gtkradiant/radiant/image.cpp

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/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant 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.
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "image.h"
#include "modulesystem.h"
#include "iimage.h"
#include "ifilesystem.h"
#include "iarchive.h"
#include "generic/reference.h"
#include "os/path.h"
#include "stream/stringstream.h"
typedef Modules<_QERPlugImageTable> ImageModules;
ImageModules& Textures_getImageModules();
/// \brief Returns a new image for the first file matching \p name in one of the available texture formats, or 0 if no file is found.
Image* QERApp_LoadImage(void* environment, const char* name)
{
Image* image = 0;
class LoadImageVisitor : public ImageModules::Visitor
{
const char* m_name;
Image*& m_image;
public:
LoadImageVisitor(const char* name, Image*& image)
: m_name(name), m_image(image)
{
}
void visit(const char* name, const _QERPlugImageTable& table)
{
if(m_image == 0)
{
StringOutputStream fullname(256);
fullname << m_name << '.' << name;
ArchiveFile* file = GlobalFileSystem().openFile(fullname.c_str());
if(file != 0)
{
m_image = table.loadImage(*file);
file->release();
}
}
}
} visitor(name, image);
Textures_getImageModules().foreachModule(visitor);
return image;
}