Source/WebCore/platform/graphics/ExtendedColor.h

/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include "ColorSpace.h"

#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

class ExtendedColor : public RefCounted<ExtendedColor> {
public:
    static Ref<ExtendedColor> create(float r, float g, float b, float a, ColorSpace = ColorSpace::ColorSpaceSRGB);

    float red() const { return m_red; }
    float green() const { return m_green; }
    float blue() const { return m_blue; }
    float alpha() const { return m_alpha; }

    ColorSpace colorSpace() const { return m_colorSpace; }

    WEBCORE_EXPORT String cssText() const;

private:
    ExtendedColor(float r, float g, float b, float a, ColorSpace colorSpace)
        : m_red(r)
        , m_green(g)
        , m_blue(b)
        , m_alpha(a)
        , m_colorSpace(colorSpace)
    { }

    float m_red { 0 };
    float m_green { 0 };
    float m_blue { 0 };
    float m_alpha { 0 };

    ColorSpace m_colorSpace { ColorSpace::ColorSpaceSRGB };
};

}