TYCameraZoneEditor.cpp

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/*
 * Copyright (C) <2012> <EDF-R&D> <FRANCE>
 * This program 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 2 of the License, or
 * (at your option) any later version.
 * This program 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, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#include <cmath>
 
#include <qdialog.h>
#include <qmessagebox.h>
#include <qpushbutton.h>
#include <qlineedit.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qcursor.h>
 
#include "Tympan/models/business/geometry/TYRepere.h"
#include "Tympan/models/business/OLocalizator.h"
#include "Tympan/gui/tools/OGLRectangleElement.h"
#include "Tympan/gui/gl/TYPointGraphic.h"
#include "Tympan/gui/app/TYModelerFrame.h"
#include "Tympan/gui/app/TYRenderWindowInteractor.h"
#include "Tympan/gui/app/TYCameraEditor.h"
#include "Tympan/gui/app/TYApplication.h"
#include "TYCameraZoneEditor.h"
 
#ifndef min
    #define min(a, b) (((a) < (b)) ? (a) : (b))
#endif
 
#define TR(id) OLocalizator::getString("TYCameraZoneEditor", (id))
 
TYCameraZoneEditor::TYCameraZoneEditor(TYModelerFrame* pModeler) : TYAbstractSceneEditor(pModeler)
{
    _pOGLRectangleElement = new OGLRectangleElement();
    _pOGLRectangleElement->setVisibility(false);
    OColor oLineColor;
    oLineColor.r = 1.0;
    oLineColor.g = 0.0;
    oLineColor.b = 0.0;
    _pOGLRectangleElement->setColor(oLineColor);
    _pOGLRectangleElement->setPoint0(OPoint3D(0.0, 0.0, 0.0));
    _pOGLRectangleElement->setPoint1(OPoint3D(0.0, 0.0, 0.0));
    _pOGLRectangleElement->setPoint2(OPoint3D(0.0, 0.0, 0.0));
    _pOGLRectangleElement->setPoint3(OPoint3D(0.0, 0.0, 0.0));
    _pInteractor->getRenderer()->addOGLElement(_pOGLRectangleElement);
 
    _moving = false;
    _active = false;
    slotViewTypeChanged(_pModeler->getCurrentView());
}
 
TYCameraZoneEditor::~TYCameraZoneEditor()
{
    _pInteractor->getRenderer()->removeOGLElement(_pOGLRectangleElement);
    delete _pOGLRectangleElement;
}
 
void TYCameraZoneEditor::init() {}
 
void TYCameraZoneEditor::cancel()
{
    _moving = false;
    _active = false;
 
    showText(false);
 
    _pOGLRectangleElement->setVisibility(false);
    _pInteractor->updateGL();
}
 
void TYCameraZoneEditor::close()
{
    cancel();
}
 
void TYCameraZoneEditor::slotViewTypeChanged(int view)
{
    if (view != TYModelerFrame::PerspView)
    {
        _active = true;
    }
    else
    {
        _active = false;
    }
}
 
void TYCameraZoneEditor::slotMousePressed(int x, int y, Qt::MouseButton button, Qt::KeyboardModifiers state)
{
    if ((button == Qt::LeftButton) && _active)
    {
        if (getTYApp()->getCurProjet() && getTYApp()->getCurProjet()->getCurrentCalcul())
        {
            // Init points
            _pOGLRectangleElement->setPoint0(OPoint3D(x, _pInteractor->height() - y, 0.0));
            _pOGLRectangleElement->setPoint1(OPoint3D(x, _pInteractor->height() - y, 0.0));
            _pOGLRectangleElement->setPoint2(OPoint3D(x, _pInteractor->height() - y, 0.0));
            _pOGLRectangleElement->setPoint3(OPoint3D(x, _pInteractor->height() - y, 0.0));
 
            _moving = true;
        }
        else
        {
            _moving = false;
 
            // Msg "Pas de calcul courant..."
            QString msg(TR("id_warning_no_curcalcul"));
            writeOutputMsg(msg);
            QMessageBox::warning(_pModeler, "Tympan", msg, QMessageBox::Ok, QMessageBox::NoButton);
        }
    }
}
 
void TYCameraZoneEditor::slotMouseReleased(int x, int y, Qt::MouseButton button, Qt::KeyboardModifiers state)
{
    if ((button == Qt::LeftButton) && _active && _moving)
    {
        _moving = false;
 
        NxVec3 world0 = OGLCamera::displayToWorld(NxVec3(_pOGLRectangleElement->getPoint0()[0],
                                                         -_pOGLRectangleElement->getPoint0()[2],
                                                         _pOGLRectangleElement->getPoint0()[1]));
        NxVec3 world1 = OGLCamera::displayToWorld(NxVec3(_pOGLRectangleElement->getPoint1()[0],
                                                         -_pOGLRectangleElement->getPoint1()[2],
                                                         _pOGLRectangleElement->getPoint1()[1]));
        NxVec3 world2 = OGLCamera::displayToWorld(NxVec3(_pOGLRectangleElement->getPoint2()[0],
                                                         -_pOGLRectangleElement->getPoint2()[2],
                                                         _pOGLRectangleElement->getPoint2()[1]));
        TYPoint pt0(world0.x, world0.y, world0.z);
        TYPoint pt1(world1.x, world1.y, world1.z);
        TYPoint pt2(world2.x, world2.y, world2.z);
 
        double sizeX = OVector3D(pt0, pt1).norme();
        double sizeY = OVector3D(pt1, pt2).norme();
        double sizeZ = 0;
 
        // Si la grille magnetique est activee
        if (_pModeler->getSnapGridActive())
        {
            snapToGrid(sizeX, sizeY, sizeZ, _gridMagnStep);
        }
 
        // Si la taille est valide
        if (sizeX && sizeY)
        {
            if (_pModeler->askForResetResultat())
            {
                TYCameraEditor* pCameraEditor = (TYCameraEditor*)_pModeler->getCameraEditor();
 
                float focalPoint[3];
                focalPoint[0] =
                    _pOGLRectangleElement->getPoint0()[0] +
                    (_pOGLRectangleElement->getPoint2()[0] - _pOGLRectangleElement->getPoint0()[0]) / 2;
                focalPoint[1] =
                    _pOGLRectangleElement->getPoint0()[1] +
                    (_pOGLRectangleElement->getPoint2()[1] - _pOGLRectangleElement->getPoint0()[1]) / 2;
                focalPoint[2] =
                    _pOGLRectangleElement->getPoint0()[2] +
                    (_pOGLRectangleElement->getPoint2()[2] - _pOGLRectangleElement->getPoint0()[2]) / 2;
 
                double factor = 1;
                factor =
                    min(_pInteractor->width() /
                            (_pOGLRectangleElement->getPoint1()[0] - _pOGLRectangleElement->getPoint0()[0]),
                        _pInteractor->height() /
                            (_pOGLRectangleElement->getPoint1()[1] - _pOGLRectangleElement->getPoint2()[1]));
                pCameraEditor->cameraZoneZoom(focalPoint, fabs(factor));
            }
        }
 
        showText(false);
 
        _pOGLRectangleElement->setVisibility(false);
        _pModeler->updateView();
 
        TYApplication::restoreOverrideCursor();
    }
}
 
void TYCameraZoneEditor::slotMouseMoved(int x, int y, Qt::MouseButtons button, Qt::KeyboardModifiers state)
{
    if (_active && _moving)
    {
        _pOGLRectangleElement->setPoint1(OPoint3D(x, _pOGLRectangleElement->getPoint0()[1], 0.0));
        _pOGLRectangleElement->setPoint2(OPoint3D(x, _pInteractor->height() - y, 0.0));
        _pOGLRectangleElement->setPoint3(
            OPoint3D(_pOGLRectangleElement->getPoint0()[0], _pInteractor->height() - y, 0.0));
 
        NxVec3 world0 = OGLCamera::displayToWorld(
            NxVec3(_pOGLRectangleElement->getPoint0()[0],
                   -_pOGLRectangleElement->getPoint0()[1] + _pInteractor->height(), 0));
        NxVec3 world1 = OGLCamera::displayToWorld(
            NxVec3(_pOGLRectangleElement->getPoint1()[0],
                   -_pOGLRectangleElement->getPoint1()[1] + _pInteractor->height(), 0));
        NxVec3 world2 = OGLCamera::displayToWorld(NxVec3(_pOGLRectangleElement->getPoint2()[0], y, 0));
        TYPoint pt0(world0.x, world0.z, 0);
        TYPoint pt1(world1.x, world1.z, 0);
        TYPoint pt2(world2.x, world2.z, 0);
 
        double sizeX = OVector3D(pt0, pt1).norme();
        double sizeY = OVector3D(pt1, pt2).norme();
        double sizeZ = 0;
 
        // Si la grille magnetique est activee
        if (_pModeler->getSnapGridActive())
        {
            snapToGrid(sizeX, sizeY, sizeZ, _gridMagnStep);
        }
        updateText(
            QString(TR("id_size_info")).arg(sizeX, 0, 'f', 2).arg(sizeY, 0, 'f', 2),
            (int)(_pOGLRectangleElement->getPoint0()[0] +
                  (_pOGLRectangleElement->getPoint1()[0] - _pOGLRectangleElement->getPoint0()[0]) / 2.0),
            (int)(_pOGLRectangleElement->getPoint1()[1] +
                  (_pOGLRectangleElement->getPoint2()[1] - _pOGLRectangleElement->getPoint1()[1]) / 2.0));
 
        _pOGLRectangleElement->setVisibility(true);
        _pInteractor->updateGL();
    }
}