167 lines
4.2 KiB
C
167 lines
4.2 KiB
C
/*
|
|
* This code is largely copied from fbglyph.c.
|
|
*
|
|
* Copyright © 1998 Keith Packard
|
|
* Copyright (c) 2003 Torrey T. Lyons. All Rights Reserved.
|
|
*
|
|
* 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, and that the name of Keith Packard not be used in
|
|
* advertising or publicity pertaining to distribution of the software without
|
|
* specific, written prior permission. Keith Packard makes no
|
|
* representations about the suitability of this software for any purpose. It
|
|
* is provided "as is" without express or implied warranty.
|
|
*
|
|
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
|
* EVENT SHALL KEITH PACKARD 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.
|
|
*/
|
|
/* $XFree86: xc/programs/Xserver/miext/rootless/accel/rlGlyph.c,v 1.1 2003/10/24 00:33:15 torrey Exp $ */
|
|
|
|
#include "fb.h"
|
|
#include "fontstruct.h"
|
|
#include "dixfontstr.h"
|
|
#include "rlAccel.h"
|
|
|
|
|
|
void
|
|
rlImageGlyphBlt (DrawablePtr pDrawable,
|
|
GCPtr pGC,
|
|
int x,
|
|
int y,
|
|
unsigned int nglyph,
|
|
CharInfoPtr *ppciInit,
|
|
pointer pglyphBase)
|
|
{
|
|
FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
|
|
CharInfoPtr *ppci;
|
|
CharInfoPtr pci;
|
|
unsigned char *pglyph; /* pointer bits in glyph */
|
|
int gWidth, gHeight; /* width and height of glyph */
|
|
FbStride gStride; /* stride of glyph */
|
|
Bool opaque;
|
|
int n;
|
|
int gx, gy;
|
|
#ifndef FBNOPIXADDR
|
|
void (*glyph) (FbBits *,
|
|
FbStride,
|
|
int,
|
|
FbStip *,
|
|
FbBits,
|
|
int,
|
|
int);
|
|
FbBits *dst = 0;
|
|
FbStride dstStride = 0;
|
|
int dstBpp = 0;
|
|
int dstXoff = 0, dstYoff = 0;
|
|
|
|
glyph = 0;
|
|
if (pPriv->and == 0)
|
|
{
|
|
fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
|
|
switch (dstBpp) {
|
|
case 8: glyph = fbGlyph8; break;
|
|
case 16: glyph = fbGlyph16; break;
|
|
#ifdef FB_24BIT
|
|
case 24: glyph = fbGlyph24; break;
|
|
#endif
|
|
case 32: glyph = fbGlyph32; break;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
x += pDrawable->x;
|
|
y += pDrawable->y;
|
|
|
|
if (TERMINALFONT (pGC->font)
|
|
#ifndef FBNOPIXADDR
|
|
&& !glyph
|
|
#endif
|
|
)
|
|
{
|
|
opaque = TRUE;
|
|
}
|
|
else
|
|
{
|
|
int xBack, widthBack;
|
|
int yBack, heightBack;
|
|
|
|
ppci = ppciInit;
|
|
n = nglyph;
|
|
widthBack = 0;
|
|
while (n--)
|
|
widthBack += (*ppci++)->metrics.characterWidth;
|
|
|
|
xBack = x;
|
|
if (widthBack < 0)
|
|
{
|
|
xBack += widthBack;
|
|
widthBack = -widthBack;
|
|
}
|
|
yBack = y - FONTASCENT(pGC->font);
|
|
heightBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font);
|
|
rlSolidBoxClipped (pDrawable,
|
|
fbGetCompositeClip(pGC),
|
|
xBack,
|
|
yBack,
|
|
xBack + widthBack,
|
|
yBack + heightBack,
|
|
fbAnd(GXcopy,pPriv->bg,pPriv->pm),
|
|
fbXor(GXcopy,pPriv->bg,pPriv->pm));
|
|
opaque = FALSE;
|
|
}
|
|
|
|
ppci = ppciInit;
|
|
while (nglyph--)
|
|
{
|
|
pci = *ppci++;
|
|
pglyph = FONTGLYPHBITS(pglyphBase, pci);
|
|
gWidth = GLYPHWIDTHPIXELS(pci);
|
|
gHeight = GLYPHHEIGHTPIXELS(pci);
|
|
if (gWidth && gHeight)
|
|
{
|
|
gx = x + pci->metrics.leftSideBearing;
|
|
gy = y - pci->metrics.ascent;
|
|
#ifndef FBNOPIXADDR
|
|
if (glyph && gWidth <= sizeof (FbStip) * 8 &&
|
|
fbGlyphIn (fbGetCompositeClip(pGC), gx, gy, gWidth, gHeight))
|
|
{
|
|
(*glyph) (dst + (gy + dstYoff) * dstStride,
|
|
dstStride,
|
|
dstBpp,
|
|
(FbStip *) pglyph,
|
|
pPriv->fg,
|
|
gx + dstXoff,
|
|
gHeight);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof (FbStip);
|
|
fbPutXYImage (pDrawable,
|
|
fbGetCompositeClip(pGC),
|
|
pPriv->fg,
|
|
pPriv->bg,
|
|
pPriv->pm,
|
|
GXcopy,
|
|
opaque,
|
|
|
|
gx,
|
|
gy,
|
|
gWidth, gHeight,
|
|
|
|
(FbStip *) pglyph,
|
|
gStride,
|
|
0);
|
|
}
|
|
}
|
|
x += pci->metrics.characterWidth;
|
|
}
|
|
}
|