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https://github.com/worldforge/ember
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115 lines
5 KiB
C++
115 lines
5 KiB
C++
/***********************************************************************
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created: Tue Feb 17 2009
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author: Paul D Turner
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*************************************************************************/
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/***************************************************************************
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* Copyright (C) 2004 - 2011 Paul D Turner & The CEGUI Development Team
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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***************************************************************************/
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#ifndef _CEGUIOgreTexture_h_
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#define _CEGUIOgreTexture_h_
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#include <CEGUI/Texture.h>
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#include "Renderer.h"
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#include <OgreTexture.h>
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// Start of CEGUI namespace section
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namespace CEGUI
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{
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//! Implementation of the CEGUI::Texture class for the Ogre engine.
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class OGRE_GUIRENDERER_API OgreTexture : public Texture
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{
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public:
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//! Set the underlying Ogre texture.
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void setOgreTexture(Ogre::TexturePtr texture, bool take_ownership = false);
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//! Return Ogre::TexturePtr for the underlying Ogre texture.
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Ogre::TexturePtr getOgreTexture() const;
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//! return a Ogre::string containing a unique name.
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static Ogre::String getUniqueName();
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// implement CEGUI::Texture interface
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const String& getName() const;
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const Sizef& getSize() const;
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const Sizef& getOriginalDataSize() const;
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const Vector2f& getTexelScaling() const;
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void loadFromFile(const String& filename, const String& resourceGroup);
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void loadFromMemory(const void* buffer, const Sizef& buffer_size,
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PixelFormat pixel_format);
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void blitFromMemory(const void* sourceData, const Rectf& area);
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void blitToMemory(void* targetData);
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bool isPixelFormatSupported(const PixelFormat fmt) const;
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//! convert Ogre::PixelFormat to equivalent CEGUI::Texture::PixelFormat
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static Texture::PixelFormat fromOgrePixelFormat(const Ogre::PixelFormat fmt);
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//! convert CEGUI::Texture::PixelFormat to equivalent Ogre::PixelFormat
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static Ogre::PixelFormat toOgrePixelFormat(const Texture::PixelFormat fmt);
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protected:
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// we all need a little help from out friends ;)
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friend Texture& OgreRenderer::createTexture(const String&);
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friend Texture& OgreRenderer::createTexture(const String&, const String&,
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const String&);
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friend Texture& OgreRenderer::createTexture(const String&, const Sizef&);
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friend Texture& OgreRenderer::createTexture(const String&, Ogre::TexturePtr&,
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bool);
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friend void OgreRenderer::destroyTexture(Texture&);
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friend void OgreRenderer::destroyTexture(const String&);
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//! standard constructor
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OgreTexture(const String& name);
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//! construct texture via an image file.
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OgreTexture(const String& name, const String& filename,
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const String& resourceGroup);
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//! construct texture with a specified initial size.
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OgreTexture(const String& name, const Sizef& sz);
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//! construct texture from existing Ogre texture.
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OgreTexture(const String& name, Ogre::TexturePtr& tex, bool take_ownership);
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//! destructor.
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virtual ~OgreTexture();
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//! construct an empty texture
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void createEmptyOgreTexture(PixelFormat pixel_format);
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//! release the underlying Ogre texture.
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void freeOgreTexture();
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//! updates cached scale value used to map pixels to texture co-ords.
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void updateCachedScaleValues();
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//! Counter used to provide unique texture names.
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static uint32 d_textureNumber;
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//!< The underlying Ogre texture.
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Ogre::TexturePtr d_texture;
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//! specifies whether d_texture was created externally (not owned by us).
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bool d_isLinked;
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//! Size of the texture.
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Sizef d_size;
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//! original pixel of size data loaded into texture
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Sizef d_dataSize;
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//! cached pixel to texel mapping scale values.
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Vector2f d_texelScaling;
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//! Name this texture was created with.
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const String d_name;
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};
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} // End of CEGUI namespace section
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#endif // end of guard _CEGUIOgreTexture_h_
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