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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 GLWIDGET_H
#define GLWIDGET_H
#ifndef QT_NO_OPENGL
#include <QtWidgets/QOpenGLWidget>
#include <QtGui/QOpenGLFunctions>
#include <QtGui/QOpenGLVertexArrayObject>
#include <QtCore/QHash>
#include <QtCharts/QAbstractSeries>
#include <QtCharts/QXYSeries>
QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram)
class QOpenGLBuffer;
QT_CHARTS_BEGIN_NAMESPACE
class GLXYSeriesDataManager;
class GLWidget : public QOpenGLWidget, protected QOpenGLFunctions
{
Q_OBJECT
public:
GLWidget(GLXYSeriesDataManager *xyDataManager, QWidget *parent = 0);
~GLWidget();
public Q_SLOTS:
void cleanup();
void cleanXYSeriesResources(const QXYSeries *series);
protected:
void initializeGL() Q_DECL_OVERRIDE;
void paintGL() Q_DECL_OVERRIDE;
void resizeGL(int width, int height) Q_DECL_OVERRIDE;
private:
QOpenGLShaderProgram *m_program;
int m_shaderAttribLoc;
int m_colorUniformLoc;
int m_minUniformLoc;
int m_deltaUniformLoc;
int m_pointSizeUniformLoc;
QOpenGLVertexArrayObject m_vao;
QHash<const QAbstractSeries *, QOpenGLBuffer *> m_seriesBufferMap;
GLXYSeriesDataManager *m_xyDataManager;
};
QT_CHARTS_END_NAMESPACE
#endif
#endif
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