pcb_grid_helper.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2014 CERN
 * Copyright (C) 2020-2021 KiCad Developers, see AUTHORS.txt for contributors.
 * @author Tomasz Wlostowski <[email protected]>
 *
 * 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 PCB_GRID_HELPER_H
#define PCB_GRID_HELPER_H
 
#include <vector>
 
#include <pcb_item_containers.h>
#include <tool/grid_helper.h>
#include <board.h>
 
class LSET;
class SHAPE_ARC;
class TOOL_MANAGER;
struct MAGNETIC_SETTINGS;
struct PCB_SELECTION_FILTER_OPTIONS;
 
class PCB_GRID_HELPER : public GRID_HELPER, public BOARD_LISTENER
{
public:
 
 PCB_GRID_HELPER( TOOL_MANAGER* aToolMgr, MAGNETIC_SETTINGS* aMagneticSettings );
 ~PCB_GRID_HELPER() override;
 
 BOARD_ITEM* GetSnapped() const;
 
 using GRID_HELPER::Align;
 using GRID_HELPER::AlignGrid;
 
 VECTOR2I AlignToSegment ( const VECTOR2I& aPoint, const SEG& aSeg );
 
 VECTOR2I BestDragOrigin( const VECTOR2I& aMousePos, std::vector<BOARD_ITEM*>& aItem,
 GRID_HELPER_GRIDS aGrid = GRID_HELPER_GRIDS::GRID_CURRENT,
 const PCB_SELECTION_FILTER_OPTIONS* aSelectionFilter = nullptr );
 
 VECTOR2I AlignToArc ( const VECTOR2I& aPoint, const SHAPE_ARC& aSeg );
 
 VECTOR2I AlignToNearestPad( const VECTOR2I& aMousePos, std::deque<PAD*>& aPads );
 
 virtual void OnBoardItemRemoved( BOARD& aBoard, BOARD_ITEM* aBoardItem ) override
 {
 if( m_snapItem->item == aBoardItem )
 {
 m_snapItem = std::nullopt;
 }
 }
 
 VECTOR2I BestSnapAnchor( const VECTOR2I& aOrigin, BOARD_ITEM* aReferenceItem,
 GRID_HELPER_GRIDS aGrid = GRID_HELPER_GRIDS::GRID_CURRENT );
 VECTOR2I BestSnapAnchor( const VECTOR2I& aOrigin, const LSET& aLayers,
 GRID_HELPER_GRIDS aGrid = GRID_HELPER_GRIDS::GRID_CURRENT,
 const std::vector<BOARD_ITEM*>& aSkip = {} );
 
 GRID_HELPER_GRIDS GetItemGrid( const EDA_ITEM* aItem ) const override;
 
 VECTOR2D GetGridSize( GRID_HELPER_GRIDS aGrid ) const override;
 
 
private:
 std::vector<BOARD_ITEM*> queryVisible( const BOX2I& aArea,
 const std::vector<BOARD_ITEM*>& aSkip ) const;
 
 ANCHOR* nearestAnchor( const VECTOR2I& aPos, int aFlags, LSET aMatchLayers );
 
 
 void computeAnchors( const std::vector<BOARD_ITEM*>& aItems, const VECTOR2I& aRefPos,
 bool aFrom, const PCB_SELECTION_FILTER_OPTIONS* aSelectionFilter );
 
 void computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos, bool aFrom,
 const PCB_SELECTION_FILTER_OPTIONS* aSelectionFilter );
 
private:
 MAGNETIC_SETTINGS* m_magneticSettings;
};
 
#endif