9838b7032e
This is strictly the application of the script 'x-indent-all.sh' from util/modular. Compared to the patch that Daniel posted in January, I've added a few indent flags: -bap -psl -T PrivatePtr -T pmWait -T _XFUNCPROTOBEGIN -T _XFUNCPROTOEND -T _X_EXPORT The typedefs were needed to make the output of sdksyms.sh match the previous output, otherwise, the code is formatted badly enough that sdksyms.sh generates incorrect output. The generated code was compared with the previous version and found to be essentially identical -- "assert" line numbers and BUILD_TIME were the only differences found. The comparison was done with this script: dir1=$1 dir2=$2 for dir in $dir1 $dir2; do (cd $dir && find . -name '*.o' | while read file; do dir=`dirname $file` base=`basename $file .o` dump=$dir/$base.dump objdump -d $file > $dump done) done find $dir1 -name '*.dump' | while read dump; do otherdump=`echo $dump | sed "s;$dir1;$dir2;"` diff -u $dump $otherdump done Signed-off-by: Keith Packard <keithp@keithp.com> Acked-by: Daniel Stone <daniel@fooishbar.org> Acked-by: Alan Coopersmith <alan.coopersmith@oracle.com>
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, 0L);
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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, 0L);
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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, bitPlane);
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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, bitPlane);
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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);
|
|
unsigned long n, i;
|
|
int w;
|
|
CharInfoPtr charinfo[255];
|
|
Drawable draw;
|
|
|
|
GetGlyphs(pGC->font, (unsigned long) count, (unsigned char *) chars,
|
|
(FONTLASTROW(pGC->font) == 0) ? Linear16Bit : TwoD16Bit,
|
|
&n, charinfo);
|
|
|
|
/* Calculate text width */
|
|
w = 0;
|
|
for (i = 0; i < n; i++)
|
|
w += charinfo[i]->metrics.characterWidth;
|
|
|
|
if (n != 0 && !DMX_GCOPS_OFFSCREEN(pDrawable)) {
|
|
DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
|
|
|
|
XDrawString16(dmxScreen->beDisplay, draw, pGCPriv->gc,
|
|
x, y, (XChar2b *) chars, count);
|
|
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, pointer 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, pointer 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((pointer *) &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((pointer *) &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! */
|
|
}
|