Inventor/image/SbRasterImage.h

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/*=======================================================================
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 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
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**=======================================================================*/
/*=======================================================================
** Author      : C. OGNIER (Jun 2003)
**=======================================================================*/

#ifndef _SBRASTERIMAGE_
#define _SBRASTERIMAGE_


#include <SoDeprecationRules.h>
#include <Inventor/SbLinear.h>
#include <Inventor/sys/SoGLType.h>
#include <Inventor/SbDataType.h>
#include <Inventor/devices/SoBufferObject.h>

#ifdef _WIN32
#pragma warning(push)
#pragma warning(disable:4251)
#endif

class INVENTOR SbRasterImage {


public:

  enum Components {
    UNKNOWN = -1,
    
    LUMINANCE = 1,

    LUMINANCE_TRANSPARENCY = 2,

    RGB = 3, // The default
    
    RGB_TRANSPARENCY = 4,

    RGBE = 5
  };


  enum CopyPolicy {
    COPY = 0,
      NO_COPY = 1,
    NO_COPY_AND_DELETE = 2,
    NO_COPY_AND_FREE = 3
  };


  SbRasterImage();

  SbRasterImage( const SbVec2i32 &size, Components components,
                 SoBufferObject* bufferObject );

  virtual ~SbRasterImage();
 
  void setSize(const SbVec2s& size);

  void setSize_i32(const SbVec2i32& size);

  SbVec2s getSize() const;

  SbVec2i32 getSize_i32() const;

  void setComponents(SbRasterImage::Components comp);

  SbRasterImage::Components getComponents() const;

  int getComponentsSize() const;

  int getComponentsCount() const;

  void setBuffer(SoBufferObject* bufferObject);
  
  SoBufferObject* getBufferObject() const;

  int getNumMipmaps() {return m_numMipmaps;};

  CopyPolicy getCopyPolicy() const;

  SbBool removeAlphaChannel();

#if 1             SoDEPRECATED
  SbRasterImage( const SbVec2s &size, Components components,
                 const unsigned char *bytes, CopyPolicy copy=COPY );SoDEPRECATED
  SbRasterImage( const SbVec2i32 &size, Components components,
                 const unsigned char *bytes, CopyPolicy copy=COPY );
SoDEPRECATED
  void setBuffer(unsigned char* buffer, CopyPolicy copy = COPY);
  SoDEPRECATED
  unsigned char* getBuffer() const;

#endif 
private:

#if 1             SoDEPRECATED
  SbRasterImage( const SbVec2i32 &size, Components components, SbDataType::DataType dataType,
                 const void *bytes, CopyPolicy copy=COPY );

#endif 
  SbRasterImage( const SbVec2i32 &size, Components components, SbDataType::DataType dataType,
                 SoBufferObject* bufferObject );


  void setNumMipmaps(int nmm) {m_numMipmaps = nmm;};

  void setDataType(SbDataType::DataType dataType) {m_dataType = dataType;};
  SbDataType::DataType getDataType() {return m_dataType;};

  void setCompressedInternalFormat(GLenum intFormat) {m_compressedInternalFormat = intFormat;};
  GLenum getCompressedInternalFormat() {return m_compressedInternalFormat;};

private:
  
  int getDataTypeSizeInBytes() const;

private:

  void commonConstructor( const SbVec2i32 &size, Components components, SbDataType::DataType dataType,
                 SoBufferObject* bufferObject );

  SbVec2i32 m_size;
  Components m_components;
  mutable unsigned char* m_buffer;
  SoRef<SoBufferObject> m_bufferObject;
  mutable SoRef<SoCpuBufferObject> m_cpuBufferObject;
  CopyPolicy m_copy;
  int m_numMipmaps;
  GLenum m_compressedInternalFormat;

  SbDataType::DataType m_dataType;
};

#ifdef _WIN32
#pragma warning(pop)
#endif

inline SbRasterImage::CopyPolicy 
SbRasterImage::getCopyPolicy() const
{
  return m_copy;
}

#endif

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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