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/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright The 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 <gal/graphics_abstraction_layer.h>
#include <gal/painter.h>
#include <view/view.h>
using namespace KIGFX::PREVIEW;
const double POLYGON_ITEM::POLY_LINE_WIDTH = 1;
POLYGON_ITEM::POLYGON_ITEM() :
SIMPLE_OVERLAY_ITEM()
{
m_lineColor = KIGFX::COLOR4D::UNSPECIFIED;
m_leaderColor = KIGFX::COLOR4D::UNSPECIFIED;
}
void POLYGON_ITEM::SetLineColor( KIGFX::COLOR4D lineColor )
{
m_lineColor = lineColor;
}
void POLYGON_ITEM::SetLeaderColor( KIGFX::COLOR4D leaderColor )
{
m_leaderColor = leaderColor;
}
void POLYGON_ITEM::SetPoints( const SHAPE_LINE_CHAIN& aLockedInPts,
const SHAPE_LINE_CHAIN& aLeaderPts, const SHAPE_LINE_CHAIN& aLoopPts )
{
m_lockedChain = aLockedInPts;
m_leaderChain = aLeaderPts;
m_loopChain = aLoopPts;
m_polyfill.RemoveAllContours();
m_polyfill.NewOutline();
for( int i = 0; i < aLockedInPts.PointCount(); ++i )
m_polyfill.Append( aLockedInPts.CPoint( i ) );
for( int i = 0; i < aLeaderPts.PointCount(); ++i )
m_polyfill.Append( aLeaderPts.CPoint( i ) );
for( int i = 0; i < aLoopPts.PointCount(); ++i )
m_polyfill.Append( aLoopPts.CPoint( i ) );
}
void POLYGON_ITEM::drawPreviewShape( KIGFX::VIEW* aView ) const
{
KIGFX::GAL& gal = *aView->GetGAL();
RENDER_SETTINGS* renderSettings = aView->GetPainter()->GetSettings();
gal.SetIsStroke( true );
if( m_lockedChain.PointCount() >= 2 )
{
if( m_lineColor != KIGFX::COLOR4D::UNSPECIFIED )
gal.SetStrokeColor( m_lineColor );
gal.SetLineWidth( (float) aView->ToWorld( POLY_LINE_WIDTH ) );
gal.DrawPolyline( m_lockedChain );
}
// draw the leader line in a different color
if( m_leaderChain.PointCount() >= 2 )
{
if( m_leaderColor != KIGFX::COLOR4D::UNSPECIFIED )
gal.SetStrokeColor( m_leaderColor );
else
gal.SetStrokeColor( renderSettings->GetLayerColor( LAYER_AUX_ITEMS ) );
gal.DrawPolyline( m_leaderChain );
}
gal.SetIsStroke( false );
for( int j = 0; j < m_polyfill.OutlineCount(); ++j )
{
const SHAPE_LINE_CHAIN& outline = m_polyfill.COutline( j );
if( outline.PointCount() >= 2 )
gal.DrawPolygon( outline );
}
}
const BOX2I POLYGON_ITEM::ViewBBox() const
{
return m_polyfill.BBox();
}
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