text: /*=========================================================================
  
    Program:   Visualization Toolkit
    Module:    vtkWebGLObject.h
  
    Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
    All rights reserved.
    See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
  
       This software is distributed WITHOUT ANY WARRANTY; without even
       the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
       PURPOSE.  See the above copyright notice for more information.
  
  =========================================================================*/
  /**
   * @class   vtkWebGLObject
   *
   * vtkWebGLObject represent and manipulate an WebGL object and its data.
   */
  
  #ifndef vtkWebGLObject_h
  #define vtkWebGLObject_h
  
  #include "vtkObject.h"
  #include "vtkWebGLExporterModule.h" // needed for export macro
  
  #include <string> // needed for ID and md5 storing
  
  class vtkMatrix4x4;
  class vtkUnsignedCharArray;
  
  enum WebGLObjectTypes
  {
    wPOINTS = 0,
    wLINES = 1,
    wTRIANGLES = 2
  };
  
  class VTKWEBGLEXPORTER_EXPORT vtkWebGLObject : public vtkObject
  {
  public:
    static vtkWebGLObject* New();
    vtkTypeMacro(vtkWebGLObject, vtkObject);
    void PrintSelf(ostream& os, vtkIndent indent) override;
  
    virtual void GenerateBinaryData();
    virtual unsigned char* GetBinaryData(int part);
    virtual int GetBinarySize(int part);
    virtual int GetNumberOfParts();
  
    /**
     * This is a wrapper friendly method for access the binary data.
     * The binary data for the requested part will be copied into the
     * given vtkUnsignedCharArray.
     */
    void GetBinaryData(int part, vtkUnsignedCharArray* buffer);
  
    void SetLayer(int l);
    void SetRendererId(size_t i);
    void SetId(const std::string& i);
    void SetWireframeMode(bool wireframe);
    void SetVisibility(bool vis);
    void SetTransformationMatrix(vtkMatrix4x4* m);
    void SetIsWidget(bool w);
    void SetHasTransparency(bool t);
    void SetInteractAtServer(bool i);
    void SetType(WebGLObjectTypes t);
    bool isWireframeMode();
    bool isVisible();
    bool HasChanged();
    bool isWidget();
    bool HasTransparency();
    bool InteractAtServer();
  
    std::string GetMD5();
    std::string GetId();
  
    size_t GetRendererId();
    int GetLayer();
  
  protected:
    vtkWebGLObject();
    ~vtkWebGLObject() override;
  
    float Matrix[16];
    size_t rendererId;
    int layer;      // Renderer Layer
    std::string id; // Id of the object
    std::string MD5;
    bool hasChanged;
    bool iswireframeMode;
    bool isvisible;
    WebGLObjectTypes webGlType;
    bool hasTransparency;
    bool iswidget;
    bool interactAtServer;
  
  private:
    vtkWebGLObject(const vtkWebGLObject&) = delete;
    void operator=(const vtkWebGLObject&) = delete;
  };
  
  #endif
  