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// Copyright (C) 2016 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
#ifndef QTGRADIENTSTOPSMODEL_H
#define QTGRADIENTSTOPSMODEL_H
#include <QtCore/QObject>
#include <QtCore/QMap>
QT_BEGIN_NAMESPACE
class QColor;
class QtGradientStopsModel;
class QtGradientStop
{
public:
qreal position() const;
QColor color() const;
QtGradientStopsModel *gradientModel() const;
private:
void setColor(const QColor &color);
void setPosition(qreal position);
friend class QtGradientStopsModel;
QtGradientStop(QtGradientStopsModel *model = 0);
~QtGradientStop();
QScopedPointer<class QtGradientStopPrivate> d_ptr;
};
class QtGradientStopsModel : public QObject
{
Q_OBJECT
public:
using PositionStopMap = QMap<qreal, QtGradientStop *>;
QtGradientStopsModel(QObject *parent = 0);
~QtGradientStopsModel();
PositionStopMap stops() const;
QtGradientStop *at(qreal pos) const;
QColor color(qreal pos) const; // calculated between points
QList<QtGradientStop *> selectedStops() const;
QtGradientStop *currentStop() const;
bool isSelected(QtGradientStop *stop) const;
QtGradientStop *firstSelected() const;
QtGradientStop *lastSelected() const;
QtGradientStopsModel *clone() const;
QtGradientStop *addStop(qreal pos, const QColor &color);
void removeStop(QtGradientStop *stop);
void moveStop(QtGradientStop *stop, qreal newPos);
void swapStops(QtGradientStop *stop1, QtGradientStop *stop2);
void changeStop(QtGradientStop *stop, const QColor &newColor);
void selectStop(QtGradientStop *stop, bool select);
void setCurrentStop(QtGradientStop *stop);
void moveStops(double newPosition); // moves current stop to newPos and all selected stops are moved accordingly
void clear();
void clearSelection();
void flipAll();
void selectAll();
void deleteStops();
signals:
void stopAdded(QtGradientStop *stop);
void stopRemoved(QtGradientStop *stop);
void stopMoved(QtGradientStop *stop, qreal newPos);
void stopsSwapped(QtGradientStop *stop1, QtGradientStop *stop2);
void stopChanged(QtGradientStop *stop, const QColor &newColor);
void stopSelected(QtGradientStop *stop, bool selected);
void currentStopChanged(QtGradientStop *stop);
private:
QScopedPointer<class QtGradientStopsModelPrivate> d_ptr;
Q_DECLARE_PRIVATE(QtGradientStopsModel)
Q_DISABLE_COPY_MOVE(QtGradientStopsModel)
};
QT_END_NAMESPACE
#endif
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