gbr_layout.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2012-2018 Jean-Pierre Charras jp.charras at wanadoo.fr
 * Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.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
 */

#include <gerbview_frame.h>
#include <gbr_layout.h>
#include <gerber_file_image.h>
#include <gerber_file_image_list.h>

GBR_LAYOUT::GBR_LAYOUT() :
 EDA_ITEM( nullptr, GERBER_LAYOUT_T )
{
}


GBR_LAYOUT::~GBR_LAYOUT()
{
}

// Accessor to the list of Gerber files (and drill files) images
GERBER_FILE_IMAGE_LIST* GBR_LAYOUT::GetImagesList() const
{
 return &GERBER_FILE_IMAGE_LIST::GetImagesList();
}


EDA_RECT GBR_LAYOUT::ComputeBoundingBox() const
{
 EDA_RECT bbox;
 bool first_item = true;

 for( unsigned layer = 0; layer < GetImagesList()->ImagesMaxCount(); ++layer )
 {
 GERBER_FILE_IMAGE* gerber = GetImagesList()->GetGbrImage( layer );

 if( gerber == nullptr ) // Graphic layer not yet used
 continue;

 for( GERBER_DRAW_ITEM* item : gerber->GetItems() )
 {
 if( first_item )
 {
 bbox = item->GetBoundingBox();
 first_item = false;
 }
 else
 bbox.Merge( item->GetBoundingBox() );
 }
 }

 bbox.Normalize();

 m_BoundingBox = bbox;
 return bbox;
}


SEARCH_RESULT GBR_LAYOUT::Visit( INSPECTOR inspector, void* testData, const KICAD_T scanTypes[] )
{
 KICAD_T stype;
 SEARCH_RESULT result = SEARCH_RESULT::CONTINUE;
 const KICAD_T* p = scanTypes;
 bool done = false;

#if 0 && defined(DEBUG)
 std::cout << GetClass().mb_str() << ' ';
#endif

 while( !done )
 {
 stype = *p;

 switch( stype )
 {
 case GERBER_LAYOUT_T:
 for( unsigned layer = 0; layer < GetImagesList()->ImagesMaxCount(); ++layer )
 {
 GERBER_FILE_IMAGE* gerber = GetImagesList()->GetGbrImage( layer );

 if( gerber == nullptr ) // Graphic layer not yet used
 continue;

 result = gerber->Visit( inspector, testData, p );

 if( result == SEARCH_RESULT::QUIT )
 break;
 }

 ++p;
 break;

 default: // catch EOT or ANY OTHER type here and return.
 done = true;
 break;
 }

 if( result == SEARCH_RESULT::QUIT )
 break;
 }

 return result;
}