#ifndef SEEN_SP_COLOR_H

#define SEEN_SP_COLOR_H

#include <string>

typedef unsigned int guint32; // uint is guaranteed to hold up to 2^32 − 1

#define SP_RGBA32_R_U(v) (((v) >> 24) & 0xff)

#define SP_RGBA32_G_U(v) (((v) >> 16) & 0xff)

#define SP_RGBA32_B_U(v) (((v) >> 8) & 0xff)

#define SP_RGBA32_A_U(v) ((v) & 0xff)

#define SP_COLOR_U_TO_F(v) ((v) / 255.0)

#define SP_COLOR_F_TO_U(v) ((unsigned int) ((v) * 255. + .5))

#define SP_RGBA32_R_F(v) SP_COLOR_U_TO_F (SP_RGBA32_R_U (v))

#define SP_RGBA32_G_F(v) SP_COLOR_U_TO_F (SP_RGBA32_G_U (v))

#define SP_RGBA32_B_F(v) SP_COLOR_U_TO_F (SP_RGBA32_B_U (v))

#define SP_RGBA32_A_F(v) SP_COLOR_U_TO_F (SP_RGBA32_A_U (v))

#define SP_RGBA32_U_COMPOSE(r,g,b,a) ((((r) & 0xff) << 24) | (((g) & 0xff) << 16) | (((b) & 0xff) << 8) | ((a) & 0xff))

#define SP_RGBA32_F_COMPOSE(r,g,b,a) SP_RGBA32_U_COMPOSE (SP_COLOR_F_TO_U (r), SP_COLOR_F_TO_U (g), SP_COLOR_F_TO_U (b), SP_COLOR_F_TO_U (a))

struct SVGICCColor;

struct SPColor {

SPColor();

SPColor( SPColor const& other );

SPColor( float r, float g, float b );

SPColor( guint32 value );

virtual ~SPColor();

SPColor& operator= (SPColor const& other);

bool operator == ( SPColor const& other ) const;

bool operator != ( SPColor const& other ) const { return !(*this == other); };

bool isClose( SPColor const& other, float epsilon ) const;

void set( float r, float g, float b );

void set( guint32 value );

guint32 toRGBA32( int alpha ) const;

guint32 toRGBA32( double alpha ) const;

std::string toString() const;

SVGICCColor* icc;

union {

float c[3];

} v;

};

guint32 sp_color_get_rgba32_ualpha (const SPColor *color, guint32 alpha);

guint32 sp_color_get_rgba32_falpha (const SPColor *color, float alpha);

void sp_color_get_rgb_floatv (const SPColor *color, float *rgb);

void sp_color_get_cmyk_floatv (const SPColor *color, float *cmyk);

void sp_color_rgb_to_hsv_floatv (float *hsv, float r, float g, float b);

void sp_color_hsv_to_rgb_floatv (float *rgb, float h, float s, float v);

void sp_color_rgb_to_hsl_floatv (float *hsl, float r, float g, float b);

void sp_color_hsl_to_rgb_floatv (float *rgb, float h, float s, float l);

void sp_color_rgb_to_cmyk_floatv (float *cmyk, float r, float g, float b);

void sp_color_cmyk_to_rgb_floatv (float *rgb, float c, float m, float y, float k);

#endif // SEEN_SP_COLOR_H