gerbview_selection.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019 CERN
 * Copyright (C) 2019 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * 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 3 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 <http://www.gnu.org/licenses/>.
 */

#include <eda_item.h>
#include <view/view_group.h>
#include <gerber_draw_item.h>
#include <tools/gerbview_selection.h>

VECTOR2I GERBVIEW_SELECTION::GetCenter() const
{
 VECTOR2I centre;

 if( Size() == 1 )
 {
 centre = Front()->GetPosition();
 }
 else
 {
 EDA_RECT bbox = Front()->GetBoundingBox();
 auto i = m_items.begin();
 ++i;

 for( ; i != m_items.end(); ++i )
 bbox.Merge( (*i)->GetBoundingBox() );

 centre = bbox.Centre();
 }

 return centre;
}


const BOX2I GERBVIEW_SELECTION::ViewBBox() const
{
 EDA_RECT eda_bbox;

 if( Size() == 1 )
 {
 eda_bbox = Front()->GetBoundingBox();
 }
 else if( Size() > 1 )
 {
 eda_bbox = Front()->GetBoundingBox();
 auto i = m_items.begin();
 ++i;

 for( ; i != m_items.end(); ++i )
 eda_bbox.Merge( (*i)->GetBoundingBox() );
 }

 return BOX2I( eda_bbox.GetOrigin(), eda_bbox.GetSize() );
}