root/OpenSceneGraph/trunk/src/osgPlugins/qfont/ReaderQFont.cpp @ 13041

Revision 13041, 2.3 kB (checked in by robert, 2 years ago)

Ran script to remove trailing spaces and tabs

  • Property svn:eol-style set to native
Line 
1/* -*-c++-*- OpenSceneGraph - Copyright (C) 2009-2010 Mathias Froehlich
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13#include <osgDB/FileNameUtils>
14#include <osgDB/Registry>
15#include <osgText/Font>
16
17#include <QtCore/QThread>
18#include <QtGui/QApplication>
19#include <QtGui/QFont>
20#include <QtGui/QFontDatabase>
21
22#include <osgQt/QFontImplementation>
23
24namespace osgQFont {
25
26class ReaderQFont : public osgDB::ReaderWriter
27{
28    public:
29        ReaderQFont()
30        {
31            supportsExtension("qfont", "Qt font meta loader");
32        }
33
34        virtual const char* className() const { return "QFont Font Reader"; }
35
36        virtual ReadResult readObject(const std::string& file, const osgDB::ReaderWriter::Options* options) const
37        {
38            if (!acceptsExtension(osgDB::getLowerCaseFileExtension(file)))
39                return ReadResult::FILE_NOT_HANDLED;
40
41            if (!QApplication::instance())
42            {
43                OSG_WARN << "Trying to load qfont \"" << file << "\" from within a non qt application!" << std::endl;
44                return ReadResult::FILE_NOT_FOUND;
45            }
46
47            if (!QFontDatabase::supportsThreadedFontRendering() && QApplication::instance()->thread() != QThread::currentThread())
48            {
49                OSG_WARN << "Trying to load qfont \"" << file << "\" from a non gui thread "
50                    "within qt application without threaded font rendering!" << std::endl;
51                return ReadResult::FILE_NOT_FOUND;
52            }
53
54            QFont font;
55            if (!font.fromString(QString::fromStdString(osgDB::getNameLessExtension(file))))
56                return ReadResult::FILE_NOT_FOUND;
57
58            return new osgText::Font(new osgQt::QFontImplementation(font));
59        }
60};
61
62// now register with Registry to instantiate the above
63// reader/writer.
64REGISTER_OSGPLUGIN(qfont, ReaderQFont)
65
66}
Note: See TracBrowser for help on using the browser.