From 76d8f8a5d3a6229c49b072c5872cd99649210107 Mon Sep 17 00:00:00 2001 From: Gunnar Sletta Date: Tue, 11 Jun 2013 20:47:54 +0200 Subject: Graph example Change-Id: I4a7b52f6e14182aed31354dc3860ef187e1899a4 Reviewed-by: Alan Alpert --- examples/quick/scenegraph/graph/graph.h | 67 +++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 examples/quick/scenegraph/graph/graph.h (limited to 'examples/quick/scenegraph/graph/graph.h') diff --git a/examples/quick/scenegraph/graph/graph.h b/examples/quick/scenegraph/graph/graph.h new file mode 100644 index 0000000000..28d14f166a --- /dev/null +++ b/examples/quick/scenegraph/graph/graph.h @@ -0,0 +1,67 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc and its Subsidiary(-ies) 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 GRAPH_H +#define GRAPH_H + +#include + +class Graph : public QQuickItem +{ + Q_OBJECT +public: + Graph(); + +protected: + QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *); + void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry); + +public slots: + void appendSample(qreal value); + void removeFirstSample(); + +private: + QList m_samples; + + bool m_samplesChanged; + bool m_geometryChanged; +}; + +#endif // GRAPH_H -- cgit v1.2.3