HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/chartsqml2/declarativechartnode.h

Accelerating lineseries with OpenGL...

Accelerating lineseries with OpenGL Added support for QAbstractSeries::useOpenGL property. When true, the series in question is drawn on a separate offscreen buffer using OpenGL and then superimposed on the chart. Currently this property is only supported for line and scatter series. Change-Id: I174fec541f9f3c23464270c1fe08f824af16a0fb Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com> Reviewed-by: Tomi Korpipää <tomi.korpipaa@theqtcompany.com>

Miikka Heikkinen - - Load All Authors

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      /****************************************************************************

      **

      ** Copyright (C) 2015 The Qt Company Ltd

      ** All rights reserved.

      ** For any questions to The Qt Company, please use contact form at http://qt.io

      **

      ** This file is part of the Qt Charts module.

      **

      ** Licensees holding valid commercial license for Qt may use this file in

      ** accordance with the Qt License Agreement provided with the Software

      ** or, alternatively, in accordance with the terms contained in a written

      ** agreement between you and The Qt Company.

      **

      ** If you have questions regarding the use of this file, please use

      ** contact form at http://qt.io

      **

      ****************************************************************************/

      #ifndef DECLARATIVECHARTNODE_P_H

      #define DECLARATIVECHARTNODE_P_H

      #include <QtCharts/QChartGlobal>

      #include <QtQuick/QSGSimpleTextureNode>

      #include <QtQuick/QQuickWindow>

      #include <QtGui/QOpenGLFunctions>

      QT_CHARTS_BEGIN_NAMESPACE

      class DeclarativeRenderNode;

      class DeclarativeChartNode : public QSGSimpleTextureNode, QOpenGLFunctions

      {

      public:

          DeclarativeChartNode(QQuickWindow *window);

          ~DeclarativeChartNode();

          void createTextureFromImage(const QImage &chartImage);

          DeclarativeRenderNode *glRenderNode() const { return m_glRenderNode; }

      private:

          QSGTexture *m_texture;

          QQuickWindow *m_window;

          QQuickWindow::CreateTextureOptions m_textureOptions;

          QSize m_textureSize;

          DeclarativeRenderNode *m_glRenderNode;

      };

      QT_CHARTS_END_NAMESPACE

      #endif // DECLARATIVECHARTNODE_P_H

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				/****************************************************************************
				**
				** Copyright (C) 2015 The Qt Company Ltd
				** All rights reserved.
				** For any questions to The Qt Company, please use contact form at http://qt.io
				**
				** This file is part of the Qt Charts module.
				**
				** Licensees holding valid commercial license for Qt may use this file in
				** accordance with the Qt License Agreement provided with the Software
				** or, alternatively, in accordance with the terms contained in a written
				** agreement between you and The Qt Company.
				**
				** If you have questions regarding the use of this file, please use
				** contact form at http://qt.io
				**
				****************************************************************************/

				#ifndef DECLARATIVECHARTNODE_P_H
				#define DECLARATIVECHARTNODE_P_H

				#include <QtCharts/QChartGlobal>
				#include <QtQuick/QSGSimpleTextureNode>
				#include <QtQuick/QQuickWindow>
				#include <QtGui/QOpenGLFunctions>

				QT_CHARTS_BEGIN_NAMESPACE

				class DeclarativeRenderNode;

				class DeclarativeChartNode : public QSGSimpleTextureNode, QOpenGLFunctions
				{
				public:
				DeclarativeChartNode(QQuickWindow *window);
				~DeclarativeChartNode();

				void createTextureFromImage(const QImage &chartImage);
				DeclarativeRenderNode *glRenderNode() const { return m_glRenderNode; }

				private:
				QSGTexture *m_texture;
				QQuickWindow *m_window;
				QQuickWindow::CreateTextureOptions m_textureOptions;
				QSize m_textureSize;
				DeclarativeRenderNode *m_glRenderNode;
				};

				QT_CHARTS_END_NAMESPACE

				#endif // DECLARATIVECHARTNODE_P_H