1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/texture.h	Sun Nov 09 13:03:36 2014 +0200
     1.3 @@ -0,0 +1,76 @@
     1.4 +#ifndef TEXTURE_H_
     1.5 +#define TEXTURE_H_
     1.6 +
     1.7 +#include <string>
     1.8 +#include "image.h"
     1.9 +
    1.10 +struct HitPoint;
    1.11 +
    1.12 +class Texture {
    1.13 +public:
    1.14 +	enum class SampleMode { nearest, linear };
    1.15 +	enum class WrapMode { clamp, repeat };
    1.16 +
    1.17 +protected:
    1.18 +	std::string name;
    1.19 +
    1.20 +	SampleMode sampling;
    1.21 +	WrapMode wrapping;
    1.22 +
    1.23 +public:
    1.24 +	Texture();
    1.25 +	virtual ~Texture();
    1.26 +
    1.27 +	virtual void set_name(const char *name);
    1.28 +	virtual const char *get_name() const;
    1.29 +
    1.30 +	virtual Image *get_image(int idx = 0) = 0;
    1.31 +	virtual const Image *get_image(int idx = 0) const = 0;
    1.32 +
    1.33 +	virtual void set_sampling_mode(SampleMode mode);
    1.34 +	virtual SampleMode get_sampling_mode() const;
    1.35 +	virtual void set_wrapping_mode(WrapMode mode);
    1.36 +	virtual WrapMode get_wrapping_mode() const;
    1.37 +
    1.38 +	virtual bool load(const char *fname) = 0;
    1.39 +
    1.40 +	virtual Color sample(float u, float v, float w) const = 0;
    1.41 +	virtual Color sample(const HitPoint &hit) const;
    1.42 +};
    1.43 +
    1.44 +class Texture2D : public Texture {
    1.45 +private:
    1.46 +	Image img;
    1.47 +
    1.48 +public:
    1.49 +	virtual Image *get_image(int idx = 0);
    1.50 +	virtual const Image *get_image(int idx = 0) const;
    1.51 +
    1.52 +	virtual bool load(const char *fname);
    1.53 +
    1.54 +	virtual Color sample(float u, float v, float w) const;
    1.55 +
    1.56 +	friend Texture *load_texture(const char *fname);
    1.57 +};
    1.58 +
    1.59 +class TextureCube : public Texture {
    1.60 +private:
    1.61 +	Image img[6];
    1.62 +
    1.63 +public:
    1.64 +	TextureCube();
    1.65 +
    1.66 +	virtual Image *get_image(int idx = 0);
    1.67 +	virtual const Image *get_image(int idx = 0) const;
    1.68 +
    1.69 +	virtual bool load(const char *fname);
    1.70 +
    1.71 +	virtual Color sample(float u, float v, float w) const;
    1.72 +	virtual Color sample(const HitPoint &hit) const;
    1.73 +
    1.74 +	friend Texture *load_texture(const char *fname);
    1.75 +};
    1.76 +
    1.77 +Texture *load_texture(const char *fname);
    1.78 +
    1.79 +#endif	// TEXTURE_H_