text: /* Copyright (c) 2011 Khaled Mamou (kmamou at gmail dot com)
   All rights reserved.
   
   
   Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
   
   1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
   
   2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
   
   3. The names of the contributors may not be used to endorse or promote products derived from this software without specific prior written permission.
   
   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  #pragma once
  #ifndef VHACD_H
  #define VHACD_H
  
  #define VHACD_VERSION_MAJOR 2
  #define VHACD_VERSION_MINOR 2
  
  namespace VHACD
  {
      class IVHACD
      {
      public:
          class IUserCallback {
          public:
              virtual                         ~IUserCallback() {};
              virtual void                    Update(const double          overallProgress,
                                                     const double          stageProgress,
                                                     const double          operationProgress,
                                                     const char * const    stage,
                                                     const char * const    operation) = 0;
          };
  
          class IUserLogger {
          public:
              virtual                         ~IUserLogger() {};
              virtual void                    Log(const char * const msg) = 0;
          };
  
          class ConvexHull {
          public:
              double *                        m_points;
              int    *                        m_triangles;
              unsigned int                    m_nPoints;
              unsigned int                    m_nTriangles;
          };
  
          class Parameters {
          public:
                                              Parameters(void) { Init(); }
              void                            Init(void)
                                              {
                                                  m_resolution              = 100000;
                                                  m_depth                   = 20;
                                                  m_concavity               = 0.001;
                                                  m_delta                   = 0.05;
                                                  m_planeDownsampling       = 4;
                                                  m_convexhullDownsampling  = 4;
                                                  m_alpha                   = 0.05;
                                                  m_beta                    = 0.05;
                                                  m_gamma                   = 0.0005;
                                                  m_pca                     = 0;
                                                  m_mode                    = 0; // 0: voxel-based (recommended), 1: tetrahedron-based
                                                  m_maxNumVerticesPerCH     = 64;
                                                  m_minVolumePerCH          = 0.0001;
                                                  m_callback                = 0;
                                                  m_logger                  = 0;
                                                  m_convexhullApproximation = true;
                                                  m_oclAcceleration         = true;
                                              }
              double                          m_concavity;
              double                          m_alpha;
              double                          m_beta;
              double                          m_gamma;
              double                          m_delta;
              double                          m_minVolumePerCH;
              IUserCallback *                 m_callback;
              IUserLogger *                   m_logger;
              unsigned int                    m_resolution;
              unsigned int                    m_maxNumVerticesPerCH;
              int                             m_depth;
              int                             m_planeDownsampling;
              int                             m_convexhullDownsampling;
              int                             m_pca;
              int                             m_mode;
              int                             m_convexhullApproximation;
              int                             m_oclAcceleration;
          };
  
          virtual void                        Cancel() = 0;
          virtual bool                        Compute(const float * const points,
                                                      const unsigned int  stridePoints,
                                                      const unsigned int  countPoints,
                                                      const int   * const triangles,
                                                      const unsigned int  strideTriangles,
                                                      const unsigned int    countTriangles,
                                                      const Parameters &  params) = 0;
          virtual bool                        Compute(const double * const points,
                                                      const unsigned int  stridePoints,
                                                      const unsigned int  countPoints,
                                                      const int   * const triangles,
                                                      const unsigned int  strideTriangles,
                                                      const unsigned int    countTriangles,
                                                      const Parameters &  params) = 0;
          virtual unsigned int                GetNConvexHulls() const = 0;
          virtual void                        GetConvexHull(const unsigned int index, ConvexHull & ch) const = 0;
          virtual void                        Clean(void) = 0; // release internally allocated memory
          virtual void                        Release(void) = 0; // release IVHACD
          virtual bool                        OCLInit(void *        const oclDevice, 
                                                      IUserLogger * const logger = 0) = 0;
          virtual bool                        OCLRelease(IUserLogger * const logger = 0) = 0;
  
      protected:
          virtual                             ~IVHACD(void) {}
      };
      IVHACD *                                CreateVHACD(void);
  }
  #endif // VHACD_H