SoGLBigImage.h

#ifndef COIN_SOGLBIGIMAGE_H
#define COIN_SOGLBIGIMAGE_H

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#include <Inventor/SbBasic.h>
#include <Inventor/SbVec2s.h>
#include <Inventor/SbVec2f.h>
#include <Inventor/misc/SoGLImage.h>

class COIN_DLL_API SoGLBigImage : public SoGLImage {
  typedef SoGLImage inherited;

public:

  SoGLBigImage();
  virtual void unref(SoState * state = NULL);

  static SoType getClassTypeId(void);
  virtual SoType getTypeId(void) const ;

  virtual void setData(const SbImage * image,
                       const Wrap wraps = REPEAT,
                       const Wrap wrapt = REPEAT,
                       const float quality = 0.5f,
                       const int border = 0,
                       SoState * createinstate = NULL);

  virtual void setData(const SbImage * image,
                       const Wrap wraps,
                       const Wrap wrapt,
                       const Wrap wrapr,
                       const float quality = 0.5f,
                       const int border = 0,
                       SoState * createinstate = NULL);

  int initSubImages(const SbVec2s & subimagesize) const;
  void handleSubImage(const int idx, SbVec2f & start, SbVec2f & end,
                      SbVec2f & tcmul);
  void applySubImage(SoState * state, const int idx, const float quality,
                     const SbVec2s & projsize);
  SbBool exceededChangeLimit(void);
  static int setChangeLimit(const int limit);

  // will return NULL to avoid that SoGLTextureImageElement will
  // update the texture state.
  virtual SoGLDisplayList * getGLDisplayList(SoState * state);


protected:
  virtual void unrefOldDL(SoState * state, const uint32_t maxage);

public:
  static void initClass(void);

private:
  virtual ~SoGLBigImage();

  class SoGLBigImageP * pimpl;
  friend class SoGLBigImageP;
};

#endif // !COIN_SOGLBIGIMAGE_H