mirror of
https://invent.kde.org/graphics/okular
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113 lines
3.3 KiB
C++
113 lines
3.3 KiB
C++
/*
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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 <kdebug.h>
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#include <kmessagebox.h>
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#include <klocale.h>
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#include "dviRenderer.h"
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#include "xdvi.h"
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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(QString message)
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{
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kdError() << 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 KDVI,\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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KDVI will abort after this message. If you believe that you \n\
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found a bug, or that KDVI 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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*
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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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*/
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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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