diff options
Diffstat (limited to 'nx-X11/programs/Xserver/iplan2p4/iplbresd.c')
| -rw-r--r-- | nx-X11/programs/Xserver/iplan2p4/iplbresd.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/nx-X11/programs/Xserver/iplan2p4/iplbresd.c b/nx-X11/programs/Xserver/iplan2p4/iplbresd.c deleted file mode 100644 index 61b154135..000000000 --- a/nx-X11/programs/Xserver/iplan2p4/iplbresd.c +++ /dev/null @@ -1,212 +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: iplbresd.c,v 1.16 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 "miline.h" -#include "iplmskbits.h" - -/* Dashed bresenham line */ - -void -iplBresD(rrops, - pdashIndex, pDash, numInDashList, pdashOffset, isDoubleDash, - addrg, ngwidth, - signdx, signdy, axis, x1, y1, e, e1, e2, len) - iplRRopPtr rrops; - int *pdashIndex; /* current dash */ - unsigned char *pDash; /* dash list */ - int numInDashList; /* total length of dash list */ - int *pdashOffset; /* offset into current dash */ - int isDoubleDash; - INTER_DECLAREG(*addrg); /* pointer to base of bitmap */ - int ngwidth; /* width in groups of bitmap */ - int signdx, 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; - int dashIndex; - int dashOffset; - int dashRemaining; - INTER_DECLARERRAX(xorFg); - INTER_DECLARERRAX(andFg); - INTER_DECLARERRAX(xorBg); - INTER_DECLARERRAX(andBg); - int thisDash; - - dashOffset = *pdashOffset; - dashIndex = *pdashIndex; - xorFg = rrops[0].xorg; - andFg = rrops[0].andg; - xorBg = rrops[1].xorg; - andBg = rrops[1].andg; - dashRemaining = pDash[dashIndex] - dashOffset; - if ((thisDash = dashRemaining) >= len) - { - thisDash = len; - dashRemaining -= len; - } - e = e-e1; /* to make looping easier */ - -#define BresStep(minor,major) {if ((e += e1) >= 0) { e += e3; minor; } major;} - -#define NextDash {\ - dashIndex++; \ - if (dashIndex == numInDashList) \ - dashIndex = 0; \ - dashRemaining = pDash[dashIndex]; \ - if ((thisDash = dashRemaining) >= len) \ - { \ - dashRemaining -= len; \ - thisDash = len; \ - } \ -} - - { - INTER_DECLAREG(startbit); - INTER_DECLAREG(bit); - - /* point to longword containing first point */ - addrg = addrg + (y1 * ngwidth) + (x1 >> INTER_PGSH) * INTER_PLANES; - signdy = signdy * ngwidth; - signdx = signdx * INTER_PLANES; - - if (signdx > 0) - startbit = iplmask[0]; - else - startbit = iplmask[INTER_PPG-1]; - bit = iplmask[x1 & INTER_PIM]; - -#define X_Loop(store) while(thisDash--) {\ - store; \ - BresStep(addrg += signdy, \ - if (signdx > 0) \ - bit >>= 1; \ - else \ - bit <<= 1; \ - if (!bit) \ - { \ - bit = startbit; \ - addrg += signdx; \ - }) \ - } -#define Y_Loop(store) while(thisDash--) {\ - store; \ - BresStep(if (signdx > 0) \ - bit >>= 1; \ - else \ - bit <<= 1; \ - if (!bit) \ - { \ - bit = startbit; \ - addrg += signdx; \ - }, \ - addrg += signdy) \ - } - - if (axis == X_AXIS) - { - for (;;) - { - len -= thisDash; - if (dashIndex & 1) { - if (isDoubleDash) { - X_Loop( - INTER_DoMaskRRop(addrg, andBg, xorBg, bit, addrg); - ) - } else { - X_Loop(;) - } - } else { - X_Loop(INTER_DoMaskRRop(addrg, andFg, xorFg, bit, addrg)); - } - if (!len) - break; - NextDash - } - } /* if X_AXIS */ - else - { - for (;;) - { - len -= thisDash; - if (dashIndex & 1) { - if (isDoubleDash) { - Y_Loop( - INTER_DoMaskRRop(addrg, andBg, xorBg, bit, addrg); - ) - } else { - Y_Loop(;) - } - } else { - Y_Loop(INTER_DoMaskRRop(addrg, andFg, xorFg, bit, addrg)); - } - if (!len) - break; - NextDash - } - } /* else Y_AXIS */ - } - *pdashIndex = dashIndex; - *pdashOffset = pDash[dashIndex] - dashRemaining; -} |