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00020 #ifndef COIN_SOOFFSCREENRENDERER_H
00021 #define COIN_SOOFFSCREENRENDERER_H
00022
00023 #include <Inventor/SbViewportRegion.h>
00024 #include <Inventor/SbColor.h>
00025 #include <Inventor/lists/SbList.h>
00026 #include <Inventor/SbString.h>
00027 #include <Inventor/SbName.h>
00028
00029 #include <stdio.h>
00030
00031 class SoBase;
00032 class SoGLRenderAction;
00033 class SoNode;
00034 class SoPath;
00035
00036
00037 class COIN_DLL_API SoOffscreenRenderer {
00038 public:
00039 enum Components {
00040 LUMINANCE = 1,
00041 LUMINANCE_TRANSPARENCY = 2,
00042 RGB = 3,
00043 RGB_TRANSPARENCY = 4
00044 };
00045
00046 SoOffscreenRenderer(const SbViewportRegion & viewportregion);
00047 SoOffscreenRenderer(SoGLRenderAction * action);
00048 ~SoOffscreenRenderer();
00049
00050 static float getScreenPixelsPerInch(void);
00051 static SbVec2s getMaximumResolution(void);
00052 void setComponents(const Components components);
00053 Components getComponents(void) const;
00054 void setViewportRegion(const SbViewportRegion & region);
00055 const SbViewportRegion & getViewportRegion(void) const;
00056 void setBackgroundColor(const SbColor & color);
00057 const SbColor & getBackgroundColor(void) const;
00058 void setGLRenderAction(SoGLRenderAction * action);
00059 SoGLRenderAction * getGLRenderAction(void) const;
00060 SbBool render(SoNode * scene);
00061 SbBool render(SoPath * scene);
00062 unsigned char * getBuffer(void) const;
00063
00064 SbBool writeToRGB(FILE * fp) const;
00065 SbBool writeToPostScript(FILE * fp) const;
00066 SbBool writeToPostScript(FILE * fp, const SbVec2f & printsize) const;
00067
00068 SbBool writeToRGB(const char * filename) const;
00069 SbBool writeToPostScript(const char * filename) const;
00070 SbBool writeToPostScript(const char * filename, const SbVec2f & printsize) const;
00071
00072 SbBool isWriteSupported(const SbName & filetypeextension) const;
00073 int getNumWriteFiletypes(void) const;
00074 void getWriteFiletypeInfo(const int idx,
00075 SbList <SbName> & extlist,
00076 SbString & fullname,
00077 SbString & description);
00078 SbBool writeToFile(const SbString & filename, const SbName & filetypeextension) const;
00079
00080 private:
00081 SbBool renderFromBase(SoBase * base);
00082 void convertBuffer(void);
00083
00084 SbViewportRegion viewport;
00085 SbColor backgroundcolor;
00086 Components components;
00087 SoGLRenderAction * renderaction;
00088 SbBool didallocaction;
00089 class SoOffscreenInternalData * internaldata;
00090 unsigned char * buffer;
00091 };
00092
00093
00094 #endif // !COIN_SOOFFSCREENRENDERER_H