kicad/pcbnew/router/pns_drag_algo.h

116 lines
2.7 KiB
C++

/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013-2020 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_DRAG_ALGO_H
#define __PNS_DRAG_ALGO_H
#include <memory>
#include <math/vector2d.h>
#include "pns_algo_base.h"
#include "pns_itemset.h"
#include "pns_layerset.h"
namespace PNS {
class NODE;
/**
* DRAG_ALGO
*
* Base class for item dragging algorithms.
*/
class DRAG_ALGO : public ALGO_BASE
{
public:
DRAG_ALGO( ROUTER* aRouter ) :
ALGO_BASE( aRouter ), m_world( nullptr )
{
}
~DRAG_ALGO()
{
}
/**
* Function SetWorld()
*
* Sets the board to work on.
*/
virtual void SetWorld( NODE* aWorld )
{
m_world = 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.
*/
virtual bool Start( const VECTOR2I& aP, ITEM_SET& aPrimitives ) = 0;
/**
* Function Drag()
*
* Drags the current segment/corner/via to the point aP.
* @return true, if dragging finished with success.
*/
virtual bool Drag( const VECTOR2I& aP ) = 0;
/**
* 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.
*/
virtual bool FixRoute() = 0;
/**
* Function CurrentNode()
*
* Returns the most recent world state, including all
* items changed due to dragging operation.
*/
virtual NODE* CurrentNode() const = 0;
/**
* Function Traces()
*
* Returns the set of dragged items.
*/
virtual const ITEM_SET Traces() = 0;
virtual void SetMode( int aDragMode ) {};
protected:
NODE* m_world;
};
} // namespace PNS
#endif