209 lines
6.2 KiB
C
209 lines
6.2 KiB
C
/* $XFree86: xc/programs/Xserver/cfb/cfbimage.c,v 1.12 2001/10/28 03:33:01 tsi Exp $ */
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/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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/* $Xorg: cfbimage.c,v 1.4 2001/02/09 02:04:38 xorgcvs Exp $ */
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <string.h>
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#include <X11/X.h>
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#include "windowstr.h"
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#include "pixmapstr.h"
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#include "scrnintstr.h"
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#include "gcstruct.h"
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#include "cfb.h"
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#include "cfbmskbits.h"
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#include "servermd.h"
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#include "mi.h"
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void
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cfbPutImage(pDraw, pGC, depth, x, y, w, h, leftPad, format, pImage)
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DrawablePtr pDraw;
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GCPtr pGC;
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int depth, x, y, w, h;
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int leftPad;
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int format;
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char *pImage;
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{
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PixmapPtr pPixmap;
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if ((w == 0) || (h == 0))
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return;
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if (format != XYPixmap)
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{
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pPixmap = GetScratchPixmapHeader(pDraw->pScreen, w+leftPad, h, depth,
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BitsPerPixel(depth), PixmapBytePad(w+leftPad, depth),
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(pointer)pImage);
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if (!pPixmap)
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return;
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pGC->fExpose = FALSE;
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if (format == ZPixmap)
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(void)(*pGC->ops->CopyArea)((DrawablePtr)pPixmap, pDraw, pGC,
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leftPad, 0, w, h, x, y);
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else
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(void)(*pGC->ops->CopyPlane)((DrawablePtr)pPixmap, pDraw, pGC,
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leftPad, 0, w, h, x, y, 1);
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pGC->fExpose = TRUE;
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FreeScratchPixmapHeader(pPixmap);
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}
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else
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{
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CfbBits oldFg, oldBg;
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XID gcv[3];
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CfbBits oldPlanemask;
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unsigned long i;
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long bytesPer;
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depth = pGC->depth;
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oldPlanemask = pGC->planemask;
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oldFg = pGC->fgPixel;
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oldBg = pGC->bgPixel;
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gcv[0] = ~0L;
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gcv[1] = 0;
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DoChangeGC(pGC, GCForeground | GCBackground, gcv, 0);
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bytesPer = (long)h * BitmapBytePad(w + leftPad);
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for (i = 1 << (depth-1); i != 0; i >>= 1, pImage += bytesPer)
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{
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if (i & oldPlanemask)
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{
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gcv[0] = i;
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DoChangeGC(pGC, GCPlaneMask, gcv, 0);
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ValidateGC(pDraw, pGC);
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(*pGC->ops->PutImage)(pDraw, pGC, 1, x, y, w, h, leftPad,
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XYBitmap, pImage);
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}
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}
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gcv[0] = oldPlanemask;
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gcv[1] = oldFg;
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gcv[2] = oldBg;
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DoChangeGC(pGC, GCPlaneMask | GCForeground | GCBackground, gcv, 0);
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ValidateGC(pDraw, pGC);
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}
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}
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void
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cfbGetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine)
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DrawablePtr pDrawable;
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int sx, sy, w, h;
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unsigned int format;
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unsigned long planeMask;
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char *pdstLine;
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{
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BoxRec box;
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DDXPointRec ptSrc;
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RegionRec rgnDst;
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ScreenPtr pScreen;
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PixmapPtr pPixmap;
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if ((w == 0) || (h == 0))
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return;
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if (pDrawable->bitsPerPixel == 1)
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{
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mfbGetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine);
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return;
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}
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pScreen = pDrawable->pScreen;
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/*
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* XFree86 DDX empties the root borderClip when the VT is
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* switched away; this checks for that case
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*/
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if (!cfbDrawableEnabled (pDrawable))
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return;
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if (format == ZPixmap)
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{
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pPixmap = GetScratchPixmapHeader(pScreen, w, h,
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pDrawable->depth, pDrawable->bitsPerPixel,
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PixmapBytePad(w,pDrawable->depth), (pointer)pdstLine);
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if (!pPixmap)
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return;
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if ((planeMask & PMSK) != PMSK)
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bzero((char *)pdstLine, pPixmap->devKind * h);
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ptSrc.x = sx + pDrawable->x;
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ptSrc.y = sy + pDrawable->y;
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box.x1 = 0;
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box.y1 = 0;
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box.x2 = w;
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box.y2 = h;
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REGION_INIT(pScreen, &rgnDst, &box, 1);
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cfbDoBitblt(pDrawable, (DrawablePtr)pPixmap, GXcopy, &rgnDst,
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&ptSrc, planeMask);
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REGION_UNINIT(pScreen, &rgnDst);
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FreeScratchPixmapHeader(pPixmap);
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}
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else
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{
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#if IMAGE_BYTE_ORDER == LSBFirst
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pPixmap = GetScratchPixmapHeader(pScreen, w, h, /*depth*/ 1,
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/*bpp*/ 1, BitmapBytePad(w), (pointer)pdstLine);
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if (!pPixmap)
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return;
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ptSrc.x = sx + pDrawable->x;
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ptSrc.y = sy + pDrawable->y;
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box.x1 = 0;
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box.y1 = 0;
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box.x2 = w;
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box.y2 = h;
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REGION_INIT(pScreen, &rgnDst, &box, 1);
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cfbCopyImagePlane (pDrawable, (DrawablePtr)pPixmap, GXcopy, &rgnDst,
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&ptSrc, planeMask);
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REGION_UNINIT(pScreen, &rgnDst);
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FreeScratchPixmapHeader(pPixmap);
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#else
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miGetImage (pDrawable, sx, sy, w, h, format, planeMask, pdstLine);
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#endif
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}
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}
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