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Diffstat (limited to 'cfb/cfbimage.c')
| -rw-r--r-- | cfb/cfbimage.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/cfb/cfbimage.c b/cfb/cfbimage.c new file mode 100644 index 000000000..af0fcc11d --- /dev/null +++ b/cfb/cfbimage.c @@ -0,0 +1,200 @@ +/*********************************************************** + +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. + +******************************************************************/ +/* $Xorg: cfbimage.c,v 1.4 2001/02/09 02:04:38 xorgcvs Exp $ */ + +#include "X.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "scrnintstr.h" +#include "gcstruct.h" +#include "cfb.h" +#include "cfbmskbits.h" +#include "servermd.h" + +#ifdef LOWMEMFTPT +#include "mi.h" +#endif /* ifdef LOWMEMFTPT */ + +void +cfbPutImage(pDraw, pGC, depth, x, y, w, h, leftPad, format, pImage) + DrawablePtr pDraw; + GCPtr pGC; + int depth, x, y, w, h; + int leftPad; + int format; + char *pImage; +{ + int bitsPerPixel; + PixmapPtr pPixmap; + + if ((w == 0) || (h == 0)) + return; + + if (format != XYPixmap) + { + pPixmap = GetScratchPixmapHeader(pDraw->pScreen, w+leftPad, h, depth, + BitsPerPixel(depth), PixmapBytePad(w+leftPad, depth), + (pointer)pImage); + if (!pPixmap) + return; + + cfbGetGCPrivate(pGC)->fExpose = FALSE; + if (format == ZPixmap) + (void)(*pGC->ops->CopyArea)((DrawablePtr)pPixmap, pDraw, pGC, + leftPad, 0, w, h, x, y); + else + (void)(*pGC->ops->CopyPlane)((DrawablePtr)pPixmap, pDraw, pGC, + leftPad, 0, w, h, x, y, 1); + cfbGetGCPrivate(pGC)->fExpose = TRUE; + FreeScratchPixmapHeader(pPixmap); + } + else + { + unsigned long oldFg, oldBg; + XID gcv[3]; + unsigned long oldPlanemask; + unsigned long i; + long bytesPer; + + depth = pGC->depth; + oldPlanemask = pGC->planemask; + oldFg = pGC->fgPixel; + oldBg = pGC->bgPixel; + gcv[0] = ~0L; + gcv[1] = 0; + DoChangeGC(pGC, GCForeground | GCBackground, gcv, 0); + bytesPer = (long)h * BitmapBytePad(w + leftPad); + + for (i = 1 << (depth-1); i != 0; i >>= 1, pImage += bytesPer) + { + if (i & oldPlanemask) + { + gcv[0] = i; + DoChangeGC(pGC, GCPlaneMask, gcv, 0); + ValidateGC(pDraw, pGC); + (*pGC->ops->PutImage)(pDraw, pGC, 1, x, y, w, h, leftPad, + XYBitmap, pImage); + } + } + gcv[0] = oldPlanemask; + gcv[1] = oldFg; + gcv[2] = oldBg; + DoChangeGC(pGC, GCPlaneMask | GCForeground | GCBackground, gcv, 0); + } +} + +void +cfbGetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine) + DrawablePtr pDrawable; + int sx, sy, w, h; + unsigned int format; + unsigned long planeMask; + char *pdstLine; +{ + BoxRec box; + DDXPointRec ptSrc; + RegionRec rgnDst; + ScreenPtr pScreen; + PixmapPtr pPixmap; + + if ((w == 0) || (h == 0)) + return; + if (pDrawable->bitsPerPixel == 1) + { +#ifndef LOWMEMFTPT + mfbGetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine); +#else + miGetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine); +#endif /* ifndef LOWMEMFTPT */ + return; + } + pScreen = pDrawable->pScreen; + if (format == ZPixmap) + { + pPixmap = GetScratchPixmapHeader(pScreen, w, h, + pDrawable->depth, pDrawable->bitsPerPixel, + PixmapBytePad(w,pDrawable->depth), (pointer)pdstLine); + if (!pPixmap) + return; + if ((planeMask & PMSK) != PMSK) + bzero((char *)pdstLine, pPixmap->devKind * h); + ptSrc.x = sx + pDrawable->x; + ptSrc.y = sy + pDrawable->y; + box.x1 = 0; + box.y1 = 0; + box.x2 = w; + box.y2 = h; + REGION_INIT(pScreen, &rgnDst, &box, 1); + cfbDoBitblt(pDrawable, (DrawablePtr)pPixmap, GXcopy, &rgnDst, + &ptSrc, planeMask); + REGION_UNINIT(pScreen, &rgnDst); + FreeScratchPixmapHeader(pPixmap); + } + else + { +#if PSZ == 8 + pPixmap = GetScratchPixmapHeader(pScreen, w, h, /*depth*/ 1, + /*bpp*/ 1, BitmapBytePad(w), (pointer)pdstLine); + if (!pPixmap) + return; + + ptSrc.x = sx + pDrawable->x; + ptSrc.y = sy + pDrawable->y; + box.x1 = 0; + box.y1 = 0; + box.x2 = w; + box.y2 = h; + REGION_INIT(pScreen, &rgnDst, &box, 1); + cfbCopyImagePlane (pDrawable, (DrawablePtr)pPixmap, GXcopy, &rgnDst, + &ptSrc, planeMask); + REGION_UNINIT(pScreen, &rgnDst); + FreeScratchPixmapHeader(pPixmap); +#else + miGetImage (pDrawable, sx, sy, w, h, format, planeMask, pdstLine); +#endif + } +} |