RendererModules/Null/Renderer.h

/***********************************************************************
    created:    Fri Jan 15 2010
    author:     Eugene Marcotte
*************************************************************************/
/***************************************************************************
 *   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 _CEGUINullRenderer_h_
#define _CEGUINullRenderer_h_

#include "../../Renderer.h"
#include "../../Size.h"
#include "../../Vector.h"

#include <vector>
#include <map>

#if (defined( __WIN32__ ) || defined( _WIN32 )) && !defined(CEGUI_STATIC)
#   ifdef CEGUINULLRENDERER_EXPORTS
#       define NULL_GUIRENDERER_API __declspec(dllexport)
#   else
#       define NULL_GUIRENDERER_API __declspec(dllimport)
#   endif
#else
#   define NULL_GUIRENDERER_API
#endif

#if defined(_MSC_VER)
#   pragma warning(push)
#   pragma warning(disable : 4251)
#endif


// Start of CEGUI namespace section
namespace CEGUI
{
class NullGeometryBuffer;
class NullTexture;

class NULL_GUIRENDERER_API NullRenderer : public Renderer
{
public:
    static NullRenderer& bootstrapSystem(const int abi = CEGUI_VERSION_ABI);
    
    static void destroySystem();

    static NullRenderer& create(const int abi = CEGUI_VERSION_ABI);

    static void destroy(NullRenderer& renderer);
    
    bool isTexCoordSystemFlipped() const { return false; }

    // implement CEGUI::Renderer interface
    RenderTarget& getDefaultRenderTarget();
    GeometryBuffer& createGeometryBuffer();
    void destroyGeometryBuffer(const GeometryBuffer& buffer);
    void destroyAllGeometryBuffers();
    TextureTarget* createTextureTarget();
    void destroyTextureTarget(TextureTarget* target);
    void destroyAllTextureTargets();
    Texture& createTexture(const String& name);
    Texture& createTexture(const String& name,
                           const String& filename,
                           const String& resourceGroup);
    Texture& createTexture(const String& name, const Sizef& size);
    void destroyTexture(Texture& texture);
    void destroyTexture(const String& name);
    void destroyAllTextures();
    Texture& getTexture(const String& name) const;
    bool isTextureDefined(const String& name) const;
    void beginRendering();
    void endRendering();
    void setDisplaySize(const Sizef& sz);
    const Sizef& getDisplaySize() const;
    const Vector2f& getDisplayDPI() const;
    uint getMaxTextureSize() const;
    const String& getIdentifierString() const;

protected:
    NullRenderer();
        void constructor_impl();
    virtual ~NullRenderer();

    void throwIfNameExists(const String& name) const;
    static void logTextureCreation(const String& name);
    static void logTextureDestruction(const String& name);

    static String d_rendererID;
    Sizef d_displaySize;
    Vector2f d_displayDPI;
    RenderTarget* d_defaultTarget;
    typedef std::vector<TextureTarget*> TextureTargetList;
    TextureTargetList d_textureTargets;
    typedef std::vector<NullGeometryBuffer*> GeometryBufferList;
    GeometryBufferList d_geometryBuffers;
    typedef std::map<String, NullTexture*, StringFastLessCompare
                     CEGUI_MAP_ALLOC(String, NullTexture*)> TextureMap;
    TextureMap d_textures;
    uint d_maxTextureSize;
};


} // End of  CEGUI namespace section

#if defined(_MSC_VER)
#   pragma warning(pop)
#endif

#endif  // end of guard _CEGUINullRenderer_h_