HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/charts/barchart/vertical/bar/barchartitem_p.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>

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             barchartitem_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

      **

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

      //  W A R N I N G

      //  -------------

      //

      // This file is not part of the Qt Chart API.  It exists purely as an

      // implementation detail.  This header file may change from version to

      // version without notice, or even be removed.

      //

      // We mean it.

      #ifndef BARCHARTITEM_H

      #define BARCHARTITEM_H

      #include <private/abstractbarchartitem_p.h>

      #include <QtCharts/QStackedBarSeries>

      #include <QtWidgets/QGraphicsItem>

      QT_CHARTS_BEGIN_NAMESPACE

      class BarChartItem : public AbstractBarChartItem

      {

          Q_OBJECT

      public:

          BarChartItem(QAbstractBarSeries *series, QGraphicsItem* item = 0);

      private Q_SLOTS:

          void handleLabelsPositionChanged();

          void positionLabels();

      private:

          virtual QVector<QRectF> calculateLayout();

          void initializeLayout();

      };

      QT_CHARTS_END_NAMESPACE

      #endif // BARCHARTITEM_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
				**
				****************************************************************************/

				// W A R N I N G
				// -------------
				//
				// This file is not part of the Qt Chart API. It exists purely as an
				// implementation detail. This header file may change from version to
				// version without notice, or even be removed.
				//
				// We mean it.


				#ifndef BARCHARTITEM_H
				#define BARCHARTITEM_H

				#include <private/abstractbarchartitem_p.h>
				#include <QtCharts/QStackedBarSeries>
				#include <QtWidgets/QGraphicsItem>

				QT_CHARTS_BEGIN_NAMESPACE

				class BarChartItem : public AbstractBarChartItem
				{
				Q_OBJECT
				public:
				BarChartItem(QAbstractBarSeries series, QGraphicsItem item = 0);

				private Q_SLOTS:
				void handleLabelsPositionChanged();
				void positionLabels();

				private:
				virtual QVector<QRectF> calculateLayout();
				void initializeLayout();
				};

				QT_CHARTS_END_NAMESPACE

				#endif // BARCHARTITEM_H