//----------------------------------------------------------------------------
// William Baxter III's Ray Tracer
//
//     Project for Comp 238, Raster Graphics
//     University of North Carolina at Chapel Hill
//     
// $Id:$
//----------------------------------------------------------------------------

#ifndef WB3TEXTUREIMAGE_H
#define WB3TEXTUREIMAGE_H

//----------------------------------------------------------------------------
// The TextureImage class encapsulates access to bitmap texture
// data, and allows sharing of that data by several Texture objects.
//----------------------------------------------------------------------------

// Colosseum Image Library Headers
#include <bitmapimage.h>
#include <imagetype.h>

// Math stuff
#include <vec2f.hpp>
#include <vec3f.hpp>

class wb3TextureImage
{
public:
  wb3TextureImage();
  ~wb3TextureImage();

  void LoadFromFile(const char *filename);
  Vec3f &GetValue(Vec3f &ret, const Vec2f& UV, bool bilerp = false);

protected:
  Colosseum::BitmapImage m_img;
};

//----------------------------------------------------------------------------
inline void wb3TextureImage::LoadFromFile(const char *filename)
{
  Colosseum::ReadImage(filename, m_img, 0, 0);
}

#endif