mirror of
https://invent.kde.org/graphics/okular
synced 2024-11-05 18:34:53 +00:00
96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; c-brace-offset: 0; -*-
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// fontEncoding.cpp
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//
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// Part of KDVI - A DVI previewer for the KDE desktop environment
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//
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// (C) 2003 Stefan Kebekus
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// Distributed under the GPL
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#include <config.h>
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#ifdef HAVE_FREETYPE
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#include "fontEncoding.h"
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#include "debug_dvi.h"
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#include <QLoggingCategory>
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#include <QFile>
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#include <QProcess>
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#include <QTextStream>
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//#define DEBUG_FONTENC
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fontEncoding::fontEncoding(const QString &encName)
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{
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#ifdef DEBUG_FONTENC
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qCDebug(OkularDviDebug) << "fontEncoding( " << encName << " )";
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#endif
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_isValid = false;
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// Use kpsewhich to find the encoding file.
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QProcess kpsewhich;
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kpsewhich.setProcessChannelMode(QProcess::MergedChannels);
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kpsewhich.start(QStringLiteral("kpsewhich"),
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QStringList() << encName,
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QIODevice::ReadOnly|QIODevice::Text);
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if (!kpsewhich.waitForStarted()) {
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qCCritical(OkularDviDebug) << "fontEncoding::fontEncoding(...): kpsewhich could not be started." << endl;
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return;
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}
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// We wait here while the external program runs concurrently.
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kpsewhich.waitForFinished(-1);
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const QString encFileName = QString::fromLocal8Bit(kpsewhich.readAll()).trimmed();
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if (encFileName.isEmpty()) {
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qCCritical(OkularDviDebug) << QStringLiteral("fontEncoding::fontEncoding(...): The file '%1' could not be found by kpsewhich.").arg(encName) << endl;
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return;
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}
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#ifdef DEBUG_FONTENC
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qCDebug(OkularDviDebug) << "FileName of the encoding: " << encFileName;
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#endif
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QFile file( encFileName );
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if ( file.open( QIODevice::ReadOnly ) ) {
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// Read the file (excluding comments) into the QString variable
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// 'fileContent'
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QTextStream stream( &file );
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QString fileContent;
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while ( !stream.atEnd() )
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fileContent += stream.readLine().section(QLatin1Char('%'), 0, 0); // line of text excluding '\n' until first '%'-sign
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file.close();
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fileContent = fileContent.trimmed();
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// Find the name of the encoding
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encodingFullName = fileContent.section(QLatin1Char('['), 0, 0).simplified().mid(1);
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#ifdef DEBUG_FONTENC
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qCDebug(OkularDviDebug) << "encodingFullName: " << encodingFullName;
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#endif
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fileContent = fileContent.section(QLatin1Char('['), 1, 1).section(QLatin1Char(']'),0,0).simplified();
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const QStringList glyphNameList = fileContent.split(QLatin1Char('/'), QString::SkipEmptyParts);
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int i = 0;
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for ( QStringList::ConstIterator it = glyphNameList.constBegin(); (it != glyphNameList.constEnd())&&(i<256); ++it ) {
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glyphNameVector[i] = (*it).simplified();
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#ifdef DEBUG_FONTENC
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qCDebug(OkularDviDebug) << i << ": " << glyphNameVector[i];
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#endif
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i++;
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}
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for(; i<256; i++)
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glyphNameVector[i] = QStringLiteral(".notdef");
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} else {
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qCCritical(OkularDviDebug) << QStringLiteral("fontEncoding::fontEncoding(...): The file '%1' could not be opened.").arg(encFileName) << endl;
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return;
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}
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_isValid = true;
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}
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#endif // HAVE_FREETYPE
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