include/crbn/image/image.hpp

#ifndef __image_hpp__
#define __image_hpp__

#include <stdio.h>

#include <crbn/basic/basic.h>
#include <crbn/basic/vec2.hpp>
#include <crbn/basic/vec3.hpp>

// TODO: to change to be better.
class Image
{
 public:
  Image() { _width = _height = 0; _data = NULL; }

  uint32 memory() { return sizeof( Image ) + sizeof( vec3 ) * _width * _height; }
  //
  // to create from a good old byte encoded images
  //
  Image( uint32 width, uint32 height, uint8* buffer );
  //
  // to create from a float encoded image
  // if is_sat is true, buffer is considered as already containing
  // a summed area table and copy the pointer
  Image( uint32 width, uint32 height, float* buffer, bool is_sat = false );

  //
  void makeSAT();

  ~Image();

  void eval( vec3& col, vec2& uv, vec2& ab );

 private:
  uint32 _width, _height;
  vec3* _data;
};

#endif // __image_hpp__

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