construction_geom.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2024 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
 */
#pragma once
 
#include <variant>
#include <vector>
 
#include <eda_item.h>
#include <gal/color4d.h>
 
#include <geometry/circle.h>
#include <geometry/half_line.h>
#include <geometry/line.h>
#include <geometry/seg.h>
#include <geometry/shape_arc.h>
 
namespace KIGFX
{
 
class CONSTRUCTION_GEOM : public EDA_ITEM
{
public:
 // Supported items
 using DRAWABLE = std::variant<SEG, LINE, HALF_LINE, CIRCLE, SHAPE_ARC, VECTOR2I>;
 
 CONSTRUCTION_GEOM();
 
 wxString GetClass() const override { return wxT( "CONSTRUCTION_GEOM" ); }
 
 const BOX2I ViewBBox() const override;
 
 void ViewDraw( int aLayer, VIEW* aView ) const override;
 
 void ViewGetLayers( int aLayers[], int& aCount ) const override;
 
 void SetColor( const COLOR4D& aColor ) { m_color = aColor; }
 void SetPersistentColor( const COLOR4D& aColor ) { m_persistentColor = aColor; }
 
 void AddDrawable( const DRAWABLE& aItem, bool aIsPersistent );
 void ClearDrawables();
 
 void SetSnapLine( const SEG& aLine ) { m_snapLine = aLine; }
 void ClearSnapLine() { m_snapLine.reset(); }
 
private:
 COLOR4D m_color;
 COLOR4D m_persistentColor;
 struct DRAWABLE_INFO
 {
 DRAWABLE Item;
 bool IsPersistent;
 };
 
 // The items to draw
 std::vector<DRAWABLE_INFO> m_drawables;
 
 // The snap line to draw
 std::optional<SEG> m_snapLine;
};
 
} // namespace KIGFX