647 lines
15 KiB
C
647 lines
15 KiB
C
/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN 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 SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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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, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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/*
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PSZ 8 16 24 32
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PIXEL_ADDR True True True True
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NO_ONE_RECT False False False False
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WriteBitGroup True True True True
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FOUR_BIT_CODE True False False False
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LOWMEMFTPT False False False False
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*/
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/* This gets built twice. Once for 8bpp and another for 32bpp */
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xmd.h>
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#include <X11/Xproto.h>
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#include "cfb.h"
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#include <X11/fonts/fontstruct.h>
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#include "dixfontstr.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 "region.h"
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#include "mistruct.h"
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#include "mibstore.h"
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#include "migc.h"
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#include "mioverlay.h"
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#include "cfb8_32.h"
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#include "cfbmskbits.h"
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#include "cfb8bit.h"
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#if PSZ == 8
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# define useTEGlyphBlt cfbTEGlyphBlt8
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#else
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# ifdef WriteBitGroup
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# define useTEGlyphBlt cfbImageGlyphBlt8
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# else
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# define useTEGlyphBlt cfbTEGlyphBlt
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# endif
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#endif
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#ifdef WriteBitGroup
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# define useImageGlyphBlt cfbImageGlyphBlt8
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# define usePolyGlyphBlt cfbPolyGlyphBlt8
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#else
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# define useImageGlyphBlt miImageGlyphBlt
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# define usePolyGlyphBlt miPolyGlyphBlt
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#endif
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#ifdef FOUR_BIT_CODE
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# define usePushPixels cfbPushPixels8
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#else
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# define usePushPixels mfbPushPixels
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#endif
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#ifdef PIXEL_ADDR
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# define ZeroPolyArc cfbZeroPolyArcSS8Copy
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#else
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# define ZeroPolyArc miZeroPolyArc
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#endif
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static GCOps cfb8_32TEOps1Rect = {
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cfbSolidSpansCopy,
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cfbSetSpans,
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cfb8_32PutImage,
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cfb8_32CopyArea,
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cfb8_32CopyPlane,
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cfbPolyPoint,
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#ifdef PIXEL_ADDR
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cfb8LineSS1Rect,
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cfb8SegmentSS1Rect,
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#else
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cfbLineSS,
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cfbSegmentSS,
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#endif
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miPolyRectangle,
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ZeroPolyArc,
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cfbFillPoly1RectCopy,
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cfbPolyFillRect,
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cfbPolyFillArcSolidCopy,
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miPolyText8,
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miPolyText16,
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miImageText8,
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miImageText16,
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useTEGlyphBlt,
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usePolyGlyphBlt,
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usePushPixels
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};
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static GCOps cfb8_32NonTEOps1Rect = {
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cfbSolidSpansCopy,
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cfbSetSpans,
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cfb8_32PutImage,
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cfb8_32CopyArea,
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cfb8_32CopyPlane,
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cfbPolyPoint,
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#ifdef PIXEL_ADDR
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cfb8LineSS1Rect,
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cfb8SegmentSS1Rect,
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#else
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cfbLineSS,
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cfbSegmentSS,
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#endif
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miPolyRectangle,
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ZeroPolyArc,
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cfbFillPoly1RectCopy,
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cfbPolyFillRect,
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cfbPolyFillArcSolidCopy,
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miPolyText8,
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miPolyText16,
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miImageText8,
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miImageText16,
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useImageGlyphBlt,
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usePolyGlyphBlt,
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usePushPixels
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};
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static GCOps cfb8_32TEOps = {
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cfbSolidSpansCopy,
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cfbSetSpans,
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cfb8_32PutImage,
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cfb8_32CopyArea,
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cfb8_32CopyPlane,
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cfbPolyPoint,
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cfbLineSS,
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cfbSegmentSS,
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miPolyRectangle,
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ZeroPolyArc,
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miFillPolygon,
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cfbPolyFillRect,
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cfbPolyFillArcSolidCopy,
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miPolyText8,
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miPolyText16,
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miImageText8,
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miImageText16,
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useTEGlyphBlt,
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usePolyGlyphBlt,
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usePushPixels
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};
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static GCOps cfb8_32NonTEOps = {
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cfbSolidSpansCopy,
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cfbSetSpans,
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cfb8_32PutImage,
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cfb8_32CopyArea,
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cfb8_32CopyPlane,
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cfbPolyPoint,
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cfbLineSS,
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cfbSegmentSS,
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miPolyRectangle,
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#ifdef PIXEL_ADDR
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cfbZeroPolyArcSS8Copy,
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#else
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miZeroPolyArc,
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#endif
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miFillPolygon,
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cfbPolyFillRect,
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cfbPolyFillArcSolidCopy,
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miPolyText8,
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miPolyText16,
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miImageText8,
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miImageText16,
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useImageGlyphBlt,
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usePolyGlyphBlt,
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usePushPixels
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};
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static GCOps *
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cfb8_32MatchCommon (GCPtr pGC, cfbPrivGCPtr devPriv)
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{
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if (pGC->lineWidth != 0)
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return 0;
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if (pGC->lineStyle != LineSolid)
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return 0;
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if (pGC->fillStyle != FillSolid)
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return 0;
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if (devPriv->rop != GXcopy)
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return 0;
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if (pGC->font &&
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FONTMAXBOUNDS(pGC->font,rightSideBearing) -
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FONTMINBOUNDS(pGC->font,leftSideBearing) <= 32 &&
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FONTMINBOUNDS(pGC->font,characterWidth) >= 0)
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{
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if (TERMINALFONT(pGC->font)
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#ifdef FOUR_BIT_CODE
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&& FONTMAXBOUNDS(pGC->font,characterWidth) >= PGSZB
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#endif
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)
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#ifdef NO_ONE_RECT
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return &cfb8_32TEOps1Rect;
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#else
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if (devPriv->oneRect)
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return &cfb8_32TEOps1Rect;
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else
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return &cfb8_32TEOps;
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#endif
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else
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#ifdef NO_ONE_RECT
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return &cfb8_32NonTEOps1Rect;
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#else
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if (devPriv->oneRect)
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return &cfb8_32NonTEOps1Rect;
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else
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return &cfb8_32NonTEOps;
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#endif
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}
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return 0;
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}
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/* Clipping conventions
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if the drawable is a window
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CT_REGION ==> pCompositeClip really is the composite
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CT_other ==> pCompositeClip is the window clip region
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if the drawable is a pixmap
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CT_REGION ==> pCompositeClip is the translated client region
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clipped to the pixmap boundary
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CT_other ==> pCompositeClip is the pixmap bounding box
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*/
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void
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#if PSZ == 8
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cfb8_32ValidateGC8(
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#else
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cfb8_32ValidateGC32(
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#endif
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GCPtr pGC,
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unsigned long changes,
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DrawablePtr pDrawable
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){
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int mask; /* stateChanges */
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int index; /* used for stepping through bitfields */
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int new_rrop;
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int new_line, new_text, new_fillspans, new_fillarea;
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/* flags for changing the proc vector */
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cfbPrivGCPtr devPriv;
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int oneRect;
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pGC->lastWinOrg.x = pDrawable->x;
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pGC->lastWinOrg.y = pDrawable->y;
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devPriv = cfbGetGCPrivate(pGC);
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new_rrop = FALSE;
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new_line = FALSE;
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new_text = FALSE;
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new_fillspans = FALSE;
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new_fillarea = FALSE;
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/*
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* if the client clip is different or moved OR the subwindowMode has
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* changed OR the window's clip has changed since the last validation
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* we need to recompute the composite clip
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*/
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if ((changes & (GCClipXOrigin|GCClipYOrigin|GCClipMask|GCSubwindowMode)) ||
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(pDrawable->serialNumber != (pGC->serialNumber & DRAWABLE_SERIAL_BITS)))
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{
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miComputeCompositeClip (pGC, pDrawable);
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#ifdef NO_ONE_RECT
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devPriv->oneRect = FALSE;
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#else
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oneRect = REGION_NUM_RECTS(pGC->pCompositeClip) == 1;
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if (oneRect != devPriv->oneRect)
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new_line = TRUE;
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devPriv->oneRect = oneRect;
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#endif
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}
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mask = changes;
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while (mask) {
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index = lowbit (mask);
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mask &= ~index;
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switch (index) {
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case GCFunction:
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case GCForeground:
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new_rrop = TRUE;
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break;
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case GCPlaneMask:
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new_rrop = TRUE;
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new_text = TRUE;
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break;
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case GCBackground:
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break;
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case GCLineStyle:
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case GCLineWidth:
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new_line = TRUE;
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break;
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case GCJoinStyle:
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case GCCapStyle:
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break;
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case GCFillStyle:
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new_text = TRUE;
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new_fillspans = TRUE;
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new_line = TRUE;
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new_fillarea = TRUE;
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break;
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case GCFillRule:
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break;
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case GCTile:
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new_fillspans = TRUE;
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new_fillarea = TRUE;
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break;
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case GCStipple:
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new_fillspans = TRUE;
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new_fillarea = TRUE;
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break;
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case GCTileStipXOrigin:
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case GCTileStipYOrigin:
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break;
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case GCFont:
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new_text = TRUE;
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break;
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case GCSubwindowMode:
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case GCGraphicsExposures:
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case GCClipXOrigin:
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case GCClipYOrigin:
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case GCClipMask:
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case GCDashOffset:
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case GCDashList:
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case GCArcMode:
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default:
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break;
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}
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}
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/*
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* If the drawable has changed, ensure suitable
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* entries are in the proc vector.
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*/
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if (pDrawable->serialNumber != (pGC->serialNumber & (DRAWABLE_SERIAL_BITS)))
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new_fillspans = TRUE; /* deal with FillSpans later */
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if (new_rrop)
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{
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int old_rrop;
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old_rrop = devPriv->rop;
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devPriv->rop = cfbReduceRasterOp (pGC->alu, pGC->fgPixel,
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pGC->planemask,
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&devPriv->and, &devPriv->xor);
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if (old_rrop == devPriv->rop)
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new_rrop = FALSE;
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else
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{
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#ifdef PIXEL_ADDR
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new_line = TRUE;
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#endif
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#ifdef WriteBitGroup
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new_text = TRUE;
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#endif
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new_fillspans = TRUE;
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new_fillarea = TRUE;
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}
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}
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if(!pGC->ops)
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pGC->ops = & cfb8_32NonTEOps;
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if (new_rrop || new_fillspans || new_text || new_fillarea || new_line)
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{
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GCOps *newops;
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if ((newops = cfb8_32MatchCommon (pGC, devPriv)))
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{
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if (pGC->ops->devPrivate.val)
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miDestroyGCOps (pGC->ops);
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pGC->ops = newops;
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new_rrop = new_line = new_fillspans = new_text = new_fillarea = 0;
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}
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else
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{
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if (!pGC->ops->devPrivate.val)
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{
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pGC->ops = miCreateGCOps (pGC->ops);
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pGC->ops->devPrivate.val = 1;
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}
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}
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}
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/* deal with the changes we've collected */
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if (new_line)
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{
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pGC->ops->FillPolygon = miFillPolygon;
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#ifdef NO_ONE_RECT
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if (pGC->fillStyle == FillSolid)
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{
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switch (devPriv->rop) {
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case GXcopy:
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pGC->ops->FillPolygon = cfbFillPoly1RectCopy;
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break;
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default:
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pGC->ops->FillPolygon = cfbFillPoly1RectGeneral;
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break;
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}
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}
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#else
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if (devPriv->oneRect && pGC->fillStyle == FillSolid)
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{
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switch (devPriv->rop) {
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case GXcopy:
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pGC->ops->FillPolygon = cfbFillPoly1RectCopy;
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break;
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default:
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pGC->ops->FillPolygon = cfbFillPoly1RectGeneral;
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break;
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}
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}
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#endif
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if (pGC->lineWidth == 0)
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{
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#ifdef PIXEL_ADDR
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if ((pGC->lineStyle == LineSolid) && (pGC->fillStyle == FillSolid))
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{
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switch (devPriv->rop)
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{
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case GXxor:
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pGC->ops->PolyArc = cfbZeroPolyArcSS8Xor;
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break;
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case GXcopy:
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pGC->ops->PolyArc = cfbZeroPolyArcSS8Copy;
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break;
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default:
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pGC->ops->PolyArc = cfbZeroPolyArcSS8General;
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break;
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}
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}
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else
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#endif
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pGC->ops->PolyArc = miZeroPolyArc;
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}
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else
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pGC->ops->PolyArc = miPolyArc;
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pGC->ops->PolySegment = miPolySegment;
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switch (pGC->lineStyle)
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{
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case LineSolid:
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if(pGC->lineWidth == 0)
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{
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if (pGC->fillStyle == FillSolid)
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{
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#if defined(PIXEL_ADDR) && !defined(NO_ONE_RECT)
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if (devPriv->oneRect &&
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((pDrawable->x >= pGC->pScreen->width - 32768) &&
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(pDrawable->y >= pGC->pScreen->height - 32768)))
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{
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pGC->ops->Polylines = cfb8LineSS1Rect;
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pGC->ops->PolySegment = cfb8SegmentSS1Rect;
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} else
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#endif
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#ifdef NO_ONE_RECT
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{
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pGC->ops->Polylines = cfb8LineSS1Rect;
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pGC->ops->PolySegment = cfb8SegmentSS1Rect;
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}
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#else
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{
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pGC->ops->Polylines = cfbLineSS;
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pGC->ops->PolySegment = cfbSegmentSS;
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}
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#endif
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}
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else
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pGC->ops->Polylines = miZeroLine;
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}
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else
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pGC->ops->Polylines = miWideLine;
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break;
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case LineOnOffDash:
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case LineDoubleDash:
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if (pGC->lineWidth == 0 && pGC->fillStyle == FillSolid)
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{
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pGC->ops->Polylines = cfbLineSD;
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pGC->ops->PolySegment = cfbSegmentSD;
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} else
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pGC->ops->Polylines = miWideDash;
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break;
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}
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}
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if (new_text && (pGC->font))
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{
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if (FONTMAXBOUNDS(pGC->font,rightSideBearing) -
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FONTMINBOUNDS(pGC->font,leftSideBearing) > 32 ||
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FONTMINBOUNDS(pGC->font,characterWidth) < 0)
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{
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pGC->ops->PolyGlyphBlt = miPolyGlyphBlt;
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pGC->ops->ImageGlyphBlt = miImageGlyphBlt;
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}
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else
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{
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#ifdef WriteBitGroup
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if (pGC->fillStyle == FillSolid)
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{
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if (devPriv->rop == GXcopy)
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pGC->ops->PolyGlyphBlt = cfbPolyGlyphBlt8;
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else
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#ifdef FOUR_BIT_CODE
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pGC->ops->PolyGlyphBlt = cfbPolyGlyphRop8;
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#else
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pGC->ops->PolyGlyphBlt = miPolyGlyphBlt;
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|
#endif
|
|
}
|
|
else
|
|
#endif
|
|
pGC->ops->PolyGlyphBlt = miPolyGlyphBlt;
|
|
/* special case ImageGlyphBlt for terminal emulator fonts */
|
|
#if !defined(WriteBitGroup) || PSZ == 8
|
|
if (TERMINALFONT(pGC->font) &&
|
|
(pGC->planemask & PMSK) == PMSK
|
|
#ifdef FOUR_BIT_CODE
|
|
&& FONTMAXBOUNDS(pGC->font,characterWidth) >= PGSZB
|
|
#endif
|
|
)
|
|
{
|
|
pGC->ops->ImageGlyphBlt = useTEGlyphBlt;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
#ifdef WriteBitGroup
|
|
if (devPriv->rop == GXcopy &&
|
|
pGC->fillStyle == FillSolid &&
|
|
(pGC->planemask & PMSK) == PMSK)
|
|
pGC->ops->ImageGlyphBlt = cfbImageGlyphBlt8;
|
|
else
|
|
#endif
|
|
pGC->ops->ImageGlyphBlt = miImageGlyphBlt;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
if (new_fillspans) {
|
|
switch (pGC->fillStyle) {
|
|
case FillSolid:
|
|
switch (devPriv->rop) {
|
|
case GXcopy:
|
|
pGC->ops->FillSpans = cfbSolidSpansCopy;
|
|
break;
|
|
case GXxor:
|
|
pGC->ops->FillSpans = cfbSolidSpansXor;
|
|
break;
|
|
default:
|
|
pGC->ops->FillSpans = cfbSolidSpansGeneral;
|
|
break;
|
|
}
|
|
break;
|
|
case FillTiled:
|
|
pGC->ops->FillSpans = cfbUnnaturalTileFS;
|
|
break;
|
|
case FillStippled:
|
|
case FillOpaqueStippled:
|
|
pGC->ops->FillSpans = cfbUnnaturalStippleFS;
|
|
break;
|
|
default:
|
|
FatalError("cfbValidateGC: illegal fillStyle\n");
|
|
}
|
|
} /* end of new_fillspans */
|
|
|
|
if (new_fillarea) {
|
|
#ifndef FOUR_BIT_CODE
|
|
pGC->ops->PolyFillRect = miPolyFillRect;
|
|
if (pGC->fillStyle == FillSolid || pGC->fillStyle == FillTiled)
|
|
{
|
|
pGC->ops->PolyFillRect = cfbPolyFillRect;
|
|
}
|
|
#endif
|
|
#ifdef FOUR_BIT_CODE
|
|
pGC->ops->PushPixels = mfbPushPixels;
|
|
if (pGC->fillStyle == FillSolid && devPriv->rop == GXcopy)
|
|
pGC->ops->PushPixels = cfbPushPixels8;
|
|
#endif
|
|
pGC->ops->PolyFillArc = miPolyFillArc;
|
|
if (pGC->fillStyle == FillSolid)
|
|
{
|
|
switch (devPriv->rop)
|
|
{
|
|
case GXcopy:
|
|
pGC->ops->PolyFillArc = cfbPolyFillArcSolidCopy;
|
|
break;
|
|
default:
|
|
pGC->ops->PolyFillArc = cfbPolyFillArcSolidGeneral;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|