SoHDRImageRW.h

/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
 ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
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 ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
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 ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
 ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
 ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
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 ***                   COPYRIGHT (C) 1996-2022 BY FEI S.A.S,                        ***
 ***                        BORDEAUX, FRANCE                                        ***
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**=======================================================================*/
/*=======================================================================
** Author      : D. DALLA-ROSA(Jul 2010)
**=======================================================================*/
 
 
#if !defined(SO_HDR_IMAGERW_H)
#define SO_HDR_IMAGERW_H
 
#include <Inventor/image/SoRasterImageRW.h>
#include <Inventor/threads/SbThreadMutex.h>
 
 
class  SoHDRImageRW : public SoRasterImageRW {
 
  SO_IMAGE_RASTER_RW_HEADER()
 
public:
 
  SoHDRImageRW();
 
  virtual ~SoHDRImageRW();
 
  virtual SbBool open(SoRasterImageIO* rasterImageIO, OpenMode openMode);
 
  virtual SbBool write(SbRasterImage* rasterImage, unsigned int xPos = 0, unsigned int yPos = 0);
 
  virtual SbBool writeFooter();
 
  virtual SbBool read(SbRasterImage* rasterImage, SbBool infoOnly = FALSE); 
  virtual SbBool isMultipleBufferInverted() const;
 
  virtual SoRasterImageRW::WriteCapability getWriteCapability() const;
 
  virtual SoRasterImageRW::ReadCapability getReadCapability() const;
 
private:
  virtual bool supportsAlpha() const;
 
private:
 
  virtual void createSuffixList();
 
private:
  static SbThreadMutex s_mutex;
 
  static SbBool readHDRIBuffer(FILE* file, unsigned char* scan, int xmax);
 
  static SbBool checkHDRIHeader(FILE* file, int &ymax, int &xmax);
 
  static SbBool writeData(FILE* file, SbRasterImage* rasterImage );
 
  static SbBool writePixels(FILE* file, unsigned char* data, unsigned long size);
 
  static SbBool writePixelsRLE(FILE* file, unsigned char* data, unsigned long size);
};
 
#endif // SO_HDR_IMAGERW_H