--- /dev/null
+/* 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.
+
+******************************************************************/
+/* $XConsortium: mfbhrzvert.c,v 1.15 94/04/17 20:28:24 dpw Exp $ */
+#include "X.h"
+
+#include "gc.h"
+#include "window.h"
+#include "pixmap.h"
+#include "region.h"
+
+#include "mfb.h"
+#include "maskbits.h"
+
+/* horizontal solid line
+ abs(len) > 1
+*/
+mfbHorzS(rop, addrl, nlwidth, x1, y1, len)
+int rop; /* a reduced rasterop */
+register PixelType *addrl; /* pointer to base of bitmap */
+register int nlwidth; /* width in longwords of bitmap */
+int x1; /* initial point */
+int y1;
+int len; /* length of line */
+{
+ register PixelType startmask;
+ register PixelType endmask;
+ register int nlmiddle;
+
+
+ /* force the line to go left to right
+ but don't draw the last point
+ */
+ if (len < 0)
+ {
+ x1 += len;
+ x1 += 1;
+ len = -len;
+ }
+
+ addrl = mfbScanline(addrl, x1, y1, nlwidth);
+
+ /* all bits inside same longword */
+ if ( ((x1 & PIM) + len) < PPW)
+ {
+ maskpartialbits(x1, len, startmask);
+ if (rop == RROP_BLACK)
+ {
+ *addrl &= ~startmask;
+ }
+ else if (rop == RROP_WHITE)
+ {
+ *addrl |= startmask;
+ }
+ else if (rop == RROP_INVERT)
+ {
+ *addrl ^= startmask;
+ }
+ }
+ else
+ {
+ maskbits(x1, len, startmask, endmask, nlmiddle);
+ if (rop == RROP_BLACK)
+ {
+ if (startmask)
+ *addrl++ &= ~startmask;
+ Duff (nlmiddle, *addrl++ = 0x0);
+ if (endmask)
+ *addrl &= ~endmask;
+ }
+ else if (rop == RROP_WHITE)
+ {
+ if (startmask)
+ *addrl++ |= startmask;
+ Duff (nlmiddle, *addrl++ = ~0);
+ if (endmask)
+ *addrl |= endmask;
+ }
+ else if (rop == RROP_INVERT)
+ {
+ if (startmask)
+ *addrl++ ^= startmask;
+ Duff (nlmiddle, *addrl++ ^= ~0);
+ if (endmask)
+ *addrl ^= endmask;
+ }
+ }
+}
+
+/* vertical solid line
+ this uses do loops because pcc (Ultrix 1.2, bsd 4.2) generates
+ better code. sigh. we know that len will never be 0 or 1, so
+ it's OK to use it.
+*/
+
+mfbVertS(rop, addrl, nlwidth, x1, y1, len)
+int rop; /* a reduced rasterop */
+register PixelType *addrl; /* pointer to base of bitmap */
+register int nlwidth; /* width in longwords of bitmap */
+int x1, y1; /* initial point */
+register int len; /* length of line */
+{
+ register PixelType bitmask;
+
+ addrl = mfbScanline(addrl, x1, y1, nlwidth);
+
+ if (len < 0)
+ {
+ nlwidth = -nlwidth;
+ len = -len;
+ }
+
+ if (rop == RROP_BLACK)
+ {
+ bitmask = rmask[x1 & PIM];
+ Duff(len, *addrl &= bitmask; mfbScanlineInc(addrl, nlwidth) );
+ }
+ else if (rop == RROP_WHITE)
+ {
+ bitmask = mask[x1 & PIM];
+ Duff(len, *addrl |= bitmask; mfbScanlineInc(addrl, nlwidth) );
+ }
+ else if (rop == RROP_INVERT)
+ {
+ bitmask = mask[x1 & PIM];
+ Duff(len, *addrl ^= bitmask; mfbScanlineInc(addrl, nlwidth) );
+ }
+}
projects / rdpsrv / blobdiff