416 lines
13 KiB
C++
416 lines
13 KiB
C++
/**
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* @file export_idf.cpp
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*/
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/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2013 Cirilo Bernardo
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <list>
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#include <wxPcbStruct.h>
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#include <macros.h>
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#include <pcbnew.h>
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#include <class_board.h>
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#include <class_module.h>
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#include <class_edge_mod.h>
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#include <idf.h>
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#include <3d_struct.h>
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// assumed default graphical line thickness: 10000 IU == 0.1mm
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#define LINE_WIDTH (100000)
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/**
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* Function idf_export_outline
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* retrieves line segment information from the edge layer and compiles
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* the data into a form which can be output as an IDFv3 compliant
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* BOARD_OUTLINE section.
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*/
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static void idf_export_outline( BOARD* aPcb, IDF_BOARD& aIDFBoard )
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{
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double scale = aIDFBoard.GetScale();
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DRAWSEGMENT* graphic; // KiCad graphical item
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IDF_POINT sp, ep; // start and end points from KiCad item
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std::list< IDF_SEGMENT* > lines; // IDF intermediate form of KiCad graphical item
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IDF_OUTLINE outline; // graphical items forming an outline or cutout
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// NOTE: IMPLEMENTATION
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// If/when component cutouts are allowed, we must implement them separately. Cutouts
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// must be added to the board outline section and not to the Other Outline section.
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// The module cutouts should be handled via the idf_export_module() routine.
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double offX, offY;
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aIDFBoard.GetOffset( offX, offY );
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// Retrieve segments and arcs from the board
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for( BOARD_ITEM* item = aPcb->m_Drawings; item; item = item->Next() )
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{
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if( item->Type() != PCB_LINE_T || item->GetLayer() != EDGE_N )
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continue;
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graphic = (DRAWSEGMENT*) item;
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switch( graphic->GetShape() )
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{
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case S_SEGMENT:
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{
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sp.x = graphic->GetStart().x * scale + offX;
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sp.y = -graphic->GetStart().y * scale + offY;
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ep.x = graphic->GetEnd().x * scale + offX;
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ep.y = -graphic->GetEnd().y * scale + offY;
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IDF_SEGMENT* seg = new IDF_SEGMENT( sp, ep );
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if( seg )
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lines.push_back( seg );
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}
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break;
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case S_ARC:
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{
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sp.x = graphic->GetCenter().x * scale + offX;
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sp.y = -graphic->GetCenter().y * scale + offY;
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ep.x = graphic->GetArcStart().x * scale + offX;
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ep.y = -graphic->GetArcStart().y * scale + offY;
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IDF_SEGMENT* seg = new IDF_SEGMENT( sp, ep, -graphic->GetAngle() / 10.0, true );
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if( seg )
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lines.push_back( seg );
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}
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break;
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case S_CIRCLE:
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{
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sp.x = graphic->GetCenter().x * scale + offX;
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sp.y = -graphic->GetCenter().y * scale + offY;
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ep.x = sp.x - graphic->GetRadius() * scale;
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ep.y = sp.y;
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// Circles must always have an angle of +360 deg. to appease
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// quirky MCAD implementations of IDF.
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IDF_SEGMENT* seg = new IDF_SEGMENT( sp, ep, 360.0, true );
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if( seg )
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lines.push_back( seg );
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}
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break;
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default:
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break;
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}
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}
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// if there is no outline then use the bounding box
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if( lines.empty() )
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{
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goto UseBoundingBox;
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}
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// get the board outline and write it out
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// note: we do not use a try/catch block here since we intend
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// to simply ignore unclosed loops and continue processing
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// until we're out of segments to process
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IDF3::GetOutline( lines, outline );
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if( outline.empty() )
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goto UseBoundingBox;
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aIDFBoard.AddOutline( outline );
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// get all cutouts and write them out
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while( !lines.empty() )
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{
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IDF3::GetOutline( lines, outline );
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if( outline.empty() )
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continue;
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aIDFBoard.AddOutline( outline );
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}
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return;
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UseBoundingBox:
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// clean up if necessary
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while( !lines.empty() )
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{
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delete lines.front();
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lines.pop_front();
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}
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outline.Clear();
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// fetch a rectangular bounding box for the board;
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// there is always some uncertainty in the board dimensions
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// computed via ComputeBoundingBox() since this depends on the
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// individual module entities.
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EDA_RECT bbbox = aPcb->ComputeBoundingBox( true );
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// convert to mm and compensate for an assumed LINE_WIDTH line thickness
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double x = ( bbbox.GetOrigin().x + LINE_WIDTH / 2 ) * scale + offX;
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double y = ( bbbox.GetOrigin().y + LINE_WIDTH / 2 ) * scale + offY;
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double dx = ( bbbox.GetSize().x - LINE_WIDTH ) * scale;
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double dy = ( bbbox.GetSize().y - LINE_WIDTH ) * scale;
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double px[4], py[4];
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px[0] = x;
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py[0] = y;
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px[1] = x;
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py[1] = y + dy;
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px[2] = x + dx;
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py[2] = y + dy;
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px[3] = x + dx;
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py[3] = y;
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IDF_POINT p1, p2;
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p1.x = px[3];
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p1.y = py[3];
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p2.x = px[0];
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p2.y = py[0];
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outline.push( new IDF_SEGMENT( p1, p2 ) );
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for( int i = 1; i < 4; ++i )
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{
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p1.x = px[i - 1];
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p1.y = py[i - 1];
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p2.x = px[i];
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p2.y = py[i];
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outline.push( new IDF_SEGMENT( p1, p2 ) );
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}
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aIDFBoard.AddOutline( outline );
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}
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/**
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* Function idf_export_module
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* retrieves information from all board modules, adds drill holes to
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* the DRILLED_HOLES or BOARD_OUTLINE section as appropriate,
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* compiles data for the PLACEMENT section and compiles data for
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* the library ELECTRICAL section.
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*/
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static void idf_export_module( BOARD* aPcb, MODULE* aModule,
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IDF_BOARD& aIDFBoard )
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{
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// Reference Designator
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std::string crefdes = TO_UTF8( aModule->GetReference() );
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if( crefdes.empty() || !crefdes.compare( "~" ) )
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{
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std::string cvalue = TO_UTF8( aModule->GetValue() );
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// if both the RefDes and Value are empty or set to '~' the board owns the part,
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// otherwise associated parts of the module must be marked NOREFDES.
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if( cvalue.empty() || !cvalue.compare( "~" ) )
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crefdes = "BOARD";
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else
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crefdes = "NOREFDES";
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}
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// TODO: If module cutouts are supported we must add code here
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// for( EDA_ITEM* item = aModule->GraphicalItems(); item != NULL; item = item->Next() )
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// {
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// if( ( item->Type() != PCB_MODULE_EDGE_T )
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// || (item->GetLayer() != EDGE_N ) ) continue;
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// code to export cutouts
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// }
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// Export pads
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double drill, x, y;
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double scale = aIDFBoard.GetScale();
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IDF3::KEY_PLATING kplate;
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std::string pintype;
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std::string tstr;
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double dx, dy;
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aIDFBoard.GetOffset( dx, dy );
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for( D_PAD* pad = aModule->Pads(); pad; pad = pad->Next() )
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{
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drill = (double) pad->GetDrillSize().x * scale;
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x = pad->GetPosition().x * scale + dx;
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y = -pad->GetPosition().y * scale + dy;
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// Export the hole on the edge layer
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if( drill > 0.0 )
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{
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// plating
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if( pad->GetAttribute() == PAD_HOLE_NOT_PLATED )
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kplate = IDF3::NPTH;
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else
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kplate = IDF3::PTH;
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// hole type
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tstr = TO_UTF8( pad->GetPadName() );
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if( tstr.empty() || !tstr.compare( "0" ) || !tstr.compare( "~" )
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|| ( kplate == IDF3::NPTH )
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||( pad->GetDrillShape() == PAD_DRILL_OBLONG ) )
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pintype = "MTG";
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else
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pintype = "PIN";
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// fields:
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// 1. hole dia. : float
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// 2. X coord : float
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// 3. Y coord : float
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// 4. plating : PTH | NPTH
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// 5. Assoc. part : BOARD | NOREFDES | PANEL | {"refdes"}
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// 6. type : PIN | VIA | MTG | TOOL | { "other" }
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// 7. owner : MCAD | ECAD | UNOWNED
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if( ( pad->GetDrillShape() == PAD_DRILL_OBLONG )
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&& ( pad->GetDrillSize().x != pad->GetDrillSize().y ) )
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{
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// NOTE: IDF does not have direct support for slots;
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// slots are implemented as a board cutout and we
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// cannot represent plating or reference designators
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double dlength = pad->GetDrillSize().y * scale;
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// NOTE: The orientation of modules and pads have
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// the opposite sense due to KiCad drawing on a
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// screen with a LH coordinate system
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double angle = pad->GetOrientation() / 10.0;
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if( dlength < drill )
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{
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std::swap( drill, dlength );
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angle += M_PI2;
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}
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// NOTE: KiCad measures a slot's length from end to end
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// rather than between the centers of the arcs
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dlength -= drill;
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aIDFBoard.AddSlot( drill, dlength, angle, x, y );
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}
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else
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{
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aIDFBoard.AddDrill( drill, x, y, kplate, crefdes, pintype, IDF3::ECAD );
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}
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}
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}
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// add any valid models to the library item list
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std::string refdes;
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for( S3D_MASTER* modfile = aModule->Models(); modfile != 0; modfile = modfile->Next() )
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{
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if( !modfile->Is3DType( S3D_MASTER::FILE3D_IDF ) )
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continue;
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if( refdes.empty() )
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{
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refdes = TO_UTF8( aModule->GetReference() );
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if( refdes.empty() || !refdes.compare( "~" ) )
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refdes = aIDFBoard.GetRefDes();
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}
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double rotz = aModule->GetOrientation()/10.0;
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double locx = modfile->m_MatPosition.x;
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double locy = modfile->m_MatPosition.y;
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double locz = modfile->m_MatPosition.z;
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bool top = ( aModule->GetLayer() == LAYER_N_BACK ) ? false : true;
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if( top )
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{
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rotz += modfile->m_MatRotation.z;
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locy = -locy;
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RotatePoint( &locx, &locy, aModule->GetOrientation() );
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locy = -locy;
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}
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if( !top )
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{
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RotatePoint( &locx, &locy, aModule->GetOrientation() );
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locy = -locy;
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rotz -= modfile->m_MatRotation.z;
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rotz = 180.0 - rotz;
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if( rotz >= 360.0 )
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while( rotz >= 360.0 ) rotz -= 360.0;
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if( rotz <= -360.0 )
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while( rotz <= -360.0 ) rotz += 360.0;
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}
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locx += aModule->GetPosition().x * scale + dx;
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locy += -aModule->GetPosition().y * scale + dy;
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aIDFBoard.PlaceComponent( modfile->GetShape3DName(), refdes, locx, locy, locz, rotz, top );
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}
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return;
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}
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/**
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* Function Export_IDF3
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* generates IDFv3 compliant board (*.emn) and library (*.emp)
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* files representing the user's PCB design.
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*/
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bool Export_IDF3( BOARD* aPcb, const wxString& aFullFileName, double aUseThou )
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{
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IDF_BOARD idfBoard;
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SetLocaleTo_C_standard();
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try
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{
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idfBoard.Setup( aPcb->GetFileName(), aFullFileName, aUseThou,
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aPcb->GetDesignSettings().GetBoardThickness() );
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// set up the global offsets
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EDA_RECT bbox = aPcb->ComputeBoundingBox( true );
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idfBoard.SetOffset( -bbox.Centre().x * idfBoard.GetScale(),
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bbox.Centre().y * idfBoard.GetScale() );
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// Export the board outline
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idf_export_outline( aPcb, idfBoard );
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// Output the drill holes and module (library) data.
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for( MODULE* module = aPcb->m_Modules; module != 0; module = module->Next() )
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idf_export_module( aPcb, module, idfBoard );
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idfBoard.Finish();
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}
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catch( const IO_ERROR& ioe )
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{
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wxLogDebug( wxT( "An error occurred attemping export to IDFv3.\n\nError: %s" ),
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GetChars( ioe.errorText ) );
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}
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SetLocaleTo_Default();
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return true;
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}
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