kicad/pcbnew/zones_functions_for_undo_re...

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2009 Jean-Pierre Charras <jp.charras@wanadoo.fr>
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* 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)
*/
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#include <pcb_edit_frame.h>
#include <board.h>
#include <zone.h>
#include <zones.h>
#include <zones_functions_for_undo_redo.h>
/**
* 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;
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// 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
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* 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
*/
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void SaveCopyOfZones( PICKED_ITEMS_LIST& aPickList, BOARD* aPcb )
{
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for( ZONE* zone : aPcb->Zones() )
{
ZONE* zoneDup = new ZONE( *zone );
zoneDup->SetParent( aPcb );
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ITEM_PICKER picker( nullptr, zone, UNDO_REDO::CHANGED );
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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
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* 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
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* 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:
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* its status becomes DELETED
* the aAuxiliaryList corresponding picker is removed (if not found : set an error)
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* >> if the picked zone was flagged as NEWITEM, and was after deleted ,
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* 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
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* 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.
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* 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.
*/
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void UpdateCopyOfZonesList( PICKED_ITEMS_LIST& aPickList, PICKED_ITEMS_LIST& aAuxiliaryList,
BOARD* aPcb )
{
for( unsigned kk = 0; kk < aPickList.GetCount(); kk++ )
{
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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
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* if flagged NEWITEM: remove it definitively
*/
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if( status == UNDO_REDO::NEWITEM )
{
delete ref;
ref = nullptr;
aPickList.RemovePicker( kk );
kk--;
}
else
{
ZONE* zcopy = (ZONE*) aPickList.GetPickedItemLink( kk );
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aPickList.SetPickedItemStatus( UNDO_REDO::DELETED, kk );
wxASSERT_MSG( zcopy != nullptr,
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wxT( "UpdateCopyOfZonesList() error: link = NULL" ) );
*ref = *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
{
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#if defined(DEBUG)
printf( "UpdateCopyOfZonesList(): item not found in aAuxiliaryList,"
"combined with another zone\n" );
fflush(nullptr);
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#endif
}
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break;
}
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if( zone == ref ) // picked zone found
{
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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(); )
{
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if( aAuxiliaryList.GetPickedItemStatus( ii ) == UNDO_REDO::NEWITEM )
{
ITEM_PICKER picker = aAuxiliaryList.GetItemWrapper( ii );
aPickList.PushItem( picker );
aAuxiliaryList.RemovePicker( ii );
}
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else if( aAuxiliaryList.GetPickedItemStatus( ii ) == UNDO_REDO::DELETED )
{
delete aAuxiliaryList.GetPickedItemLink( ii );
aAuxiliaryList.RemovePicker( ii );
}
else
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{
ii++;
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}
}
// Should not occur:
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wxASSERT_MSG( aAuxiliaryList.GetCount() == 0,
wxT( "UpdateCopyOfZonesList() error: aAuxiliaryList not empty." ) );
}