kicad/pcbnew/router/pns_dragger.h

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/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013-2014 CERN
* Copyright (C) 2016 KiCad Developers, see AUTHORS.txt for contributors.
* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __PNS_DRAGGER_H
#define __PNS_DRAGGER_H
#include <memory>
#include <math/vector2d.h>
#include "pns_node.h"
#include "pns_via.h"
#include "pns_line.h"
#include "pns_drag_algo.h"
#include "pns_itemset.h"
#include "pns_layerset.h"
namespace PNS {
class ROUTER;
class SHOVE;
class OPTIMIZER;
/**
* DRAGGER
*
* Via, segment and corner dragging algorithm.
*/
class DRAGGER : public DRAG_ALGO
{
public:
DRAGGER( ROUTER* aRouter );
~DRAGGER();
/**
* Function Start()
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*
* Starts routing a single track at point aP, taking item aStartItem as anchor
* (unless NULL). Returns true if a dragging operation has started.
*/
virtual bool Start( const VECTOR2I& aP, ITEM_SET& aPrimitives ) override;
/**
* Function Drag()
*
* Drags the current segment/corner/via to the point aP.
* @return true, if dragging finished with success.
*/
bool Drag( const VECTOR2I& aP ) override;
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/**
* Function FixRoute()
*
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* Checks if the result of current dragging operation is correct
* and eventually commits it to the world.
* @return true, if dragging finished with success.
*/
bool FixRoute() override;
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/**
* Function CurrentNode()
*
* Returns the most recent world state, including all
* items changed due to dragging operation.
*/
NODE* CurrentNode() const override;
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/**
* Function Traces()
*
* Returns the set of dragged items.
*/
const ITEM_SET Traces() override;
void SetMode( int aDragMode ) override;
private:
const ITEM_SET findViaFanoutByHandle ( NODE *aNode, const VIA_HANDLE& handle );
bool dragMarkObstacles( const VECTOR2I& aP );
bool dragShove(const VECTOR2I& aP );
bool dragWalkaround(const VECTOR2I& aP );
bool startDragSegment( const VECTOR2D& aP, SEGMENT* aSeg );
bool startDragArc( const VECTOR2D& aP, ARC* aArc );
bool startDragVia( VIA* aVia );
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void dragViaMarkObstacles( const VIA_HANDLE& aHandle, NODE* aNode, const VECTOR2I& aP );
void dragViaWalkaround( const VIA_HANDLE& aHandle, NODE* aNode, const VECTOR2I& aP );
void optimizeAndUpdateDraggedLine( LINE& dragged, SEG& aDraggedSeg, const VECTOR2I& aP );
VIA_HANDLE m_initialVia;
VIA_HANDLE m_draggedVia;
NODE* m_lastNode;
int m_mode;
LINE m_draggedLine;
//VIA* m_draggedVia;
//LINE m_lastValidDraggedLine;
std::unique_ptr<SHOVE> m_shove;
int m_draggedSegmentIndex;
bool m_dragStatus;
PNS_MODE m_currentMode;
ITEM_SET m_origViaConnections;
///< Contains the list of items that are currently modified by the dragger
ITEM_SET m_draggedItems;
///< If true, moves the connection lines without maintaining 45° corners
bool m_freeAngleMode;
};
}
#endif