345 lines
10 KiB
C++
345 lines
10 KiB
C++
/*
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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) 2007-2016 Jean-Pierre Charras jp.charras at wanadoo.fr
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* Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors.
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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 <string_utils.h>
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#include <locale_io.h>
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#include <gerbview.h>
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#include <gerbview_frame.h>
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#include <gerber_file_image.h>
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#include <gerber_file_image_list.h>
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#include <view/view.h>
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#include <dialogs/html_message_box.h>
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#include <macros.h>
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#include <wx/msgdlg.h>
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/* Read a gerber file, RS274D, RS274X or RS274X2 format.
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*/
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bool GERBVIEW_FRAME::Read_GERBER_File( const wxString& GERBER_FullFileName )
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{
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wxString msg;
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int layer = GetActiveLayer();
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GERBER_FILE_IMAGE_LIST* images = GetImagesList();
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GERBER_FILE_IMAGE* gerber = GetGbrImage( layer );
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if( gerber != nullptr )
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{
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Erase_Current_DrawLayer( false );
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}
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// use an unique ptr while we load to free on exception properly
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std::unique_ptr<GERBER_FILE_IMAGE> gerber_uptr = std::make_unique<GERBER_FILE_IMAGE>( layer );
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// Read the gerber file. The image will be added only if it can be read
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// to avoid broken data.
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bool success = gerber_uptr->LoadGerberFile( GERBER_FullFileName );
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if( !success )
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{
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gerber_uptr.reset();
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msg.Printf( _( "File '%s' not found" ), GERBER_FullFileName );
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ShowInfoBarError( msg );
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return false;
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}
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gerber = gerber_uptr.release();
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wxASSERT( gerber != nullptr );
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images->AddGbrImage( gerber, layer );
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// Display errors list
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if( gerber->GetMessages().size() > 0 )
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{
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HTML_MESSAGE_BOX dlg( this, _( "Errors" ) );
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dlg.ListSet( gerber->GetMessages() );
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dlg.ShowModal();
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}
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/* if the gerber file has items using D codes but missing D codes definitions,
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* it can be a deprecated RS274D file (i.e. without any aperture information),
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* or has missing definitions,
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* warn the user:
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*/
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if( gerber->GetItemsCount() && gerber->m_Has_MissingDCode )
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{
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if( !gerber->m_Has_DCode )
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msg = _("Warning: this file has no D-Code definition\n"
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"Therefore the size of some items is undefined");
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else
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msg = _("Warning: this file has some missing D-Code definitions\n"
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"Therefore the size of some items is undefined");
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wxMessageBox( msg );
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}
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if( GetCanvas() )
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{
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if( gerber->m_ImageNegative )
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{
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// TODO: find a way to handle negative images
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// (maybe convert geometry into positives?)
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}
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for( GERBER_DRAW_ITEM* item : gerber->GetItems() )
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GetCanvas()->GetView()->Add( (KIGFX::VIEW_ITEM*) item );
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}
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return true;
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}
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/*
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* Original function derived from gerber_is_rs274x_p() of gerbv 2.7.0.
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* Copyright of the source file readgerb.cpp included below:
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*/
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/* gEDA - GNU Electronic Design Automation
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* This is a part of gerbv
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*
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* Copyright (C) 2000-2003 Stefan Petersen (spe@stacken.kth.se)
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*
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* $Id$
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA
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*/
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bool GERBER_FILE_IMAGE::TestFileIsRS274( const wxString& aFullFileName )
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{
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char* letter;
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bool foundADD = false;
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bool foundD0 = false;
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bool foundD2 = false;
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bool foundM0 = false;
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bool foundM2 = false;
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bool foundStar = false;
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bool foundX = false;
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bool foundY = false;
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FILE* file = wxFopen( aFullFileName, "rb" );
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if( file == nullptr )
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return false;
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FILE_LINE_READER gerberReader( aFullFileName );
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try
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{
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while( true )
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{
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if( gerberReader.ReadLine() == nullptr )
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break;
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// Remove all whitespace from the beginning and end
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char* line = StrPurge( gerberReader.Line() );
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// Skip empty lines
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if( *line == 0 )
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continue;
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// Check that file is not binary (non-printing chars)
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for( size_t i = 0; i < strlen( line ); i++ )
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{
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if( !isascii( line[i] ) )
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return false;
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}
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if( strstr( line, "%ADD" ) )
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foundADD = true;
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if( strstr( line, "D00" ) || strstr( line, "D0" ) )
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foundD0 = true;
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if( strstr( line, "D02" ) || strstr( line, "D2" ) )
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foundD2 = true;
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if( strstr( line, "M00" ) || strstr( line, "M0" ) )
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foundM0 = true;
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if( strstr( line, "M02" ) || strstr( line, "M2" ) )
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foundM2 = true;
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if( strstr( line, "*" ) )
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foundStar = true;
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/* look for X<number> or Y<number> */
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if( ( letter = strstr( line, "X" ) ) != nullptr )
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{
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if( isdigit( letter[1] ) )
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foundX = true;
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}
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if( ( letter = strstr( line, "Y" ) ) != nullptr )
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{
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if( isdigit( letter[1] ) )
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foundY = true;
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}
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}
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}
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catch( IO_ERROR& )
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{
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return false;
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}
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// RS-274X
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if( ( foundD0 || foundD2 || foundM0 || foundM2 ) && foundADD && foundStar
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&& ( foundX || foundY ) )
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return true;
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// RS-274D. Could be folded into the expression above, but someday
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// we might want to test for them separately.
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else if( ( foundD0 || foundD2 || foundM0 || foundM2 ) && !foundADD && foundStar
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&& ( foundX || foundY ) )
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return true;
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return false;
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}
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// size of a single line of text from a gerber file.
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// warning: some files can have *very long* lines, so the buffer must be large.
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#define GERBER_BUFZ 1000000
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// A large buffer to store one line
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static char lineBuffer[GERBER_BUFZ+1];
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bool GERBER_FILE_IMAGE::LoadGerberFile( const wxString& aFullFileName )
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{
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int G_command = 0; // command number for G commands like G04
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int D_commande = 0; // command number for D commands like D02
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char* text;
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ClearMessageList( );
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ResetDefaultValues();
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// Read the gerber file */
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m_Current_File = wxFopen( aFullFileName, wxT( "rt" ) );
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if( m_Current_File == nullptr )
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return false;
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m_FileName = aFullFileName;
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LOCALE_IO toggleIo;
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wxString msg;
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while( true )
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{
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if( fgets( lineBuffer, GERBER_BUFZ, m_Current_File ) == nullptr )
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break;
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m_LineNum++;
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text = StrPurge( lineBuffer );
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while( text && *text )
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{
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switch( *text )
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{
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case ' ':
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case '\r':
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case '\n':
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text++;
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break;
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case '*': // End command
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m_CommandState = END_BLOCK;
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text++;
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break;
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case 'M': // End file
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m_CommandState = CMD_IDLE;
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while( *text )
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text++;
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break;
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case 'G': /* Line type Gxx : command */
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G_command = CodeNumber( text );
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Execute_G_Command( text, G_command );
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break;
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case 'D': /* Line type Dxx : Tool selection (xx > 0) or
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* command if xx = 0..9 */
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D_commande = CodeNumber( text );
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Execute_DCODE_Command( text, D_commande );
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break;
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case 'X':
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case 'Y': /* Move or draw command */
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m_CurrentPos = ReadXYCoord( text );
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if( *text == '*' ) // command like X12550Y19250*
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{
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Execute_DCODE_Command( text, m_Last_Pen_Command );
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}
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break;
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case 'I':
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case 'J': /* Auxiliary Move command */
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m_IJPos = ReadIJCoord( text );
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if( *text == '*' ) // command like X35142Y15945J504*
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{
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Execute_DCODE_Command( text, m_Last_Pen_Command );
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}
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break;
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case '%':
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if( m_CommandState != ENTER_RS274X_CMD )
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{
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m_CommandState = ENTER_RS274X_CMD;
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ReadRS274XCommand( lineBuffer, GERBER_BUFZ, text );
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}
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else //Error
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{
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AddMessageToList( wxT( "Expected RS274X Command" ) );
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m_CommandState = CMD_IDLE;
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text++;
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}
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break;
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default:
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msg.Printf( wxT( "Unexpected char 0x%2.2X" ), *text );
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AddMessageToList( msg );
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text++;
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break;
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}
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}
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}
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fclose( m_Current_File );
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m_InUse = true;
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return true;
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}
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