diff options
Diffstat (limited to 'xorg-server/mi/miglblt.c')
| -rw-r--r-- | xorg-server/mi/miglblt.c | 516 |
1 files changed, 258 insertions, 258 deletions
diff --git a/xorg-server/mi/miglblt.c b/xorg-server/mi/miglblt.c index bc715aee9..c299fe554 100644 --- a/xorg-server/mi/miglblt.c +++ b/xorg-server/mi/miglblt.c @@ -1,258 +1,258 @@ -/*********************************************************** - -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 */ - - XID 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] = GXcopy; - gcvals[1] = 1; - gcvals[2] = 0; - - DoChangeGC(pGCtmp, GCFunction|GCForeground|GCBackground, gcvals, 0); - - nbyLine = BitmapBytePad(width); - pbits = xalloc(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); - - if ((pGC->serialNumber) != (pDrawable->serialNumber)) - ValidateGC(pDrawable, pGC); - (*pGC->ops->PushPixels)(pGC, pPixmap, pDrawable, - gWidth, gHeight, - x + pci->metrics.leftSideBearing, - y - pci->metrics.ascent); - } - x += pci->metrics.characterWidth; - } - (*pDrawable->pScreen->DestroyPixmap)(pPixmap); - xfree(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() */ - XID 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] = GXcopy; - gcvals[1] = pGC->bgPixel; - gcvals[2] = FillSolid; - DoChangeGC(pGC, GCFunction|GCForeground|GCFillStyle, gcvals, 0); - ValidateGC(pDrawable, pGC); - (*pGC->ops->PolyFillRect)(pDrawable, pGC, 1, &backrect); - - /* put down the glyphs */ - gcvals[0] = oldFG; - DoChangeGC(pGC, GCForeground, gcvals, 0); - ValidateGC(pDrawable, pGC); - (*pGC->ops->PolyGlyphBlt)(pDrawable, pGC, x, y, nglyph, ppci, - pglyphBase); - - /* put all the toys away when done playing */ - gcvals[0] = oldAlu; - gcvals[1] = oldFG; - gcvals[2] = oldFS; - DoChangeGC(pGC, GCFunction|GCForeground|GCFillStyle, gcvals, 0); - 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);
+
+ if ((pGC->serialNumber) != (pDrawable->serialNumber))
+ ValidateGC(pDrawable, pGC);
+ (*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);
+
+}
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