color.h

/*
**  UICore
**  Copyright (c) 1997-2015 The UICore Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries UICore may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
**    Harry Storbacka
**    Mark Page
*/

#pragma once

#include "../../Core/Math/vec4.h"
#include <vector>

namespace uicore
{
    class PixelFormat;
    class Colorf;

    class Color : public Vec4ub
    {
    public:
        Color() {}

        explicit Color(const Colorf&);

        Color(unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha = 255)
            : Vec4ub(red, green, blue, alpha) { return; }

        Color(const std::string &hexstr);

        unsigned char get_alpha() const { return w; }

        unsigned char get_red() const { return x; }

        unsigned char get_green() const { return y; }

        unsigned char get_blue() const { return z; }

        float get_alpha_f() const { return float(w) / 255.0f; }

        float get_red_f() const { return float(x) / 255.0f; }

        float get_green_f() const { return float(y) / 255.0f; }

        float get_blue_f() const { return float(z) / 255.0f; }

        unsigned int get_argb8() const { return (((unsigned int)w) << 24) | (((unsigned int)x) << 16) | (((unsigned int)y) << 8) | (unsigned int)z; }

        unsigned int get_abgr8() const { return (((unsigned int)w) << 24) | (((unsigned int)z) << 16) | (((unsigned int)y) << 8) | (unsigned int)x; }

        unsigned int get_rgba8() const { return (((unsigned int)x) << 24) | (((unsigned int)y) << 16) | (((unsigned int)z) << 8) | (unsigned int)w; }

        unsigned int get_bgra8() const { return (((unsigned int)z) << 24) | (((unsigned int)y) << 16) | (((unsigned int)x) << 8) | (unsigned int)w; }

    // Operations:
    public:
        bool operator==(const Color &c) const
        {
            return (x == c.x) && (y == c.y) && (z == c.z) && (w == c.w);
        }

        bool operator!=(const Color &c) const
        {
            return (x != c.x) || (y != c.y) || (z != c.z) || (w != c.w);
        }

        static Color aliceblue;

        static Color antiquewhite;

        static Color aqua;

        static Color aquamarine;

        static Color azure;

        static Color beige;

        static Color bisque;

        static Color black;

        static Color blanchedalmond;

        static Color blue;

        static Color blueviolet;

        static Color brown;

        static Color burlywood;

        static Color cadetblue;

        static Color chartreuse;

        static Color chocolate;

        static Color coral;

        static Color cornflowerblue;

        static Color cornsilk;

        static Color crimson;

        static Color cyan;

        static Color darkblue;

        static Color darkcyan;

        static Color darkgoldenrod;

        static Color darkgray;

        static Color darkgreen;

        static Color darkgrey;

        static Color darkkhaki;

        static Color darkmagenta;

        static Color darkolivegreen;

        static Color darkorange;

        static Color darkorchid;

        static Color darkred;

        static Color darksalmon;

        static Color darkseagreen;

        static Color darkslateblue;

        static Color darkslategray;

        static Color darkslategrey;

        static Color darkturquoise;

        static Color darkviolet;

        static Color deeppink;

        static Color deepskyblue;

        static Color dimgray;

        static Color dimgrey;

        static Color dodgerblue;

        static Color firebrick;

        static Color floralwhite;

        static Color forestgreen;

        static Color fuchsia;

        static Color gainsboro;

        static Color ghostwhite;

        static Color gold;

        static Color goldenrod;

        static Color gray;

        static Color grey;

        static Color green;

        static Color greenyellow;

        static Color honeydew;

        static Color hotpink;

        static Color indianred;

        static Color indigo;

        static Color ivory;

        static Color khaki;

        static Color lavender;

        static Color lavenderblush;

        static Color lawngreen;

        static Color lemonchiffon;

        static Color lightblue;

        static Color lightcoral;

        static Color lightcyan;

        static Color lightgoldenrodyellow;

        static Color lightgray;

        static Color lightgreen;

        static Color lightgrey;

        static Color lightpink;

        static Color lightsalmon;

        static Color lightseagreen;

        static Color lightskyblue;

        static Color lightslategray;

        static Color lightslategrey;

        static Color lightsteelblue;

        static Color lightyellow;

        static Color lime;

        static Color limegreen;

        static Color linen;

        static Color magenta;

        static Color maroon;

        static Color mediumaquamarine;

        static Color mediumblue;

        static Color mediumorchid;

        static Color mediumpurple;

        static Color mediumseagreen;

        static Color mediumslateblue;

        static Color mediumspringgreen;

        static Color mediumturquoise;

        static Color mediumvioletred;

        static Color midnightblue;

        static Color mintcream;

        static Color mistyrose;

        static Color moccasin;

        static Color navajowhite;

        static Color navy;

        static Color oldlace;

        static Color olive;

        static Color olivedrab;

        static Color orange;

        static Color orangered;

        static Color orchid;

        static Color palegoldenrod;

        static Color palegreen;

        static Color paleturquoise;

        static Color palevioletred;

        static Color papayawhip;

        static Color peachpuff;

        static Color peru;

        static Color pink;

        static Color plum;

        static Color powderblue;

        static Color purple;

        static Color red;

        static Color rosybrown;

        static Color royalblue;

        static Color saddlebrown;

        static Color salmon;

        static Color sandybrown;

        static Color seagreen;

        static Color seashell;

        static Color sienna;

        static Color silver;

        static Color skyblue;

        static Color slateblue;

        static Color slategray;

        static Color slategrey;

        static Color snow;

        static Color springgreen;

        static Color steelblue;

        static Color tan;

        static Color teal;

        static Color thistle;

        static Color tomato;

        static Color turquoise;

        static Color violet;

        static Color wheat;

        static Color white;

        static Color whitesmoke;

        static Color yellow;

        static Color yellowgreen;

        static Color transparent;

        static Color gray10;
        static Color gray20;
        static Color gray30;
        static Color gray40;
        static Color gray50;
        static Color gray60;
        static Color gray70;
        static Color gray80;
        static Color gray90;

        void set_alpha(unsigned char value) { w = value; }

        void set_red(unsigned char value) {  x = value; }

        void set_green(unsigned char value) { y = value; }

        void set_blue(unsigned char value) { z = value; }

        void set_alpha_f(float value) { w = (unsigned char) (value*255.0f); }

        void set_red_f(float value) { x = (unsigned char) (value*255.0f); }

        void set_green_f(float value) { y = (unsigned char) (value*255.0f); }

        void set_blue_f(float value) { z = (unsigned char) (value*255.0f); }

        void set_color(unsigned char new_red, unsigned char new_green, unsigned char new_blue, unsigned char new_alpha = 255)
        {
            x = new_red;
            y = new_green;
            z = new_blue;
            w = new_alpha;
        }

        void set_rgba8(unsigned int color);

        void set_bgra8(unsigned int color);

        void set_rgb8(unsigned int color);

        void set_argb8(unsigned int color);

        void set_colorf(float new_red, float new_green, float new_blue, float new_alpha = 1.0f)
        {
            x = (unsigned char) (new_red * 255.0f);
            y = (unsigned char) (new_green * 255.0f);
            z = (unsigned char) (new_blue * 255.0f);
            w = (unsigned char) (new_alpha * 255.0f);
        }
    };

    class Colorf : public Vec4f
    {
    public:
        Colorf() : Vec4f(0.0f, 0.0f, 0.0f, 0.0f)
        {
        }

        Colorf(float r, float g, float b, float a = 1.0f) : Vec4f(r,g,b,a)
        {
        }

        Colorf(const float *array_rgba)
            : Vec4f((array_rgba[0]), (array_rgba[1]), (array_rgba[2]), (array_rgba[3]))
        {
        }

        Colorf(const Vec4f &color) : Vec4f(color)
        {
        }

        Colorf(unsigned char r, unsigned char g, unsigned char b, unsigned char a=255)
            : Vec4f((r/255.0f), (g/255.0f), (b/255.0f),  (a/255.0f))
        {
        }

        Colorf(int r, int g, int b, int a=255)
            : Vec4f((r/255.0f), (g/255.0f), (b/255.0f), (a/255.0f))
        {
        }

        explicit Colorf(const Color& color)
            : Vec4f((color.get_red()/255.0f), (color.get_green()/255.0f), (color.get_blue()/255.0f), (color.get_alpha()/255.0f))
        {
        }

        Colorf(const std::string &hexstr)
        {
            Colorf::find_color(hexstr, *this);
        }

        float get_red() const { return x; }

        float get_green() const { return y; }

        float get_blue() const { return z; }

        float get_alpha() const { return w; }

        void normalize()
        {
            x = (x < 0.0f) ? 0.0f : ((x > 1.0f) ? 1.0f : x);
            y = (y < 0.0f) ? 0.0f : ((y > 1.0f) ? 1.0f : y);
            z = (z < 0.0f) ? 0.0f : ((z > 1.0f) ? 1.0f : z);
            w = (w < 0.0f) ? 0.0f : ((w > 1.0f) ? 1.0f : w);
        }

        void set_alpha(float value) { w = value; }

        void set_red(float value) { x = value; }

        void set_green(float value) { y = value; }

        void set_blue(float value) { z = value; }

        bool operator==(const Colorf &c) const
        {
            return (x == c.x) && (y == c.y) && (z == c.z) && (w == c.w);
        }

        bool operator!=(const Colorf &c) const
        {
            return (x != c.x) || (y != c.y) || (z != c.z) || (w != c.w);
        }

        operator Color() const
        {
            return Color(*this);
        }

        static bool find_color(const std::string &name, Colorf &out_color);

        static Colorf aliceblue;

        static Colorf antiquewhite;

        static Colorf aqua;

        static Colorf aquamarine;

        static Colorf azure;

        static Colorf beige;

        static Colorf bisque;

        static Colorf black;

        static Colorf blanchedalmond;

        static Colorf blue;

        static Colorf blueviolet;

        static Colorf brown;

        static Colorf burlywood;

        static Colorf cadetblue;

        static Colorf chartreuse;

        static Colorf chocolate;

        static Colorf coral;

        static Colorf cornflowerblue;

        static Colorf cornsilk;

        static Colorf crimson;

        static Colorf cyan;

        static Colorf darkblue;

        static Colorf darkcyan;

        static Colorf darkgoldenrod;

        static Colorf darkgray;

        static Colorf darkgreen;

        static Colorf darkgrey;

        static Colorf darkkhaki;

        static Colorf darkmagenta;

        static Colorf darkolivegreen;

        static Colorf darkorange;

        static Colorf darkorchid;

        static Colorf darkred;

        static Colorf darksalmon;

        static Colorf darkseagreen;

        static Colorf darkslateblue;

        static Colorf darkslategray;

        static Colorf darkslategrey;

        static Colorf darkturquoise;

        static Colorf darkviolet;

        static Colorf deeppink;

        static Colorf deepskyblue;

        static Colorf dimgray;

        static Colorf dimgrey;

        static Colorf dodgerblue;

        static Colorf firebrick;

        static Colorf floralwhite;

        static Colorf forestgreen;

        static Colorf fuchsia;

        static Colorf gainsboro;

        static Colorf ghostwhite;

        static Colorf gold;

        static Colorf goldenrod;

        static Colorf gray;

        static Colorf grey;

        static Colorf green;

        static Colorf greenyellow;

        static Colorf honeydew;

        static Colorf hotpink;

        static Colorf indianred;

        static Colorf indigo;

        static Colorf ivory;

        static Colorf khaki;

        static Colorf lavender;

        static Colorf lavenderblush;

        static Colorf lawngreen;

        static Colorf lemonchiffon;

        static Colorf lightblue;

        static Colorf lightcoral;

        static Colorf lightcyan;

        static Colorf lightgoldenrodyellow;

        static Colorf lightgray;

        static Colorf lightgreen;

        static Colorf lightgrey;

        static Colorf lightpink;

        static Colorf lightsalmon;

        static Colorf lightseagreen;

        static Colorf lightskyblue;

        static Colorf lightslategray;

        static Colorf lightslategrey;

        static Colorf lightsteelblue;

        static Colorf lightyellow;

        static Colorf lime;

        static Colorf limegreen;

        static Colorf linen;

        static Colorf magenta;

        static Colorf maroon;

        static Colorf mediumaquamarine;

        static Colorf mediumblue;

        static Colorf mediumorchid;

        static Colorf mediumpurple;

        static Colorf mediumseagreen;

        static Colorf mediumslateblue;

        static Colorf mediumspringgreen;

        static Colorf mediumturquoise;

        static Colorf mediumvioletred;

        static Colorf midnightblue;

        static Colorf mintcream;

        static Colorf mistyrose;

        static Colorf moccasin;

        static Colorf navajowhite;

        static Colorf navy;

        static Colorf oldlace;

        static Colorf olive;

        static Colorf olivedrab;

        static Colorf orange;

        static Colorf orangered;

        static Colorf orchid;

        static Colorf palegoldenrod;

        static Colorf palegreen;

        static Colorf paleturquoise;

        static Colorf palevioletred;

        static Colorf papayawhip;

        static Colorf peachpuff;

        static Colorf peru;

        static Colorf pink;

        static Colorf plum;

        static Colorf powderblue;

        static Colorf purple;

        static Colorf red;

        static Colorf rosybrown;

        static Colorf royalblue;

        static Colorf saddlebrown;

        static Colorf salmon;

        static Colorf sandybrown;

        static Colorf seagreen;

        static Colorf seashell;

        static Colorf sienna;

        static Colorf silver;

        static Colorf skyblue;

        static Colorf slateblue;

        static Colorf slategray;

        static Colorf slategrey;

        static Colorf snow;

        static Colorf springgreen;

        static Colorf steelblue;

        static Colorf tan;

        static Colorf teal;

        static Colorf thistle;

        static Colorf tomato;

        static Colorf turquoise;

        static Colorf violet;

        static Colorf wheat;

        static Colorf white;

        static Colorf whitesmoke;

        static Colorf yellow;

        static Colorf yellowgreen;

        static Colorf transparent;

        static Colorf gray10;
        static Colorf gray20;
        static Colorf gray30;
        static Colorf gray40;
        static Colorf gray50;
        static Colorf gray60;
        static Colorf gray70;
        static Colorf gray80;
        static Colorf gray90;
    };
}