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// fontMap.cpp
//
// Part of KDVI - A DVI previewer for the KDE desktop environemt
//
// (C) 2003 Stefan Kebekus
// Distributed under the GPL
#include <config.h>
#ifdef HAVE_FREETYPE
#include <kdebug.h>
#include <kprocio.h>
#include <tqfile.h>
#include "fontMap.h"
//#define DEBUG_FONTMAP
fontMap::fontMap()
{
// Read the map file of ps2pk which will provide us with a
// dictionary "TeX Font names" <-> "Name of font files, Font Names
// and Encodings" (example: the font "Times-Roman" is called
// "ptmr8y" in the DVI file, but the Type1 font file name is
// "utmr8a.pfb". We use the map file of "ps2pk" because that progam
// has, like kdvi (and unlike dvips), no built-in fonts.
// Finding ps2pk.map is not easy. In teTeX < 3.0, the kpsewhich
// program RETQUIRES the option "--format=dvips config". In teTeX =
// 3.0, the option "--format=map" MUST be used. Since there is no
// way to give both options at the same time, there is seemingly no
// other way than to try both options one after another. We use the
// teTeX 3.0 format first.
KProcIO proc;
proc << "kpsewhich" << "--format=map" << "ps2pk.map";
if (proc.start(KProcess::Block) == false) {
kdError(4700) << "fontMap::fontMap(): kpsewhich could not be started." << endl;
return;
}
TQString map_fileName;
proc.readln(map_fileName);
map_fileName = map_fileName.stripWhiteSpace();
if (map_fileName.isEmpty()) {
// Map file not found? Then we try the teTeX < 3.0 way of finding
// the file.
proc << "kpsewhich" << "--format=dvips config" << "ps2pk.map";
if (proc.start(KProcess::Block) == false) {
kdError(4700) << "fontMap::fontMap(): kpsewhich could not be started." << endl;
return;
}
proc.readln(map_fileName);
map_fileName = map_fileName.stripWhiteSpace();
// If both versions fail, then there is nothing left to do.
if (map_fileName.isEmpty()) {
kdError(4700) << "fontMap::fontMap(): The file 'ps2pk.map' could not be found by kpsewhich." << endl;
return;
}
}
TQFile file( map_fileName );
if ( file.open( IO_ReadOnly ) ) {
TQTextStream stream( &file );
TQString line;
while ( !stream.atEnd() ) {
line = stream.readLine().simplifyWhiteSpace();
if (line.at(0) == '%')
continue;
TQString TeXName = line.section(' ', 0, 0);
TQString FullName = line.section(' ', 1, 1);
TQString fontFileName = line.section('<', -1).stripWhiteSpace().section(' ', 0, 0);
TQString encodingName = line.section('<', -2, -2).stripWhiteSpace().section(' ', 0, 0);
// It seems that sometimes the encoding is prepended by the
// letter '[', which we ignore
if ((!encodingName.isEmpty()) && (encodingName[0] == '['))
encodingName = encodingName.mid(1);
double slant = 0.0;
int i = line.find("SlantFont");
if (i >= 0) {
bool ok;
slant = line.left(i).section(' ', -1, -1 ,TQString::SectionSkipEmpty).toDouble(&ok);
if (ok == false)
slant = 0.0;
}
fontMapEntry &entry = fontMapEntries[TeXName];
entry.slant = slant;
entry.fontFileName = fontFileName;
entry.fullFontName = FullName;
if (encodingName.endsWith(".enc"))
entry.fontEncoding = encodingName;
else
entry.fontEncoding = TQString();
}
file.close();
} else
kdError(4300) << TQString("fontMap::fontMap(): The file '%1' could not be opened.").tqarg(map_fileName) << endl;
#ifdef DEBUG_FONTMAP
kdDebug(4300) << "FontMap file parsed. Results:" << endl;
TQMap<TQString, fontMapEntry>::Iterator it;
for ( it = fontMapEntries.begin(); it != fontMapEntries.end(); ++it )
kdDebug(4300) << "TeXName: " << it.key()
<< ", FontFileName=" << it.data().fontFileName
<< ", FullName=" << it.data().fullFontName
<< ", Encoding=" << it.data().fontEncoding
<< "." << endl;;
#endif
}
const TQString &fontMap::findFileName(const TQString &TeXName)
{
TQMap<TQString, fontMapEntry>::Iterator it = fontMapEntries.find(TeXName);
if (it != fontMapEntries.end())
return it.data().fontFileName;
else
return TQString();
}
const TQString &fontMap::findFontName(const TQString &TeXName)
{
TQMap<TQString, fontMapEntry>::Iterator it = fontMapEntries.find(TeXName);
if (it != fontMapEntries.end())
return it.data().fullFontName;
else
return TQString();
}
const TQString &fontMap::findEncoding(const TQString &TeXName)
{
TQMap<TQString, fontMapEntry>::Iterator it = fontMapEntries.find(TeXName);
if (it != fontMapEntries.end())
return it.data().fontEncoding;
else
return TQString();
}
double fontMap::findSlant(const TQString &TeXName)
{
TQMap<TQString, fontMapEntry>::Iterator it = fontMapEntries.find(TeXName);
if (it != fontMapEntries.end())
return it.data().slant;
else
return 0.0;
}
#endif // HAVE_FREETYPE
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