kicad/gerbview/readgerb.cpp

175 lines
4.9 KiB
C++

/**********************/
/**** readgerb.cpp ****/
/**********************/
#include "fctsys.h"
#include "common.h"
#include "confirm.h"
#include "kicad_string.h"
#include "gestfich.h"
#include "gerbview.h"
#include "class_GERBER.h"
#include "dialog_load_error.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 = _( "File " ) + GERBER_FullFileName + _( " not found" );
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->ReturnGCodeNumber( 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->ReturnDCodeNumber( 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 )
{
DIALOG_LOAD_ERROR dlg( this );
dlg.ListSet(m_Messages);
dlg.ShowModal();
}
/* Init DCodes list and perhaps read a DCODES file,
* if the gerber file is only a RS274D file
* (i.e. without any aperture information)
*/
if( !gerber->m_Has_DCode )
{
return LoadDCodeFile( D_Code_FullFileName );
}
return true;
}