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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kdvi/util.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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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;
+}