SoDDSImageRW.h

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**=======================================================================*/
/*=======================================================================
** Author      : C. OGNIER (Jan 2005)
**=======================================================================*/
 
#ifndef _SODDSIMAGERW_
#define _SODDSIMAGERW_
 
 
#include <Inventor/image/SoRasterImageRW.h>
#include <Inventor/threads/SbThreadMutex.h>
 
class  SoDDSImageRW : public SoRasterImageRW {
 
    SO_IMAGE_RASTER_RW_HEADER()
 
public:
 
  SoDDSImageRW();
 
  virtual ~SoDDSImageRW();
 
  virtual SbBool open(SoRasterImageIO* rasterImageIO, OpenMode openMode);
 
  virtual SbBool write(SbRasterImage* rasterImage, unsigned int xPos = 0, unsigned int yPos = 0);
 
  virtual SbBool read(SbRasterImage* rasterImage, SbBool infoOnly = FALSE);
 
  virtual SbBool isMultipleBufferInverted() const;
 
  virtual SoRasterImageRW::WriteCapability getWriteCapability() const;
 
  virtual SoRasterImageRW::ReadCapability getReadCapability() const;
 
 
private:
  virtual void createSuffixList();
 
  void readAndConvert(void* dd, FILE* fp);
 
private:
  static SbThreadMutex s_mutex;
 
  static const size_t s_pixelSize;
 
  static const size_t s_numPixelsPerBlockSide;
 
  bool m_isFlipNeeded;
 
  size_t getBufferSize(size_t topLevelTextureSize, size_t numMipMaps) const;
 
};
 
#endif