edit_zone_helpers.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2012 Jean-Pierre Charras, [email protected]
 * Copyright (C) 1992-2022 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * Some code comes from FreePCB.
 *
 * 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
 */
 
#include <kiface_base.h>
#include <confirm.h>
#include <pcb_edit_frame.h>
#include <pcbnew_settings.h>
#include <board_commit.h>
#include <tool/tool_manager.h>
#include <tool/actions.h>
#include <zone.h>
#include <zones.h>
#include <zones_functions_for_undo_redo.h>
#include <connectivity/connectivity_data.h>
 
 
void PCB_EDIT_FRAME::Edit_Zone_Params( ZONE* aZone )
{
 int dialogResult;
 ZONE_SETTINGS zoneInfo = GetZoneSettings();
 PICKED_ITEMS_LIST pickedList; // zones for undo/redo command
 PICKED_ITEMS_LIST deletedList; // zones that have been deleted when combined
 BOARD_COMMIT commit( this );
 
 // Save initial zones configuration, for undo/redo, before adding new zone
 // note the net name and the layer can be changed, so we must save all zones
 SaveCopyOfZones( pickedList, GetBoard() );
 
 if( aZone->GetIsRuleArea() )
 {
 // edit a rule area on a copper layer
 zoneInfo << *aZone;
 dialogResult = InvokeRuleAreaEditor( this, &zoneInfo );
 }
 else if( IsCopperLayer( aZone->GetFirstLayer() ) )
 {
 // edit a zone on a copper layer
 zoneInfo << *aZone;
 dialogResult = InvokeCopperZonesEditor( this, &zoneInfo );
 }
 else
 {
 zoneInfo << *aZone;
 dialogResult = InvokeNonCopperZonesEditor( this, &zoneInfo );
 }
 
 if( dialogResult == wxID_CANCEL )
 {
 ClearListAndDeleteItems( &deletedList );
 ClearListAndDeleteItems( &pickedList );
 return;
 }
 
 SetZoneSettings( zoneInfo );
 OnModify();
 
 if( dialogResult == ZONE_EXPORT_VALUES )
 {
 UpdateCopyOfZonesList( pickedList, deletedList, GetBoard() );
 commit.Stage( pickedList );
 commit.Push( _( "Modify zone properties" ) );
 pickedList.ClearItemsList(); // s_ItemsListPicker is no more owner of picked items
 return;
 }
 
 wxBusyCursor dummy;
 
 // Undraw old zone outlines
 for( ZONE* zone : GetBoard()->Zones() )
 GetCanvas()->GetView()->Update( zone );
 
 zoneInfo.ExportSetting( *aZone );
 
 NETINFO_ITEM* net = GetBoard()->FindNet( zoneInfo.m_NetcodeSelection );
 
 if( net ) // net == NULL should not occur
 aZone->SetNetCode( net->GetNetCode() );
 
 UpdateCopyOfZonesList( pickedList, deletedList, GetBoard() );
 
 commit.Stage( pickedList );
 
 commit.Push( _( "Modify zone properties" ), SKIP_CONNECTIVITY );
 rebuildConnectivity();
 
 pickedList.ClearItemsList(); // s_ItemsListPicker is no longer owner of picked items
}
 
 
bool BOARD::TestZoneIntersection( ZONE* aZone1, ZONE* aZone2 )
{
 // see if areas are on same layer
 if( !( aZone1->GetLayerSet() & aZone2->GetLayerSet() ).any() )
 return false;
 
 SHAPE_POLY_SET* poly1 = aZone1->Outline();
 SHAPE_POLY_SET* poly2 = aZone2->Outline();
 
 // test bounding rects
 BOX2I b1 = poly1->BBox();
 BOX2I b2 = poly2->BBox();
 
 if( ! b1.Intersects( b2 ) )
 return false;
 
 // Now test for intersecting segments
 for( auto segIterator1 = poly1->IterateSegmentsWithHoles(); segIterator1; segIterator1++ )
 {
 // Build segment
 SEG firstSegment = *segIterator1;
 
 for( auto segIterator2 = poly2->IterateSegmentsWithHoles(); segIterator2; segIterator2++ )
 {
 // Build second segment
 SEG secondSegment = *segIterator2;
 
 // Check whether the two segments built collide
 if( firstSegment.Collide( secondSegment, 0 ) )
 return true;
 }
 }
 
 // If a contour is inside another contour, no segments intersects, but the zones
 // can be combined if a corner is inside an outline (only one corner is enough)
 for( auto iter = poly2->IterateWithHoles(); iter; iter++ )
 {
 if( poly1->Contains( *iter ) )
 return true;
 }
 
 for( auto iter = poly1->IterateWithHoles(); iter; iter++ )
 {
 if( poly2->Contains( *iter ) )
 return true;
 }
 
 return false;
}