1 files changed, 116 insertions, 0 deletions
diff --git a/src/quick/scenegraph/qsgcurvestrokenode_p.h b/src/quick/scenegraph/qsgcurvestrokenode_p.h
new file mode 100644
index 0000000000..079414bc16
--- /dev/null
+++ b/src/quick/scenegraph/qsgcurvestrokenode_p.h
@@ -0,0 +1,116 @@
+// 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