Crazy Eddie's GUI System  0.8.4
GeometryBuffer.h
00001 /***********************************************************************
00002     created:    Thu Jan 8 2009
00003     author:     Paul D Turner
00004 *************************************************************************/
00005 /***************************************************************************
00006  *   Copyright (C) 2004 - 2010 Paul D Turner & The CEGUI Development Team
00007  *
00008  *   Permission is hereby granted, free of charge, to any person obtaining
00009  *   a copy of this software and associated documentation files (the
00010  *   "Software"), to deal in the Software without restriction, including
00011  *   without limitation the rights to use, copy, modify, merge, publish,
00012  *   distribute, sublicense, and/or sell copies of the Software, and to
00013  *   permit persons to whom the Software is furnished to do so, subject to
00014  *   the following conditions:
00015  *
00016  *   The above copyright notice and this permission notice shall be
00017  *   included in all copies or substantial portions of the Software.
00018  *
00019  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00020  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00021  *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00022  *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
00023  *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
00024  *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
00025  *   OTHER DEALINGS IN THE SOFTWARE.
00026  ***************************************************************************/
00027 #ifndef _CEGUIGeometryBuffer_h_
00028 #define _CEGUIGeometryBuffer_h_
00029 
00030 #include "CEGUI/Base.h"
00031 #include "CEGUI/Renderer.h"
00032 #include "CEGUI/Rect.h"
00033 
00034 // Start of CEGUI namespace section
00035 namespace CEGUI
00036 {
00042 class CEGUIEXPORT GeometryBuffer :
00043     public AllocatedObject<GeometryBuffer>
00044 {
00045 public:
00047     virtual ~GeometryBuffer();
00048 
00053     virtual void draw() const = 0;
00054 
00063     virtual void setTranslation(const Vector3f& v) = 0;
00064 
00073     virtual void setRotation(const Quaternion& r) = 0;
00074 
00083     virtual void setPivot(const Vector3f& p) = 0;
00084 
00089     virtual void setClippingRegion(const Rectf& region) = 0;
00090 
00098     virtual void appendVertex(const Vertex& vertex) = 0;
00099 
00112     virtual void appendGeometry(const Vertex* const vbuff, uint vertex_count)=0;
00113 
00123     virtual void setActiveTexture(Texture* texture) = 0;
00124 
00130     virtual void reset() = 0;
00131 
00141     virtual Texture* getActiveTexture() const = 0;
00142 
00151     virtual uint getVertexCount() const = 0;
00152 
00166     virtual uint getBatchCount() const = 0;
00167 
00182     virtual void setRenderEffect(RenderEffect* effect) = 0;
00183 
00189     virtual RenderEffect* getRenderEffect() = 0;
00190 
00203     virtual void setBlendMode(const BlendMode mode);
00204 
00214     virtual BlendMode getBlendMode() const;
00215 
00226     virtual void setClippingActive(const bool active) = 0;
00227 
00228     /*
00229     \brief
00230         Return whether clipping will be used for the current batch
00231         of vertices being defined.
00232 
00233     \return
00234         - true if vertices subsequently added to the GeometryBuffer will
00235           be clipped to the clipping region defined for this GeometryBuffer.
00236         - false if vertices subsequently added will not be clippled (other than
00237           to the edges of the rendering target).
00238     */
00239     virtual bool isClippingActive() const = 0;
00240 
00241 protected:
00243     GeometryBuffer();
00244 
00246     BlendMode d_blendMode;
00247 };
00248 
00249 } // End of  CEGUI namespace section
00250 
00251 #endif  // end of guard _CEGUIGeometryBuffer_h_
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