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Diffstat (limited to 'source/blender/freestyle/intern/view_map/FEdgeXDetector.h')
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1 files changed, 198 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/view_map/FEdgeXDetector.h b/source/blender/freestyle/intern/view_map/FEdgeXDetector.h new file mode 100755 index 00000000000..d73a086f81d --- /dev/null +++ b/source/blender/freestyle/intern/view_map/FEdgeXDetector.h @@ -0,0 +1,198 @@ +// +// Filename : FEdgeXDetector.h +// Author(s) : Stephane Grabli +// Purpose : Detects/flags/builds extended features edges on the +// WXEdge structure +// Date of creation : 26/10/2003 +// +/////////////////////////////////////////////////////////////////////////////// + + +// +// Copyright (C) : Please refer to the COPYRIGHT file distributed +// with this source distribution. +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +// +/////////////////////////////////////////////////////////////////////////////// + + +#ifndef FEDGEXDETECTOR_H +# define FEDGEXDETECTOR_H + +# include <vector> +# include "../system/FreestyleConfig.h" +# include "../geometry/Geom.h" +# include "../winged_edge/WXEdge.h" +# include "../winged_edge/Curvature.h" +# include "../system/ProgressBar.h" + +using namespace Geometry; + +/*! This class takes as input a WXEdge structure and fills it + */ + +class LIB_VIEW_MAP_EXPORT FEdgeXDetector +{ +public: + + FEdgeXDetector() { + _pProgressBar = 0; + _computeViewIndependant = true; + _bbox_diagonal = 1.0; + _meanEdgeSize = 0; + _computeRidgesAndValleys = true; + _computeSuggestiveContours = true; + _computeMaterialBoundaries = true; + _sphereRadius = 1.0; + _orthographicProjection = false; + _faceSmoothness = false; + _changes = false; + _kr_derivative_epsilon = 0.0; + _creaseAngle = 0.7; // angle of 134.43 degrees + } + virtual ~FEdgeXDetector() {} + + /*! Process shapes from a WingedEdge containing a list of WShapes */ + virtual void processShapes(WingedEdge&); + + // GENERAL STUFF + virtual void preProcessShape(WXShape* iShape); + virtual void preProcessFace(WXFace* iFace); + virtual void computeCurvatures(WXVertex *iVertex); + + // SILHOUETTE + virtual void processSilhouetteShape(WXShape* iShape); + virtual void ProcessSilhouetteFace(WXFace *iFace); + virtual void ProcessSilhouetteEdge(WXEdge *iEdge); + + // CREASE + virtual void processCreaseShape(WXShape* iShape); + virtual void ProcessCreaseEdge(WXEdge *iEdge); + /*! Sets the minimum angle for detecting crease edges + * \param angle + * The angular threshold in degrees (between 0 and 180) for detecting crease + * edges. An edge is considered a crease edge if the angle between two faces + * sharing the edge is smaller than the given threshold. + */ + inline void setCreaseAngle(real angle) { + if (angle < 0.0) + angle = 0.0; + else if (angle > 180.0) + angle = 180.0; + angle = cos(M_PI * (180.0 - angle) / 180.0); + if (angle != _creaseAngle){ + _creaseAngle = angle; + _changes = true; + } + } + + // BORDER + virtual void processBorderShape(WXShape* iShape); + virtual void ProcessBorderEdge(WXEdge *iEdge); + + // RIDGES AND VALLEYS + virtual void processRidgesAndValleysShape(WXShape* iShape); + virtual void ProcessRidgeFace(WXFace *iFace); + + // SUGGESTIVE CONTOURS + virtual void processSuggestiveContourShape(WXShape* iShape); + virtual void ProcessSuggestiveContourFace(WXFace *iFace); + virtual void postProcessSuggestiveContourShape(WXShape* iShape); + virtual void postProcessSuggestiveContourFace(WXFace *iFace); + /*! Sets the minimal derivative of the radial curvature for suggestive contours + * \param dkr + * The minimal derivative of the radial curvature + */ + inline void setSuggestiveContourKrDerivativeEpsilon(real dkr) { + if (dkr != _kr_derivative_epsilon){ + _kr_derivative_epsilon = dkr; + _changes = true; + } + } + + // MATERIAL BOUNDARY + virtual void processMaterialBoundaryShape(WXShape* iWShape); + virtual void ProcessMaterialBoundaryEdge(WXEdge *iEdge); + + // EDGE MARKS + virtual void processEdgeMarksShape(WXShape* iShape); + virtual void ProcessEdgeMarks(WXEdge *iEdge); + + // EVERYBODY + virtual void buildSmoothEdges(WXShape* iShape); + + /*! Sets the current viewpoint */ + inline void setViewpoint(const Vec3r& ivp) {_Viewpoint = ivp;} + inline void enableOrthographicProjection(bool b) {_orthographicProjection = b;} + inline void enableRidgesAndValleysFlag(bool b) {_computeRidgesAndValleys = b;} + inline void enableSuggestiveContours(bool b) {_computeSuggestiveContours = b;} + inline void enableMaterialBoundaries(bool b) {_computeMaterialBoundaries = b;} + inline void enableFaceSmoothness(bool b) { + if (b != _faceSmoothness) { + _faceSmoothness = b; + _changes=true; + } + } + inline void enableFaceMarks(bool b) { + if (b != _faceMarks) { + _faceMarks = b; + _changes=true; + } + } + /*! Sets the radius of the geodesic sphere around each vertex (for the curvature computation) + * \param r + * The radius of the sphere expressed as a ratio of the mean edge size + */ + inline void setSphereRadius(real r) { + if(r!=_sphereRadius){ + _sphereRadius = r; + _changes=true; + } + } + + inline void setProgressBar(ProgressBar *iProgressBar) {_pProgressBar = iProgressBar;} + +protected: + + Vec3r _Viewpoint; + real _bbox_diagonal; // diagonal of the current processed shape bbox + //oldtmp values + bool _computeViewIndependant; + real _meanK1; + real _meanKr; + real _minK1; + real _minKr; + real _maxK1; + real _maxKr; + unsigned _nPoints; + real _meanEdgeSize; + bool _orthographicProjection; + + bool _computeRidgesAndValleys; + bool _computeSuggestiveContours; + bool _computeMaterialBoundaries; + bool _faceSmoothness; + bool _faceMarks; + real _sphereRadius; // expressed as a ratio of the mean edge size + real _creaseAngle; // [-1, 1] compared with the inner product of face normals + bool _changes; + + real _kr_derivative_epsilon; + + ProgressBar *_pProgressBar; +}; + +#endif // FEDGEDXETECTOR_H |