demoqcpainterrenderer.h

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// Copyright (C) 2025 The Qt Company Ltd.

// Copyright (C) 2015 QUIt Coding <info@quitcoding.com>

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

#ifndef DEMOQCPAINTERRENDERER_H

#define DEMOQCPAINTERRENDERER_H

#include "qcanvaspainteritemrenderer.h"

#ifdef USE_STATIC_TEXTS

#include "qctext.h"

#endif

#include "qcanvasimage.h"

#include "qcanvaspath.h"

#include <QColor>

extern int g_customFontId; // set in main.cpp

class DemoQCPainterRenderer : public QCanvasPainterItemRenderer

public:

    explicit DemoQCPainterRenderer();

    // Reimplement

    void initializeResources(QCanvasPainter *painter) override;

    void synchronizeData(QCanvasPainterItem *item) override;

    void paint(QCanvasPainter *painter) override;

private:

    void drawGraphLine(float x, float y, float w, float h, int items, float t);

    void drawGraphBars(float x, float y, float w, float h, int items, float t);

    void drawGraphCircles(float x, float y, float w, float h, int items, float t);

    void drawIcons(float x, float y, float w, float h, int items, float t, int index);

    void drawRuler(float x, float y, float w, float h, float t, int index);

    void drawFlower(float x, float y, float w, float h, float t);

    float _flowerPos(int i);

    QCanvasPainter *m_painter = nullptr;

    float m_animationTime = 0.0f;

    int m_enabledTests = 0;

    int m_testCount = 0;

    // Colors

    QColor m_colorWhite, m_colorGray, m_colorBlack,

    m_color1, m_color2, m_color3;

    QCanvasImage m_circleImage;

    QFont m_testFont;

    qreal m_width = 0;

    qreal m_height = 0;

#ifdef USE_STATIC_TEXTS

    // Texts are declared beforehand during initialization and cache the layout.

    QList<QCText> m_texts;

#endif

#define USE_STATIC_FLOWER_PATH

#ifdef USE_STATIC_FLOWER_PATH

    QCanvasPath m_flowerPath;

#endif

};

#endif // DEMOQCPAINTERRENDERER_H