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// Copyright (C) 2026 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QCPAINTERITEM_H
#define QCPAINTERITEM_H
//
// W A R N I N G
// -------------
//
// This file is not part of the QtGraphs API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#include <QtCanvasPainter/QCanvasPainter>
#include <QtCanvasPainter/QCanvasPainterItem>
#include <QtCanvasPainter/QCanvasPainterItemRenderer>
#include <QtCore/qvarlengtharray.h>
#include <private/qgraphsglobal_p.h>
#if QT_CONFIG(graphs_2d_area)
#include <QtGraphs/private/arearenderer_p.h>
#endif
#if QT_CONFIG(graphs_2d_bar)
#include <QtGraphs/private/barsrenderer_p.h>
#endif
#if QT_CONFIG(graphs_2d_custom)
#include <QtGraphs/private/customrenderer_p.h>
#endif
#if QT_CONFIG(graphs_2d_donut_pie)
#include <QtGraphs/private/pierenderer_p.h>
#endif
#if QT_CONFIG(graphs_2d_area) || QT_CONFIG(graphs_2d_line) || QT_CONFIG(graphs_2d_scatter) || QT_CONFIG(graphs_2d_spline)
#include <QtGraphs/private/pointrenderer_p.h>
#endif
QT_BEGIN_NAMESPACE
#if !QT_CONFIG(graphs_2d_area)
class AreaRenderer;
#endif
#if !QT_CONFIG(graphs_2d_bar)
class BarsRenderer;
#endif
#if !QT_CONFIG(graphs_2d_custom)
class CustomRenderer;
#endif
#if !QT_CONFIG(graphs_2d_donut_pie)
class PieRenderer;
#endif
#if !QT_CONFIG(graphs_2d_area) && !QT_CONFIG(graphs_2d_line) && !QT_CONFIG(graphs_2d_scatter) && !QT_CONFIG(graphs_2d_spline)
class PointRenderer;
#endif
class QCPainterItemRenderer : public QCanvasPainterItemRenderer
{
public:
enum class RendererKind {
#if QT_CONFIG(graphs_2d_area)
Area,
#endif
#if QT_CONFIG(graphs_2d_bar)
Bars,
#endif
#if QT_CONFIG(graphs_2d_donut_pie)
Pie,
#endif
#if QT_CONFIG(graphs_2d_area) || QT_CONFIG(graphs_2d_line) || QT_CONFIG(graphs_2d_scatter) || QT_CONFIG(graphs_2d_spline)
Point,
#endif
#if QT_CONFIG(graphs_2d_custom)
Custom,
#endif
};
QCPainterItemRenderer();
~QCPainterItemRenderer() override;
void initializeResources(QCanvasPainter *p) override;
void synchronizeData(QCanvasPainterItem *item) override;
void prePaint(QCanvasPainter *painter) override;
void paint(QCanvasPainter *p) override;
private:
#if QT_CONFIG(graphs_2d_area)
AreaRenderer::PaintSnapshot m_areaPaintSnapshot;
#endif
#if QT_CONFIG(graphs_2d_bar)
BarsRenderer::PaintSnapshot m_barsSnapshot;
#endif
#if QT_CONFIG(graphs_2d_donut_pie)
PieRenderer::PaintSnapshot m_piePaintSnapshot;
#endif
#if QT_CONFIG(graphs_2d_area) || QT_CONFIG(graphs_2d_line) || QT_CONFIG(graphs_2d_scatter) || QT_CONFIG(graphs_2d_spline)
PointRenderer::PaintSnapshot m_pointPaintSnapshot;
#endif
#if QT_CONFIG(graphs_2d_custom)
CustomRenderer::PaintSnapshot m_customPaintSnapshot;
QHash<QCustomSeries *, QCustomSeriesCanvasRenderer *> m_customPainters;
#endif
QVarLengthArray<RendererKind, 5> m_rendererSlots{};
friend class QCPainterItem;
};
class QCPainterItem : public QCanvasPainterItem
{
Q_OBJECT
public:
QCPainterItem(AreaRenderer *&areaRenderer,
BarsRenderer *&barsRenderer,
PieRenderer *&pieRenderer,
PointRenderer *&pointRenderer,
CustomRenderer *&customRenderer,
QQuickItem *parent = nullptr);
QCPainterItemRenderer *createItemRenderer() const override;
private:
AreaRenderer *&m_areaRenderer;
BarsRenderer *&m_barsRenderer;
PieRenderer *&m_pieRenderer;
PointRenderer *&m_pointRenderer;
CustomRenderer *&m_customRenderer;
friend class QCPainterItemRenderer;
};
QT_END_NAMESPACE
#endif // QCPAINTERITEM_H