diff options
Diffstat (limited to 'source/blender/freestyle/intern/view_map/SilhouetteGeomEngine.h')
| -rw-r--r-- | source/blender/freestyle/intern/view_map/SilhouetteGeomEngine.h | 181 |
1 files changed, 91 insertions, 90 deletions
diff --git a/source/blender/freestyle/intern/view_map/SilhouetteGeomEngine.h b/source/blender/freestyle/intern/view_map/SilhouetteGeomEngine.h index 6e46979026a..306eb3a55be 100644 --- a/source/blender/freestyle/intern/view_map/SilhouetteGeomEngine.h +++ b/source/blender/freestyle/intern/view_map/SilhouetteGeomEngine.h @@ -30,7 +30,7 @@ #include "../system/FreestyleConfig.h" #ifdef WITH_CXX_GUARDEDALLOC -#include "MEM_guardedalloc.h" +# include "MEM_guardedalloc.h" #endif namespace Freestyle { @@ -40,99 +40,100 @@ using namespace Geometry; class SVertex; class FEdge; -class SilhouetteGeomEngine -{ -private: - // The viewpoint under which the silhouette has to be computed - static Vec3r _Viewpoint; - static real _translation[3]; - // the model view matrix (_modelViewMatrix[i][j] means element of line i and column j) - static real _modelViewMatrix[4][4]; - // the projection matrix (_projectionMatrix[i][j] means element of line i and column j) - static real _projectionMatrix[4][4]; - // the global transformation from world to screen (projection included) - // (_transform[i][j] means element of line i and column j) - static real _transform[4][4]; - // the viewport - static int _viewport[4]; - static real _Focal; - - static real _znear; - static real _zfar; - - // GL style (column major) projection matrix - static real _glProjectionMatrix[4][4]; - // GL style (column major) model view matrix - static real _glModelViewMatrix[4][4]; - - static bool _isOrthographicProjection; - - static SilhouetteGeomEngine *_pInstance; - -public: - /*! retrieves an instance on the singleton */ - static SilhouetteGeomEngine *getInstance() - { - if (_pInstance == NULL) { - _pInstance = new SilhouetteGeomEngine; - } - return _pInstance; - } - - /*! Sets the current viewpoint */ - static inline void setViewpoint(const Vec3r& ivp) - { - _Viewpoint = ivp; - } - - /*! Sets the current transformation - * iModelViewMatrix - * The 4x4 model view matrix, in column major order (openGL like). - * iProjection matrix - * The 4x4 projection matrix, in column major order (openGL like). - * iViewport - * The viewport. 4 real array: origin.x, origin.y, width, length - * iFocal - * The focal length - */ - static void setTransform(const real iModelViewMatrix[4][4], const real iProjectionMatrix[4][4], - const int iViewport[4], real iFocal); - - /*! Sets the current znear and zfar */ - static void setFrustum(real iZNear, real iZFar); - - /* accessors */ - static void retrieveViewport(int viewport[4]); - - /*! Projects the silhouette in camera coordinates - * This method modifies the ioEdges passed as argument. - * ioVertices - * The vertices to project. It is modified during the operation. - */ - static void ProjectSilhouette(std::vector<SVertex*>& ioVertices); - static void ProjectSilhouette(SVertex *ioVertex); - - /*! transforms the parameter t defining a 2D intersection for edge fe in order to obtain - * the parameter giving the corresponding 3D intersection. - * Returns the 3D parameter - * fe - * The edge - * t - * The parameter for the 2D intersection. - */ - static real ImageToWorldParameter(FEdge *fe, real t); - - /*! From world to image */ - static Vec3r WorldToImage(const Vec3r& M); - - /*! From camera to image */ - static Vec3r CameraToImage(const Vec3r& M); +class SilhouetteGeomEngine { + private: + // The viewpoint under which the silhouette has to be computed + static Vec3r _Viewpoint; + static real _translation[3]; + // the model view matrix (_modelViewMatrix[i][j] means element of line i and column j) + static real _modelViewMatrix[4][4]; + // the projection matrix (_projectionMatrix[i][j] means element of line i and column j) + static real _projectionMatrix[4][4]; + // the global transformation from world to screen (projection included) + // (_transform[i][j] means element of line i and column j) + static real _transform[4][4]; + // the viewport + static int _viewport[4]; + static real _Focal; + + static real _znear; + static real _zfar; + + // GL style (column major) projection matrix + static real _glProjectionMatrix[4][4]; + // GL style (column major) model view matrix + static real _glModelViewMatrix[4][4]; + + static bool _isOrthographicProjection; + + static SilhouetteGeomEngine *_pInstance; + + public: + /*! retrieves an instance on the singleton */ + static SilhouetteGeomEngine *getInstance() + { + if (_pInstance == NULL) { + _pInstance = new SilhouetteGeomEngine; + } + return _pInstance; + } + + /*! Sets the current viewpoint */ + static inline void setViewpoint(const Vec3r &ivp) + { + _Viewpoint = ivp; + } + + /*! Sets the current transformation + * iModelViewMatrix + * The 4x4 model view matrix, in column major order (openGL like). + * iProjection matrix + * The 4x4 projection matrix, in column major order (openGL like). + * iViewport + * The viewport. 4 real array: origin.x, origin.y, width, length + * iFocal + * The focal length + */ + static void setTransform(const real iModelViewMatrix[4][4], + const real iProjectionMatrix[4][4], + const int iViewport[4], + real iFocal); + + /*! Sets the current znear and zfar */ + static void setFrustum(real iZNear, real iZFar); + + /* accessors */ + static void retrieveViewport(int viewport[4]); + + /*! Projects the silhouette in camera coordinates + * This method modifies the ioEdges passed as argument. + * ioVertices + * The vertices to project. It is modified during the operation. + */ + static void ProjectSilhouette(std::vector<SVertex *> &ioVertices); + static void ProjectSilhouette(SVertex *ioVertex); + + /*! transforms the parameter t defining a 2D intersection for edge fe in order to obtain + * the parameter giving the corresponding 3D intersection. + * Returns the 3D parameter + * fe + * The edge + * t + * The parameter for the 2D intersection. + */ + static real ImageToWorldParameter(FEdge *fe, real t); + + /*! From world to image */ + static Vec3r WorldToImage(const Vec3r &M); + + /*! From camera to image */ + static Vec3r CameraToImage(const Vec3r &M); #ifdef WITH_CXX_GUARDEDALLOC - MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:SilhouetteGeomEngine") + MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:SilhouetteGeomEngine") #endif }; } /* namespace Freestyle */ -#endif // __FREESTYLE_SILHOUETTE_GEOM_ENGINE_H__ +#endif // __FREESTYLE_SILHOUETTE_GEOM_ENGINE_H__ |