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nux  3.0.0
IOpenGLAnimatedTexture.h
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00001 /*
00002  * Copyright 2010 Inalogic® Inc.
00003  *
00004  * This program is free software: you can redistribute it and/or modify it
00005  * under the terms of the GNU Lesser General Public License, as
00006  * published by the  Free Software Foundation; either version 2.1 or 3.0
00007  * of the License.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranties of
00011  * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
00012  * PURPOSE.  See the applicable version of the GNU Lesser General Public
00013  * License for more details.
00014  *
00015  * You should have received a copy of both the GNU Lesser General Public
00016  * License along with this program. If not, see <http://www.gnu.org/licenses/>
00017  *
00018  * Authored by: Jay Taoko <jaytaoko@inalogic.com>
00019  *
00020  */
00021 
00022 
00023 #ifndef IOPENGLANIMATEDTEXTURE_H
00024 #define IOPENGLANIMATEDTEXTURE_H
00025 
00026 namespace nux
00027 {
00028 
00029   class IOpenGLBaseTexture;
00030 
00031 // Note that for Animated texture, the Depth value is the number of frames.
00032 // The number of mipmap levels is always 1;
00033   class IOpenGLAnimatedTexture: public IOpenGLBaseTexture
00034   {
00035     NUX_DECLARE_OBJECT_TYPE(IOpenGLAnimatedTexture, IOpenGLBaseTexture);
00036 
00037   public:
00038     virtual ~IOpenGLAnimatedTexture();
00039 
00040     void GetSurfaceFrame(int Frame, ObjectPtr<IOpenGLSurface>& surface);
00041     ObjectPtr<IOpenGLSurface> GetSurfaceFrame(int Level);
00042 
00043     int LockRect(
00044       int Frame,
00045       SURFACE_LOCKED_RECT *pLockedRect,
00046       const SURFACE_RECT *pRect);
00047 
00048     int UnlockRect(
00049       int Frame
00050     );
00051 
00052     int GetDepth(int MipLevel) const
00053     {
00054       return _Depth;
00055     }
00056 
00057     int GetDesc(ANIMATEDTEXTURE_DESC *pDesc)
00058     {
00059       pDesc->Width    = Max<int> (1, _Width);
00060       pDesc->Height   = Max<int> (1, _Height);
00061       pDesc->Depth    = _Depth;
00062       pDesc->PixelFormat   = _PixelFormat;
00063       pDesc->Type     = _ResourceType;
00064       return OGL_OK;
00065     }
00066 
00067     void PresentFirstFrame();
00068     void PresentNextFrame();
00069     void PresentLastFrame();
00070     int GetFrameTime();
00071     unsigned int GetNumFrame();
00072     void SetFrameTime(int Frame, int time_ms);
00073 
00074   private:
00075     IOpenGLAnimatedTexture(
00076       int Width
00077       , int Height
00078       , int Depth
00079       , BitmapFormat PixelFormat);
00080 
00081     //    unsigned int        _Width;
00082     //    unsigned int        _Height;
00083     //    unsigned int        _Depth;
00084     //std::vector<IOpenGLSurface*> _VolumeArray;
00085 
00086     int _CurrentFrame;
00087     std::vector< ObjectPtr<IOpenGLBaseTexture> > _FrameTextureArray;
00088 
00089     std::vector< int >  _FrameTimeArray;
00090 
00091     friend class GpuDevice;
00092     friend class IOpenGLSurface;
00093   };
00094 }
00095 
00096 #endif // IOPENGLANIMATEDTEXTURE_H