Files
lmms/src/gui/embed.cpp
2015-05-30 22:59:18 +02:00

119 lines
2.8 KiB
C++

/*
* embed.cpp - misc stuff for using embedded resources (linked into binary)
*
* Copyright (c) 2004-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of LMMS - http://lmms.io
*
* 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 (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#include <QImage>
#include <QHash>
#include <QImageReader>
#include <QList>
#include "embed.h"
#include "ConfigManager.h"
#ifndef PLUGIN_NAME
namespace embed
#else
namespace PLUGIN_NAME
#endif
{
namespace
{
static QHash<QString, QPixmap> s_pixmapCache;
}
#include "embedded_resources.h"
QPixmap getIconPixmap( const char * pixmapName, int width, int height )
{
if( width == -1 || height == -1 )
{
// Return cached pixmap
QPixmap cached = s_pixmapCache.value( pixmapName );
if( !cached.isNull() )
{
return cached;
}
// Or try to load it
QList<QByteArray> formats = QImageReader::supportedImageFormats();
QList<QString> candidates;
QPixmap pixmap;
QString name;
int i;
for ( i = 0; i < formats.size() && pixmap.isNull(); ++i )
{
candidates << QString( pixmapName ) + "." + formats.at( i ).data();
}
#ifdef PLUGIN_NAME
for ( i = 0; i < candidates.size() && pixmap.isNull(); ++i ) {
name = candidates.at( i );
pixmap = QPixmap( "resources:plugins/" STRINGIFY( PLUGIN_NAME ) "_" + name );
}
#endif
for ( i = 0; i < candidates.size() && pixmap.isNull(); ++i ) {
name = candidates.at( i );
pixmap = QPixmap( "resources:" + name );
}
for ( i = 0; i < candidates.size() && pixmap.isNull(); ++i ) {
name = candidates.at( i );
const embed::descriptor & e =
findEmbeddedData( name.toUtf8().constData() );
// found?
if( name == e.name )
{
pixmap.loadFromData( e.data, e.size );
}
}
// Fallback
if( pixmap.isNull() )
{
pixmap = QPixmap( 1, 1 );
}
// Save to cache and return
s_pixmapCache.insert( pixmapName, pixmap );
return pixmap;
}
return getIconPixmap( pixmapName ).
scaled( width, height, Qt::IgnoreAspectRatio,
Qt::SmoothTransformation );
}
QString getText( const char * _name )
{
const embed::descriptor & e = findEmbeddedData( _name );
return QString::fromUtf8( (const char *) e.data, e.size );
}
}