diff options
Diffstat (limited to 'xorg-server/hw/dmx/dmxgcops.c')
| -rw-r--r-- | xorg-server/hw/dmx/dmxgcops.c | 1210 |
1 files changed, 605 insertions, 605 deletions
diff --git a/xorg-server/hw/dmx/dmxgcops.c b/xorg-server/hw/dmx/dmxgcops.c index 07165f731..500e2cdf1 100644 --- a/xorg-server/hw/dmx/dmxgcops.c +++ b/xorg-server/hw/dmx/dmxgcops.c @@ -1,605 +1,605 @@ -/*
- * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
- *
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation on the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-/*
- * Authors:
- * Kevin E. Martin <kem@redhat.com>
- *
- */
-
-/** \file
- * This file provides support for GC operations. */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxsync.h"
-#include "dmxgc.h"
-#include "dmxgcops.h"
-#include "dmxwindow.h"
-#include "dmxpixmap.h"
-
-#include "mi.h"
-#include "gcstruct.h"
-#include "pixmapstr.h"
-#include "dixfontstr.h"
-
-#ifdef PANORAMIX
-#include "panoramiXsrv.h"
-#endif
-
-#define DMX_GCOPS_SET_DRAWABLE(_pDraw, _draw) \
-do { \
- if ((_pDraw)->type == DRAWABLE_WINDOW) { \
- dmxWinPrivPtr pWinPriv = \
- DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw)); \
- (_draw) = (Drawable)pWinPriv->window; \
- } else { \
- dmxPixPrivPtr pPixPriv = \
- DMX_GET_PIXMAP_PRIV((PixmapPtr)(_pDraw)); \
- (_draw) = (Drawable)pPixPriv->pixmap; \
- } \
-} while (0)
-
-#define DMX_GCOPS_OFFSCREEN(_pDraw) \
- (!dmxScreens[(_pDraw)->pScreen->myNum].beDisplay || \
- (dmxOffScreenOpt && \
- (_pDraw)->type == DRAWABLE_WINDOW && \
- (DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->offscreen || \
- !DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->window)))
-
-/** Fill spans -- this function should never be called. */
-void dmxFillSpans(DrawablePtr pDrawable, GCPtr pGC,
- int nInit, DDXPointPtr pptInit, int *pwidthInit,
- int fSorted)
-{
- /* Error -- this should never happen! */
-}
-
-/** Set spans -- this function should never be called. */
-void dmxSetSpans(DrawablePtr pDrawable, GCPtr pGC,
- char *psrc, DDXPointPtr ppt, int *pwidth, int nspans,
- int fSorted)
-{
- /* Error -- this should never happen! */
-}
-
-/** Transfer \a pBits image to back-end server associated with \a
- * pDrawable's screen. If primitive subdivision optimization is
- * enabled, then only transfer the sections of \a pBits that are
- * visible (i.e., not-clipped) to the back-end server. */
-void dmxPutImage(DrawablePtr pDrawable, GCPtr pGC,
- int depth, int x, int y, int w, int h,
- int leftPad, int format, char *pBits)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- XImage *img;
-
- if (DMX_GCOPS_OFFSCREEN(pDrawable)) return;
-
- img = XCreateImage(dmxScreen->beDisplay,
- dmxScreen->beVisuals[dmxScreen->beDefVisualIndex].visual,
- depth, format, leftPad, pBits, w, h,
- BitmapPad(dmxScreen->beDisplay),
- (format == ZPixmap) ?
- PixmapBytePad(w, depth) : BitmapBytePad(w+leftPad));
-
- if (img) {
- Drawable draw;
-
- DMX_GCOPS_SET_DRAWABLE(pDrawable, draw);
-
- if (dmxSubdividePrimitives && pGC->pCompositeClip) {
- RegionPtr pSubImages;
- RegionPtr pClip;
- BoxRec box;
- BoxPtr pBox;
- int nBox;
-
- box.x1 = x;
- box.y1 = y;
- box.x2 = x + w;
- box.y2 = y + h;
- pSubImages = RegionCreate(&box, 1);
-
- pClip = RegionCreate(NullBox, 1);
- RegionCopy(pClip, pGC->pCompositeClip);
- RegionTranslate(pClip,
- -pDrawable->x, -pDrawable->y);
- RegionIntersect(pSubImages, pSubImages, pClip);
-
- nBox = RegionNumRects(pSubImages);
- pBox = RegionRects(pSubImages);
-
- while (nBox--) {
- XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc, img,
- pBox->x1 - box.x1,
- pBox->y1 - box.y1,
- pBox->x1,
- pBox->y1,
- pBox->x2 - pBox->x1,
- pBox->y2 - pBox->y1);
- pBox++;
- }
- RegionDestroy(pClip);
- RegionDestroy(pSubImages);
- } else {
- XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc,
- img, 0, 0, x, y, w, h);
- }
- XFree(img); /* Use XFree instead of XDestroyImage
- * because pBits is passed in from the
- * caller. */
-
- dmxSync(dmxScreen, FALSE);
- } else {
- /* Error -- this should not happen! */
- }
-}
-
-/** Copy area from \a pSrc drawable to \a pDst drawable on the back-end
- * server associated with \a pSrc drawable's screen. If the offscreen
- * optimization is enabled, only copy when both \a pSrc and \a pDst are
- * at least partially visible. */
-RegionPtr dmxCopyArea(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
- int srcx, int srcy, int w, int h, int dstx, int dsty)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable srcDraw, dstDraw;
-
- if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst))
- return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h,
- dstx, dsty, 0L);
-
- DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw);
- DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw);
-
- XCopyArea(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc,
- srcx, srcy, w, h, dstx, dsty);
- dmxSync(dmxScreen, FALSE);
-
- return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h,
- dstx, dsty, 0L);
-}
-
-/** Copy plane number \a bitPlane from \a pSrc drawable to \a pDst
- * drawable on the back-end server associated with \a pSrc drawable's
- * screen. If the offscreen optimization is enabled, only copy when
- * both \a pSrc and \a pDst are at least partially visible. */
-RegionPtr dmxCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
- int srcx, int srcy, int width, int height,
- int dstx, int dsty, unsigned long bitPlane)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum];
- dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC);
- Drawable srcDraw, dstDraw;
-
- if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst))
- return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height,
- dstx, dsty, bitPlane);
-
- DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw);
- DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw);
-
- XCopyPlane(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc,
- srcx, srcy, width, height, dstx, dsty, bitPlane);
- dmxSync(dmxScreen, FALSE);
-
- return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height,
- dstx, dsty, bitPlane);
-}
-
-/** Render list of points, \a pptInit 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 dmxPolyPoint(DrawablePtr pDrawable, GCPtr pGC,
- int mode, int npt, DDXPointPtr pptInit)
-{
- 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);
-
- XDrawPoints(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XPoint *)pptInit, npt, mode);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render list of connected lines, \a pptInit 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 dmxPolylines(DrawablePtr pDrawable, GCPtr pGC,
- int mode, int npt, DDXPointPtr pptInit)
-{
- 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);
-
- XDrawLines(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XPoint *)pptInit, npt, mode);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render list of disjoint segments, \a pSegs 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 dmxPolySegment(DrawablePtr pDrawable, GCPtr pGC,
- int nseg, xSegment *pSegs)
-{
- 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);
-
- XDrawSegments(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XSegment *)pSegs, nseg);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render list of rectangle outlines, \a pRects 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 dmxPolyRectangle(DrawablePtr pDrawable, GCPtr pGC,
- int nrects, xRectangle *pRects)
-{
- 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);
-
- XDrawRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XRectangle *)pRects, nrects);
-
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render list of arc outlines, \a parcs 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 dmxPolyArc(DrawablePtr pDrawable, GCPtr pGC,
- int narcs, xArc *parcs)
-{
- 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);
-
- XDrawArcs(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XArc *)parcs, narcs);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render a filled polygons 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 dmxFillPolygon(DrawablePtr pDrawable, GCPtr pGC,
- int shape, int mode, int count, DDXPointPtr pPts)
-{
- 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);
-
- XFillPolygon(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XPoint *)pPts, count, shape, mode);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render list of filled rectangles, \a prectInit 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 dmxPolyFillRect(DrawablePtr pDrawable, GCPtr pGC,
- int nrectFill, xRectangle *prectInit)
-{
- 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);
-
- XFillRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XRectangle *)prectInit, nrectFill);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render list of filled arcs, \a parcs 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 dmxPolyFillArc(DrawablePtr pDrawable, GCPtr pGC,
- int narcs, xArc *parcs)
-{
- 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);
-
- XFillArcs(dmxScreen->beDisplay, draw, pGCPriv->gc,
- (XArc *)parcs, narcs);
- dmxSync(dmxScreen, FALSE);
-}
-
-/** Render string of 8-bit \a chars (foreground only) 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. */
-int dmxPolyText8(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);
- unsigned long n, i;
- int w;
- CharInfoPtr charinfo[255];
- Drawable draw;
-
- GetGlyphs(pGC->font, (unsigned long)count, (unsigned char *)chars,
- Linear8Bit, &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);
-
- XDrawString(dmxScreen->beDisplay, draw, pGCPriv->gc,
- x, y, chars, count);
- dmxSync(dmxScreen, FALSE);
- }
-
- return x+w;
-}
-
-/** Render string of 16-bit \a chars (foreground only) 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. */
-int dmxPolyText16(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);
- 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! */
-}
+/* + * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina. + * + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation on the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * Authors: + * Kevin E. Martin <kem@redhat.com> + * + */ + +/** \file + * This file provides support for GC operations. */ + +#ifdef HAVE_DMX_CONFIG_H +#include <dmx-config.h> +#endif + +#include "dmx.h" +#include "dmxsync.h" +#include "dmxgc.h" +#include "dmxgcops.h" +#include "dmxwindow.h" +#include "dmxpixmap.h" + +#include "mi.h" +#include "gcstruct.h" +#include "pixmapstr.h" +#include "dixfontstr.h" + +#ifdef PANORAMIX +#include "panoramiXsrv.h" +#endif + +#define DMX_GCOPS_SET_DRAWABLE(_pDraw, _draw) \ +do { \ + if ((_pDraw)->type == DRAWABLE_WINDOW) { \ + dmxWinPrivPtr pWinPriv = \ + DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw)); \ + (_draw) = (Drawable)pWinPriv->window; \ + } else { \ + dmxPixPrivPtr pPixPriv = \ + DMX_GET_PIXMAP_PRIV((PixmapPtr)(_pDraw)); \ + (_draw) = (Drawable)pPixPriv->pixmap; \ + } \ +} while (0) + +#define DMX_GCOPS_OFFSCREEN(_pDraw) \ + (!dmxScreens[(_pDraw)->pScreen->myNum].beDisplay || \ + (dmxOffScreenOpt && \ + (_pDraw)->type == DRAWABLE_WINDOW && \ + (DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->offscreen || \ + !DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->window))) + +/** Fill spans -- this function should never be called. */ +void dmxFillSpans(DrawablePtr pDrawable, GCPtr pGC, + int nInit, DDXPointPtr pptInit, int *pwidthInit, + int fSorted) +{ + /* Error -- this should never happen! */ +} + +/** Set spans -- this function should never be called. */ +void dmxSetSpans(DrawablePtr pDrawable, GCPtr pGC, + char *psrc, DDXPointPtr ppt, int *pwidth, int nspans, + int fSorted) +{ + /* Error -- this should never happen! */ +} + +/** Transfer \a pBits image to back-end server associated with \a + * pDrawable's screen. If primitive subdivision optimization is + * enabled, then only transfer the sections of \a pBits that are + * visible (i.e., not-clipped) to the back-end server. */ +void dmxPutImage(DrawablePtr pDrawable, GCPtr pGC, + int depth, int x, int y, int w, int h, + int leftPad, int format, char *pBits) +{ + DMXScreenInfo *dmxScreen = &dmxScreens[pDrawable->pScreen->myNum]; + dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); + XImage *img; + + if (DMX_GCOPS_OFFSCREEN(pDrawable)) return; + + img = XCreateImage(dmxScreen->beDisplay, + dmxScreen->beVisuals[dmxScreen->beDefVisualIndex].visual, + depth, format, leftPad, pBits, w, h, + BitmapPad(dmxScreen->beDisplay), + (format == ZPixmap) ? + PixmapBytePad(w, depth) : BitmapBytePad(w+leftPad)); + + if (img) { + Drawable draw; + + DMX_GCOPS_SET_DRAWABLE(pDrawable, draw); + + if (dmxSubdividePrimitives && pGC->pCompositeClip) { + RegionPtr pSubImages; + RegionPtr pClip; + BoxRec box; + BoxPtr pBox; + int nBox; + + box.x1 = x; + box.y1 = y; + box.x2 = x + w; + box.y2 = y + h; + pSubImages = RegionCreate(&box, 1); + + pClip = RegionCreate(NullBox, 1); + RegionCopy(pClip, pGC->pCompositeClip); + RegionTranslate(pClip, + -pDrawable->x, -pDrawable->y); + RegionIntersect(pSubImages, pSubImages, pClip); + + nBox = RegionNumRects(pSubImages); + pBox = RegionRects(pSubImages); + + while (nBox--) { + XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc, img, + pBox->x1 - box.x1, + pBox->y1 - box.y1, + pBox->x1, + pBox->y1, + pBox->x2 - pBox->x1, + pBox->y2 - pBox->y1); + pBox++; + } + RegionDestroy(pClip); + RegionDestroy(pSubImages); + } else { + XPutImage(dmxScreen->beDisplay, draw, pGCPriv->gc, + img, 0, 0, x, y, w, h); + } + XFree(img); /* Use XFree instead of XDestroyImage + * because pBits is passed in from the + * caller. */ + + dmxSync(dmxScreen, FALSE); + } else { + /* Error -- this should not happen! */ + } +} + +/** Copy area from \a pSrc drawable to \a pDst drawable on the back-end + * server associated with \a pSrc drawable's screen. If the offscreen + * optimization is enabled, only copy when both \a pSrc and \a pDst are + * at least partially visible. */ +RegionPtr dmxCopyArea(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, + int srcx, int srcy, int w, int h, int dstx, int dsty) +{ + DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum]; + dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); + Drawable srcDraw, dstDraw; + + if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst)) + return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h, + dstx, dsty, 0L); + + DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw); + DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw); + + XCopyArea(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc, + srcx, srcy, w, h, dstx, dsty); + dmxSync(dmxScreen, FALSE); + + return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, w, h, + dstx, dsty, 0L); +} + +/** Copy plane number \a bitPlane from \a pSrc drawable to \a pDst + * drawable on the back-end server associated with \a pSrc drawable's + * screen. If the offscreen optimization is enabled, only copy when + * both \a pSrc and \a pDst are at least partially visible. */ +RegionPtr dmxCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, + int srcx, int srcy, int width, int height, + int dstx, int dsty, unsigned long bitPlane) +{ + DMXScreenInfo *dmxScreen = &dmxScreens[pSrc->pScreen->myNum]; + dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(pGC); + Drawable srcDraw, dstDraw; + + if (DMX_GCOPS_OFFSCREEN(pSrc) || DMX_GCOPS_OFFSCREEN(pDst)) + return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height, + dstx, dsty, bitPlane); + + DMX_GCOPS_SET_DRAWABLE(pSrc, srcDraw); + DMX_GCOPS_SET_DRAWABLE(pDst, dstDraw); + + XCopyPlane(dmxScreen->beDisplay, srcDraw, dstDraw, pGCPriv->gc, + srcx, srcy, width, height, dstx, dsty, bitPlane); + dmxSync(dmxScreen, FALSE); + + return miHandleExposures(pSrc, pDst, pGC, srcx, srcy, width, height, + dstx, dsty, bitPlane); +} + +/** Render list of points, \a pptInit 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 dmxPolyPoint(DrawablePtr pDrawable, GCPtr pGC, + int mode, int npt, DDXPointPtr pptInit) +{ + 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); + + XDrawPoints(dmxScreen->beDisplay, draw, pGCPriv->gc, + (XPoint *)pptInit, npt, mode); + dmxSync(dmxScreen, FALSE); +} + +/** Render list of connected lines, \a pptInit 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 dmxPolylines(DrawablePtr pDrawable, GCPtr pGC, + int mode, int npt, DDXPointPtr pptInit) +{ + 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); + + XDrawLines(dmxScreen->beDisplay, draw, pGCPriv->gc, + (XPoint *)pptInit, npt, mode); + dmxSync(dmxScreen, FALSE); +} + +/** Render list of disjoint segments, \a pSegs 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 dmxPolySegment(DrawablePtr pDrawable, GCPtr pGC, + int nseg, xSegment *pSegs) +{ + 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); + + XDrawSegments(dmxScreen->beDisplay, draw, pGCPriv->gc, + (XSegment *)pSegs, nseg); + dmxSync(dmxScreen, FALSE); +} + +/** Render list of rectangle outlines, \a pRects 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 dmxPolyRectangle(DrawablePtr pDrawable, GCPtr pGC, + int nrects, xRectangle *pRects) +{ + 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); + + XDrawRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc, + (XRectangle *)pRects, nrects); + + dmxSync(dmxScreen, FALSE); +} + +/** Render list of arc outlines, \a parcs 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 dmxPolyArc(DrawablePtr pDrawable, GCPtr pGC, + int narcs, xArc *parcs) +{ + 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); + + XDrawArcs(dmxScreen->beDisplay, draw, pGCPriv->gc, + (XArc *)parcs, narcs); + dmxSync(dmxScreen, FALSE); +} + +/** Render a filled polygons 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 dmxFillPolygon(DrawablePtr pDrawable, GCPtr pGC, + int shape, int mode, int count, DDXPointPtr pPts) +{ + 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); + + XFillPolygon(dmxScreen->beDisplay, draw, pGCPriv->gc, + (XPoint *)pPts, count, shape, mode); + dmxSync(dmxScreen, FALSE); +} + +/** Render list of filled rectangles, \a prectInit 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 dmxPolyFillRect(DrawablePtr pDrawable, GCPtr pGC, + int nrectFill, xRectangle *prectInit) +{ + 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); + + XFillRectangles(dmxScreen->beDisplay, draw, pGCPriv->gc, + (XRectangle *)prectInit, nrectFill); + dmxSync(dmxScreen, FALSE); +} + +/** Render list of filled arcs, \a parcs 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 dmxPolyFillArc(DrawablePtr pDrawable, GCPtr pGC, + int narcs, xArc *parcs) +{ + 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); + + XFillArcs(dmxScreen->beDisplay, draw, pGCPriv->gc, + (XArc *)parcs, narcs); + dmxSync(dmxScreen, FALSE); +} + +/** Render string of 8-bit \a chars (foreground only) 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. */ +int dmxPolyText8(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); + unsigned long n, i; + int w; + CharInfoPtr charinfo[255]; + Drawable draw; + + GetGlyphs(pGC->font, (unsigned long)count, (unsigned char *)chars, + Linear8Bit, &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); + + XDrawString(dmxScreen->beDisplay, draw, pGCPriv->gc, + x, y, chars, count); + dmxSync(dmxScreen, FALSE); + } + + return x+w; +} + +/** Render string of 16-bit \a chars (foreground only) 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. */ +int dmxPolyText16(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); + 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! */ +} |