qquicksaturationlightnesspicker_p.h

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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant reason:default
 
#ifndef QQUICKSATURATIONLIGHTNESSPICKER_P_H
#define QQUICKSATURATIONLIGHTNESSPICKER_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 "qquickabstractcolorpicker_p.h"
#include "qtquickdialogs2quickimplglobal_p.h"
 
QT_BEGIN_NAMESPACE
 
class QQuickSaturationLightnessPickerPrivate;
 
class Q_QUICKDIALOGS2QUICKIMPL_EXPORT QQuickSaturationLightnessPickerCanvas : public QQuickItem
{
    Q_OBJECT
    QML_NAMED_ELEMENT(SaturationLightnessPickerCanvas)
    Q_PROPERTY(qreal hue READ hue WRITE setHue NOTIFY hueChanged FINAL)
 
public:
    QQuickSaturationLightnessPickerCanvas(QQuickItem *parent = nullptr);
 
    qreal hue() const { return m_hue; }
    void setHue(qreal h);
 
signals:
    void hueChanged();
 
protected:
    QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *) override;
 
private:
    qreal m_hue;
    QImage m_image;
    QSizeF m_lastSize;
 
    QImage generateImage(int width, int height, double hue01) const;
};
 
class Q_QUICKDIALOGS2QUICKIMPL_EXPORT QQuickSaturationLightnessPicker
    : public QQuickAbstractColorPicker
{
    Q_OBJECT
    QML_NAMED_ELEMENT(SaturationLightnessPickerImpl)
 
public:
    explicit QQuickSaturationLightnessPicker(QQuickItem *parent = nullptr);
 
protected:
    QColor colorAt(const QPointF &pos) override;
 
private:
    Q_DISABLE_COPY(QQuickSaturationLightnessPicker)
    Q_DECLARE_PRIVATE(QQuickSaturationLightnessPicker)
};
 
QT_END_NAMESPACE
 
#endif // QQUICKSATURATIONLIGHTNESSPICKER_P_H