2004-03-14 09:34:49 +01:00
|
|
|
/* $XFree86: xc/programs/Xserver/ilbm/ilbmpntarea.c,v 3.0 1996/08/18 01:54:04 dawes Exp $ */
|
2003-11-14 17:48:57 +01:00
|
|
|
/* 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: ilbmpntarea.c,v 5.7 94/04/17 20:28:29 dpw Exp $ */
|
|
|
|
|
|
|
|
/* Modified jun 95 by Geert Uytterhoeven (Geert.Uytterhoeven@cs.kuleuven.ac.be)
|
|
|
|
to use interleaved bitplanes instead of normal bitplanes */
|
|
|
|
|
|
|
|
#include "X.h"
|
|
|
|
|
|
|
|
#include "windowstr.h"
|
|
|
|
#include "regionstr.h"
|
|
|
|
#include "pixmapstr.h"
|
|
|
|
#include "scrnintstr.h"
|
|
|
|
|
|
|
|
#include "ilbm.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.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*ARGSUSED*/
|
|
|
|
void
|
|
|
|
ilbmSolidFillArea(pDraw, nbox, pbox, rrops)
|
|
|
|
DrawablePtr pDraw;
|
|
|
|
int nbox;
|
|
|
|
BoxPtr pbox;
|
|
|
|
register unsigned char *rrops;
|
|
|
|
{
|
|
|
|
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 */
|
|
|
|
PixelType *saveP;
|
|
|
|
int saveH;
|
|
|
|
int depthDst;
|
|
|
|
int auxDst;
|
|
|
|
register int d;
|
|
|
|
|
|
|
|
ilbmGetPixelWidthAuxDepthAndPointer(pDraw, nlwidth, auxDst, depthDst, pbits);
|
|
|
|
|
|
|
|
while (nbox--) {
|
|
|
|
w = pbox->x2 - pbox->x1;
|
|
|
|
saveH = pbox->y2 - pbox->y1;
|
|
|
|
|
|
|
|
saveP = ilbmScanline(pbits, pbox->x1, pbox->y1, auxDst);
|
|
|
|
|
|
|
|
if ( ((pbox->x1 & PIM) + w) < PPW) {
|
|
|
|
for (d = 0; d < depthDst; d++) {
|
|
|
|
h = saveH;
|
|
|
|
p = saveP;
|
|
|
|
saveP += nlwidth; /* @@@ NEXT PLANE @@@ */
|
|
|
|
maskpartialbits(pbox->x1, w, startmask);
|
|
|
|
nlwExtra = auxDst;
|
|
|
|
|
|
|
|
switch (rrops[d]) {
|
|
|
|
case RROP_BLACK:
|
|
|
|
Duff(h, *p &= ~startmask; ilbmScanlineInc(p, nlwExtra));
|
|
|
|
break;
|
|
|
|
case RROP_WHITE:
|
|
|
|
Duff(h, *p |= startmask; ilbmScanlineInc(p, nlwExtra));
|
|
|
|
break;
|
|
|
|
case RROP_INVERT:
|
|
|
|
Duff(h, *p ^= startmask; ilbmScanlineInc(p, nlwExtra));
|
|
|
|
break;
|
|
|
|
case RROP_NOP:
|
|
|
|
break;
|
|
|
|
} /* switch */
|
|
|
|
} /* for (d = ..) */
|
|
|
|
} else {
|
|
|
|
maskbits(pbox->x1, w, startmask, endmask, nlwMiddle);
|
|
|
|
|
|
|
|
for (d = 0; d < depthDst; d++) {
|
|
|
|
h = saveH;
|
|
|
|
p = saveP;
|
|
|
|
saveP += nlwidth; /* @@@ NEXT PLANE @@@ */
|
|
|
|
nlwExtra = auxDst - nlwMiddle;
|
|
|
|
|
|
|
|
if (startmask && endmask) {
|
|
|
|
nlwExtra -= 1;
|
|
|
|
switch (rrops[d]) {
|
|
|
|
case RROP_BLACK:
|
|
|
|
while (h--) {
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
*p &= ~startmask;
|
|
|
|
p++;
|
|
|
|
Duff(nlw, *p++ = 0);
|
|
|
|
*p &= ~endmask;
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_WHITE:
|
|
|
|
while (h--) {
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
*p |= startmask;
|
|
|
|
p++;
|
|
|
|
Duff(nlw, *p++ = ~0);
|
|
|
|
*p |= endmask;
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_INVERT:
|
|
|
|
while (h--) {
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
*p ^= startmask;
|
|
|
|
p++;
|
|
|
|
Duff(nlw, *p++ ^= ~0);
|
|
|
|
*p ^= endmask;
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_NOP:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
} else if (startmask && !endmask) {
|
|
|
|
nlwExtra -= 1;
|
|
|
|
switch (rrops[d]) {
|
|
|
|
case RROP_BLACK:
|
|
|
|
while (h--) {
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
*p &= ~startmask;
|
|
|
|
p++;
|
|
|
|
Duff(nlw, *p++ = 0);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_WHITE:
|
|
|
|
while (h--) {
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
*p |= startmask;
|
|
|
|
p++;
|
|
|
|
Duff(nlw, *p++ = ~0);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_INVERT:
|
|
|
|
while (h--) {
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
*p ^= startmask;
|
|
|
|
p++;
|
|
|
|
Duff(nlw, *p++ ^= ~0);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_NOP:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
} else if (!startmask && endmask) {
|
|
|
|
switch (rrops[d]) {
|
|
|
|
case RROP_BLACK:
|
|
|
|
while (h--) {
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
Duff(nlw, *p++ = 0);
|
|
|
|
*p &= ~endmask;
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_WHITE:
|
|
|
|
while (h--) {
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
Duff(nlw, *p++ = ~0);
|
|
|
|
*p |= endmask;
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_INVERT:
|
|
|
|
while (h--) {
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
Duff(nlw, *p++ ^= ~0);
|
|
|
|
*p ^= endmask;
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
case RROP_NOP:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
} else { /* no ragged bits at either end */
|
|
|
|
switch (rrops[d]) {
|
|
|
|
case RROP_BLACK:
|
|
|
|
while (h--) {
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
Duff(nlw, *p++ = 0);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_WHITE:
|
|
|
|
while (h--) {
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
Duff(nlw, *p++ = ~0);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_INVERT:
|
|
|
|
while (h--) {
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
Duff(nlw, *p++ ^= ~0);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_NOP:
|
|
|
|
break;
|
|
|
|
} /* switch */
|
|
|
|
}
|
|
|
|
} /* for (d = 0 ... ) */
|
|
|
|
}
|
|
|
|
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.
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*ARGSUSED*/
|
|
|
|
void
|
|
|
|
ilbmStippleAreaPPW(pDraw, nbox, pbox, pstipple, rrops)
|
|
|
|
DrawablePtr pDraw;
|
|
|
|
int nbox;
|
|
|
|
BoxPtr pbox;
|
|
|
|
PixmapPtr pstipple;
|
|
|
|
unsigned char *rrops;
|
|
|
|
{
|
|
|
|
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 */
|
|
|
|
int auxDst;
|
|
|
|
int depthDst;
|
|
|
|
int d;
|
|
|
|
int saveIy;
|
|
|
|
register int iy; /* index of current scanline in tile */
|
|
|
|
PixelType *pbits; /* pointer to start of drawable */
|
|
|
|
PixelType *pBase;
|
|
|
|
|
|
|
|
ilbmGetPixelWidthAuxDepthAndPointer(pDraw, nlwidth, auxDst, depthDst, pBase);
|
|
|
|
|
|
|
|
tileHeight = pstipple->drawable.height;
|
|
|
|
psrc = (PixelType *)(pstipple->devPrivate.ptr);
|
|
|
|
|
|
|
|
while (nbox--) {
|
|
|
|
w = pbox->x2 - pbox->x1;
|
|
|
|
saveIy = pbox->y1 % tileHeight;
|
|
|
|
pbits = pBase;
|
|
|
|
|
|
|
|
if ( ((pbox->x1 & PIM) + w) < PPW) {
|
|
|
|
maskpartialbits(pbox->x1, w, startmask);
|
|
|
|
nlwExtra = auxDst;
|
|
|
|
for (d = 0; d < depthDst; d++) {
|
|
|
|
p = ilbmScanline(pbits, pbox->x1, pbox->y1, auxDst);
|
|
|
|
pbits += nlwidth; /* @@@ NEXT PLANE @@@ */
|
|
|
|
iy = saveIy;
|
|
|
|
h = pbox->y2 - pbox->y1;
|
|
|
|
|
|
|
|
switch (rrops[d]) {
|
|
|
|
case RROP_BLACK:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
*p &= ~(srcpix & startmask);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_WHITE:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
*p |= (srcpix & startmask);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_INVERT:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
*p ^= (srcpix & startmask);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_NOP:
|
|
|
|
break;
|
|
|
|
} /* switch */
|
|
|
|
} /* for (d = ...) */
|
|
|
|
|
|
|
|
} else {
|
|
|
|
maskbits(pbox->x1, w, startmask, endmask, nlwMiddle);
|
|
|
|
|
|
|
|
for (d = 0; d < depthDst; d++) {
|
|
|
|
nlwExtra = auxDst - nlwMiddle;
|
|
|
|
p = ilbmScanline(pbits, pbox->x1, pbox->y1, auxDst);
|
|
|
|
pbits += nlwidth; /* @@@ NEXT PLANE @@@ */
|
|
|
|
iy = saveIy;
|
|
|
|
h = pbox->y2 - pbox->y1;
|
|
|
|
|
|
|
|
if (startmask && endmask) {
|
|
|
|
nlwExtra -= 1;
|
|
|
|
switch (rrops[d]) {
|
|
|
|
case RROP_BLACK:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
*p &= ~(srcpix & startmask);
|
|
|
|
p++;
|
|
|
|
Duff (nlw, *p++ &= ~srcpix);
|
|
|
|
*p &= ~(srcpix & endmask);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_WHITE:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
*p |= (srcpix & startmask);
|
|
|
|
p++;
|
|
|
|
Duff (nlw, *p++ |= srcpix);
|
|
|
|
*p |= (srcpix & endmask);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_INVERT:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
*p ^= (srcpix & startmask);
|
|
|
|
p++;
|
|
|
|
Duff (nlw, *p++ ^= srcpix);
|
|
|
|
*p ^= (srcpix & endmask);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_NOP:
|
|
|
|
break;
|
|
|
|
} /* switch */
|
|
|
|
} else if (startmask && !endmask) {
|
|
|
|
nlwExtra -= 1;
|
|
|
|
switch (rrops[d]) {
|
|
|
|
case RROP_BLACK:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
*p &= ~(srcpix & startmask);
|
|
|
|
p++;
|
|
|
|
Duff(nlw, *p++ &= ~srcpix);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_WHITE:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
*p |= (srcpix & startmask);
|
|
|
|
p++;
|
|
|
|
Duff(nlw, *p++ |= srcpix);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_INVERT:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
*p ^= (srcpix & startmask);
|
|
|
|
p++;
|
|
|
|
Duff(nlw, *p++ ^= srcpix);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_NOP:
|
|
|
|
break;
|
|
|
|
} /* switch */
|
|
|
|
} else if (!startmask && endmask) {
|
|
|
|
switch (rrops[d]) {
|
|
|
|
case RROP_BLACK:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
Duff(nlw, *p++ &= ~srcpix);
|
|
|
|
*p &= ~(srcpix & endmask);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_WHITE:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
Duff(nlw, *p++ |= srcpix);
|
|
|
|
*p |= (srcpix & endmask);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_INVERT:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
Duff(nlw, *p++ ^= srcpix);
|
|
|
|
*p ^= (srcpix & endmask);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_NOP:
|
|
|
|
break;
|
|
|
|
} /* switch */
|
|
|
|
} else { /* no ragged bits at either end */
|
|
|
|
switch (rrops[d]) {
|
|
|
|
case RROP_BLACK:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
Duff(nlw, *p++ &= ~srcpix);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_WHITE:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
Duff(nlw, *p++ |= srcpix);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case RROP_INVERT:
|
|
|
|
while (h--) {
|
|
|
|
srcpix = psrc[iy];
|
|
|
|
iy = ++iy < tileHeight ? iy : 0;
|
|
|
|
nlw = nlwMiddle;
|
|
|
|
Duff(nlw, *p++ ^= srcpix);
|
|
|
|
ilbmScanlineInc(p, nlwExtra);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
} /* switch */
|
|
|
|
}
|
|
|
|
} /* for (d = ...) */
|
|
|
|
}
|
|
|
|
pbox++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
ilbmStippleArea(pDraw, nbox, pbox, pTile, xOff, yOff, rrops)
|
|
|
|
DrawablePtr pDraw;
|
|
|
|
int nbox;
|
|
|
|
BoxPtr pbox;
|
|
|
|
PixmapPtr pTile;
|
|
|
|
int xOff;
|
|
|
|
int yOff;
|
|
|
|
unsigned char *rrops;
|
|
|
|
{
|
|
|
|
register PixelType *psrc; /* pointer to bits in tile, if needed */
|
|
|
|
int nlwidth; /* width in longwords of the drawable */
|
|
|
|
register int h; /* height of current box */
|
|
|
|
register PixelType *pdst; /* pointer to bits we're writing */
|
|
|
|
int auxDst;
|
|
|
|
int depthDst;
|
|
|
|
int sizeTile;
|
|
|
|
int tileLine;
|
|
|
|
int iline;
|
|
|
|
int w, width, x, xSrc, ySrc, srcStartOver, nend;
|
|
|
|
int tlwidth, rem, tileWidth, tileHeight, endinc;
|
|
|
|
int saveW;
|
|
|
|
register int rop;
|
|
|
|
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);
|
|
|
|
|
|
|
|
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 @@@ */
|
|
|
|
h = saveH;
|
|
|
|
pStartDst = saveP;
|
|
|
|
pStartTile = psrcT + tileLine;
|
|
|
|
iy = iline;
|
|
|
|
|
|
|
|
while (h--) {
|
|
|
|
x = pbox->x1;
|
|
|
|
width = saveW;
|
|
|
|
pdst = pStartDst;
|
|
|
|
rop = rrops[d];
|
|
|
|
|
|
|
|
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;
|
|
|
|
getandputrrop((psrc + endinc), (rem & PIM), (x & PIM), w,
|
|
|
|
pdst, rop)
|
|
|
|
if ((x & PIM) + w >= PPW)
|
|
|
|
pdst++;
|
|
|
|
} else if (((x & PIM) + w) < PPW) {
|
|
|
|
/* doing < PPW bits is easy, and worth special-casing */
|
|
|
|
putbitsrrop(*psrc, x & PIM, w, pdst, rop);
|
|
|
|
} 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) {
|
|
|
|
putbitsrrop(*psrc, (x & PIM), nstart, pdst, rop);
|
|
|
|
pdst++;
|
|
|
|
if (srcStartOver)
|
|
|
|
psrc++;
|
|
|
|
}
|
|
|
|
|
|
|
|
while (nlMiddle--) {
|
|
|
|
getandputrrop0(psrc, nstart, PPW, pdst, rop);
|
|
|
|
pdst++;
|
|
|
|
psrc++;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (endmask) {
|
|
|
|
getandputrrop0(psrc, nstart, nend, pdst, rop);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
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 */
|
|
|
|
}
|