diff options
Diffstat (limited to 'xorg-server/hw/xfree86/xf4bpp/mfbbresd.c')
| -rw-r--r-- | xorg-server/hw/xfree86/xf4bpp/mfbbresd.c | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/xorg-server/hw/xfree86/xf4bpp/mfbbresd.c b/xorg-server/hw/xfree86/xf4bpp/mfbbresd.c deleted file mode 100644 index 318d4f5da..000000000 --- a/xorg-server/hw/xfree86/xf4bpp/mfbbresd.c +++ /dev/null @@ -1,205 +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. - -******************************************************************/ -/* GJA -- modified this file for vga16 */ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include "xf4bpp.h" -#include "OScompiler.h" -#include "mfbmap.h" -#include "mfb.h" -#include "maskbits.h" -#include "miline.h" -#include "wm3.h" -#include "xf86.h" - -/* Dashed bresenham line */ - -#define NO_INK (-1) /* GJA -- means: dash is off */ - -#define StepDash\ - if (!--dashRemaining) { \ - if (++ dashIndex == numInDashList) \ - dashIndex = 0; \ - dashRemaining = pDash[dashIndex]; \ - ink = fgink; \ - if (dashIndex & 1) \ - ink = bgink; \ - if (isDoubleDash) \ - WM3_SET_INK(ink); \ - } - -void -xf4bppBresD(pDrawable, fgink, bgink, - pdashIndex, pDash, numInDashList, pdashOffset, isDoubleDash, - addrlbase, nlwidth, - signdx, signdy, axis, x1, y1, e, e1, e2, len) -DrawablePtr pDrawable; -int fgink, bgink; -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 */ -{ - IOADDRESS REGBASE = - xf86Screens[pDrawable->pScreen->myNum]->domainIOBase + 0x300; - 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 ink; - - fgink &= 0x0F; bgink &= 0x0F; /* GJA -- so they're != NO_INK */ - - dashOffset = *pdashOffset; - dashIndex = *pdashIndex; - dashRemaining = pDash[dashIndex] - dashOffset; - ink = fgink; - if (!isDoubleDash) - bgink = NO_INK; - if (dashIndex & 1) - ink = bgink; - if ( ink != NO_INK ) WM3_SET_INK(ink); - - /* point to longword containing first point */ - addrl = mfbScanline(addrlbase, x1, y1, nlwidth); - yinc = signdy * nlwidth; - e = e-e1; /* to make looping easier */ - bit = mfbGetmask(x1 & PIM); - if (axis == X_AXIS) - { - if (signdx > 0) - { - while(len--) - { - if ( ink != NO_INK ) UPDRW(addrl,bit); - e += e1; - if (e >= 0) - { - addrl += yinc; - e += e3; - } - bit = SCRRIGHT(bit,1); - if (!bit) { bit = leftbit; addrl++; } - StepDash - } - } - else - { - while(len--) - { - - if ( ink != NO_INK ) UPDRW(addrl,bit); - e += e1; - if (e >= 0) - { - addrl += yinc; - e += e3; - } - bit = SCRLEFT(bit,1); - if (!bit) { bit = rightbit; addrl--; } - StepDash - } - } - } /* if X_AXIS */ - else - { - if (signdx > 0) - { - while(len--) - { - if ( ink != NO_INK ) UPDRW(addrl,bit); - e += e1; - if (e >= 0) - { - bit = SCRRIGHT(bit,1); - if (!bit) { bit = leftbit; addrl++; } - e += e3; - } - addrl += yinc; - StepDash - } - } - else - { - while(len--) - { - - if ( ink != NO_INK ) UPDRW(addrl,bit); - e += e1; - if (e >= 0) - { - bit = SCRLEFT(bit,1); - if (!bit) { bit = rightbit; addrl--; } - e += e3; - } - addrl += yinc; - StepDash - } - } - } /* else Y_AXIS */ - *pdashIndex = dashIndex; - *pdashOffset = pDash[dashIndex] - dashRemaining; -} |