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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QSGCURVESTROKENODE_P_H
#define QSGCURVESTROKENODE_P_H
#include <QtQuick/qtquickexports.h>
#include <QtQuick/qsgnode.h>
#include "qsgcurveabstractnode_p.h"
#include "qsgcurvestrokenode_p_p.h"
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of a number of Qt sources files. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
QT_BEGIN_NAMESPACE
class Q_QUICK_EXPORT QSGCurveStrokeNode : public QSGCurveAbstractNode
{
public:
QSGCurveStrokeNode();
void setColor(QColor col) override
{
m_color = col;
}
QColor color() const
{
return m_color;
}
void setStrokeWidth(float width)
{
m_strokeWidth = width;
}
float strokeWidth() const
{
return m_strokeWidth;
}
void appendTriangle(const std::array<QVector2D, 3> &v, // triangle vertices
const std::array<QVector2D, 3> &p, // curve points
const std::array<QVector2D, 3> &n); // vertex normals
void appendTriangle(const std::array<QVector2D, 3> &v, // triangle vertices
const std::array<QVector2D, 2> &p, // line points
const std::array<QVector2D, 3> &n); // vertex normals
void cookGeometry() override;
static const QSGGeometry::AttributeSet &attributes();
QVector<quint32> uncookedIndexes() const
{
return m_uncookedIndexes;
}
float debug() const
{
return m_debug;
}
void setDebug(float newDebug)
{
m_debug = newDebug;
}
void setLocalScale(float scale)
{
m_localScale = scale;
}
float localScale() const
{
return m_localScale;
}
private:
struct StrokeVertex
{
float x, y;
float ax, ay;
float bx, by;
float cx, cy;
float nx, ny; //normal vector: direction to move vertext to account for AA
};
void updateMaterial();
static std::array<QVector2D, 3> curveABC(const std::array<QVector2D, 3> &p);
QColor m_color;
float m_strokeWidth = 0.0f;
float m_debug = 0.0f;
float m_localScale = 1.0f;
protected:
QScopedPointer<QSGCurveStrokeMaterial> m_material;
QVector<StrokeVertex> m_uncookedVertexes;
QVector<quint32> m_uncookedIndexes;
};
QT_END_NAMESPACE
#endif // QSGCURVESTROKENODE_P_H
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