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/***********************************************************************
created: Tue Feb 17 2009
author: Paul D Turner
*************************************************************************/
/***************************************************************************
* Copyright (C) 2004 - 2011 Paul D Turner & The CEGUI Development Team
*
* 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 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 _CEGUIOgreTexture_h_
#define _CEGUIOgreTexture_h_
#include "../../Texture.h"
#include "CEGUI/RendererModules/Ogre/Renderer.h"
#include <OgreTexture.h>
// Start of CEGUI namespace section
namespace CEGUI
{
//! Implementation of the CEGUI::Texture class for the Ogre engine.
class OGRE_GUIRENDERER_API OgreTexture : public Texture
{
public:
//! Set the underlying Ogre texture.
void setOgreTexture(Ogre::TexturePtr texture, bool take_ownership = false);
//! Return Ogre::TexturePtr for the underlying Ogre texture.
Ogre::TexturePtr getOgreTexture() const;
//! return a Ogre::string containing a unique name.
static Ogre::String getUniqueName();
// implement CEGUI::Texture interface
const String& getName() const;
const Sizef& getSize() const;
const Sizef& getOriginalDataSize() const;
const Vector2f& getTexelScaling() const;
void loadFromFile(const String& filename, const String& resourceGroup);
void loadFromMemory(const void* buffer, const Sizef& buffer_size,
PixelFormat pixel_format);
void blitFromMemory(const void* sourceData, const Rectf& area);
void blitToMemory(void* targetData);
bool isPixelFormatSupported(const PixelFormat fmt) const;
//! convert Ogre::PixelFormat to equivalent CEGUI::Texture::PixelFormat
static Texture::PixelFormat fromOgrePixelFormat(const Ogre::PixelFormat fmt);
//! convert CEGUI::Texture::PixelFormat to equivalent Ogre::PixelFormat
static Ogre::PixelFormat toOgrePixelFormat(const Texture::PixelFormat fmt);
protected:
// we all need a little help from out friends ;)
friend Texture& OgreRenderer::createTexture(const String&);
friend Texture& OgreRenderer::createTexture(const String&, const String&,
const String&);
friend Texture& OgreRenderer::createTexture(const String&, const Sizef&);
friend Texture& OgreRenderer::createTexture(const String&, Ogre::TexturePtr&,
bool);
friend void OgreRenderer::destroyTexture(Texture&);
friend void OgreRenderer::destroyTexture(const String&);
//! standard constructor
OgreTexture(const String& name);
//! construct texture via an image file.
OgreTexture(const String& name, const String& filename,
const String& resourceGroup);
//! construct texture with a specified initial size.
OgreTexture(const String& name, const Sizef& sz);
//! construct texture from existing Ogre texture.
OgreTexture(const String& name, Ogre::TexturePtr& tex, bool take_ownership);
//! destructor.
virtual ~OgreTexture();
//! construct an empty texture
void createEmptyOgreTexture(PixelFormat pixel_format);
//! release the underlying Ogre texture.
void freeOgreTexture();
//! updates cached scale value used to map pixels to texture co-ords.
void updateCachedScaleValues();
//! Counter used to provide unique texture names.
static uint32 d_textureNumber;
//!< The underlying Ogre texture.
Ogre::TexturePtr d_texture;
//! specifies whether d_texture was created externally (not owned by us).
bool d_isLinked;
//! Size of the texture.
Sizef d_size;
//! original pixel of size data loaded into texture
Sizef d_dataSize;
//! cached pixel to texel mapping scale values.
Vector2f d_texelScaling;
//! Name this texture was created with.
const String d_name;
};
} // End of CEGUI namespace section
#endif // end of guard _CEGUIOgreTexture_h_
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