109 lines
3.0 KiB
C++
109 lines
3.0 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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* @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 __GRID_HELPER_H
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#define __GRID_HELPER_H
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#include <vector>
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#include <math/vector2d.h>
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#include <boost/optional.hpp>
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#include <layers_id_colors_and_visibility.h>
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#include <geometry/seg.h>
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class PCB_BASE_FRAME;
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class GRID_HELPER {
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public:
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GRID_HELPER( PCB_BASE_FRAME* aFrame );
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~GRID_HELPER();
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void SetGrid( int aSize );
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void SetOrigin( const VECTOR2I& aOrigin );
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VECTOR2I GetGrid() const;
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VECTOR2I GetOrigin() const;
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void SetAuxAxes( bool aEnable, const VECTOR2I& aOrigin = VECTOR2I( 0, 0 ), bool aEnableDiagonal = false );
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VECTOR2I Align( const VECTOR2I& aPoint ) const;
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VECTOR2I AlignToSegment ( const VECTOR2I& aPoint, const SEG& aSeg );
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VECTOR2I BestDragOrigin( const VECTOR2I& aMousePos, BOARD_ITEM* aItem );
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VECTOR2I BestSnapAnchor( const VECTOR2I& aOrigin, BOARD_ITEM* aDraggedItem );
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private:
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enum ANCHOR_FLAGS {
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CORNER = 0x1,
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OUTLINE = 0x2,
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SNAPPABLE = 0x4,
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ORIGIN = 0x8
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};
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struct ANCHOR
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{
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ANCHOR( VECTOR2I aPos, int aFlags = CORNER | SNAPPABLE, BOARD_ITEM* aItem = NULL ):
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pos( aPos ), flags( aFlags ), item( aItem ) {} ;
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VECTOR2I pos;
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int flags;
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BOARD_ITEM* item;
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double Distance( const VECTOR2I& aP ) const
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{
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return ( aP - pos ).EuclideanNorm();
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}
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//bool CanSnapItem( const BOARD_ITEM* aItem ) const;
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};
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std::vector<ANCHOR> m_anchors;
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std::set<BOARD_ITEM*> queryVisible( const BOX2I& aArea ) const;
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void addAnchor( const VECTOR2I& aPos, int aFlags = CORNER | SNAPPABLE, BOARD_ITEM* aItem = NULL )
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{
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m_anchors.push_back( ANCHOR( aPos, aFlags, aItem ) );
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}
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ANCHOR* nearestAnchor( const VECTOR2I& aPos, int aFlags, LSET aMatchLayers );
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void computeAnchors( BOARD_ITEM* aItem, const VECTOR2I& aRefPos );
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void clearAnchors()
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{
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m_anchors.clear();
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}
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PCB_BASE_FRAME* m_frame;
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boost::optional<VECTOR2I> m_auxAxis;
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bool m_diagonalAuxAxesEnable;
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};
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#endif
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