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Initial revision
This commit is contained in:
Kaleb Keithley
parent
ded6147bfb
commit
9508a382f8
982 changed files with 479777 additions and 0 deletions
853
ilbm/ilbmtile.c
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853
ilbm/ilbmtile.c
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/* $XFree86: xc/programs/Xserver/ilbm/ilbmtile.c,v 3.0 1996/08/18 01:54:12 dawes Exp $ */
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/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
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/***********************************************************
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Copyright (c) 1987 X Consortium
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
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||||
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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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X CONSORTIUM 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 X Consortium 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 X Consortium.
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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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/* $XConsortium: ilbmtile.c,v 5.8 94/04/17 20:28:36 dpw Exp $ */
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/* Modified jun 95 by Geert Uytterhoeven (Geert.Uytterhoeven@cs.kuleuven.ac.be)
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to use interleaved bitplanes instead of normal bitplanes */
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#include "X.h"
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#include "windowstr.h"
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#include "regionstr.h"
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#include "pixmapstr.h"
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#include "scrnintstr.h"
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#include "ilbm.h"
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#include "maskbits.h"
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#include "mergerop.h"
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/*
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the boxes are already translated.
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NOTE:
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iy = ++iy < tileHeight ? iy : 0
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is equivalent to iy%= tileheight, and saves a division.
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*/
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/*
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tile area with a PPW bit wide pixmap
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*/
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void
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MROP_NAME(ilbmTileAreaPPW)(pDraw, nbox, pbox, alu, ptile, planemask)
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DrawablePtr pDraw;
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int nbox;
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BoxPtr pbox;
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int alu;
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PixmapPtr ptile;
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unsigned long planemask;
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{
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register PixelType *psrc;
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/* pointer to bits in tile, if needed */
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int tileHeight; /* height of the tile */
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register PixelType srcpix;
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int nlwidth; /* width in longwords of the drawable */
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int w; /* width of current box */
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MROP_DECLARE_REG ()
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register int h; /* height of current box */
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register int nlw; /* loop version of nlwMiddle */
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register PixelType *p; /* pointer to bits we're writing */
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int auxDst;
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int depthDst;
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int tlwidth;
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register int d;
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PixelType startmask;
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PixelType endmask; /* masks for reggedy bits at either end of line */
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int nlwMiddle; /* number of longwords between sides of boxes */
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int nlwExtra; /* to get from right of box to left of next span */
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register int iy; /* index of current scanline in tile */
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PixelType *pbits; /* pointer to start of drawable */
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PixelType *saveP;
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PixelType *pSaveSrc;
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int saveH;
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int saveIY;
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ilbmGetPixelWidthAuxDepthAndPointer(pDraw, nlwidth, auxDst, depthDst,
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pbits);
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MROP_INITIALIZE(alu,~0)
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tileHeight = ptile->drawable.height;
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tlwidth = ptile->devKind/sizeof(PixelType);
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pSaveSrc = (PixelType *)(ptile->devPrivate.ptr);
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while (nbox--) {
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w = pbox->x2 - pbox->x1;
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saveH = pbox->y2 - pbox->y1;
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saveIY = pbox->y1 % tileHeight;
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saveP = ilbmScanline(pbits, pbox->x1, pbox->y1, auxDst);
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psrc = pSaveSrc;
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if (((pbox->x1 & PIM) + w) < PPW) {
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maskpartialbits(pbox->x1, w, startmask);
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nlwExtra = auxDst;
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for (d = 0; d < depthDst; d++, saveP += nlwidth, psrc += tileHeight) { /* @@@ NEXT PLANE @@@ */
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if (!(planemask & (1 << d)))
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continue;
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p = saveP;
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h = saveH;
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iy = saveIY;
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while (h--) {
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srcpix = psrc[iy];
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iy++;
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if (iy == tileHeight)
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iy = 0;
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*p = MROP_MASK(srcpix,*p,startmask);
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ilbmScanlineInc(p, nlwExtra);
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}
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}
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} else {
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maskbits(pbox->x1, w, startmask, endmask, nlwMiddle);
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for (d = 0; d < depthDst; d++, saveP += nlwidth, psrc += tileHeight) { /* @@@ NEXT PLANE @@@ */
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if (!(planemask & (1 << d)))
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continue;
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p = saveP;
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h = saveH;
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iy = saveIY;
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nlwExtra = auxDst - nlwMiddle;
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if (startmask && endmask) {
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nlwExtra -= 1;
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while (h--) {
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srcpix = psrc[iy];
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iy++;
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if (iy == tileHeight)
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iy = 0;
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nlw = nlwMiddle;
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*p = MROP_MASK (srcpix,*p,startmask);
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p++;
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while (nlw--) {
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*p = MROP_SOLID(srcpix,*p);
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p++;
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}
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*p = MROP_MASK(srcpix,*p,endmask);
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ilbmScanlineInc(p, nlwExtra);
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}
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} else if (startmask && !endmask) {
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nlwExtra -= 1;
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while (h--) {
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srcpix = psrc[iy];
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iy++;
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if (iy == tileHeight)
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iy = 0;
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nlw = nlwMiddle;
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*p = MROP_MASK(srcpix,*p,startmask);
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p++;
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while (nlw--) {
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*p = MROP_SOLID(srcpix,*p);
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p++;
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}
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ilbmScanlineInc(p, nlwExtra);
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}
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} else if (!startmask && endmask) {
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while (h--) {
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srcpix = psrc[iy];
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iy++;
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if (iy == tileHeight)
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iy = 0;
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nlw = nlwMiddle;
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while (nlw--) {
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*p = MROP_SOLID(srcpix,*p);
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p++;
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}
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*p = MROP_MASK(srcpix,*p,endmask);
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ilbmScanlineInc(p, nlwExtra);
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}
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} else { /* no ragged bits at either end */
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while (h--) {
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srcpix = psrc[iy];
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iy++;
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if (iy == tileHeight)
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iy = 0;
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nlw = nlwMiddle;
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while (nlw--) {
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*p = MROP_SOLID (srcpix,*p);
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p++;
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}
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ilbmScanlineInc(p, nlwExtra);
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}
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}
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} /* for (d = ...) */
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}
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pbox++;
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}
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}
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void
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MROP_NAME(ilbmTileArea)(pDraw, nbox, pbox, alu, pTile, xOff, yOff, planemask)
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DrawablePtr pDraw;
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int nbox;
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BoxPtr pbox;
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int alu;
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PixmapPtr pTile;
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int xOff;
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int yOff;
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unsigned long planemask;
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{
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register PixelType *psrc;
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/* pointer to bits in tile, if needed */
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int nlwidth; /* width in longwords of the drawable */
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MROP_DECLARE_REG ()
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register int h; /* height of current box */
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register PixelType *pdst; /* pointer to bits we're writing */
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register PixelType tmpsrc, tmpdst;
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int auxDst;
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int depthDst;
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int sizeTile;
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int tileLine;
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int iline;
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int w, width, x, xSrc, ySrc, srcStartOver, nend;
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int tlwidth, rem, tileWidth, tileHeight, endinc;
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int saveW;
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PixelType *psrcT;
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int d;
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int nstart;
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PixelType startmask;
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PixelType endmask; /* masks for reggedy bits at either end of line */
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int nlMiddle; /* number of longwords between sides of boxes */
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int iy;
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PixelType *pBase; /* pointer to start of drawable */
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PixelType *saveP;
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PixelType *pStartDst;
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PixelType *pStartTile;
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int saveH;
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ilbmGetPixelWidthAuxDepthAndPointer(pDraw, nlwidth, auxDst, depthDst,
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pBase);
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MROP_INITIALIZE(alu,~0)
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tileHeight = pTile->drawable.height;
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tileWidth = pTile->drawable.width;
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tlwidth = pTile->devKind/sizeof(PixelType);
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sizeTile = tlwidth * tileHeight;
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xSrc = pDraw->x + ((xOff % tileWidth) - tileWidth);
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ySrc = pDraw->y + ((yOff % tileHeight) - tileHeight);
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while (nbox--) {
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saveW = pbox->x2 - pbox->x1;
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iline = (pbox->y1 - ySrc) % tileHeight;
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psrcT = (PixelType *) pTile->devPrivate.ptr;
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tileLine = iline * tlwidth;
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saveH = pbox->y2 - pbox->y1;
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saveP = ilbmScanline(pBase, pbox->x1, pbox->y1, auxDst);
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for (d = 0; d < depthDst; d++, psrcT += sizeTile, saveP += nlwidth) { /* @@@ NEXT PLANE @@@ */
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if (!(planemask & (1 << d)))
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continue;
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h = saveH;
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pStartDst = saveP;
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pStartTile = psrcT + tileLine;
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iy = iline;
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while (h--) {
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x = pbox->x1;
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width = saveW;
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pdst = pStartDst;
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while (width > 0) {
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psrc = pStartTile;
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w = min(tileWidth, width);
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if ((rem = (x - xSrc) % tileWidth) != 0) {
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/* if we're in the middle of the tile, get
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as many bits as will finish the span, or
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as many as will get to the left edge of the tile,
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or a longword worth, starting at the appropriate
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offset in the tile.
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*/
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w = min(min(tileWidth - rem, width), BITMAP_SCANLINE_PAD);
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endinc = rem / BITMAP_SCANLINE_PAD;
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getbits ((psrc+endinc), (rem&PIM), w, tmpsrc);
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#if (MROP) != Mcopy
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getbits (pdst, (x & PIM), w, tmpdst);
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tmpsrc = DoMergeRop (tmpsrc, tmpdst);
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#endif
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putbits (tmpsrc, (x & PIM), w, pdst);
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if ((x & PIM) + w >= PPW)
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pdst++;
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} else if (((x & PIM) + w) < PPW) {
|
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/* doing < PPW bits is easy, and worth special-casing */
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tmpsrc = *psrc;
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#if (MROP) != Mcopy
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getbits (pdst, (x & PIM), w, tmpdst);
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tmpsrc = DoMergeRop (tmpsrc, tmpdst);
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#endif
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putbits (tmpsrc, (x & PIM), w, pdst);
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} else {
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/* start at the left edge of the tile,
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and put down as much as we can
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*/
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maskbits(x, w, startmask, endmask, nlMiddle);
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|
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if (startmask)
|
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nstart = PPW - (x & PIM);
|
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else
|
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nstart = 0;
|
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if (endmask)
|
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nend = (x + w) & PIM;
|
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else
|
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nend = 0;
|
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|
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srcStartOver = nstart > PLST;
|
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|
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if (startmask) {
|
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tmpsrc = *psrc;
|
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#if (MROP) != Mcopy
|
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getbits (pdst, (x & PIM), nstart, tmpdst);
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tmpsrc = DoMergeRop (tmpsrc, tmpdst);
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#endif
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putbits (tmpsrc, (x & PIM), nstart, pdst);
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pdst++;
|
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if (srcStartOver)
|
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psrc++;
|
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}
|
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|
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while (nlMiddle--) {
|
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getbits (psrc, nstart, PPW, tmpsrc);
|
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#if (MROP) != Mcopy
|
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tmpdst = *pdst;
|
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tmpsrc = DoMergeRop (tmpsrc, tmpdst);
|
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#endif
|
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*pdst++ = tmpsrc;
|
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/*putbits (tmpsrc, 0, PPW, pdst);
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pdst++;*/
|
||||
psrc++;
|
||||
}
|
||||
|
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if (endmask) {
|
||||
getbits (psrc, nstart, nend, tmpsrc);
|
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#if (MROP) != Mcopy
|
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tmpdst = *pdst;
|
||||
tmpsrc = DoMergeRop (tmpsrc, tmpdst);
|
||||
#endif
|
||||
putbits (tmpsrc, 0, nend, pdst);
|
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}
|
||||
}
|
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x += w;
|
||||
width -= w;
|
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} /* while (width > 0) */
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|
||||
pStartDst += auxDst;
|
||||
if (++iy >= tileHeight) {
|
||||
iy = 0;
|
||||
pStartTile = psrcT;
|
||||
} else
|
||||
pStartTile += tlwidth;
|
||||
|
||||
} /* while (h) */
|
||||
} /* for (d = ... ) */
|
||||
pbox++;
|
||||
} /* for each box */
|
||||
}
|
||||
|
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void
|
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MROP_NAME(ilbmOpaqueStippleAreaPPW)(pDraw, nbox, pbox, alu, ptile,
|
||||
rropsOS, planemask)
|
||||
DrawablePtr pDraw;
|
||||
int nbox;
|
||||
BoxPtr pbox;
|
||||
int alu;
|
||||
PixmapPtr ptile;
|
||||
register unsigned char *rropsOS;
|
||||
unsigned long planemask;
|
||||
{
|
||||
register PixelType *psrc;
|
||||
/* pointer to bits in tile, if needed */
|
||||
int tileHeight; /* height of the tile */
|
||||
register PixelType srcpix;
|
||||
int nlwidth; /* width in longwords of the drawable */
|
||||
int w; /* width of current box */
|
||||
MROP_DECLARE_REG ()
|
||||
register int h; /* height of current box */
|
||||
register int nlw; /* loop version of nlwMiddle */
|
||||
register PixelType *p; /* pointer to bits we're writing */
|
||||
int auxDst;
|
||||
int depthDst;
|
||||
register int d;
|
||||
PixelType startmask;
|
||||
PixelType endmask; /* masks for reggedy bits at either end of line */
|
||||
int nlwMiddle; /* number of longwords between sides of boxes */
|
||||
int nlwExtra; /* to get from right of box to left of next span */
|
||||
register int iy; /* index of current scanline in tile */
|
||||
PixelType *pbits; /* pointer to start of drawable */
|
||||
PixelType *saveP;
|
||||
int saveH;
|
||||
int saveIY;
|
||||
|
||||
ilbmGetPixelWidthAuxDepthAndPointer(pDraw, nlwidth, auxDst, depthDst,
|
||||
pbits);
|
||||
|
||||
MROP_INITIALIZE(alu,~0)
|
||||
|
||||
tileHeight = ptile->drawable.height;
|
||||
psrc = (PixelType *)(ptile->devPrivate.ptr);
|
||||
|
||||
while (nbox--) {
|
||||
w = pbox->x2 - pbox->x1;
|
||||
saveH = pbox->y2 - pbox->y1;
|
||||
saveIY = pbox->y1 % tileHeight;
|
||||
saveP = ilbmScanline(pbits, pbox->x1, pbox->y1, auxDst);
|
||||
|
||||
if ( ((pbox->x1 & PIM) + w) < PPW) {
|
||||
maskpartialbits(pbox->x1, w, startmask);
|
||||
nlwExtra = auxDst;
|
||||
for (d = 0; d < depthDst; d++, saveP += nlwidth) { /* @@@ NEXT PLANE @@@ */
|
||||
if (!(planemask & (1 << d)))
|
||||
continue;
|
||||
|
||||
p = saveP;
|
||||
h = saveH;
|
||||
iy = saveIY;
|
||||
|
||||
while (h--) {
|
||||
switch (rropsOS[d]) {
|
||||
case RROP_BLACK:
|
||||
srcpix = 0;
|
||||
break;
|
||||
case RROP_WHITE:
|
||||
srcpix = ~0;
|
||||
break;
|
||||
case RROP_COPY:
|
||||
srcpix = psrc[iy];
|
||||
break;
|
||||
case RROP_INVERT:
|
||||
srcpix = ~psrc[iy];
|
||||
break;
|
||||
}
|
||||
iy++;
|
||||
if (iy == tileHeight)
|
||||
iy = 0;
|
||||
*p = MROP_MASK(srcpix,*p,startmask);
|
||||
ilbmScanlineInc(p, nlwExtra);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
maskbits(pbox->x1, w, startmask, endmask, nlwMiddle);
|
||||
|
||||
for (d = 0; d < depthDst; d++, saveP += nlwidth) { /* @@@ NEXT PLANE @@@ */
|
||||
if (!(planemask & (1 << d)))
|
||||
continue;
|
||||
|
||||
p = saveP;
|
||||
h = saveH;
|
||||
iy = saveIY;
|
||||
nlwExtra = auxDst - nlwMiddle;
|
||||
|
||||
if (startmask && endmask) {
|
||||
nlwExtra -= 1;
|
||||
while (h--) {
|
||||
switch (rropsOS[d]) {
|
||||
case RROP_BLACK:
|
||||
srcpix = 0;
|
||||
break;
|
||||
case RROP_WHITE:
|
||||
srcpix = ~0;
|
||||
break;
|
||||
case RROP_COPY:
|
||||
srcpix = psrc[iy];
|
||||
break;
|
||||
case RROP_INVERT:
|
||||
srcpix = ~psrc[iy];
|
||||
break;
|
||||
}
|
||||
iy++;
|
||||
if (iy == tileHeight)
|
||||
iy = 0;
|
||||
nlw = nlwMiddle;
|
||||
*p = MROP_MASK (srcpix,*p,startmask);
|
||||
p++;
|
||||
while (nlw--) {
|
||||
*p = MROP_SOLID(srcpix,*p);
|
||||
p++;
|
||||
}
|
||||
|
||||
*p = MROP_MASK(srcpix,*p,endmask);
|
||||
ilbmScanlineInc(p, nlwExtra);
|
||||
}
|
||||
} else if (startmask && !endmask) {
|
||||
nlwExtra -= 1;
|
||||
while (h--) {
|
||||
switch (rropsOS[d]) {
|
||||
case RROP_BLACK:
|
||||
srcpix = 0;
|
||||
break;
|
||||
case RROP_WHITE:
|
||||
srcpix = ~0;
|
||||
break;
|
||||
case RROP_COPY:
|
||||
srcpix = psrc[iy];
|
||||
break;
|
||||
case RROP_INVERT:
|
||||
srcpix = ~psrc[iy];
|
||||
break;
|
||||
}
|
||||
iy++;
|
||||
if (iy == tileHeight)
|
||||
iy = 0;
|
||||
nlw = nlwMiddle;
|
||||
*p = MROP_MASK(srcpix,*p,startmask);
|
||||
p++;
|
||||
while (nlw--) {
|
||||
*p = MROP_SOLID(srcpix,*p);
|
||||
p++;
|
||||
}
|
||||
ilbmScanlineInc(p, nlwExtra);
|
||||
}
|
||||
} else if (!startmask && endmask) {
|
||||
while (h--) {
|
||||
switch (rropsOS[d]) {
|
||||
case RROP_BLACK:
|
||||
srcpix = 0;
|
||||
break;
|
||||
case RROP_WHITE:
|
||||
srcpix = ~0;
|
||||
break;
|
||||
case RROP_COPY:
|
||||
srcpix = psrc[iy];
|
||||
break;
|
||||
case RROP_INVERT:
|
||||
srcpix = ~psrc[iy];
|
||||
break;
|
||||
}
|
||||
iy++;
|
||||
if (iy == tileHeight)
|
||||
iy = 0;
|
||||
nlw = nlwMiddle;
|
||||
while (nlw--) {
|
||||
*p = MROP_SOLID(srcpix,*p);
|
||||
p++;
|
||||
}
|
||||
|
||||
*p = MROP_MASK(srcpix,*p,endmask);
|
||||
ilbmScanlineInc(p, nlwExtra);
|
||||
}
|
||||
} else { /* no ragged bits at either end */
|
||||
while (h--) {
|
||||
switch (rropsOS[d]) {
|
||||
case RROP_BLACK:
|
||||
srcpix = 0;
|
||||
break;
|
||||
case RROP_WHITE:
|
||||
srcpix = ~0;
|
||||
break;
|
||||
case RROP_COPY:
|
||||
srcpix = psrc[iy];
|
||||
break;
|
||||
case RROP_INVERT:
|
||||
srcpix = ~psrc[iy];
|
||||
break;
|
||||
}
|
||||
iy++;
|
||||
if (iy == tileHeight)
|
||||
iy = 0;
|
||||
nlw = nlwMiddle;
|
||||
while (nlw--) {
|
||||
*p = MROP_SOLID (srcpix,*p);
|
||||
p++;
|
||||
}
|
||||
ilbmScanlineInc(p, nlwExtra);
|
||||
}
|
||||
}
|
||||
} /* for (d = ...) */
|
||||
}
|
||||
pbox++;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
MROP_NAME(ilbmOpaqueStippleArea)(pDraw, nbox, pbox, alu, pTile, xOff, yOff,
|
||||
rropsOS, planemask)
|
||||
DrawablePtr pDraw;
|
||||
int nbox;
|
||||
BoxPtr pbox;
|
||||
int alu;
|
||||
PixmapPtr pTile;
|
||||
int xOff;
|
||||
int yOff;
|
||||
register unsigned char *rropsOS;
|
||||
unsigned long planemask;
|
||||
{
|
||||
register PixelType *psrc;
|
||||
/* pointer to bits in tile, if needed */
|
||||
int nlwidth; /* width in longwords of the drawable */
|
||||
MROP_DECLARE_REG ()
|
||||
register int h; /* height of current box */
|
||||
register PixelType *pdst; /* pointer to bits we're writing */
|
||||
register PixelType tmpsrc, tmpdst;
|
||||
int auxDst;
|
||||
int depthDst;
|
||||
int tileLine;
|
||||
int iline;
|
||||
int w, width, x, xSrc, ySrc, srcStartOver, nend;
|
||||
int tlwidth, rem, tileWidth, tileHeight, endinc;
|
||||
int saveW;
|
||||
PixelType *psrcT;
|
||||
int d;
|
||||
int nstart;
|
||||
PixelType startmask;
|
||||
PixelType endmask; /* masks for reggedy bits at either end of line */
|
||||
int nlMiddle; /* number of longwords between sides of boxes */
|
||||
int iy;
|
||||
PixelType *pBase; /* pointer to start of drawable */
|
||||
PixelType *saveP;
|
||||
PixelType *pStartDst;
|
||||
PixelType *pStartTile;
|
||||
int saveH;
|
||||
|
||||
ilbmGetPixelWidthAuxDepthAndPointer(pDraw, nlwidth, auxDst, depthDst,
|
||||
pBase);
|
||||
|
||||
MROP_INITIALIZE(alu,~0)
|
||||
|
||||
tileHeight = pTile->drawable.height;
|
||||
tileWidth = pTile->drawable.width;
|
||||
tlwidth = pTile->devKind/sizeof(PixelType);
|
||||
|
||||
xSrc = pDraw->x + ((xOff % tileWidth) - tileWidth);
|
||||
ySrc = pDraw->y + ((yOff % tileHeight) - tileHeight);
|
||||
|
||||
while (nbox--) {
|
||||
saveW = pbox->x2 - pbox->x1;
|
||||
iline = (pbox->y1 - ySrc) % tileHeight;
|
||||
psrcT = (PixelType *) pTile->devPrivate.ptr;
|
||||
tileLine = iline * tlwidth;
|
||||
saveH = pbox->y2 - pbox->y1;
|
||||
saveP = ilbmScanline(pBase, pbox->x1, pbox->y1, auxDst);
|
||||
|
||||
for (d = 0; d < depthDst; d++, saveP += nlwidth) { /* @@@ NEXT PLANE @@@ */
|
||||
if (!(planemask & (1 << d)))
|
||||
continue;
|
||||
|
||||
h = saveH;
|
||||
pStartDst = saveP;
|
||||
pStartTile = psrcT + tileLine;
|
||||
iy = iline;
|
||||
|
||||
while (h--) {
|
||||
x = pbox->x1;
|
||||
width = saveW;
|
||||
pdst = pStartDst;
|
||||
while (width > 0) {
|
||||
psrc = pStartTile;
|
||||
w = min(tileWidth, width);
|
||||
if ((rem = (x - xSrc) % tileWidth) != 0) {
|
||||
/* if we're in the middle of the tile, get
|
||||
as many bits as will finish the span, or
|
||||
as many as will get to the left edge of the tile,
|
||||
or a longword worth, starting at the appropriate
|
||||
offset in the tile.
|
||||
*/
|
||||
w = min(min(tileWidth - rem, width), BITMAP_SCANLINE_PAD);
|
||||
endinc = rem / BITMAP_SCANLINE_PAD;
|
||||
|
||||
switch (rropsOS[d]) {
|
||||
case RROP_BLACK:
|
||||
tmpsrc = 0;
|
||||
break;
|
||||
case RROP_WHITE:
|
||||
tmpsrc = ~0;
|
||||
break;
|
||||
|
||||
case RROP_COPY:
|
||||
getbits ((psrc+endinc), (rem&PIM), w, tmpsrc);
|
||||
break;
|
||||
|
||||
case RROP_INVERT:
|
||||
getbits ((psrc+endinc), (rem&PIM), w, tmpsrc);
|
||||
tmpsrc = ~tmpsrc;
|
||||
break;
|
||||
}
|
||||
#if (MROP) != Mcopy
|
||||
getbits (pdst, (x & PIM), w, tmpdst);
|
||||
tmpsrc = DoMergeRop (tmpsrc, tmpdst);
|
||||
#endif
|
||||
putbits (tmpsrc, (x & PIM), w, pdst);
|
||||
|
||||
if ((x & PIM) + w >= PPW)
|
||||
pdst++;
|
||||
} else if (((x & PIM) + w) < PPW) {
|
||||
/* doing < PPW bits is easy, and worth special-casing */
|
||||
switch (rropsOS[d]) {
|
||||
case RROP_BLACK:
|
||||
tmpsrc = 0;
|
||||
break;
|
||||
case RROP_WHITE:
|
||||
tmpsrc = ~0;
|
||||
break;
|
||||
case RROP_COPY:
|
||||
tmpsrc = *psrc;
|
||||
break;
|
||||
case RROP_INVERT:
|
||||
tmpsrc = ~*psrc;
|
||||
break;
|
||||
}
|
||||
#if (MROP) != Mcopy
|
||||
getbits (pdst, (x & PIM), w, tmpdst);
|
||||
tmpsrc = DoMergeRop (tmpsrc, tmpdst);
|
||||
#endif
|
||||
putbits (tmpsrc, (x & PIM), w, pdst);
|
||||
} else {
|
||||
/* start at the left edge of the tile,
|
||||
and put down as much as we can
|
||||
*/
|
||||
maskbits(x, w, startmask, endmask, nlMiddle);
|
||||
|
||||
if (startmask)
|
||||
nstart = PPW - (x & PIM);
|
||||
else
|
||||
nstart = 0;
|
||||
if (endmask)
|
||||
nend = (x + w) & PIM;
|
||||
else
|
||||
nend = 0;
|
||||
|
||||
srcStartOver = nstart > PLST;
|
||||
|
||||
if (startmask) {
|
||||
switch (rropsOS[d]) {
|
||||
case RROP_BLACK:
|
||||
tmpsrc = 0;
|
||||
break;
|
||||
case RROP_WHITE:
|
||||
tmpsrc = ~0;
|
||||
break;
|
||||
case RROP_COPY:
|
||||
tmpsrc = *psrc;
|
||||
break;
|
||||
case RROP_INVERT:
|
||||
tmpsrc = ~*psrc;
|
||||
break;
|
||||
}
|
||||
#if (MROP) != Mcopy
|
||||
getbits (pdst, (x & PIM), nstart, tmpdst);
|
||||
tmpsrc = DoMergeRop (tmpsrc, tmpdst);
|
||||
#endif
|
||||
putbits (tmpsrc, (x & PIM), nstart, pdst);
|
||||
pdst++;
|
||||
if (srcStartOver)
|
||||
psrc++;
|
||||
}
|
||||
|
||||
while (nlMiddle--) {
|
||||
switch (rropsOS[d]) {
|
||||
case RROP_BLACK:
|
||||
tmpsrc = 0;
|
||||
break;
|
||||
case RROP_WHITE:
|
||||
tmpsrc = ~0;
|
||||
break;
|
||||
case RROP_COPY:
|
||||
getbits (psrc, nstart, PPW, tmpsrc);
|
||||
break;
|
||||
case RROP_INVERT:
|
||||
getbits (psrc, nstart, PPW, tmpsrc);
|
||||
tmpsrc = ~tmpsrc;
|
||||
break;
|
||||
}
|
||||
#if (MROP) != Mcopy
|
||||
tmpdst = *pdst;
|
||||
tmpsrc = DoMergeRop (tmpsrc, tmpdst);
|
||||
#endif
|
||||
*pdst++ = tmpsrc;
|
||||
/*putbits (tmpsrc, 0, PPW, pdst);
|
||||
pdst++; */
|
||||
psrc++;
|
||||
}
|
||||
|
||||
if (endmask) {
|
||||
switch (rropsOS[d]) {
|
||||
case RROP_BLACK:
|
||||
tmpsrc = 0;
|
||||
break;
|
||||
case RROP_WHITE:
|
||||
tmpsrc = ~0;
|
||||
break;
|
||||
|
||||
case RROP_COPY:
|
||||
getbits (psrc, nstart, nend, tmpsrc);
|
||||
break;
|
||||
|
||||
case RROP_INVERT:
|
||||
getbits (psrc, nstart, nend, tmpsrc);
|
||||
tmpsrc = ~tmpsrc;
|
||||
break;
|
||||
}
|
||||
#if (MROP) != Mcopy
|
||||
tmpdst = *pdst;
|
||||
tmpsrc = DoMergeRop (tmpsrc, tmpdst);
|
||||
#endif
|
||||
putbits (tmpsrc, 0, nend, pdst);
|
||||
}
|
||||
}
|
||||
x += w;
|
||||
width -= w;
|
||||
} /* while (width > 0) */
|
||||
|
||||
pStartDst += auxDst;
|
||||
if (++iy >= tileHeight) {
|
||||
iy = 0;
|
||||
pStartTile = psrcT;
|
||||
} else
|
||||
pStartTile += tlwidth;
|
||||
|
||||
} /* while (h) */
|
||||
} /* for (d = ... ) */
|
||||
pbox++;
|
||||
} /* for each box */
|
||||
}
|
||||
Loading…
Reference in a new issue