TextureResource.h

00001 /*
00002  * This source file is part of libRocket, the HTML/CSS Interface Middleware
00003  *
00004  * For the latest information, see http://www.librocket.com
00005  *
00006  * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
00007  *
00008  * Permission is hereby granted, free of charge, to any person obtaining a copy
00009  * of this software and associated documentation files (the "Software"), to deal
00010  * in the Software without restriction, including without limitation the rights
00011  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00012  * copies of the Software, and to permit persons to whom the Software is
00013  * furnished to do so, subject to the following conditions:
00014  *
00015  * The above copyright notice and this permission notice shall be included in
00016  * all copies or substantial portions of the Software.
00017  * 
00018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00019  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00020  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00021  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00022  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00023  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00024  * THE SOFTWARE.
00025  *
00026  */
00027 
00028 #ifndef ROCKETCORETEXTURERESOURCE_H
00029 #define ROCKETCORETEXTURERESOURCE_H
00030 
00031 #include <Rocket/Core/ReferenceCountable.h>
00032 #include <Rocket/Core/Texture.h>
00033 
00034 namespace Rocket {
00035 namespace Core {
00036 
00044 class TextureResource : public ReferenceCountable
00045 {
00046 friend class TextureDatabase;
00047 
00048 public:
00049         virtual ~TextureResource();
00050 
00054         bool Load(const String& source);
00055 
00057         TextureHandle GetHandle(RenderInterface* render_interface) const;
00059         const Vector2i& GetDimensions(RenderInterface* render_interface) const;
00060 
00062         const String& GetSource() const;
00063 
00065         void Release(RenderInterface* render_interface = NULL);
00066 
00067 protected:
00069         bool Load(RenderInterface* render_interface) const;
00070 
00072         virtual void OnReferenceDeactivate();
00073 
00074 private:
00075         TextureResource();
00076 
00077         String source;
00078 
00079         typedef std::pair< TextureHandle, Vector2i > TextureData;
00080         typedef std::map< RenderInterface*, TextureData > TextureDataMap;
00081         mutable TextureDataMap texture_data;
00082 };
00083 
00084 }
00085 }
00086 
00087 #endif