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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
**
******************************************************************************/
#ifndef QCOLORTRANSFORM_P_H
#define QCOLORTRANSFORM_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qcolormatrix_p.h"
#include "qcolorspace_p.h"
#include <QtCore/qshareddata.h>
QT_BEGIN_NAMESPACE
class QColorTransformPrivate : public QSharedData
{
public:
QColorMatrix colorMatrix;
QExplicitlySharedDataPointer<const QColorSpacePrivate> colorSpaceIn;
QExplicitlySharedDataPointer<const QColorSpacePrivate> colorSpaceOut;
static QColorTransformPrivate *get(const QColorTransform &q)
{ return q.d.data(); }
void updateLutsIn() const;
void updateLutsOut() const;
bool simpleGammaCorrection() const;
void prepare();
enum TransformFlag {
Unpremultiplied = 0,
InputOpaque = 1,
InputPremultiplied = 2,
OutputPremultiplied = 4,
Premultiplied = (InputPremultiplied | OutputPremultiplied)
};
Q_DECLARE_FLAGS(TransformFlags, TransformFlag)
void apply(QRgb *dst, const QRgb *src, qsizetype count, TransformFlags flags = Unpremultiplied) const;
void apply(QRgba64 *dst, const QRgba64 *src, qsizetype count, TransformFlags flags = Unpremultiplied) const;
void apply(quint8 *dst, const QRgb *src, qsizetype count, TransformFlags flags = Unpremultiplied) const;
void apply(quint16 *dst, const QRgba64 *src, qsizetype count, TransformFlags flags = Unpremultiplied) const;
template<typename T>
void apply(T *dst, const T *src, qsizetype count, TransformFlags flags) const;
template<typename D, typename S>
void applyReturnGray(D *dst, const S *src, qsizetype count, TransformFlags flags) const;
};
QT_END_NAMESPACE
#endif // QCOLORTRANSFORM_P_H
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