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Diffstat (limited to 'xorg-server/mfb/mfbbresd.c')
| -rw-r--r-- | xorg-server/mfb/mfbbresd.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/xorg-server/mfb/mfbbresd.c b/xorg-server/mfb/mfbbresd.c deleted file mode 100644 index 3904c0db1..000000000 --- a/xorg-server/mfb/mfbbresd.c +++ /dev/null @@ -1,207 +0,0 @@ -/*********************************************************** - -Copyright 1987, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -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 -OPEN GROUP 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 Open Group 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 Open Group. - - -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 "mfb.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 -mfbBresD(fgrop, bgrop, - pdashIndex, pDash, numInDashList, pdashOffset, isDoubleDash, - addrlbase, nlwidth, - signdx, signdy, axis, x1, y1, e, e1, e2, len) -int fgrop, bgrop; -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 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 yinc; /* increment to next scanline, in bytes */ - register PixelType *addrl; - register int e3 = e2-e1; - register MfbBits bit; - PixelType leftbit = mask[0]; /* leftmost bit to process in new word */ - PixelType rightbit = mask[PPW-1]; /* rightmost bit to process in new word */ - int dashIndex; - int dashOffset; - int dashRemaining; - int rop; - - dashOffset = *pdashOffset; - dashIndex = *pdashIndex; - dashRemaining = pDash[dashIndex] - dashOffset; - rop = fgrop; - if (!isDoubleDash) - bgrop = -1; - if (dashIndex & 1) - rop = bgrop; - - /* point to longword containing first point */ - addrl = mfbScanline(addrlbase, x1, y1, nlwidth); - yinc = signdy * nlwidth; - e = e-e1; /* to make looping easier */ - bit = mask[x1 & PIM]; - 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) - { - mfbScanlineInc(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) - { - mfbScanlineInc(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; - } - mfbScanlineInc(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; - } - mfbScanlineInc(addrl, yinc); - StepDash - } - } - } /* else Y_AXIS */ - *pdashIndex = dashIndex; - *pdashOffset = pDash[dashIndex] - dashRemaining; -} |