/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2009 Jean-Pierre Charras * Copyright (C) 2007-2022 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 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 editing or creation what zones that * are really modified, and ones they are modified (changes, deletion or addition) */ #include #include #include #include #include /** * Function IsSame * test is 2 zones are equivalent: * 2 zones are equivalent if they have same parameters and same outlines * info relative to filling is not take in account * @param aZoneToCompare = zone to compare with "this" */ bool ZONE::IsSame( const ZONE& aZoneToCompare ) { // compare basic parameters: if( GetLayerSet() != aZoneToCompare.GetLayerSet() ) return false; if( GetNetCode() != aZoneToCompare.GetNetCode() ) return false; if( GetAssignedPriority() != aZoneToCompare.GetAssignedPriority() ) return false; // Compare zone specific parameters if( GetIsRuleArea() != aZoneToCompare.GetIsRuleArea() ) return false; if( GetIsRuleArea() ) { if( GetDoNotAllowCopperPour() != aZoneToCompare.GetDoNotAllowCopperPour() ) return false; if( GetDoNotAllowVias() != aZoneToCompare.GetDoNotAllowVias() ) return false; if( GetDoNotAllowTracks() != aZoneToCompare.GetDoNotAllowTracks() ) return false; if( GetDoNotAllowPads() != aZoneToCompare.GetDoNotAllowPads() ) return false; if( GetDoNotAllowFootprints() != aZoneToCompare.GetDoNotAllowFootprints() ) return false; } if( m_ZoneClearance != aZoneToCompare.m_ZoneClearance ) return false; if( m_ZoneMinThickness != aZoneToCompare.GetMinThickness() ) return false; if( m_fillMode != aZoneToCompare.GetFillMode() ) return false; if( m_PadConnection != aZoneToCompare.m_PadConnection ) return false; if( m_thermalReliefGap != aZoneToCompare.m_thermalReliefGap ) return false; if( m_thermalReliefSpokeWidth != aZoneToCompare.m_thermalReliefSpokeWidth ) return false; if( m_zoneName != aZoneToCompare.m_zoneName ) return false; if( m_islandRemovalMode != aZoneToCompare.m_islandRemovalMode ) return false; if( m_minIslandArea != aZoneToCompare.m_minIslandArea ) return false; // Compare outlines wxASSERT( m_Poly ); // m_Poly == NULL Should never happen wxASSERT( aZoneToCompare.Outline() ); if( Outline() != aZoneToCompare.Outline() ) // Compare vector return false; return true; } /** * 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 * the UndoRedo status is set to CHANGED for all items in list * Later, UpdateCopyOfZonesList will change and update these pickers after a zone editing * @param aPickList = the pick list * @param aPcb = the Board */ void SaveCopyOfZones( PICKED_ITEMS_LIST& aPickList, BOARD* aPcb ) { for( ZONE* zone : aPcb->Zones() ) { ZONE* zoneDup = new ZONE( *zone ); zoneDup->SetParent( aPcb ); zoneDup->SetParentGroup( nullptr ); ITEM_PICKER picker( nullptr, zone, UNDO_REDO::CHANGED ); picker.SetLink( zoneDup ); aPickList.PushItem( picker ); } } /** * Function UpdateCopyOfZonesList * Check a pick list to remove zones identical to their copies and set the type of operation in * picker (DELETED, CHANGED). If an item is deleted, the initial values are retrievered, * because they can have changed during editing. * @param aPickList = the main pick list * @param aAuxiliaryList = the list of deleted or added (new created) items after calculations * @param aPcb = the Board * * aAuxiliaryList is a list of pickers updated by zone algorithms: * This list contains zones which were added or deleted during the zones combine process * aPickList :is a list of zones that can be modified (changed or deleted, or not modified) * Typically, this is the list of existing zones on the layer of the edited zone, * before any change. * >> if the picked zone is not changed, it is removed from list * >> if the picked zone was deleted (i.e. not found in board list), the picker is modified: * its status becomes DELETED * the aAuxiliaryList corresponding picker is removed (if not found : set an error) * >> if the picked zone was flagged as NEWITEM, and was after deleted , * perhaps combined with another zone (i.e. not found in board list): * the picker is removed * the zone itself if really deleted * the aAuxiliaryList corresponding picker is removed (if not found : set an error) * After aPickList is cleaned, the aAuxiliaryList is read * All pickers flagged NEWITEM are moved to aPickList * (the corresponding zones are zone that were created by the zone normalize and combine process, * mainly when adding cutout areas, or creating self intersecting contours) * All pickers flagged DELETED are removed, and the corresponding zones actually deleted * (the corresponding zones are new zone that were created by the zone normalize process, * when creating self intersecting contours, and after combined with an existing zone. * At the end of the update process the aAuxiliaryList must be void, * because all pickers created by the combine process * must have been removed (removed for new and deleted zones, or moved in aPickList.) * If not an error is set. */ void UpdateCopyOfZonesList( PICKED_ITEMS_LIST& aPickList, PICKED_ITEMS_LIST& aAuxiliaryList, BOARD* aPcb ) { for( unsigned kk = 0; kk < aPickList.GetCount(); kk++ ) { UNDO_REDO status = aPickList.GetPickedItemStatus( kk ); ZONE* ref = (ZONE*) aPickList.GetPickedItem( kk ); for( unsigned ii = 0; ; ii++ ) // analyse the main picked list { ZONE* zone = aPcb->GetArea( ii ); if( zone == nullptr ) { /* End of list: the stored item is not found: * it must be in aDeletedList: * search it and restore initial values * or * if flagged NEWITEM: remove it definitively */ if( status == UNDO_REDO::NEWITEM ) { delete ref; ref = nullptr; aPickList.RemovePicker( kk ); kk--; } else { ZONE* zcopy = (ZONE*) aPickList.GetPickedItemLink( kk ); aPickList.SetPickedItemStatus( UNDO_REDO::DELETED, kk ); wxASSERT_MSG( zcopy != nullptr, wxT( "UpdateCopyOfZonesList() error: link = NULL" ) ); ref->SwapItemData( zcopy ); // the copy was deleted; the link does not exists now. aPickList.SetPickedItemLink( nullptr, kk ); delete zcopy; } // Remove this item from aAuxiliaryList, mainly for tests purpose bool notfound = true; for( unsigned nn = 0; nn < aAuxiliaryList.GetCount(); nn++ ) { if( ref != nullptr && aAuxiliaryList.GetPickedItem( nn ) == ref ) { aAuxiliaryList.RemovePicker( nn ); notfound = false; break; } } if( notfound ) // happens when the new zone overlaps an existing zone // and these zones are combined { #if defined(DEBUG) printf( "UpdateCopyOfZonesList(): item not found in aAuxiliaryList," "combined with another zone\n" ); fflush(nullptr); #endif } break; } if( zone == ref ) // picked zone found { if( aPickList.GetPickedItemStatus( kk ) != UNDO_REDO::NEWITEM ) { ZONE* zcopy = (ZONE*) aPickList.GetPickedItemLink( kk ); if( zone->IsSame( *zcopy ) ) // Remove picked, because no changes { delete zcopy; // Delete copy aPickList.RemovePicker( kk ); kk--; } } break; } } } // Add new zones in main pick list, and remove pickers from Auxiliary List for( unsigned ii = 0; ii < aAuxiliaryList.GetCount(); ) { if( aAuxiliaryList.GetPickedItemStatus( ii ) == UNDO_REDO::NEWITEM ) { ITEM_PICKER picker = aAuxiliaryList.GetItemWrapper( ii ); aPickList.PushItem( picker ); aAuxiliaryList.RemovePicker( ii ); } else if( aAuxiliaryList.GetPickedItemStatus( ii ) == UNDO_REDO::DELETED ) { delete aAuxiliaryList.GetPickedItemLink( ii ); aAuxiliaryList.RemovePicker( ii ); } else { ii++; } } // Should not occur: wxASSERT_MSG( aAuxiliaryList.GetCount() == 0, wxT( "UpdateCopyOfZonesList() error: aAuxiliaryList not empty." ) ); }