OgrePanelOverlayElement.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2012 Torus Knot Software 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 __PanelOverlayElement_H__
#define __PanelOverlayElement_H__

#include "OgreOverlayContainer.h"

namespace Ogre {


    class _OgreExport PanelOverlayElement : public OverlayContainer
    {
    public:
        PanelOverlayElement(const String& name);
        virtual ~PanelOverlayElement();

        virtual void initialise(void);

        void setTiling(Real x, Real y, ushort layer = 0);

        Real getTileX(ushort layer = 0) const;
        Real getTileY(ushort layer = 0) const;

        void setUV(Real u1, Real v1, Real u2, Real v2);

        void getUV(Real& u1, Real& v1, Real& u2, Real& v2) const;

        void setTransparent(bool isTransparent);

        bool isTransparent(void) const;

        virtual const String& getTypeName(void) const;
        void getRenderOperation(RenderOperation& op);
        void setMaterialName(const String& matName);
        void _updateRenderQueue(RenderQueue* queue);


        class _OgrePrivate CmdTiling : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class _OgrePrivate CmdTransparent : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
        class _OgrePrivate CmdUVCoords : public ParamCommand
        {
        public:
            String doGet(const void* target) const;
            void doSet(void* target, const String& val);
        };
    protected:
        // Flag indicating if this panel should be visual or just group things
        bool mTransparent;
        // Texture tiling
        Real mTileX[OGRE_MAX_TEXTURE_LAYERS];
        Real mTileY[OGRE_MAX_TEXTURE_LAYERS];
        size_t mNumTexCoordsInBuffer;
        Real mU1, mV1, mU2, mV2;

        RenderOperation mRenderOp;

        virtual void updatePositionGeometry(void);

        virtual void updateTextureGeometry(void);

        void addBaseParameters(void);

        static String msTypeName;

        // Command objects
        static CmdTiling msCmdTiling;
        static CmdTransparent msCmdTransparent;
        static CmdUVCoords msCmdUVCoords;

    };
}

#endif