diff options
Diffstat (limited to 'xorg-server/cfb/cfbigblt8.c')
-rw-r--r-- | xorg-server/cfb/cfbigblt8.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/xorg-server/cfb/cfbigblt8.c b/xorg-server/cfb/cfbigblt8.c new file mode 100644 index 000000000..1f1ce6f37 --- /dev/null +++ b/xorg-server/cfb/cfbigblt8.c @@ -0,0 +1,106 @@ +/* + * +Copyright 1990, 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. + * + * Author: Keith Packard, MIT X Consortium + */ + + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xmd.h> +#include <X11/Xproto.h> +#include "mi.h" +#include "cfb.h" +#include <X11/fonts/fontstruct.h> +#include "dixfontstr.h" +#include "gcstruct.h" +#include "windowstr.h" +#include "scrnintstr.h" +#include "pixmapstr.h" +#include "regionstr.h" +#include "cfbmskbits.h" +#include "cfb8bit.h" + +void +cfbImageGlyphBlt8 (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase) + DrawablePtr pDrawable; + GCPtr pGC; + int x, y; + unsigned int nglyph; + CharInfoPtr *ppci; + pointer pglyphBase; +{ + ExtentInfoRec info; /* used by QueryGlyphExtents() */ + xRectangle backrect; + int fgPixel; + cfbPrivGC *priv; + + /* + * We can't avoid GC validations if calling mi functions. + */ + if ((pGC->ops->PolyFillRect == miPolyFillRect) || + (pGC->ops->PolyGlyphBlt == miPolyGlyphBlt)) + { + miImageGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); + return; + } + + 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); + + priv = cfbGetGCPrivate(pGC); + + /* this code cheats by knowing that ValidateGC isn't + * necessary for PolyFillRect + */ + + fgPixel = pGC->fgPixel; + + pGC->fgPixel = pGC->bgPixel; + priv->xor = PFILL(pGC->bgPixel); + + (*pGC->ops->PolyFillRect) (pDrawable, pGC, 1, &backrect); + + pGC->fgPixel = fgPixel; + + priv->xor = PFILL(pGC->fgPixel); + + (*pGC->ops->PolyGlyphBlt) (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); + +} |