dstx, dsty, bitPlane);
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dmxSync(dmxScreen, FALSE);
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return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height,
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dstx, dsty);
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}
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/** Render list of points, \a pptInit in \a pDrawable on the back-end
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* server associated with \a pDrawable's screen. If the offscreen
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* optimization is enabled, only draw when \a pDrawable is at least
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* partially visible. */
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void
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dmxPolyPoint(DrawablePtr pDrawable, GCPtr pGC,
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int mode, int npt, DDXPointPtr pptInit)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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Drawable draw;
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if (DMX_GCOPS_OFFSCREEN(pDrawable))
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return;
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DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
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XDrawPoints(dmxScreen->beDisplay, draw, pGCPriv->gc,
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(XPoint *) pptInit, npt, mode);
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dmxSync(dmxScreen, FALSE);
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}
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/** Render list of connected lines, \a pptInit in \a pDrawable on the
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* back-end server associated with \a pDrawable's screen. If the
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* offscreen optimization is enabled, only draw when \a pDrawable is at
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* least partially visible. */
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void
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dmxPolylines(DrawablePtr pDrawable, GCPtr pGC,
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int mode, int npt, DDXPointPtr pptInit)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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Drawable draw;
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if (DMX_GCOPS_OFFSCREEN(pDrawable))
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return;
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DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
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XDrawLines(dmxScreen->beDisplay, draw, pGCPriv->gc,
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(XPoint *) pptInit, npt, mode);
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dmxSync(dmxScreen, FALSE);
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}
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/** Render list of disjoint segments, \a pSegs in \a pDrawable on the
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* back-end server associated with \a pDrawable's screen. If the
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* offscreen optimization is enabled, only draw when \a pDrawable is at
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* least partially visible. */
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void
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dmxPolySegment(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pSegs)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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Drawable draw;
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if (DMX_GCOPS_OFFSCREEN(pDrawable))
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return;
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DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
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XDrawSegments(dmxScreen->beDisplay, draw, pGCPriv->gc,
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(XSegment *) pSegs, nseg);
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dmxSync(dmxScreen, FALSE);
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}
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/** Render list of rectangle outlines, \a pRects in \a pDrawable on the
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* back-end server associated with \a pDrawable's screen. If the
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* offscreen optimization is enabled, only draw when \a pDrawable is at
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* least partially visible. */
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void
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dmxPolyRectangle(DrawablePtr pDrawable, GCPtr pGC,
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int nrects, xRectangle *pRects)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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Drawable draw;
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if (DMX_GCOPS_OFFSCREEN(pDrawable))
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return;
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DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
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XDrawRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc,
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(XRectangle *) pRects, nrects);
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dmxSync(dmxScreen, FALSE);
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}
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/** Render list of arc outlines, \a parcs in \a pDrawable on the
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* back-end server associated with \a pDrawable's screen. If the
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* offscreen optimization is enabled, only draw when \a pDrawable is at
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* least partially visible. */
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void
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dmxPolyArc(DrawablePtr pDrawable, GCPtr pGC, int narcs, xArc * parcs)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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Drawable draw;
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if (DMX_GCOPS_OFFSCREEN(pDrawable))
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return;
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DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
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XDrawArcs(dmxScreen->beDisplay, draw, pGCPriv->gc, (XArc *) parcs, narcs);
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dmxSync(dmxScreen, FALSE);
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}
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/** Render a filled polygons in \a pDrawable on the back-end server
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* associated with \a pDrawable's screen. If the offscreen
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* optimization is enabled, only draw when \a pDrawable is at least
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* partially visible. */
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void
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dmxFillPolygon(DrawablePtr pDrawable, GCPtr pGC,
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int shape, int mode, int count, DDXPointPtr pPts)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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Drawable draw;
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if (DMX_GCOPS_OFFSCREEN(pDrawable))
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return;
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DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
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XFillPolygon(dmxScreen->beDisplay, draw, pGCPriv->gc,
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(XPoint *) pPts, count, shape, mode);
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dmxSync(dmxScreen, FALSE);
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}
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/** Render list of filled rectangles, \a prectInit in \a pDrawable on
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* the back-end server associated with \a pDrawable's screen. If the
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* offscreen optimization is enabled, only draw when \a pDrawable is at
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* least partially visible. */
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void
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dmxPolyFillRect(DrawablePtr pDrawable, GCPtr pGC,
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int nrectFill, xRectangle *prectInit)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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Drawable draw;
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if (DMX_GCOPS_OFFSCREEN(pDrawable))
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return;
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DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
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XFillRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc,
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(XRectangle *) prectInit, nrectFill);
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dmxSync(dmxScreen, FALSE);
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}
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/** Render list of filled arcs, \a parcs in \a pDrawable on the back-end
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* server associated with \a pDrawable's screen. If the offscreen
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* optimization is enabled, only draw when \a pDrawable is at least
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* partially visible. */
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void
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dmxPolyFillArc(DrawablePtr pDrawable, GCPtr pGC, int narcs, xArc * parcs)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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Drawable draw;
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if (DMX_GCOPS_OFFSCREEN(pDrawable))
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return;
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DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
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XFillArcs(dmxScreen->beDisplay, draw, pGCPriv->gc, (XArc *) parcs, narcs);
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dmxSync(dmxScreen, FALSE);
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}
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/** Render string of 8-bit \a chars (foreground only) in \a pDrawable on
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* the back-end server associated with \a pDrawable's screen. If the
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* offscreen optimization is enabled, only draw when \a pDrawable is at
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* least partially visible. */
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int
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dmxPolyText8(DrawablePtr pDrawable, GCPtr pGC,
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int x, int y, int count, char *chars)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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unsigned long n, i;
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int w;
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CharInfoPtr charinfo[255];
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Drawable draw;
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GetGlyphs(pGC->font, (unsigned long) count, (unsigned char *) chars,
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Linear8Bit, &n, charinfo);
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/* Calculate text width */
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w = 0;
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for (i = 0; i < n; i++)
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w += charinfo[i]->metrics.characterWidth;
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if (n != 0 && !DMX_GCOPS_OFFSCREEN(pDrawable)) {
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DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
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XDrawString(dmxScreen->beDisplay, draw, pGCPriv->gc,
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x, y, chars, count);
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dmxSync(dmxScreen, FALSE);
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}
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return x + w;
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}
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/** Render string of 16-bit \a chars (foreground only) in \a pDrawable
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* on the back-end server associated with \a pDrawable's screen. If
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* the offscreen optimization is enabled, only draw when \a pDrawable
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* is at least partially visible. */
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int
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dmxPolyText16(DrawablePtr pDrawable, GCPtr pGC,
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int x, int y, int count, unsigned short *chars)
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{
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DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
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dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
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unsigned long n, i;
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int w;
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CharInfoPtr charinfo[255];
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Drawable draw;
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GetGlyphs(pGC->font, (unsigned long) count, (unsigned char *) chars,
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(FONTLASTROW(pGC->font) == 0) ? Linear16Bit : TwoD16Bit,
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&n, charinfo);
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/* Calculate text width */
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w = 0;
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for (i = 0; i < n; i++)
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w += charinfo[i]->metrics.characterWidth;
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if (n != 0 && !DMX_GCOPS_OFFSCREEN(pDrawable)) {
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DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
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XDrawString16(dmxScreen->beDisplay, draw, pGCPriv->gc,
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x, y, (XChar2b *) chars, count);
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dmxSync(dmxScreen, FALSE);
|
|
}
|
|
|
|
return x + w;
|
|
}
|
|
|
|
/** Render string of 8-bit \a chars (both foreground and background) in
|
|
* \a pDrawable on the back-end server associated with \a pDrawable's
|
|
* screen. If the offscreen optimization is enabled, only draw when \a
|
|
* pDrawable is at least partially visible. */
|
|
void
|
|
dmxImageText8(DrawablePtr pDrawable, GCPtr pGC,
|
|
int x, int y, int count, char *chars)
|
|
{
|
|
DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
|
|
dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
|
|
Drawable draw;
|
|
|
|
if (DMX_GCOPS_OFFSCREEN(pDrawable))
|
|
return;
|
|
|
|
DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
|
|
|
|
XDrawImageString(dmxScreen->beDisplay, draw, pGCPriv->gc,
|
|
x, y, chars, count);
|
|
dmxSync(dmxScreen, FALSE);
|
|
}
|
|
|
|
/** Render string of 16-bit \a chars (both foreground and background) in
|
|
* \a pDrawable on the back-end server associated with \a pDrawable's
|
|
* screen. If the offscreen optimization is enabled, only draw when \a
|
|
* pDrawable is at least partially visible. */
|
|
void
|
|
dmxImageText16(DrawablePtr pDrawable, GCPtr pGC,
|
|
int x, int y, int count, unsigned short *chars)
|
|
{
|
|
DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
|
|
dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
|
|
Drawable draw;
|
|
|
|
if (DMX_GCOPS_OFFSCREEN(pDrawable))
|
|
return;
|
|
|
|
DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
|
|
|
|
XDrawImageString16(dmxScreen->beDisplay, draw, pGCPriv->gc,
|
|
x, y, (XChar2b *) chars, count);
|
|
dmxSync(dmxScreen, FALSE);
|
|
}
|
|
|
|
/** Image Glyph Blt -- this function should never be called. */
|
|
void
|
|
dmxImageGlyphBlt(DrawablePtr pDrawable, GCPtr pGC,
|
|
int x, int y, unsigned int nglyph,
|
|
CharInfoPtr * ppci, void *pglyphBase)
|
|
{
|
|
/* Error -- this should never happen! */
|
|
}
|
|
|
|
/** Poly Glyph Blt -- this function should never be called. */
|
|
void
|
|
dmxPolyGlyphBlt(DrawablePtr pDrawable, GCPtr pGC,
|
|
int x, int y, unsigned int nglyph,
|
|
CharInfoPtr * ppci, void *pglyphBase)
|
|
{
|
|
/* Error -- this should never happen! */
|
|
}
|
|
|
|
/** Push Pixels -- this function should never be called. */
|
|
void
|
|
dmxPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDst,
|
|
int w, int h, int x, int y)
|
|
{
|
|
/* Error -- this should never happen! */
|
|
}
|
|
|
|
/**********************************************************************
|
|
* Miscellaneous drawing commands
|
|
*/
|
|
|
|
/** When Xinerama is active, the client pixmaps are always obtained from
|
|
* screen 0. When screen 0 is detached, the pixmaps must be obtained
|
|
* from any other screen that is not detached. Usually, this is screen
|
|
* 1. */
|
|
static DMXScreenInfo *
|
|
dmxFindAlternatePixmap(DrawablePtr pDrawable, XID *draw)
|
|
{
|
|
#ifdef PANORAMIX
|
|
PanoramiXRes *pXinPix;
|
|
int i;
|
|
DMXScreenInfo *dmxScreen;
|
|
|
|
if (noPanoramiXExtension)
|
|
return NULL;
|
|
if (pDrawable->type != DRAWABLE_PIXMAP)
|
|
return NULL;
|
|
|
|
if (Success != dixLookupResourceByType((void **) &pXinPix,
|
|
pDrawable->id, XRT_PIXMAP,
|
|
NullClient, DixUnknownAccess))
|
|
return NULL;
|
|
|
|
FOR_NSCREENS_FORWARD_SKIP(i) {
|
|
dmxScreen = &dmxScreens[i];
|
|
if (dmxScreen->beDisplay) {
|
|
PixmapPtr pSrc;
|
|
dmxPixPrivPtr pSrcPriv;
|
|
|
|
dixLookupResourceByType((void **) &pSrc, pXinPix->info[i].id,
|
|
RT_PIXMAP, NullClient, DixUnknownAccess);
|
|
pSrcPriv = DMX_GET_PIXMAP_PRIV(pSrc);
|
|
if (pSrcPriv->pixmap) {
|
|
*draw = pSrcPriv->pixmap;
|
|
return dmxScreen;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
return NULL;
|
|
}
|
|
|
|
/** Get an image from the back-end server associated with \a pDrawable's
|
|
* screen. If \a pDrawable is a window, it must be viewable to get an
|
|
* image from it. If it is not viewable, then get the image from the
|
|
* first ancestor of \a pDrawable that is viewable. If no viewable
|
|
* ancestor is found, then simply return without getting an image. */
|
|
void
|
|
dmxGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
|
|
unsigned int format, unsigned long planeMask, char *pdstLine)
|
|
{
|
|
DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
|
|
XImage *img;
|
|
Drawable draw;
|
|
|
|
/* Cannot get image from unviewable window */
|
|
if (pDrawable->type == DRAWABLE_WINDOW) {
|
|
WindowPtr pWindow = (WindowPtr) pDrawable;
|
|
|
|
if (!pWindow->viewable) {
|
|
while (!pWindow->viewable && pWindow->parent) {
|
|
sx += pWindow->origin.x - wBorderWidth(pWindow);
|
|
sx += pWindow->origin.y - wBorderWidth(pWindow);
|
|
pWindow = pWindow->parent;
|
|
}
|
|
if (!pWindow->viewable) {
|
|
return;
|
|
}
|
|
}
|
|
DMX_GCOPS_SET_DRAWABLE(&pWindow->drawable, draw);
|
|
if (DMX_GCOPS_OFFSCREEN(&pWindow->drawable))
|
|
return;
|
|
}
|
|
else {
|
|
DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
|
|
if (DMX_GCOPS_OFFSCREEN(pDrawable)) {
|
|
/* Try to find the pixmap on a non-detached Xinerama screen */
|
|
dmxScreen = dmxFindAlternatePixmap(pDrawable, &draw);
|
|
if (!dmxScreen)
|
|
return;
|
|
}
|
|
}
|
|
|
|
img = XGetImage(dmxScreen->beDisplay, draw,
|
|
sx, sy, w, h, planeMask, format);
|
|
if (img) {
|
|
int len = img->bytes_per_line * img->height;
|
|
|
|
memmove(pdstLine, img->data, len);
|
|
XDestroyImage(img);
|
|
}
|
|
|
|
dmxSync(dmxScreen, FALSE);
|
|
}
|
|
|
|
/** Get Spans -- this function should never be called. */
|
|
void
|
|
dmxGetSpans(DrawablePtr pDrawable, int wMax,
|
|
DDXPointPtr ppt, int *pwidth, int nspans, char *pdstStart)
|
|
{
|
|
/* Error -- this should never happen! */
|
|
}
|