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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/xf4bpp/mfbbres.c | |
download | vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2 vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip |
Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/hw/xfree86/xf4bpp/mfbbres.c')
-rw-r--r-- | xorg-server/hw/xfree86/xf4bpp/mfbbres.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/xf4bpp/mfbbres.c b/xorg-server/hw/xfree86/xf4bpp/mfbbres.c new file mode 100644 index 000000000..09d7ee288 --- /dev/null +++ b/xorg-server/hw/xfree86/xf4bpp/mfbbres.c @@ -0,0 +1,164 @@ +/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */ +/*********************************************************** + +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" + +/* Solid bresenham line */ +/* NOTES + e2 is used less often than e1, so it's not in a register +*/ + +void +xf4bppBresS(addrlbase, nlwidth, signdx, signdy, axis, x1, y1, e, e1, e2, len) +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; /* bitmask long pointer + *dont* * cast to char pointer */ + register PixelType bit; /* current bit being set/cleared/etc. */ + PixelType leftbit = mfbGetmask(0); /* leftmost bit to process in new word */ + PixelType rightbit = mfbGetmask(PPW-1); /* rightmost bit to process in new word */ + + register int e3 = e2-e1; + + /* 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 (!len) + return; + + if (axis == X_AXIS) + { + if (signdx > 0) + { + while(len--) + { + UPDRW(addrl,bit); + e += e1; + if (e >= 0) + { + addrl += yinc; + e += e3; + } + bit = SCRRIGHT(bit,1); + if (!bit) { bit = leftbit; addrl++; } + } + } + else + { + while(len--) + { + UPDRW(addrl,bit); + e += e1; + if (e >= 0) + { + addrl += yinc; + e += e3; + } + bit = SCRLEFT(bit,1); + if (!bit) { bit = rightbit; addrl--; } + } + } + } /* if X_AXIS */ + else + { + if (signdx > 0) + { + while(len--) + { + UPDRW(addrl,bit); + e += e1; + if (e >= 0) + { + bit = SCRRIGHT(bit,1); + if (!bit) { bit = leftbit; addrl++; } + e += e3; + } + addrl += yinc; + } + } + else + { + while(len--) + { + UPDRW(addrl,bit); + e += e1; + if (e >= 0) + { + bit = SCRLEFT(bit,1); + if (!bit) { bit = rightbit; addrl--; } + e += e3; + } + addrl += yinc; + } + } + } /* else Y_AXIS */ +} |