334 lines
7.1 KiB
C
334 lines
7.1 KiB
C
/*
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Copyright 1993 by Davor Matic
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Permission to use, copy, modify, distribute, and sell this software
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and its documentation for any purpose is hereby granted without fee,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation. Davor Matic makes no representations about
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the suitability of this software for any purpose. It is provided "as
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is" without express or implied warranty.
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*/
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#ifdef HAVE_XNEST_CONFIG_H
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#include <xnest-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include "gcstruct.h"
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#include "windowstr.h"
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#include "pixmapstr.h"
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#include "scrnintstr.h"
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#include <X11/fonts/fontstruct.h>
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#include "mistruct.h"
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#include "region.h"
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#include "Xnest.h"
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#include "Display.h"
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#include "XNGC.h"
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#include "GCOps.h"
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#include "Drawable.h"
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#include "XNFont.h"
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#include "Color.h"
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DevPrivateKeyRec xnestGCPrivateKeyRec;
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static GCFuncs xnestFuncs = {
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xnestValidateGC,
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xnestChangeGC,
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xnestCopyGC,
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xnestDestroyGC,
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xnestChangeClip,
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xnestDestroyClip,
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xnestCopyClip,
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};
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static GCOps xnestOps = {
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xnestFillSpans,
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xnestSetSpans,
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xnestPutImage,
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xnestCopyArea,
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xnestCopyPlane,
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xnestPolyPoint,
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xnestPolylines,
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xnestPolySegment,
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xnestPolyRectangle,
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xnestPolyArc,
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xnestFillPolygon,
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xnestPolyFillRect,
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xnestPolyFillArc,
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xnestPolyText8,
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xnestPolyText16,
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xnestImageText8,
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xnestImageText16,
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xnestImageGlyphBlt,
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xnestPolyGlyphBlt,
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xnestPushPixels
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};
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Bool
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xnestCreateGC(GCPtr pGC)
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{
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pGC->funcs = &xnestFuncs;
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pGC->ops = &xnestOps;
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pGC->miTranslate = 1;
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xnestGCPriv(pGC)->gc = XCreateGC(xnestDisplay,
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xnestDefaultDrawables[pGC->depth],
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0L, NULL);
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xnestGCPriv(pGC)->nClipRects = 0;
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return True;
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}
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void
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xnestValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable)
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{
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}
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void
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xnestChangeGC(GCPtr pGC, unsigned long mask)
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{
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XGCValues values;
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if (mask & GCFunction)
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values.function = pGC->alu;
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if (mask & GCPlaneMask)
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values.plane_mask = pGC->planemask;
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if (mask & GCForeground)
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values.foreground = xnestPixel(pGC->fgPixel);
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if (mask & GCBackground)
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values.background = xnestPixel(pGC->bgPixel);
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if (mask & GCLineWidth)
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values.line_width = pGC->lineWidth;
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if (mask & GCLineStyle)
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values.line_style = pGC->lineStyle;
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if (mask & GCCapStyle)
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values.cap_style = pGC->capStyle;
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if (mask & GCJoinStyle)
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values.join_style = pGC->joinStyle;
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if (mask & GCFillStyle)
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values.fill_style = pGC->fillStyle;
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if (mask & GCFillRule)
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values.fill_rule = pGC->fillRule;
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if (mask & GCTile) {
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if (pGC->tileIsPixel)
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mask &= ~GCTile;
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else
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values.tile = xnestPixmap(pGC->tile.pixmap);
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}
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if (mask & GCStipple)
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values.stipple = xnestPixmap(pGC->stipple);
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if (mask & GCTileStipXOrigin)
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values.ts_x_origin = pGC->patOrg.x;
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if (mask & GCTileStipYOrigin)
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values.ts_y_origin = pGC->patOrg.y;
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if (mask & GCFont)
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values.font = xnestFont(pGC->font);
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if (mask & GCSubwindowMode)
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values.subwindow_mode = pGC->subWindowMode;
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if (mask & GCGraphicsExposures)
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values.graphics_exposures = pGC->graphicsExposures;
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if (mask & GCClipXOrigin)
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values.clip_x_origin = pGC->clipOrg.x;
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if (mask & GCClipYOrigin)
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values.clip_y_origin = pGC->clipOrg.y;
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if (mask & GCClipMask) /* this is handled in change clip */
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mask &= ~GCClipMask;
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if (mask & GCDashOffset)
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values.dash_offset = pGC->dashOffset;
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if (mask & GCDashList) {
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mask &= ~GCDashList;
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XSetDashes(xnestDisplay, xnestGC(pGC),
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pGC->dashOffset, (char *)pGC->dash, pGC->numInDashList);
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}
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if (mask & GCArcMode)
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values.arc_mode = pGC->arcMode;
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if (mask)
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XChangeGC(xnestDisplay, xnestGC(pGC), mask, &values);
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}
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void
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xnestCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst)
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{
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XCopyGC(xnestDisplay, xnestGC(pGCSrc), mask, xnestGC(pGCDst));
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}
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void
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xnestDestroyGC(GCPtr pGC)
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{
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XFreeGC(xnestDisplay, xnestGC(pGC));
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}
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void
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xnestChangeClip(GCPtr pGC, int type, pointer pValue, int nRects)
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{
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int i, size;
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BoxPtr pBox;
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XRectangle *pRects;
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xnestDestroyClipHelper(pGC);
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switch(type)
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{
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case CT_NONE:
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XSetClipMask(xnestDisplay, xnestGC(pGC), None);
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break;
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case CT_REGION:
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nRects = RegionNumRects((RegionPtr)pValue);
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size = nRects * sizeof(*pRects);
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pRects = (XRectangle *) malloc(size);
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pBox = RegionRects((RegionPtr)pValue);
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for (i = nRects; i-- > 0; ) {
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pRects[i].x = pBox[i].x1;
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pRects[i].y = pBox[i].y1;
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pRects[i].width = pBox[i].x2 - pBox[i].x1;
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pRects[i].height = pBox[i].y2 - pBox[i].y1;
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}
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XSetClipRectangles(xnestDisplay, xnestGC(pGC), 0, 0,
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pRects, nRects, Unsorted);
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free((char *) pRects);
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break;
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case CT_PIXMAP:
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XSetClipMask(xnestDisplay, xnestGC(pGC),
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xnestPixmap((PixmapPtr)pValue));
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/*
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* Need to change into region, so subsequent uses are with
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* current pixmap contents.
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*/
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pGC->clientClip = (pointer) (*pGC->pScreen->BitmapToRegion)((PixmapPtr)pValue);
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(*pGC->pScreen->DestroyPixmap)((PixmapPtr)pValue);
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pValue = pGC->clientClip;
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type = CT_REGION;
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break;
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case CT_UNSORTED:
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XSetClipRectangles(xnestDisplay, xnestGC(pGC),
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pGC->clipOrg.x, pGC->clipOrg.y,
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(XRectangle *)pValue, nRects, Unsorted);
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break;
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case CT_YSORTED:
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XSetClipRectangles(xnestDisplay, xnestGC(pGC),
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pGC->clipOrg.x, pGC->clipOrg.y,
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(XRectangle *)pValue, nRects, YSorted);
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break;
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case CT_YXSORTED:
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XSetClipRectangles(xnestDisplay, xnestGC(pGC),
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pGC->clipOrg.x, pGC->clipOrg.y,
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(XRectangle *)pValue, nRects, YXSorted);
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break;
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case CT_YXBANDED:
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XSetClipRectangles(xnestDisplay, xnestGC(pGC),
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pGC->clipOrg.x, pGC->clipOrg.y,
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(XRectangle *)pValue, nRects, YXBanded);
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break;
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}
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switch(type)
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{
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default:
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break;
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case CT_UNSORTED:
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case CT_YSORTED:
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case CT_YXSORTED:
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case CT_YXBANDED:
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/*
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* other parts of server can only deal with CT_NONE,
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* CT_PIXMAP and CT_REGION client clips.
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*/
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pGC->clientClip = (pointer) RegionFromRects(nRects,
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(xRectangle *)pValue, type);
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free(pValue);
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pValue = pGC->clientClip;
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type = CT_REGION;
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break;
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}
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pGC->clientClipType = type;
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pGC->clientClip = pValue;
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xnestGCPriv(pGC)->nClipRects = nRects;
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}
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void
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xnestDestroyClip(GCPtr pGC)
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{
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xnestDestroyClipHelper(pGC);
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XSetClipMask(xnestDisplay, xnestGC(pGC), None);
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pGC->clientClipType = CT_NONE;
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pGC->clientClip = NULL;
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xnestGCPriv(pGC)->nClipRects = 0;
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}
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void
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xnestDestroyClipHelper(GCPtr pGC)
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{
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switch (pGC->clientClipType)
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{
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default:
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case CT_NONE:
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break;
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case CT_REGION:
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RegionDestroy(pGC->clientClip);
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break;
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}
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}
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void
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xnestCopyClip(GCPtr pGCDst, GCPtr pGCSrc)
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{
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RegionPtr pRgn;
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switch (pGCSrc->clientClipType)
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{
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default:
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case CT_NONE:
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xnestDestroyClip(pGCDst);
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break;
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case CT_REGION:
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pRgn = RegionCreate(NULL, 1);
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RegionCopy(pRgn, pGCSrc->clientClip);
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xnestChangeClip(pGCDst, CT_REGION, pRgn, 0);
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break;
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}
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}
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