diff options
Diffstat (limited to 'xorg-server/mi/miglblt.c')
-rw-r--r-- | xorg-server/mi/miglblt.c | 488 |
1 files changed, 232 insertions, 256 deletions
diff --git a/xorg-server/mi/miglblt.c b/xorg-server/mi/miglblt.c index b93ef5efa..1a70911fa 100644 --- a/xorg-server/mi/miglblt.c +++ b/xorg-server/mi/miglblt.c @@ -1,256 +1,232 @@ -/***********************************************************
-
-Copyright 1987, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP 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.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-******************************************************************/
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xmd.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include <X11/fonts/fontstruct.h>
-#include "dixfontstr.h"
-#include "gcstruct.h"
-#include "windowstr.h"
-#include "scrnintstr.h"
-#include "pixmap.h"
-#include "servermd.h"
-#include "mi.h"
-
-/*
- machine-independent glyph blt.
- assumes that glyph bits in snf are written in bytes,
-have same bit order as the server's bitmap format,
-and are byte padded. this corresponds to the snf distributed
-with the sample server.
-
- get a scratch GC.
- in the scratch GC set alu = GXcopy, fg = 1, bg = 0
- allocate a bitmap big enough to hold the largest glyph in the font
- validate the scratch gc with the bitmap
- for each glyph
- carefully put the bits of the glyph in a buffer,
- padded to the server pixmap scanline padding rules
- fake a call to PutImage from the buffer into the bitmap
- use the bitmap in a call to PushPixels
-*/
-
-void
-miPolyGlyphBlt(
- DrawablePtr pDrawable,
- GC *pGC,
- int x,
- int y,
- unsigned int nglyph,
- CharInfoPtr *ppci, /* array of character info */
- pointer pglyphBase /* start of array of glyphs */
- )
-{
- int width, height;
- PixmapPtr pPixmap;
- int nbyLine; /* bytes per line of padded pixmap */
- FontPtr pfont;
- GCPtr pGCtmp;
- int i;
- int j;
- unsigned char *pbits; /* buffer for PutImage */
- unsigned char *pb; /* temp pointer into buffer */
- CharInfoPtr pci; /* currect char info */
- unsigned char *pglyph; /* pointer bits in glyph */
- int gWidth, gHeight; /* width and height of glyph */
- int nbyGlyphWidth; /* bytes per scanline of glyph */
- int nbyPadGlyph; /* server padded line of glyph */
-
- ChangeGCVal gcvals[3];
-
- if (pGC->miTranslate)
- {
- x += pDrawable->x;
- y += pDrawable->y;
- }
-
- pfont = pGC->font;
- width = FONTMAXBOUNDS(pfont,rightSideBearing) -
- FONTMINBOUNDS(pfont,leftSideBearing);
- height = FONTMAXBOUNDS(pfont,ascent) +
- FONTMAXBOUNDS(pfont,descent);
-
- pPixmap = (*pDrawable->pScreen->CreatePixmap)(pDrawable->pScreen,
- width, height, 1,
- CREATE_PIXMAP_USAGE_SCRATCH);
- if (!pPixmap)
- return;
-
- pGCtmp = GetScratchGC(1, pDrawable->pScreen);
- if (!pGCtmp)
- {
- (*pDrawable->pScreen->DestroyPixmap)(pPixmap);
- return;
- }
-
- gcvals[0].val = GXcopy;
- gcvals[1].val = 1;
- gcvals[2].val = 0;
-
- ChangeGC(NullClient, pGCtmp, GCFunction|GCForeground|GCBackground, gcvals);
-
- nbyLine = BitmapBytePad(width);
- pbits = malloc(height*nbyLine);
- if (!pbits)
- {
- (*pDrawable->pScreen->DestroyPixmap)(pPixmap);
- FreeScratchGC(pGCtmp);
- return;
- }
- while(nglyph--)
- {
- pci = *ppci++;
- pglyph = FONTGLYPHBITS(pglyphBase, pci);
- gWidth = GLYPHWIDTHPIXELS(pci);
- gHeight = GLYPHHEIGHTPIXELS(pci);
- if (gWidth && gHeight)
- {
- nbyGlyphWidth = GLYPHWIDTHBYTESPADDED(pci);
- nbyPadGlyph = BitmapBytePad(gWidth);
-
- if (nbyGlyphWidth == nbyPadGlyph
-#if GLYPHPADBYTES != 4
- && (((int) pglyph) & 3) == 0
-#endif
- )
- {
- pb = pglyph;
- }
- else
- {
- for (i=0, pb = pbits; i<gHeight; i++, pb = pbits+(i*nbyPadGlyph))
- for (j = 0; j < nbyGlyphWidth; j++)
- *pb++ = *pglyph++;
- pb = pbits;
- }
-
- if ((pGCtmp->serialNumber) != (pPixmap->drawable.serialNumber))
- ValidateGC((DrawablePtr)pPixmap, pGCtmp);
- (*pGCtmp->ops->PutImage)((DrawablePtr)pPixmap, pGCtmp,
- pPixmap->drawable.depth,
- 0, 0, gWidth, gHeight,
- 0, XYBitmap, (char *)pb);
-
- (*pGC->ops->PushPixels)(pGC, pPixmap, pDrawable,
- gWidth, gHeight,
- x + pci->metrics.leftSideBearing,
- y - pci->metrics.ascent);
- }
- x += pci->metrics.characterWidth;
- }
- (*pDrawable->pScreen->DestroyPixmap)(pPixmap);
- free(pbits);
- FreeScratchGC(pGCtmp);
-}
-
-
-void
-miImageGlyphBlt(
- DrawablePtr pDrawable,
- GC *pGC,
- int x,
- int y,
- unsigned int nglyph,
- CharInfoPtr *ppci, /* array of character info */
- pointer pglyphBase /* start of array of glyphs */
- )
-{
- ExtentInfoRec info; /* used by QueryGlyphExtents() */
- ChangeGCVal gcvals[3];
- int oldAlu, oldFS;
- unsigned long oldFG;
- xRectangle backrect;
-
- QueryGlyphExtents(pGC->font, ppci, (unsigned long)nglyph, &info);
-
- if (info.overallWidth >= 0)
- {
- backrect.x = x;
- backrect.width = info.overallWidth;
- }
- else
- {
- backrect.x = x + info.overallWidth;
- backrect.width = -info.overallWidth;
- }
- backrect.y = y - FONTASCENT(pGC->font);
- backrect.height = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font);
-
- oldAlu = pGC->alu;
- oldFG = pGC->fgPixel;
- oldFS = pGC->fillStyle;
-
- /* fill in the background */
- gcvals[0].val = GXcopy;
- gcvals[1].val = pGC->bgPixel;
- gcvals[2].val = FillSolid;
- ChangeGC(NullClient, pGC, GCFunction|GCForeground|GCFillStyle, gcvals);
- ValidateGC(pDrawable, pGC);
- (*pGC->ops->PolyFillRect)(pDrawable, pGC, 1, &backrect);
-
- /* put down the glyphs */
- gcvals[0].val = oldFG;
- ChangeGC(NullClient, pGC, GCForeground, gcvals);
- ValidateGC(pDrawable, pGC);
- (*pGC->ops->PolyGlyphBlt)(pDrawable, pGC, x, y, nglyph, ppci,
- pglyphBase);
-
- /* put all the toys away when done playing */
- gcvals[0].val = oldAlu;
- gcvals[1].val = oldFG;
- gcvals[2].val = oldFS;
- ChangeGC(NullClient, pGC, GCFunction|GCForeground|GCFillStyle, gcvals);
- ValidateGC(pDrawable, pGC);
-
-}
+/*********************************************************** + +Copyright 1987, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice 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 NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP 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. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +******************************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xmd.h> +#include <X11/Xproto.h> +#include "misc.h" +#include <X11/fonts/fontstruct.h> +#include "dixfontstr.h" +#include "gcstruct.h" +#include "windowstr.h" +#include "scrnintstr.h" +#include "pixmap.h" +#include "servermd.h" +#include "mi.h" + +/* + machine-independent glyph blt. + assumes that glyph bits in snf are written in bytes, +have same bit order as the server's bitmap format, +and are byte padded. this corresponds to the snf distributed +with the sample server. + + get a scratch GC. + in the scratch GC set alu = GXcopy, fg = 1, bg = 0 + allocate a bitmap big enough to hold the largest glyph in the font + validate the scratch gc with the bitmap + for each glyph + carefully put the bits of the glyph in a buffer, + padded to the server pixmap scanline padding rules + fake a call to PutImage from the buffer into the bitmap + use the bitmap in a call to PushPixels +*/ + +void +miPolyGlyphBlt(DrawablePtr pDrawable, GC * pGC, int x, int y, unsigned int nglyph, CharInfoPtr * ppci, /* array of character info */ + pointer pglyphBase /* start of array of glyphs */ + ) +{ + int width, height; + PixmapPtr pPixmap; + int nbyLine; /* bytes per line of padded pixmap */ + FontPtr pfont; + GCPtr pGCtmp; + int i; + int j; + unsigned char *pbits; /* buffer for PutImage */ + unsigned char *pb; /* temp pointer into buffer */ + CharInfoPtr pci; /* currect char info */ + unsigned char *pglyph; /* pointer bits in glyph */ + int gWidth, gHeight; /* width and height of glyph */ + int nbyGlyphWidth; /* bytes per scanline of glyph */ + int nbyPadGlyph; /* server padded line of glyph */ + + ChangeGCVal gcvals[3]; + + if (pGC->miTranslate) { + x += pDrawable->x; + y += pDrawable->y; + } + + pfont = pGC->font; + width = FONTMAXBOUNDS(pfont, rightSideBearing) - + FONTMINBOUNDS(pfont, leftSideBearing); + height = FONTMAXBOUNDS(pfont, ascent) + FONTMAXBOUNDS(pfont, descent); + + pPixmap = (*pDrawable->pScreen->CreatePixmap) (pDrawable->pScreen, + width, height, 1, + CREATE_PIXMAP_USAGE_SCRATCH); + if (!pPixmap) + return; + + pGCtmp = GetScratchGC(1, pDrawable->pScreen); + if (!pGCtmp) { + (*pDrawable->pScreen->DestroyPixmap) (pPixmap); + return; + } + + gcvals[0].val = GXcopy; + gcvals[1].val = 1; + gcvals[2].val = 0; + + ChangeGC(NullClient, pGCtmp, GCFunction | GCForeground | GCBackground, + gcvals); + + nbyLine = BitmapBytePad(width); + pbits = malloc(height * nbyLine); + if (!pbits) { + (*pDrawable->pScreen->DestroyPixmap) (pPixmap); + FreeScratchGC(pGCtmp); + return; + } + while (nglyph--) { + pci = *ppci++; + pglyph = FONTGLYPHBITS(pglyphBase, pci); + gWidth = GLYPHWIDTHPIXELS(pci); + gHeight = GLYPHHEIGHTPIXELS(pci); + if (gWidth && gHeight) { + nbyGlyphWidth = GLYPHWIDTHBYTESPADDED(pci); + nbyPadGlyph = BitmapBytePad(gWidth); + + if (nbyGlyphWidth == nbyPadGlyph +#if GLYPHPADBYTES != 4 + && (((int) pglyph) & 3) == 0 +#endif + ) { + pb = pglyph; + } + else { + for (i = 0, pb = pbits; i < gHeight; + i++, pb = pbits + (i * nbyPadGlyph)) + for (j = 0; j < nbyGlyphWidth; j++) + *pb++ = *pglyph++; + pb = pbits; + } + + if ((pGCtmp->serialNumber) != (pPixmap->drawable.serialNumber)) + ValidateGC((DrawablePtr) pPixmap, pGCtmp); + (*pGCtmp->ops->PutImage) ((DrawablePtr) pPixmap, pGCtmp, + pPixmap->drawable.depth, + 0, 0, gWidth, gHeight, + 0, XYBitmap, (char *) pb); + + (*pGC->ops->PushPixels) (pGC, pPixmap, pDrawable, + gWidth, gHeight, + x + pci->metrics.leftSideBearing, + y - pci->metrics.ascent); + } + x += pci->metrics.characterWidth; + } + (*pDrawable->pScreen->DestroyPixmap) (pPixmap); + free(pbits); + FreeScratchGC(pGCtmp); +} + +void +miImageGlyphBlt(DrawablePtr pDrawable, GC * pGC, int x, int y, unsigned int nglyph, CharInfoPtr * ppci, /* array of character info */ + pointer pglyphBase /* start of array of glyphs */ + ) +{ + ExtentInfoRec info; /* used by QueryGlyphExtents() */ + ChangeGCVal gcvals[3]; + int oldAlu, oldFS; + unsigned long oldFG; + xRectangle backrect; + + QueryGlyphExtents(pGC->font, ppci, (unsigned long) nglyph, &info); + + if (info.overallWidth >= 0) { + backrect.x = x; + backrect.width = info.overallWidth; + } + else { + backrect.x = x + info.overallWidth; + backrect.width = -info.overallWidth; + } + backrect.y = y - FONTASCENT(pGC->font); + backrect.height = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font); + + oldAlu = pGC->alu; + oldFG = pGC->fgPixel; + oldFS = pGC->fillStyle; + + /* fill in the background */ + gcvals[0].val = GXcopy; + gcvals[1].val = pGC->bgPixel; + gcvals[2].val = FillSolid; + ChangeGC(NullClient, pGC, GCFunction | GCForeground | GCFillStyle, gcvals); + ValidateGC(pDrawable, pGC); + (*pGC->ops->PolyFillRect) (pDrawable, pGC, 1, &backrect); + + /* put down the glyphs */ + gcvals[0].val = oldFG; + ChangeGC(NullClient, pGC, GCForeground, gcvals); + ValidateGC(pDrawable, pGC); + (*pGC->ops->PolyGlyphBlt) (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); + + /* put all the toys away when done playing */ + gcvals[0].val = oldAlu; + gcvals[1].val = oldFG; + gcvals[2].val = oldFS; + ChangeGC(NullClient, pGC, GCFunction | GCForeground | GCFillStyle, gcvals); + ValidateGC(pDrawable, pGC); + +} |