flightgear/utils/fgqcanvas/fgqcanvasfontcache.h
2022-10-20 20:29:11 +08:00

57 lines
1.6 KiB
C++

//
// Copyright (C) 2017 James Turner zakalawe@mac.com
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef FGQCANVASFONTCACHE_H
#define FGQCANVASFONTCACHE_H
#include <QObject>
#include <QFont>
#include <QDir>
#include <QHash>
#include <QNetworkReply>
class QNetworkAccessManager;
class FGQCanvasFontCache : public QObject
{
Q_OBJECT
public:
explicit FGQCanvasFontCache(QNetworkAccessManager* nam, QObject *parent = 0);
QFont fontForName(QByteArray name, bool* ok = nullptr);
void setHost(QString hostName, int portNumber);
signals:
void fontLoaded(QByteArray name);
private slots:
void onFontDownloadFinished();
void onFontDownloadError(QNetworkReply::NetworkError);
private:
QNetworkAccessManager* m_downloader;
QHash<QByteArray, QFont> m_cache;
QString m_hostName;
int m_port;
void lookupFile(QByteArray name);
QList<QNetworkReply*> m_transfers;
};
#endif // FGQCANVASFONTCACHE_H