From 2be6c85b8023f41d964c4c9d45343368b26a0830 Mon Sep 17 00:00:00 2001
From: Paul Olav Tvete <paul.tvete@qt.io>
Date: Thu, 18 Jun 2020 15:32:21 +0200
Subject: New custom material example

Fixes: QTBUG-78577
Change-Id: I280ffeda4bba1a9c170feb1ffa4b6c95eb0e6d28
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
---
 .../quick/scenegraph/custommaterial/customitem.h   | 113 +++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 examples/quick/scenegraph/custommaterial/customitem.h

(limited to 'examples/quick/scenegraph/custommaterial/customitem.h')

diff --git a/examples/quick/scenegraph/custommaterial/customitem.h b/examples/quick/scenegraph/custommaterial/customitem.h
new file mode 100644
index 0000000000..5cc1fa09f4
--- /dev/null
+++ b/examples/quick/scenegraph/custommaterial/customitem.h
@@ -0,0 +1,113 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef CUSTOMITEM_H
+#define CUSTOMITEM_H
+
+//! [1]
+#include <QQuickItem>
+
+class CustomItem : public QQuickItem
+{
+    Q_OBJECT
+//! [2]
+    Q_PROPERTY(qreal zoom READ zoom WRITE setZoom NOTIFY zoomChanged)
+    Q_PROPERTY(int iterationLimit READ iterationLimit WRITE setIterationLimit NOTIFY iterationLimitChanged)
+    Q_PROPERTY(QPointF center READ center WRITE setCenter NOTIFY centerChanged)
+//! [2]
+    QML_ELEMENT
+
+public:
+    explicit CustomItem(QQuickItem *parent = 0);
+
+    qreal zoom() const
+    {
+        return m_zoom;
+    }
+
+    int iterationLimit() const
+    {
+        return m_limit;
+    }
+
+    QPointF center() const
+    {
+        return m_center;
+    }
+
+public slots:
+    void setZoom(qreal zoom);
+
+    void setIterationLimit(int iterationLimit);
+
+    void setCenter(QPointF center);
+
+signals:
+    void zoomChanged(qreal zoom);
+
+    void iterationLimitChanged(int iterationLimit);
+
+    void centerChanged(QPointF center);
+
+protected:
+    QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override;
+    void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
+
+private:
+    bool m_geometryChanged = true;
+    qreal m_zoom;
+    bool m_zoomChanged = true;
+    int m_limit;
+    bool m_limitChanged = true;
+    QPointF m_center;
+    bool m_centerChanged = true;
+};
+//! [1]
+#endif // CUSTOMITEM_H
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