diff options
Diffstat (limited to 'iplan2p4/iplbres.c')
| -rw-r--r-- | iplan2p4/iplbres.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/iplan2p4/iplbres.c b/iplan2p4/iplbres.c deleted file mode 100644 index 4fa9a3256..000000000 --- a/iplan2p4/iplbres.c +++ /dev/null @@ -1,186 +0,0 @@ -/* $XFree86$ */ -/*********************************************************** - -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: iplbres.c,v 1.15 94/04/17 20:28:45 dpw Exp $ */ - -/* Modified nov 94 by Martin Schaller (Martin_Schaller@maus.r.de) for use with -interleaved planes */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include "misc.h" -#include "ipl.h" -#include "servermd.h" -#include "miline.h" - -#include "iplmskbits.h" - -/* Solid bresenham line */ -/* NOTES - e2 is used less often than e1, so it's not in a register -*/ - -void -iplBresS(rop, andp, xorp, addrg, ngwidth, signdx, signdy, axis, x1, y1, e, e1, - e2, len) - int rop; - INTER_DECLARERRAX(andp); - INTER_DECLARERRAX(xorp); - INTER_DECLAREG(*addrg); /* pointer to base of bitmap */ - int ngwidth; /* width in longwords of bitmap */ - register int signdx; - int signdy; /* signs of directions */ - int axis; /* major axis (Y_AXIS or X_AXIS) */ - int x1, y1; /* initial point */ - register int e; /* error accumulator */ - register int e1; /* bresenham increments */ - int e2; - int len; /* length of line */ -{ - register int e3 = e2-e1; - INTER_DECLAREG(bit); - INTER_DECLAREG(leftbit); - INTER_DECLAREG(rightbit); - - /* point to longword containing first point */ - addrg = addrg + y1 * ngwidth + (x1 >> INTER_PGSH) * INTER_PLANES; - - if (signdy < 0) - ngwidth = -ngwidth; - e = e-e1; /* to make looping easier */ - - leftbit = iplmask[0]; - rightbit = iplmask[INTER_PPG-1]; - bit = iplmask[x1 & INTER_PIM]; - - if (axis == X_AXIS) - { - if (signdx > 0) - { - while (len--) - { - INTER_DoMaskRRop(addrg, andp, xorp, bit, addrg); - bit = bit >> 1; - e += e1; - if (e >= 0) - { - addrg += ngwidth; - e += e3; - } - if (!bit) - { - bit = leftbit; - addrg += INTER_PLANES; - } - } - } - else - { - while (len--) - { - INTER_DoMaskRRop(addrg, andp, xorp, bit, addrg); - e += e1; - bit = bit << 1; - if (e >= 0) - { - addrg += ngwidth; - e += e3; - } - if (!bit) - { - bit = rightbit; - addrg -= INTER_PLANES; - } - } - } - } /* if X_AXIS */ - else - { - if (signdx > 0) - { - while(len--) - { - INTER_DoMaskRRop(addrg, andp, xorp, bit, addrg); - e += e1; - if (e >= 0) - { - bit = bit >> 1; - if (!bit) - { - bit = leftbit; - addrg += INTER_PLANES; - } - e += e3; - } - addrg += ngwidth; - } - } - else - { - while(len--) - { - INTER_DoMaskRRop(addrg, andp, xorp, bit, addrg); - e += e1; - if (e >= 0) - { - bit = bit << 1; - if (!bit) - { - bit = rightbit; - addrg -= INTER_PLANES; - } - e += e3; - } - addrg += ngwidth; - } - } - } /* else Y_AXIS */ -} |