GrayF16ColorSpace.h

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/*
 *  SPDX-FileCopyrightText: 2004-2006 Cyrille Berger <cberger@cberger.net>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
#ifndef COLORSPACE_GRAYSCALE_F16_H_
#define COLORSPACE_GRAYSCALE_F16_H_
 
#include <klocalizedstring.h>
#include <KoColorModelStandardIds.h>
#include "LcmsColorSpace.h"
 
#define TYPE_GRAYA_HALF_FLT         (FLOAT_SH(1)|COLORSPACE_SH(PT_GRAY)|EXTRA_SH(1)|CHANNELS_SH(1)|BYTES_SH(2))
 
struct KoGrayF16Traits;
 
class GrayF16ColorSpace : public LcmsColorSpace<KoGrayF16Traits>
{
public:
    GrayF16ColorSpace(const QString &name, KoColorProfile *p);
 
    bool willDegrade(ColorSpaceIndependence) const override
    {
        return false;
    }
 
    KoID colorModelId() const override
    {
        return GrayAColorModelID;
    }
 
    KoID colorDepthId() const override
    {
        return Float16BitsColorDepthID;
    }
 
    virtual KoColorSpace *clone() const;
 
    void colorToXML(const quint8 *pixel, QDomDocument &doc, QDomElement &colorElt) const override;
 
    void colorFromXML(quint8* pixel, const QDomElement& elt) const override;
    
    void toHSY(const QVector<double> &channelValues, qreal *hue, qreal *sat, qreal *luma) const override;
    QVector <double> fromHSY(qreal *hue, qreal *sat, qreal *luma) const override;
    void toYUV(const QVector<double> &channelValues, qreal *y, qreal *u, qreal *v) const override;
    QVector <double> fromYUV(qreal *y, qreal *u, qreal *v) const override;
 
    static QString colorSpaceId()
    {
        return QStringLiteral("GRAYAF16");
    }
 
    bool hasHighDynamicRange() const override
    {
        return true;
    }
};
 
class GrayF16ColorSpaceFactory : public LcmsColorSpaceFactory
{
public:
    GrayF16ColorSpaceFactory()
        : LcmsColorSpaceFactory(TYPE_GRAYA_HALF_FLT, cmsSigGrayData)
    {
    }
 
    QString id() const override
    {
        return GrayF16ColorSpace::colorSpaceId();
    }
 
    QString name() const override
    {
        return QString("%1 (%2)").arg(GrayAColorModelID.name()).arg(Float16BitsColorDepthID.name());
    }
 
    KoID colorModelId() const override
    {
        return GrayAColorModelID;
    }
 
    KoID colorDepthId() const override
    {
        return Float16BitsColorDepthID;
    }
 
    int referenceDepth() const override
    {
        return 16;
    }
 
    bool userVisible() const override
    {
        return true;
    }
 
    KoColorSpace *createColorSpace(const KoColorProfile *p) const override
    {
        return new GrayF16ColorSpace(name(), p->clone());
    }
 
    QString defaultProfile() const override
    {
        return "Gray-D50-elle-V2-g10.icc";
    }
 
    bool isHdr() const override
    {
        return true;
    }
};
 
#endif // KIS_STRATEGY_COLORSPACE_GRAYSCALE_H_