view_item.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2013-2016 CERN
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 * @author Tomasz Wlostowski <[email protected]>
 *
 * 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, see <https://www.gnu.org/licenses/>.
 */
 
#include <view/view_item.h>
#include <view/view.h>
#include <gal/painter.h>
 
using namespace KIGFX;
 
VIEW_ITEM::~VIEW_ITEM()
{
    VIEW::OnDestroy( this );
    m_viewPrivData = nullptr;
}
 
 
double VIEW_ITEM::lodScaleForThreshold( const VIEW* aView, int aWhatIu, int aThresholdIu )
{
    if( aView->GetPainter()->GetSettings()->IsPrinting() )
        return LOD_SHOW;
 
    if( aWhatIu == 0 )
        return LOD_HIDE;
 
    return double( aThresholdIu ) / aWhatIu;
}