233 lines
8.2 KiB
C
233 lines
8.2 KiB
C
/***********************************************************
|
|
|
|
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);
|
|
|
|
}
|