SpiralItem.h - mozsearch

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// Copyright (C) 2024 Stan Morris.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#ifndef SPIRALITEM_H

#define SPIRALITEM_H

#include <QQuickItem>

#include <QElapsedTimer>

class QSGGeometry;

class QSGGeometryNode;

class SpiralItem : public QQuickItem

    Q_OBJECT

    Q_PROPERTY(int vertexCount READ vertexCount WRITE setVertexCount NOTIFY vertexCountChanged FINAL)

    Q_PROPERTY(int maxVertices READ maxVertices CONSTANT FINAL)

    Q_PROPERTY(int fps READ fps WRITE setFps NOTIFY fpsChanged FINAL)

    Q_PROPERTY(QString mode READ mode WRITE setMode NOTIFY modeChanged FINAL)

    Q_PROPERTY(bool resizeByVertexCount READ resizeByVertexCount NOTIFY resizeByVertexCountChanged FINAL)

    QML_ELEMENT

public:

    SpiralItem();

signals:

    void vertexCountChanged();

    void fpsChanged();

    void cpuChanged();

    void modeChanged();

    void resizeByVertexCountChanged();

public slots:

    void toggleMode();

    void handleResizeByVertexCountChanged();

protected:

    QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);

private:

    void updateGeometry(QSGGeometry *&geometry);

    void setupGeometryNode(QSGGeometryNode *);

    QSGGeometry *createGeometry();

    void populateVertices(QSGGeometry *, const int count);

    void populateColors(QSGGeometry *, const int count);

    void reallocateVertices(QSGGeometry* geometry, const int count);

    void logStatistics();

    int vertexCount() const;

    void setVertexCount(int newVertexCount);

    int maxVertices() const;

    int fps() const;

    void setFps(int newFps);

    QString mode() const;

    void setMode(const QString &newMode);

    bool resizeByVertexCount() const;

    void setResizeByVertexCount(bool newResizeByVertexCount);

    QElapsedTimer m_statisticsTimer;

    QString m_mode;

    const int m_maxVertices {60000};

    int m_vertexCount {0};

    int m_fps = {};

    bool m_resizeByVertexCount = {true};

    bool m_animating = {false};

    bool m_resetVertices = {false};

    int m_maxCount {-1};

    int m_minCount {m_maxVertices};

};

#endif // SPIRALITEM_H