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114 lines
3.7 KiB
C++
114 lines
3.7 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qfontengine_qpf_p.h"
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#include "qpaintengine_raster_p.h"
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#include <QtCore/qlibraryinfo.h>
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#include <QtCore/qfileinfo.h>
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#include <QtCore/qfile.h>
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#include <QtCore/qdir.h>
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#include <QtCore/qbuffer.h>
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#if !defined(QT_NO_FREETYPE)
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#include "qfontengine_ft_p.h"
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#endif
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#include "qcore_unix_p.h" // overrides QT_OPEN
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// for mmap
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <errno.h>
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QT_BEGIN_NAMESPACE
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QString qws_fontCacheDir()
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{
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QString dir = QDir::tempPath();
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dir.append(QLatin1String("/fonts/"));
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QDir qd(dir);
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if (!qd.exists() && !qd.mkpath(dir))
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dir = QDir::tempPath();
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return dir;
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}
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/*
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Creates a new multi qws engine.
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This function takes ownership of the QFontEngine, increasing it's refcount.
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*/
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QFontEngineMultiQWS::QFontEngineMultiQWS(QFontEngine *fe, int _script, const QStringList &fallbacks)
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: QFontEngineMulti(fallbacks.size() + 1),
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fallbackFamilies(fallbacks), script(_script)
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{
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engines[0] = fe;
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fe->ref.ref();
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fontDef = engines[0]->fontDef;
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}
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void QFontEngineMultiQWS::loadEngine(int at)
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{
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Q_ASSERT(at < engines.size());
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Q_ASSERT(engines.at(at) == 0);
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QFontDef request = fontDef;
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request.styleStrategy |= QFont::NoFontMerging;
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request.family = fallbackFamilies.at(at-1);
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engines[at] = QFontDatabase::findFont(script,
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/*fontprivate*/0,
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request);
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Q_ASSERT(engines[at]);
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engines[at]->ref.ref();
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engines[at]->fontDef = request;
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}
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void QFontEngineMultiQWS::draw(QPaintEngine */*p*/, qreal /*x*/, qreal /*y*/, const QTextItemInt &/*si*/)
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{
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qFatal("QFontEngineMultiQWS::draw should never be called!");
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}
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QT_END_NAMESPACE
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