web_color.h

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#ifndef LH_WEB_COLOR_H
#define LH_WEB_COLOR_H
 
namespace litehtml
{
    class document_container;
 
    struct web_color
    {
        byte red   = 0;
        byte green = 0;
        byte blue  = 0;
        byte alpha = 255;
        bool is_current_color = false;
 
        static const web_color transparent;
        static const web_color black;
        static const web_color white;
        static const web_color current_color;
 
        web_color() {}
        web_color(byte r, byte g, byte b, byte a = 255) : red(r), green(g), blue(b), alpha(a) {}
        web_color(bool is_current_color) : is_current_color(is_current_color) {}
 
        bool operator==(web_color color) const { return red == color.red && green == color.green && blue == color.blue && alpha == color.alpha; }
        bool operator!=(web_color color) const { return !(*this == color); }
 
        web_color darken(double fraction) const;
        string to_string() const;
    };
 
    bool parse_color(const css_token& token, web_color& color, document_container* container);
}
 
#endif  // LH_WEB_COLOR_H