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/**
* @file zones_functions_for_undo_redo.h
*/
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2009 Jean-Pierre Charras <jean-pierre.charras@gipsa-lab.inpg.fr>
* Copyright (C) 2007 KiCad Developers, see change_log.txt for contributors.
*
* 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 2
* 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/* These functions are relative to undo redo function, when zones are involved.
* When a zone outline is modified (or created) this zone, or others zones on the same layer
* and with the same netcode can change or can be deleted
* This is due to the fact overlapping zones are merged
* Also, when a zone outline is modified by adding a cutout area,
* this zone can be converted to more than one area, if the outline is break to 2 or more outlines
* and therefore new zones are created
*
* Due to the complexity of potential changes, and the fact there are only few zones
* in a board, and a zone has only few segments outlines, the more easy way to
* undo redo changes is to make a copy of all zones that can be changed
* and see after zone edition or creation what zones that are really modified,
* and ones they are modified (changes, deletion or addition)
*/
#ifndef ZONES_FUNCTIONS_TO_UNDO_REDO_H
#define ZONES_FUNCTIONS_TO_UNDO_REDO_H
/**
* Function SaveCopyOfZones
* creates a copy of zones having a given netcode on a given layer,
* and fill a pick list with pickers to handle these copies
* @param aPickList = the pick list
* @param aPcb = the Board
* @param aNetCode = the reference netcode. if aNetCode < 0 all netcodes are used
* @param aLayer = the layer of zones. if aLayer < 0, all layers are used
* @return the count of saved copies
*/
int SaveCopyOfZones(PICKED_ITEMS_LIST & aPickList, BOARD* aPcb, int aNetCode, LAYER_NUM aLayer );
/**
* Function UpdateCopyOfZonesList
* check a pick list to remove zones identical to their copies
* and set the type of operation in picker (UR_DELETED, UR_CHANGED)
* @param aPickList = the main pick list
* @param aAuxiliaryList = the list of deleted or added (new created) items after calculations
* @param aPcb = the Board
*/
void UpdateCopyOfZonesList( PICKED_ITEMS_LIST& aPickList, PICKED_ITEMS_LIST& aAuxiliaryList, BOARD* aPcb );
#endif // ZONES_FUNCTIONS_TO_UNDO_REDO_H
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