diff options
Diffstat (limited to 'miext/rootless/accel/rlGlyph.c')
| -rw-r--r-- | miext/rootless/accel/rlGlyph.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/miext/rootless/accel/rlGlyph.c b/miext/rootless/accel/rlGlyph.c new file mode 100644 index 000000000..2bf2da64b --- /dev/null +++ b/miext/rootless/accel/rlGlyph.c @@ -0,0 +1,166 @@ +/* + * 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; + } +} |