bezier_assistant.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 <eda_item.h>
#include <preview_items/bezier_geom_manager.h>
#include <layer_ids.h>
 
namespace KIGFX
{
namespace PREVIEW
{
    class BEZIER_ASSISTANT : public EDA_ITEM
    {
    public:
        BEZIER_ASSISTANT( const BEZIER_GEOM_MANAGER& aManager, const EDA_IU_SCALE& aIuScale,
                          EDA_UNITS aUnits );
 
        const BOX2I ViewBBox() const override;
 
        void ViewGetLayers( int aLayers[], int& aCount ) const override
        {
            aLayers[0] = LAYER_SELECT_OVERLAY; // Assistant graphics
            aLayers[1] = LAYER_GP_OVERLAY;     // Drop shadows
            aCount = 2;
        }
 
        void ViewDraw( int aLayer, KIGFX::VIEW* aView ) const override final;
 
#if defined( DEBUG )
        void Show( int x, std::ostream& st ) const override {}
#endif
 
        wxString GetClass() const override { return "BEZIER_ASSISTANT"; }
 
        void SetUnits( EDA_UNITS aUnits ) { m_units = aUnits; }
 
    private:
        const BEZIER_GEOM_MANAGER& m_constructMan;
        const EDA_IU_SCALE&        m_iuScale;
        EDA_UNITS                  m_units;
    };
} // namespace PREVIEW
} // namespace KIGFX