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

No longer automatically disable QDateTimeAxis on ARM platforms...

No longer automatically disable QDateTimeAxis on ARM platforms QDateTimeAxis is now only disabled on platforms that define qreal as float. Change-Id: I08d393d328c972d74b27bd218e4cd01e844800c9 Reviewed-by: Tomi Korpipää <tomi.korpipaa@theqtcompany.com> Reviewed-by: Mika Salmela <mika.salmela@theqtcompany.com> Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

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             declarativechartnode.cpp
        
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        Miikka Heikkinen
    
Updated license...

              r2854
            
      /****************************************************************************

        Miikka Heikkinen
    
Accelerating lineseries with OpenGL...

              r2820
            
      **

        Miikka Heikkinen
    
Updated license...

              r2854
            
      ** Copyright (C) 2016 The Qt Company Ltd.

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

        Miikka Heikkinen
    
Accelerating lineseries with OpenGL...

              r2820
            
      **

        Miikka Heikkinen
    
Updated license...

              r2854
            
      ** This file is part of the Qt Charts module of the Qt Toolkit.

        Miikka Heikkinen
    
Accelerating lineseries with OpenGL...

              r2820
            
      **

        Miikka Heikkinen
    
Updated license...

              r2854
            
      ** $QT_BEGIN_LICENSE:GPL$

        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

        Miikka Heikkinen
    
Updated license...

              r2854
            
      ** and conditions see https://www.qt.io/terms-conditions. For further

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

      **

      ** GNU General Public License Usage

      ** Alternatively, this file may be used under the terms of the GNU

      ** General Public License version 3 or (at your option) any later version

      ** approved by the KDE Free Qt Foundation. The licenses are as published by

      ** the Free Software Foundation and appearing in the file LICENSE.GPL3

      ** included in the packaging of this file. Please review the following

      ** information to ensure the GNU General Public License requirements will

      ** be met: https://www.gnu.org/licenses/gpl-3.0.html.

        Miikka Heikkinen
    
Accelerating lineseries with OpenGL...

              r2820
            
      **

        Titta Heikkala
    
Updated license headers...

              r2845
            
      ** $QT_END_LICENSE$

      **

        Miikka Heikkinen
    
Updated license...

              r2854
            
      ****************************************************************************/

        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)

      {

          initializeOpenGLFunctions();

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

          GLuint defaultTexture = 0;

          glGenTextures(1, &defaultTexture);

          glBindTexture(GL_TEXTURE_2D, defaultTexture);

          uchar buf[4] = { 0, 0, 0, 0 };

          glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, &buf);

          QQuickWindow::CreateTextureOptions defaultTextureOptions = QQuickWindow::CreateTextureOptions(

                  QQuickWindow::TextureHasAlphaChannel | QQuickWindow::TextureOwnsGLTexture);

          m_texture = m_window->createTextureFromId(defaultTexture, QSize(1, 1), defaultTextureOptions);

          setTexture(m_texture);

          setFiltering(QSGTexture::Linear);

          // 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

      }

      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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Miikka Heikkinen Updated license...	r2854	/****************************************************************************
Miikka Heikkinen Accelerating lineseries with OpenGL...	r2820	**
Miikka Heikkinen Updated license...	r2854	** Copyright (C) 2016 The Qt Company Ltd.
		** Contact: https://www.qt.io/licensing/
Miikka Heikkinen Accelerating lineseries with OpenGL...	r2820	**
Miikka Heikkinen Updated license...	r2854	** This file is part of the Qt Charts module of the Qt Toolkit.
Miikka Heikkinen Accelerating lineseries with OpenGL...	r2820	**
Miikka Heikkinen Updated license...	r2854	** $QT_BEGIN_LICENSE:GPL$
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
Miikka Heikkinen Updated license...	r2854	** and conditions see https://www.qt.io/terms-conditions. For further
		** information use the contact form at https://www.qt.io/contact-us.
		**
		** GNU General Public License Usage
		** Alternatively, this file may be used under the terms of the GNU
		** General Public License version 3 or (at your option) any later version
		** approved by the KDE Free Qt Foundation. The licenses are as published by
		** the Free Software Foundation and appearing in the file LICENSE.GPL3
		** included in the packaging of this file. Please review the following
		** information to ensure the GNU General Public License requirements will
		** be met: https://www.gnu.org/licenses/gpl-3.0.html.
Miikka Heikkinen Accelerating lineseries with OpenGL...	r2820	**
Titta Heikkala Updated license headers...	r2845	** $QT_END_LICENSE$
		**
Miikka Heikkinen Updated license...	r2854	****************************************************************************/
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)
		{
		initializeOpenGLFunctions();

		// Our texture node must have a texture, so use a default one pixel texture
		GLuint defaultTexture = 0;
		glGenTextures(1, &defaultTexture);
		glBindTexture(GL_TEXTURE_2D, defaultTexture);
		uchar buf[4] = { 0, 0, 0, 0 };
		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, &buf);

		QQuickWindow::CreateTextureOptions defaultTextureOptions = QQuickWindow::CreateTextureOptions(
		QQuickWindow::TextureHasAlphaChannel \| QQuickWindow::TextureOwnsGLTexture);
		m_texture = m_window->createTextureFromId(defaultTexture, QSize(1, 1), defaultTextureOptions);

		setTexture(m_texture);
		setFiltering(QSGTexture::Linear);

		// 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
		}

		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