kicad/common/preview_items/polygon_item.cpp

77 lines
2.1 KiB
C++

/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2017 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 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <preview_items/polygon_item.h>
#include <preview_items/preview_utils.h>
#include <gal/graphics_abstraction_layer.h>
#include <view/view.h>
using namespace KIGFX::PREVIEW;
POLYGON_ITEM::POLYGON_ITEM():
SIMPLE_OVERLAY_ITEM()
{
}
void POLYGON_ITEM::SetPoints( const std::vector<VECTOR2I>& aLockedPts,
const std::vector<VECTOR2I>& aLeaderPts )
{
m_lockedChain.Clear();
m_leaderChain.Clear();
m_polyfill.RemoveAllContours();
m_polyfill.NewOutline();
for( auto& pt: aLockedPts )
{
m_lockedChain.Append( pt, false );
m_polyfill.Append( pt );
}
for( auto& pt: aLeaderPts )
{
m_leaderChain.Append( pt, false );
m_polyfill.Append( pt );
}
}
void POLYGON_ITEM::drawPreviewShape( KIGFX::GAL& aGal ) const
{
aGal.DrawPolyline( m_lockedChain );
aGal.DrawPolygon( m_polyfill );
// draw the leader line in a different color
aGal.SetStrokeColor( PreviewOverlayDefaultColor() );
aGal.DrawPolyline( m_leaderChain );
}
const BOX2I POLYGON_ITEM::ViewBBox() const
{
return m_polyfill.BBox();
}