nuclear@0: #ifndef IMAGE_H_
nuclear@0: #define IMAGE_H_
nuclear@0: 
nuclear@0: class Image {
nuclear@0: private:
nuclear@0: 	mutable int tex_width, tex_height;
nuclear@0: 	mutable unsigned int tex;
nuclear@0: 	mutable bool tex_valid;
nuclear@0: 
nuclear@0: public:
nuclear@0: 	int width, height;
nuclear@0: 	unsigned char *pixels;
nuclear@0: 
nuclear@0: 	Image();
nuclear@0: 	~Image();
nuclear@0: 
nuclear@0: 	Image(const Image &img);
nuclear@0: 	Image &operator =(const Image &img);
nuclear@0: 
nuclear@0: 	bool create(int width, int height, unsigned char *pixels = 0);
nuclear@0: 	void destroy();
nuclear@0: 
nuclear@0: 	bool load(const char *fname);
nuclear@0: 	bool save(const char *fname) const;
nuclear@0: 
nuclear@0: 	unsigned int texture() const;
nuclear@0: 	int texture_width() const;
nuclear@0: 	int texture_height() const;
nuclear@0: 
nuclear@0: 	void invalidate_texture();
nuclear@0: };
nuclear@0: 
nuclear@0: void clear_image(Image *img);
nuclear@0: void clear_image(Image *img, float r, float g, float b, float a = 255);
nuclear@0: void clear_image_alpha(Image *img, float a);
nuclear@0: 
nuclear@0: enum ImgCombine {
nuclear@0: 	IMG_OP_ADD,
nuclear@0: 	IMG_OP_SUB,
nuclear@0: 	IMG_OP_MUL,
nuclear@0: 	IMG_OP_LERP
nuclear@0: };
nuclear@0: 
nuclear@0: bool combine_image(Image *dest, const Image *aimg, const Image *bimg, ImgCombine op = IMG_OP_LERP, float t = 0.5);
nuclear@0: 
nuclear@0: void convolve_horiz_image(Image *dest, float *kern, int ksz, float scale = 0.0);
nuclear@0: void convolve_vert_image(Image *dest, float *kern, int ksz, float scale = 0.0);
nuclear@0: 
nuclear@0: #endif	// IMAGE_H_