147 lines
4.8 KiB
C
147 lines
4.8 KiB
C
/* 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.
|
|
|
|
******************************************************************/
|
|
|
|
#ifdef HAVE_DIX_CONFIG_H
|
|
#include <dix-config.h>
|
|
#endif
|
|
|
|
#include <X11/X.h>
|
|
#include <X11/Xprotostr.h>
|
|
#include "pixmapstr.h"
|
|
#include "gcstruct.h"
|
|
#include "windowstr.h"
|
|
#include "regionstr.h"
|
|
#include "scrnintstr.h"
|
|
|
|
#include "afb.h"
|
|
#include "maskbits.h"
|
|
|
|
void
|
|
afbPolyPoint(pDrawable, pGC, mode, npt, pptInit)
|
|
register DrawablePtr pDrawable;
|
|
GCPtr pGC;
|
|
int mode; /* Origin or Previous */
|
|
int npt;
|
|
xPoint *pptInit;
|
|
{
|
|
|
|
register BoxPtr pbox;
|
|
register int nbox;
|
|
register int d;
|
|
|
|
register PixelType *addrl;
|
|
PixelType *pBase;
|
|
PixelType *pBaseSave;
|
|
int nlwidth;
|
|
int sizeDst;
|
|
int depthDst;
|
|
|
|
int nptTmp;
|
|
register xPoint *ppt;
|
|
|
|
register int x;
|
|
register int y;
|
|
register unsigned char *rrops;
|
|
afbPrivGC *pGCPriv;
|
|
|
|
pGCPriv = (afbPrivGC *) pGC->devPrivates[afbGCPrivateIndex].ptr;
|
|
|
|
afbGetPixelWidthSizeDepthAndPointer(pDrawable, nlwidth, sizeDst, depthDst,
|
|
pBaseSave);
|
|
|
|
rrops = pGCPriv->rrops;
|
|
if ((mode == CoordModePrevious) && (npt > 1))
|
|
for (ppt = pptInit + 1, nptTmp = npt - 1; --nptTmp >= 0; ppt++) {
|
|
ppt->x += (ppt-1)->x;
|
|
ppt->y += (ppt-1)->y;
|
|
}
|
|
|
|
nbox = REGION_NUM_RECTS(pGC->pCompositeClip);
|
|
pbox = REGION_RECTS(pGC->pCompositeClip);
|
|
for (; --nbox >= 0; pbox++)
|
|
for (d = 0, pBase = pBaseSave; d < depthDst; d++, pBase += sizeDst) { /* @@@ NEXT PLANE @@@ */
|
|
addrl = pBase;
|
|
|
|
switch (rrops[d]) {
|
|
case RROP_BLACK:
|
|
for (ppt = pptInit, nptTmp = npt; --nptTmp >= 0; ppt++) {
|
|
x = ppt->x + pDrawable->x;
|
|
y = ppt->y + pDrawable->y;
|
|
if ((x >= pbox->x1) && (x < pbox->x2) &&
|
|
(y >= pbox->y1) && (y < pbox->y2))
|
|
*afbScanline(addrl, x, y, nlwidth) &= mfbGetrmask(x & PIM);
|
|
}
|
|
break;
|
|
|
|
case RROP_WHITE:
|
|
for (ppt = pptInit, nptTmp = npt; --nptTmp >= 0; ppt++) {
|
|
x = ppt->x + pDrawable->x;
|
|
y = ppt->y + pDrawable->y;
|
|
if ((x >= pbox->x1) && (x < pbox->x2) &&
|
|
(y >= pbox->y1) && (y < pbox->y2))
|
|
*afbScanline(addrl, x, y, nlwidth) |= mfbGetmask(x & PIM);
|
|
}
|
|
break;
|
|
|
|
case RROP_INVERT:
|
|
for (ppt = pptInit, nptTmp = npt; --nptTmp >= 0; ppt++) {
|
|
x = ppt->x + pDrawable->x;
|
|
y = ppt->y + pDrawable->y;
|
|
if ((x >= pbox->x1) && (x < pbox->x2) &&
|
|
(y >= pbox->y1) && (y < pbox->y2))
|
|
*afbScanline(addrl, x, y, nlwidth) ^= mfbGetmask(x & PIM);
|
|
}
|
|
break;
|
|
|
|
case RROP_NOP:
|
|
break;
|
|
} /* switch */
|
|
} /* for (d = ...) */
|
|
}
|