| 1 | // Copyright (C) 2024 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef PIERENDERER_H |
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| 5 | #define PIERENDERER_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the QtGraphs API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | |
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| 17 | #include <QQuickItem> |
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| 18 | #include <QtGui/qpainterpath.h> |
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| 19 | |
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| 20 | QT_BEGIN_NAMESPACE |
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| 21 | |
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| 22 | class QGraphsView; |
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| 23 | class QPieSeries; |
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| 24 | class QPieSlice; |
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| 25 | class QQuickShape; |
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| 26 | class QAbstractSeries; |
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| 27 | |
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| 28 | class PieRenderer : public QQuickItem |
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| 29 | { |
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| 30 | Q_OBJECT |
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| 31 | public: |
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| 32 | PieRenderer(QGraphsView *graph); |
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| 33 | ~PieRenderer() override; |
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| 34 | |
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| 35 | void handlePolish(QPieSeries *series); |
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| 36 | void afterPolish(QList<QAbstractSeries *> &cleanupSeries); |
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| 37 | void updateSeries(QPieSeries *series); |
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| 38 | void afterUpdate(QList<QAbstractSeries *> &cleanupSeries); |
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| 39 | void markedDeleted(QList<QPieSlice *> deleted); |
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| 40 | |
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| 41 | void setSize(QSizeF size); |
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| 42 | |
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| 43 | private: |
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| 44 | struct SliceData |
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| 45 | { |
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| 46 | bool initialized; |
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| 47 | }; |
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| 48 | |
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| 49 | QGraphsView *m_graph; |
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| 50 | QQuickShape *m_shape; |
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| 51 | QHash<QPieSlice *, SliceData> m_activeSlices; |
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| 52 | |
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| 53 | QPainterPath m_painterPath; |
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| 54 | qsizetype m_colorIndex = -1; |
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| 55 | }; |
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| 56 | |
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| 57 | QT_END_NAMESPACE |
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| 58 | |
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| 59 | #endif // QPIERENDERER_H |
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| 60 | |
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