source: GTP/trunk/App/Demos/Illum/PathMap/TexturedMaterial.h @ 896

#pragma once
#include "material.hpp"

/*!
\brief A Material that can be assigned to an Intersectable (typically a TriangleMesh), and contains a texture.
The texture must be square (equal height and width), 32bpp, BGRA.
*/
class TexturedMaterial :
        public Material
{
        unsigned char* pdata;
        int pitch;
        int imageSize;
public:
        /*!
                \brief Constructor.
                \param pdata pointer to the memory containing the image
                \param pitch Number of bytes in a row. (Containg padding zeros, if any.)
                \param textureSize Width and height in pixels. (Width and height must be equal.)
        */
        TexturedMaterial(void* pdata, int pitch, int textureSize);
        ~TexturedMaterial(void);
        Vector getTextureDiffuseBrdf(const Vector& atPoint) const;
        Vector getTextureIdealBrdf(const Vector& atPoint) const;
        float getTextureDiffuseAlbedo(const Vector& uv) const;
        float getTextureIdealAlbedo(const Vector& uv) const;
};