pendulumwindowwindow.cpp

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

Copyright (C) The University of Auckland

OpenCOR is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

OpenCOR is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

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

//==============================================================================
// Pendulum window
//==============================================================================

#include "borderedwidget.h"
#include "corecliutils.h"
#include "pendulumwindowwindow.h"
#include "zincwidget.h"

//==============================================================================

#include "ui_pendulumwindowwindow.h"

//==============================================================================

#include <QDir>

//==============================================================================

#include "opencmiss/zinc/fieldmodule.hpp"
#include "opencmiss/zinc/fieldvectoroperators.hpp"

//==============================================================================

namespace OpenCOR {
namespace PendulumWindow {

//==============================================================================

PendulumWindowWindow::PendulumWindowWindow(QWidget *pParent) :
    Core::WindowWidget(pParent),
    mGui(new Ui::PendulumWindowWindow),
    mZincContext(0),
    mZincSceneViewerDescription(0),
    mAxesFontPointSize(0)
{
    // Set up the GUI

    mGui->setupUi(this);

    // Create and add a Zinc widget

    mZincWidget = new ZincWidget::ZincWidget(this);

    connect(mZincWidget, SIGNAL(contextAboutToBeDestroyed()),
            this, SLOT(createAndSetZincContext()));
    connect(mZincWidget, SIGNAL(graphicsInitialized()),
            this, SLOT(graphicsInitialized()));
    connect(mZincWidget, SIGNAL(devicePixelRatioChanged(const int &)),
            this, SLOT(devicePixelRatioChanged(const int &)));

#if defined(Q_OS_WIN) || defined(Q_OS_LINUX)
    mGui->layout->addWidget(new Core::BorderedWidget(mZincWidget,
                                                     false, true, true, true));
#elif defined(Q_OS_MAC)
    mGui->layout->addWidget(mZincWidget);
#else
    #error Unsupported platform
#endif

    // Create and set our Zinc context

    createAndSetZincContext();
}

//==============================================================================

PendulumWindowWindow::~PendulumWindowWindow()
{
    // Delete some internal objects

    delete mZincContext;

    // Delete the GUI

    delete mGui;
}

//==============================================================================

void PendulumWindowWindow::retranslateUi()
{
    // Retranslate our whole window

    mGui->retranslateUi(this);
}

//==============================================================================

void PendulumWindowWindow::createAndSetZincContext()
{
    // Keep track of our current scene viewer's description

    mZincSceneViewerDescription = mZincWidget->sceneViewer().writeDescription();

    // Create and set our Zinc context

    mZincContext = new OpenCMISS::Zinc::Context("PendulumWindowWindow");

    mZincContext->getMaterialmodule().defineStandardMaterials();
    mZincContext->getGlyphmodule().defineStandardGlyphs();

    mZincWidget->setContext(mZincContext);
}

//==============================================================================

void PendulumWindowWindow::graphicsInitialized()
{
    // Set our 'new' scene viewer's description

    mZincWidget->sceneViewer().readDescription(mZincSceneViewerDescription);

    // Our Zinc widget has had its graphics initialised, so now we can set its
    // background colour

    double backgroundColor[4] = { 1.0, 1.0, 1.0, 1.0 };

    mZincWidget->sceneViewer().setBackgroundColourRGBA(backgroundColor);
}

//==============================================================================

void PendulumWindowWindow::devicePixelRatioChanged(const int &pDevicePixelRatio)
{
    // Update our scene using the given devide pixel ratio

    OpenCMISS::Zinc::Scene scene = mZincContext->getDefaultRegion().getScene();

    scene.beginChange();
        scene.createGraphicsPoints().getGraphicspointattributes().getFont().setPointSize(pDevicePixelRatio*mAxesFontPointSize);
    scene.endChange();
}

//==============================================================================

}   // namespace PendulumWindow
}   // namespace OpenCOR

//==============================================================================
// End of file
//==============================================================================