95 lines
3.8 KiB
C++
95 lines
3.8 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2014 CERN
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* Copyright (C) 2020-2021 KiCad Developers, see AUTHORS.txt for contributors.
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* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef PCB_GRID_HELPER_H
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#define PCB_GRID_HELPER_H
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#include <vector>
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#include <pcb_item_containers.h>
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#include <tool/grid_helper.h>
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class TOOL_MANAGER;
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struct MAGNETIC_SETTINGS;
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struct SELECTION_FILTER_OPTIONS;
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class PCB_GRID_HELPER : public GRID_HELPER
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{
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public:
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PCB_GRID_HELPER( TOOL_MANAGER* aToolMgr, MAGNETIC_SETTINGS* aMagneticSettings );
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/**
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* Function GetSnapped
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* If the PCB_GRID_HELPER has highlighted a snap point (target shown), this function
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* will return a pointer to the item to which it snapped.
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*
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* @return NULL if not snapped. Pointer to snapped item otherwise
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*/
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BOARD_ITEM* GetSnapped() const;
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VECTOR2I AlignToSegment ( const VECTOR2I& aPoint, const SEG& aSeg );
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VECTOR2I BestDragOrigin( const VECTOR2I& aMousePos, std::vector<BOARD_ITEM*>& aItem,
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const SELECTION_FILTER_OPTIONS* aSelectionFilter = nullptr );
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VECTOR2I AlignToArc ( const VECTOR2I& aPoint, const SHAPE_ARC& aSeg );
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VECTOR2I AlignToNearestPad( const VECTOR2I& aMousePos, PADS& aPads );
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/**
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* Chooses the "best" snap anchor around the given point, optionally taking layers from
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* the reference item. The reference item will not be snapped to (it is being dragged or
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* created) and we choose the layers that can be snapped based on the reference item layer
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* @param aOrigin Point we want to snap from
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* @param aReferenceItem Reference item for layer/type special casing
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* @return snapped screen point
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*/
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VECTOR2I BestSnapAnchor( const VECTOR2I& aOrigin, BOARD_ITEM* aReferenceItem );
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VECTOR2I BestSnapAnchor( const VECTOR2I& aOrigin, const LSET& aLayers,
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const std::vector<BOARD_ITEM*>& aSkip = {} );
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private:
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std::set<BOARD_ITEM*> queryVisible( const BOX2I& aArea,
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const std::vector<BOARD_ITEM*>& aSkip ) const;
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ANCHOR* nearestAnchor( const VECTOR2I& aPos, int aFlags, LSET aMatchLayers );
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/**
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* computeAnchors inserts the local anchor points in to the grid helper for the specified
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* board item, given the reference point and the direction of use for the point.
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*
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* @param aItem The board item for which to compute the anchors
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* @param aRefPos The point for which to compute the anchors (if used by the component)
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* @param aFrom Is this for an anchor that is designating a source point (aFrom=true) or not
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*/
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void computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos, bool aFrom = false,
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const SELECTION_FILTER_OPTIONS* aSelectionFilter = nullptr );
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private:
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MAGNETIC_SETTINGS* m_magneticSettings;
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};
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#endif
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