109 lines
3.7 KiB
C++
109 lines
3.7 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) 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 EE_GRID_HELPER_H
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#define EE_GRID_HELPER_H
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#include <math/vector2d.h>
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#include <origin_viewitem.h>
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#include <tool/grid_helper.h>
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#include <ee_selection.h>
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class SCH_ITEM;
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class LIB_ITEM;
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enum GRID_HELPER_GRIDS : int
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{
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// When the item doesn't match an override, use the current user grid
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GRID_CURRENT,
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GRID_CONNECTABLE,
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GRID_WIRES,
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GRID_TEXT,
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GRID_GRAPHICS
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};
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class EE_GRID_HELPER : public GRID_HELPER
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{
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public:
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EE_GRID_HELPER( TOOL_MANAGER* aToolMgr );
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using GRID_HELPER::Align;
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using GRID_HELPER::AlignGrid;
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VECTOR2I Align( const VECTOR2I& aPoint, GRID_HELPER_GRIDS aGrid ) const;
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VECTOR2I AlignGrid( const VECTOR2I& aPoint, GRID_HELPER_GRIDS aGrid ) const;
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/**
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* Function GetSnapped
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* If the EE_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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SCH_ITEM* GetSnapped() const;
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VECTOR2D GetGridSize( GRID_HELPER_GRIDS aGrid ) const;
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using GRID_HELPER::GetGrid;
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/**
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* Gets the coarsest grid that applies to a selecion of items.
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*/
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GRID_HELPER_GRIDS GetSelectionGrid( const EE_SELECTION& aItem );
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/**
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* Gets the coarsest grid that applies to an item.
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*/
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GRID_HELPER_GRIDS GetItemGrid( const EDA_ITEM* aItem ) const;
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VECTOR2I BestDragOrigin( const VECTOR2I& aMousePos, GRID_HELPER_GRIDS aGrid,
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const EE_SELECTION& aItems );
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VECTOR2I BestSnapAnchor( const VECTOR2I& aOrigin, GRID_HELPER_GRIDS aGrid, SCH_ITEM* aSkip );
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VECTOR2I BestSnapAnchor( const VECTOR2I& aOrigin, GRID_HELPER_GRIDS aGrid,
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const EE_SELECTION& aSkip = {} );
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private:
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std::set<SCH_ITEM*> queryVisible( const BOX2I& aArea, const EE_SELECTION& aSkipList ) const;
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ANCHOR* nearestAnchor( const VECTOR2I& aPos, int aFlags, int aMatchLayer );
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/**
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* Insert the local anchor points in to the grid helper for the specified
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* schematic item, given the reference point and the direction of use for the point.
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*
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* @param aItem The schematic 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 symbol)
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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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* @param aIncludeText if true will compute anchors for text items
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*/
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void computeAnchors( SCH_ITEM* aItem, const VECTOR2I& aRefPos, bool aFrom = false,
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bool aIncludeText = false );
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};
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#endif
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