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

Doc: Make documentation versioning follow .qmake.conf...

Doc: Make documentation versioning follow .qmake.conf No reason to have hard-coded version numbers in .qdocconf, as they are available from env. variables. Change-Id: I4a118fe0127a20f01af157fbc496e3cb0ba69976 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

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             declarativechartnode.cpp
        
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        Titta Heikkala
    
Updated license headers...

              r2845
            
      /******************************************************************************

        Miikka Heikkinen
    
Accelerating lineseries with OpenGL...

              r2820
            
      **

        Titta Heikkala
    
Updated license headers...

              r2845
            
      ** Copyright (C) 2015 The Qt Company Ltd.

      ** Contact: http://www.qt.io/licensing/

        Miikka Heikkinen
    
Accelerating lineseries with OpenGL...

              r2820
            
      **

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

      **

        Titta Heikkala
    
Updated license headers...

              r2845
            
      ** $QT_BEGIN_LICENSE:COMM$

        Miikka Heikkinen
    
Accelerating lineseries with OpenGL...

              r2820
            
      **

        Titta Heikkala
    
Updated license headers...

              r2845
            
      ** 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 http://www.qt.io/terms-conditions. For further

      ** information use the contact form at http://www.qt.io/contact-us.

        Miikka Heikkinen
    
Accelerating lineseries with OpenGL...

              r2820
            
      **

        Titta Heikkala
    
Updated license headers...

              r2845
            
      ** $QT_END_LICENSE$

      **

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

        Miikka Heikkinen
    
Accelerating lineseries with OpenGL...

              r2820
            
      #include "declarativechartnode.h"

      #include "declarativerendernode.h"

      #include <QtGui/QOpenGLContext>

      #include <QtGui/QOpenGLFunctions>

      #include <QtGui/QOpenGLFramebufferObjectFormat>

      #include <QtGui/QOpenGLFramebufferObject>

      #include <QOpenGLShaderProgram>

      #include <QtGui/QOpenGLBuffer>

      QT_CHARTS_BEGIN_NAMESPACE

      // This node handles displaying of the chart itself

      DeclarativeChartNode::DeclarativeChartNode(QQuickWindow *window) :

          QSGSimpleTextureNode(),

          m_texture(0),

          m_window(window),

          m_textureOptions(0),

          m_textureSize(1, 1),

          m_glRenderNode(0)

      {

          // Our texture node must have a texture, so use a default one pixel texture

        Miikka Heikkinen
    
Fix crash when using linuxfb and 2D renderer...

              r2868
            
          QImage dummyImage(QSize(1, 1), QImage::Format_ARGB32);

          uchar *imageData = dummyImage.bits();

          imageData[0] = 0;

          imageData[1] = 0;

          imageData[2] = 0;

          imageData[3] = 0;

        Miikka Heikkinen
    
Accelerating lineseries with OpenGL...

              r2820
            
          QQuickWindow::CreateTextureOptions defaultTextureOptions = QQuickWindow::CreateTextureOptions(

                  QQuickWindow::TextureHasAlphaChannel | QQuickWindow::TextureOwnsGLTexture);

        Miikka Heikkinen
    
Fix crash when using linuxfb and 2D renderer...

              r2868
            
          m_texture = m_window->createTextureFromImage(dummyImage, defaultTextureOptions);

        Miikka Heikkinen
    
Accelerating lineseries with OpenGL...

              r2820
            
          setTexture(m_texture);

          setFiltering(QSGTexture::Linear);

        Miikka Heikkinen
    
Fix crash when using linuxfb and 2D renderer...

              r2868
            
          if (QOpenGLContext::currentContext()) {

              // Create child node for rendering GL graphics

              m_glRenderNode = new DeclarativeRenderNode(m_window);

              m_glRenderNode->setFlag(OwnedByParent);

              appendChildNode(m_glRenderNode);

              m_glRenderNode->setRect(0, 0, 0, 0); // Hide child node by default

          }

        Miikka Heikkinen
    
Accelerating lineseries with OpenGL...

              r2820
            
      }

      DeclarativeChartNode::~DeclarativeChartNode()

      {

          delete m_texture;

      }

      // Must be called on render thread and in context

      void DeclarativeChartNode::createTextureFromImage(const QImage &chartImage)

      {

          if (chartImage.size() != m_textureSize)

              m_textureSize = chartImage.size();

          delete m_texture;

          m_texture = m_window->createTextureFromImage(chartImage, m_textureOptions);

          setTexture(m_texture);

      }

      QT_CHARTS_END_NAMESPACE

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Titta Heikkala Updated license headers...	r2845	/******************************************************************************
Miikka Heikkinen Accelerating lineseries with OpenGL...	r2820	**
Titta Heikkala Updated license headers...	r2845	** Copyright (C) 2015 The Qt Company Ltd.
		** Contact: http://www.qt.io/licensing/
Miikka Heikkinen Accelerating lineseries with OpenGL...	r2820	**
		** This file is part of the Qt Charts module.
		**
Titta Heikkala Updated license headers...	r2845	** $QT_BEGIN_LICENSE:COMM$
Miikka Heikkinen Accelerating lineseries with OpenGL...	r2820	**
Titta Heikkala Updated license headers...	r2845	** 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 http://www.qt.io/terms-conditions. For further
		** information use the contact form at http://www.qt.io/contact-us.
Miikka Heikkinen Accelerating lineseries with OpenGL...	r2820	**
Titta Heikkala Updated license headers...	r2845	** $QT_END_LICENSE$
		**
		******************************************************************************/
Miikka Heikkinen Accelerating lineseries with OpenGL...	r2820
		#include "declarativechartnode.h"
		#include "declarativerendernode.h"
		#include <QtGui/QOpenGLContext>
		#include <QtGui/QOpenGLFunctions>
		#include <QtGui/QOpenGLFramebufferObjectFormat>
		#include <QtGui/QOpenGLFramebufferObject>
		#include <QOpenGLShaderProgram>
		#include <QtGui/QOpenGLBuffer>

		QT_CHARTS_BEGIN_NAMESPACE

		// This node handles displaying of the chart itself
		DeclarativeChartNode::DeclarativeChartNode(QQuickWindow *window) :
		QSGSimpleTextureNode(),
		m_texture(0),
		m_window(window),
		m_textureOptions(0),
		m_textureSize(1, 1),
		m_glRenderNode(0)
		{
		// Our texture node must have a texture, so use a default one pixel texture
Miikka Heikkinen Fix crash when using linuxfb and 2D renderer...	r2868	QImage dummyImage(QSize(1, 1), QImage::Format_ARGB32);
		uchar *imageData = dummyImage.bits();
		imageData[0] = 0;
		imageData[1] = 0;
		imageData[2] = 0;
		imageData[3] = 0;
Miikka Heikkinen Accelerating lineseries with OpenGL...	r2820	QQuickWindow::CreateTextureOptions defaultTextureOptions = QQuickWindow::CreateTextureOptions(
		QQuickWindow::TextureHasAlphaChannel \| QQuickWindow::TextureOwnsGLTexture);
Miikka Heikkinen Fix crash when using linuxfb and 2D renderer...	r2868	m_texture = m_window->createTextureFromImage(dummyImage, defaultTextureOptions);
Miikka Heikkinen Accelerating lineseries with OpenGL...	r2820
		setTexture(m_texture);
		setFiltering(QSGTexture::Linear);

Miikka Heikkinen Fix crash when using linuxfb and 2D renderer...	r2868	if (QOpenGLContext::currentContext()) {
		// Create child node for rendering GL graphics
		m_glRenderNode = new DeclarativeRenderNode(m_window);
		m_glRenderNode->setFlag(OwnedByParent);
		appendChildNode(m_glRenderNode);
		m_glRenderNode->setRect(0, 0, 0, 0); // Hide child node by default
		}
Miikka Heikkinen Accelerating lineseries with OpenGL...	r2820	}

		DeclarativeChartNode::~DeclarativeChartNode()
		{
		delete m_texture;
		}

		// Must be called on render thread and in context
		void DeclarativeChartNode::createTextureFromImage(const QImage &chartImage)
		{
		if (chartImage.size() != m_textureSize)
		m_textureSize = chartImage.size();

		delete m_texture;
		m_texture = m_window->createTextureFromImage(chartImage, m_textureOptions);
		setTexture(m_texture);
		}

		QT_CHARTS_END_NAMESPACE