kicad/gerbview/readgerb.cpp

199 lines
6.1 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2007-2014 Jean-Pierre Charras jp.charras at wanadoo.fr
* Copyright (C) 1992-2014 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
*/
#include <fctsys.h>
#include <common.h>
#include <confirm.h>
#include <kicad_string.h>
#include <gestfich.h>
#include <gerbview.h>
#include <gerbview_frame.h>
#include <class_GERBER.h>
#include <html_messagebox.h>
#include <macros.h>
/* Read a gerber file, RS274D or RS274X format.
*/
bool GERBVIEW_FRAME::Read_GERBER_File( const wxString& GERBER_FullFileName,
const wxString& D_Code_FullFileName )
{
int G_command = 0; // command number for G commands like G04
int D_commande = 0; // command number for D commands like D02
char line[GERBER_BUFZ];
wxString msg;
char* text;
int layer; // current layer used in GerbView
layer = getActiveLayer();
if( g_GERBER_List[layer] == NULL )
{
g_GERBER_List[layer] = new GERBER_IMAGE( this, layer );
}
GERBER_IMAGE* gerber = g_GERBER_List[layer];
ClearMessageList( );
/* Set the gerber scale: */
gerber->ResetDefaultValues();
/* Read the gerber file */
gerber->m_Current_File = wxFopen( GERBER_FullFileName, wxT( "rt" ) );
if( gerber->m_Current_File == 0 )
{
msg.Printf( _( "File <%s> not found" ), GetChars( GERBER_FullFileName ) );
DisplayError( this, msg, 10 );
return false;
}
gerber->m_FileName = GERBER_FullFileName;
wxString path = wxPathOnly( GERBER_FullFileName );
if( path != wxEmptyString )
wxSetWorkingDirectory( path );
SetLocaleTo_C_standard();
while( true )
{
if( fgets( line, sizeof(line), gerber->m_Current_File ) == NULL )
{
if( gerber->m_FilesPtr == 0 )
break;
fclose( gerber->m_Current_File );
gerber->m_FilesPtr--;
gerber->m_Current_File =
gerber->m_FilesList[gerber->m_FilesPtr];
continue;
}
text = StrPurge( line );
while( text && *text )
{
switch( *text )
{
case ' ':
case '\r':
case '\n':
text++;
break;
case '*': // End command
gerber->m_CommandState = END_BLOCK;
text++;
break;
case 'M': // End file
gerber->m_CommandState = CMD_IDLE;
while( *text )
text++;
break;
case 'G': /* Line type Gxx : command */
G_command = gerber->GCodeNumber( text );
gerber->Execute_G_Command( text, G_command );
break;
case 'D': /* Line type Dxx : Tool selection (xx > 0) or
* command if xx = 0..9 */
D_commande = gerber->DCodeNumber( text );
gerber->Execute_DCODE_Command( text, D_commande );
break;
case 'X':
case 'Y': /* Move or draw command */
gerber->m_CurrentPos = gerber->ReadXYCoord( text );
if( *text == '*' ) // command like X12550Y19250*
{
gerber->Execute_DCODE_Command( text,
gerber->m_Last_Pen_Command );
}
break;
case 'I':
case 'J': /* Auxiliary Move command */
gerber->m_IJPos = gerber->ReadIJCoord( text );
if( *text == '*' ) // command like X35142Y15945J504*
{
gerber->Execute_DCODE_Command( text,
gerber->m_Last_Pen_Command );
}
break;
case '%':
if( gerber->m_CommandState != ENTER_RS274X_CMD )
{
gerber->m_CommandState = ENTER_RS274X_CMD;
gerber->ReadRS274XCommand( line, text );
}
else //Error
{
ReportMessage( wxT("Expected RS274X Command") );
gerber->m_CommandState = CMD_IDLE;
text++;
}
break;
default:
text++;
msg.Printf( wxT("Unexpected symbol <%c>"), *text );
ReportMessage( msg );
break;
}
}
}
fclose( gerber->m_Current_File );
SetLocaleTo_Default();
gerber->m_InUse = true;
// Display errors list
if( m_Messages.size() > 0 )
{
HTML_MESSAGE_BOX dlg( this, _("Errors") );
dlg.ListSet(m_Messages);
dlg.ShowModal();
}
/* if the gerber file is only a RS274D file
* (i.e. without any aperture information), wran the user:
*/
if( !gerber->m_Has_DCode )
{
msg = _("Warning: this file has no D-Code definition\n"
"It is perhaps an old RS274D file\n"
"Therefore the size of items is undefined");
wxMessageBox( msg );
}
return true;
}