YCbCrU8ColorSpace.h

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/*
 *  SPDX-FileCopyrightText: 2007 Cyrille Berger (cberger@cberger.net)
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
*/
 
#ifndef KIS_YCBCR_U8_COLORSPACE_H_
#define KIS_YCBCR_U8_COLORSPACE_H_
 
#include <LcmsColorSpace.h>
 
#include <KoColorModelStandardIds.h>
 
#define TYPE_YCbCrA_8 (COLORSPACE_SH(PT_YCbCr)|CHANNELS_SH(3)|BYTES_SH(1)|EXTRA_SH(1))
 
struct KoYCbCrU8Traits;
 
class YCbCrU8ColorSpace : public LcmsColorSpace<KoYCbCrU8Traits>
{
public:
 
    YCbCrU8ColorSpace(const QString &name, KoColorProfile *p);
 
    bool willDegrade(ColorSpaceIndependence independence) const override;
 
    static QString colorSpaceId()
    {
        return QStringLiteral("YCBCRA8");
    }
 
    KoID colorModelId() const override
    {
        return YCbCrAColorModelID;
    }
 
    KoID colorDepthId() const override
    {
        return Integer8BitsColorDepthID;
    }
 
    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;
 
};
 
class YCbCrU8ColorSpaceFactory : public LcmsColorSpaceFactory
{
public:
 
    YCbCrU8ColorSpaceFactory() : LcmsColorSpaceFactory(TYPE_YCbCrA_8, cmsSigYCbCrData)
    {
    }
 
    QString id() const override
    {
        return YCbCrU8ColorSpace::colorSpaceId();
    }
 
    QString name() const override
    {
        return QString("%1 (%2)").arg(YCbCrAColorModelID.name()).arg(Integer8BitsColorDepthID.name());
    }
 
    bool userVisible() const override
    {
        return true;
    }
 
    KoID colorModelId() const override
    {
        return YCbCrAColorModelID;
    }
 
    KoID colorDepthId() const override
    {
        return Integer8BitsColorDepthID;
    }
 
    int referenceDepth() const override
    {
        return 8;
    }
 
    KoColorSpace *createColorSpace(const KoColorProfile *p) const override
    {
        return new YCbCrU8ColorSpace(name(), p->clone());
    }
 
    QString defaultProfile() const override
    {
        return "ITU-R BT.709-6 YCbCr ICC V4 profile";
    }
};
 
#endif