polygon_item.h

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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, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef PREVIEW_POLYGON_ITEM__H_
#define PREVIEW_POLYGON_ITEM__H_
 
#include <preview_items/simple_overlay_item.h>
 
#include <gal/color4d.h>
#include <geometry/shape_poly_set.h>
#include <geometry/shape_line_chain.h>
 
namespace KIGFX
{
 
class GAL;
class VIEW;
 
namespace PREVIEW
{

class POLYGON_ITEM : public SIMPLE_OVERLAY_ITEM
{
 
public:
    POLYGON_ITEM();

    void SetLineColor( KIGFX::COLOR4D lineColor );

    void SetLeaderColor( KIGFX::COLOR4D leaderColor );

    virtual const BOX2I ViewBBox() const override;

    void SetPoints( const SHAPE_LINE_CHAIN& aLockedInPts, const SHAPE_LINE_CHAIN& aLeaderPts,
                    const SHAPE_LINE_CHAIN& aLoopPts );
 
private:
    void drawPreviewShape( KIGFX::VIEW* aView ) const override;

    SHAPE_LINE_CHAIN m_lockedChain, m_leaderChain, m_loopChain;

    SHAPE_POLY_SET m_polyfill;

    KIGFX::COLOR4D m_lineColor;

    KIGFX::COLOR4D m_leaderColor;
 
    static const double POLY_LINE_WIDTH;
};
 
} // PREVIEW
} // KIGFX
 
#endif // PREVIEW_POLYGON_ITEM__H_