+++ /dev/null
-/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
-/***********************************************************
-
-Copyright (c) 1987 X Consortium
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of the X Consortium shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from the X Consortium.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-******************************************************************/
-/* $XConsortium: mfbpntarea.c,v 5.7 94/04/17 20:28:29 dpw Exp $ */
-#include "X.h"
-
-#include "windowstr.h"
-#include "regionstr.h"
-#include "pixmapstr.h"
-#include "scrnintstr.h"
-
-#include "mfb.h"
-#include "maskbits.h"
-
-/*
- the solid fillers are called for rectangles and window backgrounds.
- the boxes are already translated.
- maybe this should always take a pixmap instead of a drawable?
-
- NOTE:
- iy = ++iy < tileHeight ? iy : 0
-is equivalent to iy%= tileheight, and saves a division.
-*/
-
-/*
- MFBSOLIDFILLAREA OPEQ EQWHOLEOWRD
- mfbSolidWhiteArea |= = ~0
- mfbSolidBlackArea &=~ = 0
- mfbSolidInvertArea ^= ^= ~0
-
-EQWHOLEWORD is used to write whole longwords. it could use OPEQ,
-but *p++ |= ~0 on at least two compilers generates much
-worse code than *p++ = ~0. similarly for *p++ &= ~~0
-and *p++ = 0.
-
-*/
-
-/*ARGSUSED*/
-void
-MFBSOLIDFILLAREA(pDraw, nbox, pbox, alu, nop)
- DrawablePtr pDraw;
- int nbox;
- BoxPtr pbox;
- int alu;
- PixmapPtr nop;
-{
- int nlwidth; /* width in longwords of the drawable */
- int w; /* width of current box */
- register int h; /* height of current box */
- register PixelType *p; /* pointer to bits we're writing */
- register int nlw; /* loop version of nlwMiddle */
- register PixelType startmask;
- register PixelType endmask;/* masks for reggedy bits at either end of line */
- register int nlwExtra;
- /* to get from right of box to left of next span */
- int nlwMiddle; /* number of longwords between sides of boxes */
- PixelType *pbits; /* pointer to start of drawable */
-
- mfbGetPixelWidthAndPointer(pDraw, nlwidth, pbits);
-
- while (nbox--)
- {
- w = pbox->x2 - pbox->x1;
- h = pbox->y2 - pbox->y1;
- p = mfbScanline(pbits, pbox->x1, pbox->y1, nlwidth);
-
- if ( ((pbox->x1 & PIM) + w) < PPW)
- {
- maskpartialbits(pbox->x1, w, startmask);
- nlwExtra = nlwidth;
- Duff(h, *p OPEQ startmask; mfbScanlineInc(p, nlwExtra));
- }
- else
- {
- maskbits(pbox->x1, w, startmask, endmask, nlwMiddle);
- nlwExtra = nlwidth - nlwMiddle;
-
- if (startmask && endmask)
- {
- nlwExtra -= 1;
- while (h--)
- {
- nlw = nlwMiddle;
- *p OPEQ startmask;
- p++;
- Duff(nlw, *p++ EQWHOLEWORD);
- *p OPEQ endmask;
- mfbScanlineInc(p, nlwExtra);
- }
- }
- else if (startmask && !endmask)
- {
- nlwExtra -= 1;
- while (h--)
- {
- nlw = nlwMiddle;
- *p OPEQ startmask;
- p++;
- Duff(nlw, *p++ EQWHOLEWORD);
- mfbScanlineInc(p, nlwExtra);
- }
- }
- else if (!startmask && endmask)
- {
- while (h--)
- {
- nlw = nlwMiddle;
- Duff(nlw, *p++ EQWHOLEWORD);
- *p OPEQ endmask;
- mfbScanlineInc(p, nlwExtra);
- }
- }
- else /* no ragged bits at either end */
- {
- while (h--)
- {
- nlw = nlwMiddle;
- Duff(nlw, *p++ EQWHOLEWORD);
- mfbScanlineInc(p, nlwExtra);
- }
- }
- }
- pbox++;
- }
-}
-
-
-
-/* stipple a list of boxes
-
-you can use the reduced rasterop for stipples. if rrop is
-black, AND the destination with (not stipple pattern). if rrop is
-white OR the destination with the stipple pattern. if rrop is invert,
-XOR the destination with the stipple pattern.
-
- MFBSTIPPLEFILLAREA OPEQ
- mfbStippleWhiteArea |=
- mfbStippleBlackArea &=~
- mfbStippleInveryArea ^=
-*/
-
-/*ARGSUSED*/
-void
-MFBSTIPPLEFILLAREA(pDraw, nbox, pbox, alu, pstipple)
- DrawablePtr pDraw;
- int nbox;
- BoxPtr pbox;
- int alu;
- PixmapPtr pstipple;
-{
- 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 */
- register int nlw; /* loop version of nlwMiddle */
- register PixelType *p; /* pointer to bits we're writing */
- register int h; /* height of current box */
- 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 */
-
- mfbGetPixelWidthAndPointer(pDraw, nlwidth, pbits);
-
- tileHeight = pstipple->drawable.height;
- psrc = (PixelType *)(pstipple->devPrivate.ptr);
-
- while (nbox--)
- {
- w = pbox->x2 - pbox->x1;
- h = pbox->y2 - pbox->y1;
- iy = pbox->y1 % tileHeight;
- p = mfbScanline(pbits, pbox->x1, pbox->y1, nlwidth);
-
- if ( ((pbox->x1 & PIM) + w) < PPW)
- {
- maskpartialbits(pbox->x1, w, startmask);
- nlwExtra = nlwidth;
- while (h--)
- {
- srcpix = psrc[iy];
- iy = ++iy < tileHeight ? iy : 0;
- *p OPEQ (srcpix & startmask);
- mfbScanlineInc(p, nlwExtra);
- }
- }
- else
- {
- maskbits(pbox->x1, w, startmask, endmask, nlwMiddle);
- nlwExtra = nlwidth - nlwMiddle;
-
- if (startmask && endmask)
- {
- nlwExtra -= 1;
- while (h--)
- {
- srcpix = psrc[iy];
- iy = ++iy < tileHeight ? iy : 0;
- nlw = nlwMiddle;
- *p OPEQ (srcpix & startmask);
- p++;
- Duff (nlw, *p++ OPEQ srcpix);
- *p OPEQ (srcpix & endmask);
- mfbScanlineInc(p, nlwExtra);
- }
- }
- else if (startmask && !endmask)
- {
- nlwExtra -= 1;
- while (h--)
- {
- srcpix = psrc[iy];
- iy = ++iy < tileHeight ? iy : 0;
- nlw = nlwMiddle;
- *p OPEQ (srcpix & startmask);
- p++;
- Duff(nlw, *p++ OPEQ srcpix);
- mfbScanlineInc(p, nlwExtra);
- }
- }
- else if (!startmask && endmask)
- {
- while (h--)
- {
- srcpix = psrc[iy];
- iy = ++iy < tileHeight ? iy : 0;
- nlw = nlwMiddle;
- Duff(nlw, *p++ OPEQ srcpix);
- *p OPEQ (srcpix & endmask);
- mfbScanlineInc(p, nlwExtra);
- }
- }
- else /* no ragged bits at either end */
- {
- while (h--)
- {
- srcpix = psrc[iy];
- iy = ++iy < tileHeight ? iy : 0;
- nlw = nlwMiddle;
- Duff(nlw, *p++ OPEQ srcpix);
- mfbScanlineInc(p, nlwExtra);
- }
- }
- }
- pbox++;
- }
-}
projects / rdpsrv / blobdiff