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Diffstat (limited to 'xorg-server/afb/afbbresd.c')
| -rw-r--r-- | xorg-server/afb/afbbresd.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/xorg-server/afb/afbbresd.c b/xorg-server/afb/afbbresd.c deleted file mode 100644 index 4f07ede6c..000000000 --- a/xorg-server/afb/afbbresd.c +++ /dev/null @@ -1,214 +0,0 @@ -/*********************************************************** - -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 "misc.h" -#include "afb.h" -#include "maskbits.h" -#include "miline.h" - -/* Dashed bresenham line */ - -#define StepDash\ - if (!--dashRemaining) { \ - if (++ dashIndex == numInDashList) \ - dashIndex = 0; \ - dashRemaining = pDash[dashIndex]; \ - rop = fgrop; \ - if (dashIndex & 1) \ - rop = bgrop; \ - } - -void -afbBresD(pdashIndex, pDash, numInDashList, pdashOffset, isDoubleDash, - addrlbase, nlwidth, sizeDst, depthDst, - signdx, signdy, axis, x1, y1, e, e1, e2, len, rrops, bgrrops) -int *pdashIndex; /* current dash */ -unsigned char *pDash; /* dash list */ -int numInDashList; /* total length of dash list */ -int *pdashOffset; /* offset into current dash */ -int isDoubleDash; -PixelType *addrlbase; /* pointer to base of bitmap */ -int nlwidth; /* width in longwords of bitmap */ -int sizeDst; -int depthDst; -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 */ -unsigned char *rrops; -unsigned char *bgrrops; -{ - register int yinc; /* increment to next scanline, in bytes */ - register PixelType *addrl; - register int e3 = e2-e1; - register unsigned long bit; - PixelType leftbit = mfbGetmask(0); /* leftmost bit to process in new word */ - PixelType rightbit = mfbGetmask(PPW-1); /* rightmost bit to process in new word */ - int dashIndex; - int dashOffset; - int dashRemaining; - int rop; - int fgrop; - int bgrop; - int saveE; - int saveLen; - int d; - - dashOffset = *pdashOffset; - dashIndex = *pdashIndex; - dashRemaining = pDash[dashIndex] - dashOffset; - /* point to longword containing first point */ - - yinc = signdy * nlwidth; - e = e-e1; /* to make looping easier */ - - saveE = e; - saveLen = len; - - for (d = 0; d < depthDst; d++) { - addrl = afbScanline(addrlbase, x1, y1, nlwidth); - addrlbase += sizeDst; /* @@@ NEXT PLANE @@@ */ - - fgrop = rrops[d]; - bgrop = bgrrops[d]; - - e = saveE; - len = saveLen; - bit = mfbGetmask(x1 & PIM); - - rop = fgrop; - if (!isDoubleDash) - bgrop = -1; - if (dashIndex & 1) - rop = bgrop; - - if (axis == X_AXIS) { - if (signdx > 0) { - while(len--) { - if (rop == RROP_BLACK) - *addrl &= ~bit; - else if (rop == RROP_WHITE) - *addrl |= bit; - else if (rop == RROP_INVERT) - *addrl ^= bit; - e += e1; - if (e >= 0) { - afbScanlineInc(addrl, yinc); - e += e3; - } - bit = SCRRIGHT(bit,1); - if (!bit) { bit = leftbit;addrl ++; } - StepDash - } - } else { - while(len--) { - if (rop == RROP_BLACK) - *addrl &= ~bit; - else if (rop == RROP_WHITE) - *addrl |= bit; - else if (rop == RROP_INVERT) - *addrl ^= bit; - e += e1; - if (e >= 0) { - afbScanlineInc(addrl, yinc); - e += e3; - } - bit = SCRLEFT(bit,1); - if (!bit) { bit = rightbit;addrl --; } - StepDash - } - } - } /* if X_AXIS */ else { - if (signdx > 0) { - while(len--) { - if (rop == RROP_BLACK) - *addrl &= ~bit; - else if (rop == RROP_WHITE) - *addrl |= bit; - else if (rop == RROP_INVERT) - *addrl ^= bit; - e += e1; - if (e >= 0) { - bit = SCRRIGHT(bit,1); - if (!bit) { bit = leftbit;addrl ++; } - e += e3; - } - afbScanlineInc(addrl, yinc); - StepDash - } - } else { - while(len--) { - if (rop == RROP_BLACK) - *addrl &= ~bit; - else if (rop == RROP_WHITE) - *addrl |= bit; - else if (rop == RROP_INVERT) - *addrl ^= bit; - e += e1; - if (e >= 0) { - bit = SCRLEFT(bit,1); - if (!bit) { bit = rightbit;addrl --; } - e += e3; - } - afbScanlineInc(addrl, yinc); - StepDash - } - } - } /* else Y_AXIS */ - } /* for (d = ...) */ - *pdashIndex = dashIndex; - *pdashOffset = pDash[dashIndex] - dashRemaining; -} |