aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/afb/afbbresd.c
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/afb/afbbresd.c
downloadvcxsrv-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/afb/afbbresd.c')
-rw-r--r--xorg-server/afb/afbbresd.c214
1 files changed, 214 insertions, 0 deletions
diff --git a/xorg-server/afb/afbbresd.c b/xorg-server/afb/afbbresd.c
new file mode 100644
index 000000000..4f07ede6c
--- /dev/null
+++ b/xorg-server/afb/afbbresd.c
@@ -0,0 +1,214 @@
+/***********************************************************
+
+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;
+}