FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2019 WandererFan <wandererfan@gmail.com>                *
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 *                                                                         *
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 *   This file is part of the FreeCAD CAx development system.              *
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 *                                                                         *
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 *   This library is free software; you can redistribute it and/or         *
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 *   modify it under the terms of the GNU Library General Public           *
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 *   License as published by the Free Software Foundation; either          *
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 *   version 2 of the License, or (at your option) any later version.      *
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 *                                                                         *
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 *   This library  is distributed in the hope that it will be useful,      *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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 *   GNU Library General Public License for more details.                  *
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 *                                                                         *
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 *   You should have received a copy of the GNU Library General Public     *
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 *   License along with this library; see the file COPYING.LIB. If not,    *
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 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
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 *   Suite 330, Boston, MA  02111-1307, USA                                *
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 *                                                                         *
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 ***************************************************************************/
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#include "PreCompiled.h"
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#include <Base/Console.h>
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#include <Gui/MainWindow.h>
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#include <Gui/MDIView.h>
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#include <Gui/View3DInventor.h>
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#include <Gui/View3DInventorViewer.h>
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#include "Grabber3d.h"
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using namespace TechDrawGui;
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using namespace Gui;
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void Grabber3d::quickView(View3DInventor* view3d,
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                          const QColor bgColor,
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                          QImage &image)
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{
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//    Base::Console().Message("G3d::quickView());
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    if (!Gui::getMainWindow()) {
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        //this should already be checked in the caller
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        Base::Console().Warning("G3d::quickView - no Main Window - returning\n");
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        return;
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    }
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    if (!view3d) {
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        //this should also already be checked in the caller
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        Base::Console().Warning("G3d::quickView - no 3D view for ActiveView - returning\n");
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        return;
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    }
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    View3DInventorViewer* viewer = view3d->getViewer();
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    if (!viewer) {
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        Base::Console().Warning("G3d::quickView - could not create viewer - returning\n");
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        return;
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    }
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    //figure out the size of the active MdiView
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    SbViewportRegion vport(viewer->getSoRenderManager()->getViewportRegion());
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    SbVec2s vpSize = vport.getViewportSizePixels();
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    short width;
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    short height;
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    vpSize.getValue(width, height);
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    int samples = 8;  //magic number from Gui::View3DInventorViewer
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    viewer->savePicture(width, height, samples, bgColor, image);
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}
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