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