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/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013-2014 CERN
* 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 <math/vector2d.h>
#include "pns_node.h"
#include "pns_via.h"
#include "pns_line.h"
#include "pns_algo_base.h"
#include "pns_itemset.h"
class PNS_ROUTER;
class PNS_SHOVE;
class PNS_OPTIMIZER;
class PNS_ROUTER_BASE;
/**
* Class PNS_DRAGGER
*
* Via, segment and corner dragging algorithm.
*/
class PNS_DRAGGER : public PNS_ALGO_BASE
{
public:
PNS_DRAGGER( PNS_ROUTER* aRouter );
~PNS_DRAGGER();
/**
* Function SetWorld()
*
* Sets the board to work on.
*/
void SetWorld( PNS_NODE* aWorld );
/**
* Function Start()
*
* Starts routing a single track at point aP, taking item aStartItem as anchor
* (unless NULL). Returns true if a dragging operation has started.
*/
bool Start( const VECTOR2I& aP, PNS_ITEM* aStartItem );
/**
* Function Drag()
*
* Drags the current segment/corner/via to the point aP.
* @return true, if dragging finished with success.
*/
bool Drag( const VECTOR2I& aP );
/**
* Function FixRoute()
*
* 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();
/**
* Function CurrentNode()
*
* Returns the most recent world state, including all
* items changed due to dragging operation.
*/
PNS_NODE* CurrentNode() const;
/**
* Function Traces()
*
* Returns the set of dragged items.
*/
const PNS_ITEMSET Traces();
/// @copydoc PNS_ALGO_BASE::Logger()
virtual PNS_LOGGER* Logger();
private:
enum DragMode {
CORNER = 0,
SEGMENT,
VIA
};
bool dragMarkObstacles( const VECTOR2I& aP );
bool dragShove(const VECTOR2I& aP );
bool startDragSegment( const VECTOR2D& aP, PNS_SEGMENT* aSeg );
bool startDragVia( const VECTOR2D& aP, PNS_VIA* aVia );
void dumbDragVia( PNS_VIA* aVia, PNS_NODE* aNode, const VECTOR2I& aP );
PNS_NODE* m_world;
PNS_NODE* m_lastNode;
DragMode m_mode;
PNS_LINE m_draggedLine;
PNS_VIA* m_draggedVia;
PNS_LINE m_lastValidDraggedLine;
PNS_SHOVE* m_shove;
int m_draggedSegmentIndex;
bool m_dragStatus;
PNS_MODE m_currentMode;
PNS_ITEMSET m_origViaConnections;
PNS_VIA* m_initialVia;
PNS_ITEMSET m_draggedItems;
};
#endif
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