105 lines
3.0 KiB
C
105 lines
3.0 KiB
C
/*
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* $Xorg: cfbigblt8.c,v 1.4 2001/02/09 02:04:38 xorgcvs Exp $
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*
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Copyright 1990, 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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*
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* Author: Keith Packard, MIT X Consortium
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*/
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/* $XFree86: xc/programs/Xserver/cfb/cfbigblt8.c,v 1.6 2001/12/14 19:59:23 dawes Exp $ */
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#include "X.h"
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#include "Xmd.h"
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#include "Xproto.h"
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#include "mi.h"
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#include "cfb.h"
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#include "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 "scrnintstr.h"
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#include "pixmapstr.h"
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#include "regionstr.h"
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#include "cfbmskbits.h"
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#include "cfb8bit.h"
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void
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cfbImageGlyphBlt8 (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
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DrawablePtr pDrawable;
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GCPtr pGC;
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int x, y;
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unsigned int nglyph;
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CharInfoPtr *ppci;
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pointer pglyphBase;
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{
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ExtentInfoRec info; /* used by QueryGlyphExtents() */
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xRectangle backrect;
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int fgPixel;
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cfbPrivGC *priv;
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/*
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* We can't avoid GC validations if calling mi functions.
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*/
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if ((pGC->ops->PolyFillRect == miPolyFillRect) ||
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(pGC->ops->PolyGlyphBlt == miPolyGlyphBlt))
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{
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miImageGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
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return;
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}
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QueryGlyphExtents(pGC->font, ppci, (unsigned long)nglyph, &info);
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if (info.overallWidth >= 0)
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{
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backrect.x = x;
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backrect.width = info.overallWidth;
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}
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else
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{
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backrect.x = x + info.overallWidth;
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backrect.width = -info.overallWidth;
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}
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backrect.y = y - FONTASCENT(pGC->font);
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backrect.height = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font);
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priv = cfbGetGCPrivate(pGC);
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/* this code cheats by knowing that ValidateGC isn't
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* necessary for PolyFillRect
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*/
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fgPixel = pGC->fgPixel;
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pGC->fgPixel = pGC->bgPixel;
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priv->xor = PFILL(pGC->bgPixel);
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(*pGC->ops->PolyFillRect) (pDrawable, pGC, 1, &backrect);
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pGC->fgPixel = fgPixel;
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priv->xor = PFILL(pGC->fgPixel);
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(*pGC->ops->PolyGlyphBlt) (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
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}
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