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#ifndef QCOLORSPACE_H
#define QCOLORSPACE_H

#include <QtGui/qtguiglobal.h>
#include <QtGui/qcolortransform.h>
#include <QtCore/qshareddata.h>

QT_BEGIN_NAMESPACE

class QColorSpacePrivate;

class Q_GUI_EXPORT QColorSpace
{
    Q_GADGET
public:
    enum ColorSpaceId {
        Undefined = 0,
        Unknown = 1,
        SRgb,
        SRgbLinear,
        AdobeRgb,
        DisplayP3,
        ProPhotoRgb,
        Bt2020,
    };
    Q_ENUM(ColorSpaceId)
    enum class Gamut {
        Custom = 0,
        SRgb,
        AdobeRgb,
        DciP3D65,
        ProPhotoRgb,
        Bt2020,
    };
    Q_ENUM(Gamut)
    enum class TransferFunction {
        Custom = 0,
        Linear,
        Gamma,
        SRgb,
        ProPhotoRgb,
        Bt2020,
    };
    Q_ENUM(TransferFunction)

    QColorSpace(ColorSpaceId colorSpaceId = Undefined);
    QColorSpace(Gamut gamut, TransferFunction fun, float gamma = 0.0f);
    QColorSpace(Gamut gamut, float gamma);
    ~QColorSpace();

    QColorSpace(QColorSpace &&colorSpace);
    QColorSpace(const QColorSpace &colorSpace);
    QColorSpace &operator=(QColorSpace &&colorSpace);
    QColorSpace &operator=(const QColorSpace &colorSpace);

    ColorSpaceId colorSpaceId() const noexcept;
    Gamut gamut() const noexcept;
    TransferFunction transferFunction() const noexcept;
    float gamma() const noexcept;

    bool isValid() const noexcept;

    friend Q_GUI_EXPORT bool operator==(const QColorSpace &colorSpace1, const QColorSpace &colorSpace2);
    friend inline bool operator!=(const QColorSpace &colorSpace1, const QColorSpace &colorSpace2);

    static QColorSpace fromIccProfile(const QByteArray &iccProfile);
    QByteArray iccProfile() const;

    QColorTransform transformationToColorSpace(const QColorSpace &colorspace) const;

    QColorSpacePrivate *d_func();
    inline const QColorSpacePrivate *d_func() const { return d_ptr.constData(); }

private:
    friend class QColorSpacePrivate;
    QExplicitlySharedDataPointer<QColorSpacePrivate> d_ptr;
};

bool Q_GUI_EXPORT operator==(const QColorSpace &colorSpace1, const QColorSpace &colorSpace2);
inline bool operator!=(const QColorSpace &colorSpace1, const QColorSpace &colorSpace2)
{
    return !(colorSpace1 == colorSpace2);
}

// QColorSpace stream functions
#if !defined(QT_NO_DATASTREAM)
Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QColorSpace &);
Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QColorSpace &);
#endif

#ifndef QT_NO_DEBUG_STREAM
Q_GUI_EXPORT QDebug operator<<(QDebug, const QColorSpace &);
#endif

QT_END_NAMESPACE

#endif // QCOLORSPACE_P_H