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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef ROCKETCORETEXTURERESOURCE_H
#define ROCKETCORETEXTURERESOURCE_H
#include "../../Include/Rocket/Core/ReferenceCountable.h"
#include "../../Include/Rocket/Core/Texture.h"
namespace Rocket {
namespace Core {
/**
A texture resource stores application-generated texture data (handle and dimensions) for each
unique render interface that needs to render the data. It is used through a Texture object.
@author Peter Curry
*/
class TextureResource : public ReferenceCountable
{
friend class TextureDatabase;
public:
virtual ~TextureResource();
/// Attempts to load a texture from the application into the resource. Note that this always
/// succeeds now; as texture loading is now delayed until the texture is accessed by a specific
/// render interface, all this does is store the source.
bool Load(const String& source);
/// Returns the resource's underlying texture handle.
TextureHandle GetHandle(RenderInterface* render_interface) const;
/// Returns the dimensions of the resource's texture.
const Vector2i& GetDimensions(RenderInterface* render_interface) const;
/// Returns the resource's source.
const String& GetSource() const;
/// Releases the texture's handle.
void Release(RenderInterface* render_interface = NULL);
protected:
/// Attempts to load the texture from the source.
bool Load(RenderInterface* render_interface) const;
/// Releases the texture and destroys the resource.
virtual void OnReferenceDeactivate();
private:
TextureResource();
String source;
typedef std::pair< TextureHandle, Vector2i > TextureData;
typedef std::map< RenderInterface*, TextureData > TextureDataMap;
mutable TextureDataMap texture_data;
};
}
}
#endif
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