Inventor/nodes/SoExtTexture2.h

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/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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 ***                   COPYRIGHT (C) 1996-2014 BY FEI S.A.S,                        ***
 ***                        BORDEAUX, FRANCE                                        ***
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**=======================================================================*/
/*=======================================================================
** Author      : C. OGNIER (Oct 2000)
**=======================================================================*/

#ifndef _SO_EXTTEXTURE_2_
#define _SO_EXTTEXTURE_2_

#include <Inventor/nodes/SoTexture.h>
#include <Inventor/fields/SoSFInt32.h>
#include <Inventor/fields/SoSFFilePathString.h>
#include <Inventor/fields/SoSFTime.h>
#include <Inventor/threads/SbThreadStorage.h>

#include <Inventor/image/SbRasterImage.h>
#include <Inventor/sys/SoGLType.h>

class SoSensor;
class SoDither;

#ifdef _MSC_VER
#pragma warning( push )
#pragma warning(disable:4251)
#endif

//
//  Class: SoExtTexture2
//
//  Extented 2D Texture node.
//

class SoExtTexture2;
typedef SbBool ExtPrequalifyFileCallback(const SbString &, void *, SoExtTexture2 *);

SO_PIMPL_PUBLIC_DECLARATION(SoExtTexture2);

class  SoExtTexture2 : public SoTexture {
  
  SO_NODE_HEADER(SoExtTexture2);

  SO_PIMPL_PUBLIC_HEADER(SoExtTexture2);
  
 public:
  typedef void SoExtTexture2CB(void *userData, SoExtTexture2 *tex);

   enum Sync 
   {
    SYNCHRONOUS = 0,

    ASYNCHRONOUS
  };

  enum Loading {    
    AUTO = 0,

    MANUAL
  };

  SoSFFilePathString filename;

  SoSFEnum wrapT;

  SoSFBool loadingStatus;

  SoSFEnum syncMode;

  SoSFEnum loadingMode;

  SoSFInt32 loadingThreadPriority;

  SoExtTexture2();

  static void setPrequalifyFileCallBack(ExtPrequalifyFileCallback *p_cb, void *u_data);

  void allowPrequalifyFile(SbBool);
  
  void getImageSize(SbVec2s &size, int &nc);
  
  static void setMemorySpace(double megaBytes);

  static double getMemorySpace();

  static double getGlobalMemoryUsed();
  
  static void useTexturePalette(SbBool value);
  
  // Load callbacks
  
  void addOnLoadStartCB(SoExtTexture2CB* cb, void* userData);
  
  void addOnLoadFinishCB(SoExtTexture2CB* cb, void* userData);
  
  void addOnUnloadCB(SoExtTexture2CB* cb, void* userData);

  // Manual loading
  
  void loadTexture();

 private:
  virtual void doAction(SoAction *action);
  virtual void GLRender(SoGLRenderAction *action);
  virtual void write(SoWriteAction* action);
  
 private:
  
  static void initClass();
  static void exitClass();
    
  // Get system time at last traversal
  SoSFTime sysTime;
  
  // Manages field dependencies, when one of them change
  virtual void fieldHasChanged( SoField *field ); // override of SoFieldContainer

  virtual void copyContents(const SoFieldContainer *fromFC, 
                          SbBool copyConnections);

 private:

  // Reads stuff into instance. Returns FALSE on error.
  virtual SbBool readInstance(SoInput *in, unsigned short flags);
  
  virtual ~SoExtTexture2();
   

};

#ifdef _MSC_VER
#pragma warning( pop )
#endif

#endif /* _SO_EXTTEXTURE_2_ */

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Open Inventor Toolkit reference manual, generated on 15 Mar 2023
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