656 lines
17 KiB
C
656 lines
17 KiB
C
/* 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
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furnished to do so, subject to the following conditions:
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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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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/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 "afb.h"
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#include "maskbits.h"
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/*
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the solid fillers are called for rectangles and window backgrounds.
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the boxes are already translated.
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maybe this should always take a pixmap instead of a drawable?
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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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/*ARGSUSED*/
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void
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afbSolidFillArea (pDraw, nbox, pbox, rrops)
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DrawablePtr pDraw;
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int nbox;
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BoxPtr pbox;
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register unsigned char *rrops;
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{
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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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register int h; /* height of current box */
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register PixelType *p; /* pointer to bits we're writing */
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register int nlw; /* loop version of nlwMiddle */
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register PixelType startmask;
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register PixelType endmask;
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/* masks for reggedy bits at either end of line */
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register int nlwExtra;
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/* to get from right of box to left of next span */
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int nlwMiddle; /* number of longwords between sides of boxes */
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PixelType *pbits; /* pointer to start of drawable */
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PixelType *saveP;
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int saveH;
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int depthDst;
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int sizeDst;
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register int d;
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afbGetPixelWidthSizeDepthAndPointer(pDraw, nlwidth, sizeDst, depthDst,
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pbits);
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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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saveP = afbScanline(pbits, pbox->x1, pbox->y1, nlwidth);
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if ( ((pbox->x1 & PIM) + w) < PPW) {
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for (d = 0; d < depthDst; d++) {
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h = saveH;
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p = saveP;
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saveP += sizeDst; /* @@@ NEXT PLANE @@@ */
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maskpartialbits(pbox->x1, w, startmask);
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nlwExtra = nlwidth;
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switch (rrops[d]) {
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case RROP_BLACK:
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Duff(h, *p &= ~startmask; afbScanlineInc(p, nlwExtra));
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break;
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case RROP_WHITE:
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Duff(h, *p |= startmask; afbScanlineInc(p, nlwExtra));
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break;
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case RROP_INVERT:
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Duff(h, *p ^= startmask; afbScanlineInc(p, nlwExtra));
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break;
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case RROP_NOP:
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break;
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} /* switch */
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} /* for (d = ..) */
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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++) {
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h = saveH;
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p = saveP;
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saveP += sizeDst; /* @@@ NEXT PLANE @@@ */
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nlwExtra = nlwidth - nlwMiddle;
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if (startmask && endmask) {
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nlwExtra -= 1;
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switch (rrops[d]) {
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case RROP_BLACK:
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while (h--) {
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nlw = nlwMiddle;
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*p &= ~startmask;
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p++;
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Duff(nlw, *p++ = 0);
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*p &= ~endmask;
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_WHITE:
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while (h--) {
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nlw = nlwMiddle;
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*p |= startmask;
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p++;
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Duff(nlw, *p++ = ~0);
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*p |= endmask;
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_INVERT:
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while (h--) {
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nlw = nlwMiddle;
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*p ^= startmask;
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p++;
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Duff(nlw, *p++ ^= ~0);
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*p ^= endmask;
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_NOP:
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break;
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}
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} else if (startmask && !endmask) {
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nlwExtra -= 1;
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switch (rrops[d]) {
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case RROP_BLACK:
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while (h--) {
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nlw = nlwMiddle;
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*p &= ~startmask;
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p++;
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Duff(nlw, *p++ = 0);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_WHITE:
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while (h--) {
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nlw = nlwMiddle;
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*p |= startmask;
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p++;
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Duff(nlw, *p++ = ~0);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_INVERT:
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while (h--) {
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nlw = nlwMiddle;
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*p ^= startmask;
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p++;
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Duff(nlw, *p++ ^= ~0);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_NOP:
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break;
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}
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} else if (!startmask && endmask) {
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switch (rrops[d]) {
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case RROP_BLACK:
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while (h--) {
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nlw = nlwMiddle;
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Duff(nlw, *p++ = 0);
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*p &= ~endmask;
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_WHITE:
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while (h--) {
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nlw = nlwMiddle;
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Duff(nlw, *p++ = ~0);
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*p |= endmask;
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_INVERT:
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while (h--) {
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nlw = nlwMiddle;
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Duff(nlw, *p++ ^= ~0);
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*p ^= endmask;
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afbScanlineInc(p, nlwExtra);
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}
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case RROP_NOP:
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break;
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}
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} else { /* no ragged bits at either end */
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switch (rrops[d]) {
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case RROP_BLACK:
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while (h--) {
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nlw = nlwMiddle;
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Duff(nlw, *p++ = 0);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_WHITE:
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while (h--) {
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nlw = nlwMiddle;
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Duff(nlw, *p++ = ~0);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_INVERT:
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while (h--) {
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nlw = nlwMiddle;
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Duff(nlw, *p++ ^= ~0);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_NOP:
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break;
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} /* switch */
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}
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} /* for (d = 0 ... ) */
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}
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pbox++;
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}
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}
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/* stipple a list of boxes -
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you can use the reduced rasterop for stipples. if rrop is
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black, AND the destination with (not stipple pattern). if rrop is
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white OR the destination with the stipple pattern. if rrop is invert,
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XOR the destination with the stipple pattern.
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*/
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/*ARGSUSED*/
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void
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afbStippleAreaPPW (pDraw, nbox, pbox, pstipple, rrops)
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DrawablePtr pDraw;
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int nbox;
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BoxPtr pbox;
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PixmapPtr pstipple;
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unsigned char *rrops;
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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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register int nlw; /* loop version of nlwMiddle */
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register PixelType *p; /* pointer to bits we're writing */
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register int h; /* height of current box */
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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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int sizeDst;
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int depthDst;
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int d;
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int saveIy;
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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 *pBase;
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afbGetPixelWidthSizeDepthAndPointer(pDraw, nlwidth, sizeDst, depthDst,
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pBase);
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tileHeight = pstipple->drawable.height;
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psrc = (PixelType *)(pstipple->devPrivate.ptr);
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while (nbox--) {
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w = pbox->x2 - pbox->x1;
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saveIy = pbox->y1 % tileHeight;
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pbits = pBase;
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if ( ((pbox->x1 & PIM) + w) < PPW) {
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maskpartialbits(pbox->x1, w, startmask);
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nlwExtra = nlwidth;
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for (d = 0; d < depthDst; d++) {
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p = afbScanline(pbits, pbox->x1, pbox->y1, nlwidth);
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pbits += sizeDst; /* @@@ NEXT PLANE @@@ */
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iy = saveIy;
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h = pbox->y2 - pbox->y1;
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switch (rrops[d]) {
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case RROP_BLACK:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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*p &= ~(srcpix & startmask);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_WHITE:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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*p |= (srcpix & startmask);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_INVERT:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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*p ^= (srcpix & startmask);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_NOP:
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break;
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} /* switch */
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} /* for (d = ...) */
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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++) {
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nlwExtra = nlwidth - nlwMiddle;
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p = afbScanline(pbits, pbox->x1, pbox->y1, nlwidth);
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pbits += sizeDst; /* @@@ NEXT PLANE @@@ */
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iy = saveIy;
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h = pbox->y2 - pbox->y1;
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if (startmask && endmask) {
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nlwExtra -= 1;
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switch (rrops[d]) {
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case RROP_BLACK:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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nlw = nlwMiddle;
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*p &= ~(srcpix & startmask);
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p++;
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Duff (nlw, *p++ &= ~srcpix);
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*p &= ~(srcpix & endmask);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_WHITE:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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nlw = nlwMiddle;
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*p |= (srcpix & startmask);
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p++;
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Duff (nlw, *p++ |= srcpix);
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*p |= (srcpix & endmask);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_INVERT:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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nlw = nlwMiddle;
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*p ^= (srcpix & startmask);
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p++;
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Duff (nlw, *p++ ^= srcpix);
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*p ^= (srcpix & endmask);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_NOP:
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break;
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} /* switch */
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} else if (startmask && !endmask) {
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nlwExtra -= 1;
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switch (rrops[d]) {
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case RROP_BLACK:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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nlw = nlwMiddle;
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*p &= ~(srcpix & startmask);
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p++;
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Duff(nlw, *p++ &= ~srcpix);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_WHITE:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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nlw = nlwMiddle;
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*p |= (srcpix & startmask);
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p++;
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Duff(nlw, *p++ |= srcpix);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_INVERT:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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nlw = nlwMiddle;
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*p ^= (srcpix & startmask);
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p++;
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Duff(nlw, *p++ ^= srcpix);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_NOP:
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break;
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} /* switch */
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} else if (!startmask && endmask) {
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switch (rrops[d]) {
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case RROP_BLACK:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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nlw = nlwMiddle;
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Duff(nlw, *p++ &= ~srcpix);
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*p &= ~(srcpix & endmask);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_WHITE:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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nlw = nlwMiddle;
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Duff(nlw, *p++ |= srcpix);
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*p |= (srcpix & endmask);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_INVERT:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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nlw = nlwMiddle;
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Duff(nlw, *p++ ^= srcpix);
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*p ^= (srcpix & endmask);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_NOP:
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break;
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} /* switch */
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} else { /* no ragged bits at either end */
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switch (rrops[d]) {
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case RROP_BLACK:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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nlw = nlwMiddle;
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Duff(nlw, *p++ &= ~srcpix);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_WHITE:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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nlw = nlwMiddle;
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Duff(nlw, *p++ |= srcpix);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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case RROP_INVERT:
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while (h--) {
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srcpix = psrc[iy];
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iy = ++iy < tileHeight ? iy : 0;
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nlw = nlwMiddle;
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Duff(nlw, *p++ ^= srcpix);
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afbScanlineInc(p, nlwExtra);
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}
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break;
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} /* switch */
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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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afbStippleArea (pDraw, nbox, pbox, pTile, xOff, yOff, rrops)
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DrawablePtr pDraw;
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int nbox;
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BoxPtr pbox;
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PixmapPtr pTile;
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int xOff;
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int yOff;
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unsigned char *rrops;
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{
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register PixelType *psrc; /* pointer to bits in tile, if needed */
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int nlwidth; /* width in longwords of the drawable */
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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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int sizeDst;
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int depthDst;
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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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register int rop;
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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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afbGetPixelWidthSizeDepthAndPointer(pDraw, nlwidth, sizeDst, depthDst,
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pBase);
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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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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 = afbScanline(pBase, pbox->x1, pbox->y1, nlwidth);
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for (d = 0; d < depthDst; d++, saveP += sizeDst) { /* @@@ NEXT PLANE @@@ */
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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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rop = rrops[d];
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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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getandputrrop((psrc + endinc), (rem & PIM), (x & PIM),
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w, pdst, rop)
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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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putbitsrrop(*psrc, x & PIM, w, pdst, rop);
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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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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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srcStartOver = nstart > PLST;
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if(startmask) {
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putbitsrrop(*psrc, (x & PIM), nstart, pdst, rop);
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pdst++;
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if(srcStartOver)
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psrc++;
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}
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while(nlMiddle--) {
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getandputrrop0(psrc, nstart, PPW, pdst, rop);
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pdst++;
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psrc++;
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}
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if(endmask) {
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getandputrrop0(psrc, nstart, nend, pdst, rop);
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}
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}
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x += w;
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width -= w;
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} /* while (width > 0) */
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pStartDst += nlwidth;
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if (++iy >= tileHeight) {
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iy = 0;
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pStartTile = psrcT;
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} else
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pStartTile += tlwidth;
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} /* while (h) */
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} /* for (d = ... ) */
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pbox++;
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} /* for each box */
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}
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