| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QTGRADIENTSTOPSMODEL_H |
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| 5 | #define QTGRADIENTSTOPSMODEL_H |
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| 6 | |
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| 7 | #include <QtCore/QObject> |
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| 8 | #include <QtCore/QMap> |
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| 9 | |
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| 10 | QT_BEGIN_NAMESPACE |
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| 11 | |
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| 12 | class QColor; |
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| 13 | |
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| 14 | class QtGradientStopsModel; |
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| 15 | |
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| 16 | class QtGradientStop |
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| 17 | { |
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| 18 | public: |
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| 19 | qreal position() const; |
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| 20 | QColor color() const; |
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| 21 | QtGradientStopsModel *gradientModel() const; |
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| 22 | |
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| 23 | private: |
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| 24 | void setColor(const QColor &color); |
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| 25 | void setPosition(qreal position); |
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| 26 | friend class QtGradientStopsModel; |
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| 27 | QtGradientStop(QtGradientStopsModel *model = 0); |
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| 28 | ~QtGradientStop(); |
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| 29 | QScopedPointer<class QtGradientStopPrivate> d_ptr; |
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| 30 | }; |
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| 31 | |
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| 32 | class QtGradientStopsModel : public QObject |
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| 33 | { |
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| 34 | Q_OBJECT |
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| 35 | public: |
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| 36 | using PositionStopMap = QMap<qreal, QtGradientStop *>; |
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| 37 | |
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| 38 | QtGradientStopsModel(QObject *parent = 0); |
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| 39 | ~QtGradientStopsModel(); |
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| 40 | |
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| 41 | PositionStopMap stops() const; |
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| 42 | QtGradientStop *at(qreal pos) const; |
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| 43 | QColor color(qreal pos) const; // calculated between points |
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| 44 | QList<QtGradientStop *> selectedStops() const; |
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| 45 | QtGradientStop *currentStop() const; |
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| 46 | bool isSelected(QtGradientStop *stop) const; |
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| 47 | QtGradientStop *firstSelected() const; |
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| 48 | QtGradientStop *lastSelected() const; |
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| 49 | QtGradientStopsModel *clone() const; |
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| 50 | |
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| 51 | QtGradientStop *addStop(qreal pos, const QColor &color); |
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| 52 | void removeStop(QtGradientStop *stop); |
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| 53 | void moveStop(QtGradientStop *stop, qreal newPos); |
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| 54 | void swapStops(QtGradientStop *stop1, QtGradientStop *stop2); |
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| 55 | void changeStop(QtGradientStop *stop, const QColor &newColor); |
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| 56 | void selectStop(QtGradientStop *stop, bool select); |
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| 57 | void setCurrentStop(QtGradientStop *stop); |
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| 58 | |
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| 59 | void moveStops(double newPosition); // moves current stop to newPos and all selected stops are moved accordingly |
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| 60 | void clear(); |
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| 61 | void clearSelection(); |
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| 62 | void flipAll(); |
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| 63 | void selectAll(); |
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| 64 | void deleteStops(); |
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| 65 | |
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| 66 | signals: |
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| 67 | void stopAdded(QtGradientStop *stop); |
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| 68 | void stopRemoved(QtGradientStop *stop); |
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| 69 | void stopMoved(QtGradientStop *stop, qreal newPos); |
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| 70 | void stopsSwapped(QtGradientStop *stop1, QtGradientStop *stop2); |
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| 71 | void stopChanged(QtGradientStop *stop, const QColor &newColor); |
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| 72 | void stopSelected(QtGradientStop *stop, bool selected); |
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| 73 | void currentStopChanged(QtGradientStop *stop); |
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| 74 | |
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| 75 | private: |
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| 76 | QScopedPointer<class QtGradientStopsModelPrivate> d_ptr; |
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| 77 | Q_DECLARE_PRIVATE(QtGradientStopsModel) |
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| 78 | Q_DISABLE_COPY_MOVE(QtGradientStopsModel) |
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| 79 | }; |
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| 80 | |
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| 81 | QT_END_NAMESPACE |
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| 82 | |
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| 83 | #endif |
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| 84 | |
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