ruler_item.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2017-2021 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
 */
 
#ifndef PREVIEW_ITEMS_RULER_ITEM_H
#define PREVIEW_ITEMS_RULER_ITEM_H
 
#include <eda_item.h>
#include <preview_items/two_point_geom_manager.h>
 
namespace KIGFX
{
class GAL;
 
namespace PREVIEW
{
class TWO_POINT_GEOMETRY_MANAGER;
 
class RULER_ITEM : public EDA_ITEM
{
public:
 RULER_ITEM( const TWO_POINT_GEOMETRY_MANAGER& m_geomMgr, const EDA_IU_SCALE& aIuScale, EDA_UNITS userUnits, bool aFlipX,
 bool aFlipY );
 
 const BOX2I ViewBBox() const override;
 
 void ViewGetLayers( int aLayers[], int& aCount ) const override;
 
 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 wxT( "RULER_ITEM" );
 }
 
 void SwitchUnits( EDA_UNITS aUnits ) { m_userUnits = aUnits; }
 
 void UpdateDir( bool aFlipX, bool aFlipY )
 {
 m_flipX = aFlipX;
 m_flipY = aFlipY;
 }
 
private:
 const TWO_POINT_GEOMETRY_MANAGER& m_geomMgr;
 EDA_UNITS m_userUnits;
 const EDA_IU_SCALE& m_iuScale;
 bool m_flipX;
 bool m_flipY;
};
 
} // PREVIEW
} // KIGFX
 
#endif // PREVIEW_ITEMS_RULER_ITEM_H