mirror of
https://github.com/OPM/ResInsight.git
synced 2025-02-25 18:55:39 -06:00
47b93dc0d1
* First PDF creation support * Reimplement info box * Set title and make overlay frame margins more unified * Remove a style sheet that was never meant to be applied to Project Tree * Update RiuDraggableOverlayFrame when changing content * Default page layout in Preferences * undo removal of elision * Remove friend class assignment in cafCategoryMapper * the required methods have been made public * Fix up after review * Remove spurious const on by-value return * Fix compile errors on Linux * Fix size adjustment of legends with plot resizing
150 lines
5.7 KiB
C++
150 lines
5.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2018- Equinor ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#include "RiuCvfOverlayItemWidget.h"
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#include "RiaGuiApplication.h"
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#include "cafAssert.h"
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#include "cafTitledOverlayFrame.h"
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#include "cafViewer.h"
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#include "cvfCamera.h"
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#include "cvfFramebufferObject.h"
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#include "cvfRenderSequence.h"
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#include "cvfRenderbufferObject.h"
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#include "cvfRendering.h"
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#include "cvfqtUtils.h"
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#include <QLabel>
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#include <QPainter>
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#include <QPixmap>
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#include <QPushButton>
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#include <QResizeEvent>
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#include "glew/GL/glew.h"
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RiuCvfOverlayItemWidget::RiuCvfOverlayItemWidget( caf::TitledOverlayFrame* overlayItem,
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QWidget* parent,
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const int snapMargins,
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const QColor& backgroundColor /*= QColor( 255, 255, 255, 100 ) */ )
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: RiuDraggableOverlayFrame( parent, snapMargins, backgroundColor )
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, m_overlayItem( overlayItem )
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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RiuCvfOverlayItemWidget::~RiuCvfOverlayItemWidget() {}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QSize RiuCvfOverlayItemWidget::sizeHint() const
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{
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auto preferredSize = const_cast<caf::TitledOverlayFrame*>( m_overlayItem.p() )->preferredSize();
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return QSize( preferredSize.x(), preferredSize.y() );
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuCvfOverlayItemWidget::renderTo( QPainter* painter, const QRect& paintRect, double scaleX, double scaleY )
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{
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unsigned int width = static_cast<unsigned int>( paintRect.width() );
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unsigned int height = static_cast<unsigned int>( paintRect.height() );
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m_overlayItem->setRenderSize( cvf::Vec2ui( width, height ) );
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QGLFormat glFormat;
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glFormat.setDirectRendering( RiaGuiApplication::instance()->useShaders() );
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caf::Viewer* viewer = new caf::Viewer( glFormat, nullptr );
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cvf::OpenGLContext* cvfOglContext = viewer->cvfOpenGLContext();
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viewer->resize( width, height );
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// Create a rendering
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cvf::ref<cvf::Rendering> rendering = new cvf::Rendering;
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m_overlayItem->setLayoutFixedPosition( {0, 0} );
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rendering->addOverlayItem( m_overlayItem.p() );
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rendering->camera()->setViewport( 0, 0, width, height );
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rendering->camera()->viewport()->setClearColor( {1, 1, 1, 0} );
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cvf::ref<cvf::RenderSequence> renderingSequence = new cvf::RenderSequence;
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renderingSequence->addRendering( rendering.p() );
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if ( RiaGuiApplication::instance()->useShaders() )
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{
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// Set up frame and render buffers
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cvf::ref<cvf::FramebufferObject> fbo = new cvf::FramebufferObject;
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cvf::ref<cvf::RenderbufferObject> rboColor = new cvf::RenderbufferObject( cvf::RenderbufferObject::RGBA,
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width,
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height );
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cvf::ref<cvf::RenderbufferObject> rboDepth =
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new cvf::RenderbufferObject( cvf::RenderbufferObject::DEPTH_COMPONENT24, width, height );
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fbo->attachDepthRenderbuffer( rboDepth.p() );
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fbo->attachColorRenderbuffer( 0, rboColor.p() );
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fbo->applyOpenGL( cvfOglContext );
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rendering->setTargetFramebuffer( fbo.p() );
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fbo->bind( cvfOglContext );
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}
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renderingSequence->render( cvfOglContext );
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// Read data from frame buffer
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cvf::UByteArray arr( 4 * width * height );
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glReadPixels( 0, 0, static_cast<GLsizei>( width ), static_cast<GLsizei>( height ), GL_RGBA, GL_UNSIGNED_BYTE, arr.ptr() );
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// Create a cvf texture image
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cvf::ref<cvf::TextureImage> img = new cvf::TextureImage;
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img->setData( arr.ptr(), width, height );
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QImage image = cvfqt::Utils::toQImage( *img.p() );
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// image.save("jjsLegendImageTest.png");
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QPixmap pixmap = QPixmap::fromImage( image );
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delete viewer;
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painter->save();
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painter->drawPixmap( paintRect.topLeft(), pixmap );
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painter->restore();
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void RiuCvfOverlayItemWidget::paintEvent( QPaintEvent* e )
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{
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QRect paintRect = e->rect();
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QPainter painter( this );
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renderTo( &painter, paintRect, 1.0, 1.0 );
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}
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