1 files changed, 115 insertions, 0 deletions
diff --git a/kdvi/util.cpp b/kdvi/util.cpp
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+++ b/kdvi/util.cpp
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+/*
+ * Copyright (c) 1994 Paul Vojta.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * NOTE:
+ *	xdvi is based on prior work as noted in the modification history, below.
+ */
+
+/*
+ * DVI previewer for X.
+ *
+ * Eric Cooper, CMU, September 1985.
+ *
+ * Code derived from dvi-imagen.c.
+ *
+ * Modification history:
+ * 1/1986	Modified for X.10	--Bob Scheifler, MIT LCS.
+ * 7/1988	Modified for X.11	--Mark Eichin, MIT
+ * 12/1988	Added 'R' option, toolkit, magnifying glass
+ *					--Paul Vojta, UC Berkeley.
+ * 2/1989	Added tpic support	--Jeffrey Lee, U of Toronto
+ * 4/1989	Modified for System V	--Donald Richardson, Clarkson Univ.
+ * 3/1990	Added VMS support	--Scott Allendorf, U of Iowa
+ * 7/1990	Added reflection mode	--Michael Pak, Hebrew U of Jerusalem
+ * 1/1992	Added greyscale code	--Till Brychcy, Techn. Univ. Muenchen
+ *					  and Lee Hetherington, MIT
+ * 4/1994	Added DPS support, bounding box
+ *					--Ricardo Telichevesky
+ *					  and Luis Miguel Silveira, MIT RLE.
+ */
+
+#include <config.h>
+
+#include <kdebug.h>
+#include <kmessagebox.h>
+#include <klocale.h>
+
+#include "dviRenderer.h"
+#include "xdvi.h"
+
+
+
+/*
+ *	General utility routines.
+ */
+
+/*
+ *	Print error message and quit.
+ */
+
+void oops(QString message)
+{
+  kdError() << i18n("Fatal Error! ") << message << endl;
+
+  KMessageBox::error( NULL,
+		      i18n("Fatal error.\n\n") +
+		      message +
+		      i18n("\n\n\
+This probably means that either you found a bug in KDVI,\n\
+or that the DVI file, or auxiliary files (such as font files, \n\
+or virtual font files) were really badly broken.\n\
+KDVI will abort after this message. If you believe that you \n\
+found a bug, or that KDVI should behave better in this situation\n\
+please report the problem."));
+  exit(1);
+}
+
+/*
+ *
+ *      Read size bytes from the FILE fp, constructing them into a
+ *      signed/unsigned integer.
+ *
+ */
+
+unsigned long num(FILE *fp, int size)
+{
+	register long x = 0;
+
+	while (size--) x = (x << 8) | one(fp);
+	return x;
+}
+
+long snum(FILE *fp, int size)
+{
+	register long x;
+
+#ifdef	__STDC__
+	x = (signed char) getc(fp);
+#else
+	x = (unsigned char) getc(fp);
+	if (x & 0x80) x -= 0x100;
+#endif
+	while (--size) x = (x << 8) | one(fp);
+	return x;
+}