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kicad/gerbview/readgerb.cpp

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/********************************************************/
/**** Routine de lecture et visu d'un fichier GERBER ****/
/********************************************************/
#include "fctsys.h"
#include "common.h"
#include "confirm.h"
#include "kicad_string.h"
#include "gestfich.h"
#include "gerbview.h"
#include "pcbplot.h"
#include "protos.h"
/* Format Gerber : NOTES :
* Fonctions preparatoires:
* Gn =
* G01 interpolation lineaire ( trace de droites )
* G02,G20,G21 Interpolation circulaire , sens trigo < 0
* G03,G30,G31 Interpolation circulaire , sens trigo > 0
* G04 commentaire
* G06 Interpolation parabolique
* G07 Interpolation cubique
* G10 interpolation lineaire ( echelle 10x )
* G11 interpolation lineaire ( echelle 0.1x )
* G12 interpolation lineaire ( echelle 0.01x )
* G52 plot symbole reference par Dnn code
* G53 plot symbole reference par Dnn ; symbole tourne de -90 degres
* G54 Selection d'outil
* G55 Mode exposition photo
* G56 plot symbole reference par Dnn A code
* G57 affiche le symbole reference sur la console
* G58 plot et affiche le symbole reference sur la console
* G60 interpolation lineaire ( echelle 100x )
* G70 Unites = Inches
* G71 Unites = Millimetres
* G74 supprime interpolation circulaire sur 360 degre, revient a G01
* G75 Active interpolation circulaire sur 360 degre
* G90 Mode Coordonnees absolues
* G91 Mode Coordonnees Relatives
*
* Coordonnees X,Y
* X,Y sont suivies de + ou - et de m+n chiffres (non separes)
* m = partie entiere
* n = partie apres la virgule
* formats classiques : m = 2, n = 3 (format 2.3)
* m = 3, n = 4 (format 3.4)
* ex:
* G__ X00345Y-06123 D__*
*
* Outils et D_CODES
* numero d'outil ( identification des formes )
* 1 a 99 (classique)
* 1 a 999
* D_CODES:
*
* D01 ... D9 = codes d'action:
* D01 = activation de lumiere (baisser de plume) lors du d<>placement
* D02 = extinction de lumiere (lever de plume) lors du d<>placement
* D03 = Flash
* D09 = VAPE Flash
* D51 = precede par G54 -> Select VAPE
*
* D10 ... D255 = Indentification d'outils ( d'ouvertures )
* Ne sont pas tj dans l'ordre ( voir tableau dans PCBPLOT.H)
*/
/* Variables locales : */
/* Routines Locales */
/* Routine de Lecture d'un fichier de D Codes.
* Accepte format standard ou ALSPCB
* un ';' demarre un commentaire.
*
* Format Standard:
* tool, Horiz, Vert, drill, vitesse, acc. ,Type ; [DCODE (commentaire)]
* ex: 1, 12, 12, 0, 0, 0, 3 ; D10
*
* Format ALSPCB:
* Ver , Hor , Type , Tool [,Drill]
* ex: 0.012, 0.012, L , D10
*
* Classe les caract en buf_tmp sous forme de tableau de structures D_CODE.
* Retourne:
* < 0 si erreur:
* -1 = Fichier non trouve
* -2 = Erreur lecture fichier
* Rang de D_code maxi lu ( nbr de dcodes )
*
*
* Representation interne:
*
* Les lignes sont repr<70>sent<6E>es par des TRACKS standards
* Les Flash sont repr<70>sent<6E>es par des DRAWSEGMENTS
* - ronds ou ovales: DRAWSEGMENTS
* - rectangles: DRAWSEGMENTS
* la reference aux D-CODES est plac<61>e dans le membre GetNet()
*/
/********************************************************/
bool WinEDA_GerberFrame::Read_GERBER_File( wxDC* DC,
const wxString& GERBER_FullFileName,
const wxString& D_Code_FullFileName )
/********************************************************/
/* Read a gerber file (RS274D or RS274X format).
* Normal format:
* Imperial
* Absolute
* end of block = *
* CrLf after each command
* G codes repetes
*/
{
int G_commande = 0,
D_commande = 0; /* command number for G et D commands (like G04 or D02) */
char line[GERBER_BUFZ];
wxString msg;
char* text;
int layer; /* current layer used in gerbview */
GERBER* gerber;
wxPoint pos;
int error = 0;
layer = GetScreen()->m_Active_Layer;
if( g_GERBER_List[layer] == NULL )
{
g_GERBER_List[layer] = new GERBER( layer );
}
gerber = g_GERBER_List[layer];
/* 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 );
wxBusyCursor show_wait;
SetLocaleTo_C_standard( );
while( TRUE )
{
if( fgets( line, sizeof(line), gerber->m_Current_File ) == NULL ) // E.O.F
{
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 commande
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_commande = gerber->ReturnGCodeNumber( text );
gerber->Execute_G_Command( text, G_commande );
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( this, DC,
text, D_commande );
break;
case 'X':
case 'Y': /* Move or draw command */
pos = gerber->ReadXYCoord( text );
if( *text == '*' ) // command like X12550Y19250*
{
gerber->Execute_DCODE_Command( this, DC, text,
gerber->m_Last_Pen_Command );
}
break;
case 'I':
case 'J': /* Auxiliary Move command */
pos = gerber->ReadIJCoord( text );
break;
case '%':
if( gerber->m_CommandState != ENTER_RS274X_CMD )
{
gerber->m_CommandState = ENTER_RS274X_CMD;
if( !gerber->ReadRS274XCommand( this, DC, line, text ) )
{
error++;
}
}
else //Error
{
error++;
gerber->m_CommandState = CMD_IDLE;
text++;
}
break;
default:
text++;
error++;
break;
}
}
}
if( error )
{
msg.Printf( _( "%d errors while reading Gerber file [%s]" ),
error, GERBER_FullFileName.GetData() );
DisplayError( this, msg );
}
fclose( gerber->m_Current_File );
SetLocaleTo_Default( );
/* Init DCodes list and perhaps read a DCODES file,
* if the gerber file is only a RS274D file (without any aperture information)
*/
if( !gerber->m_Has_DCode )
{
wxString DCodeFileName;
if( D_Code_FullFileName.IsEmpty() )
{
wxString mask;
DCodeFileName = GERBER_FullFileName;
ChangeFileNameExt( DCodeFileName, g_PenFilenameExt );
mask = wxT( "*" ) + g_PenFilenameExt;
DCodeFileName = EDA_FileSelector( _( "D codes files:" ),
wxEmptyString, /* Chemin par defaut */
DCodeFileName, /* nom fichier par defaut */
g_PenFilenameExt, /* extension par defaut */
mask, /* Masque d'affichage */
this,
0,
TRUE
);
}
else
DCodeFileName = D_Code_FullFileName;
if( !DCodeFileName.IsEmpty() )
{
Read_D_Code_File( DCodeFileName );
CopyDCodesSizeToItems();
}
}
return TRUE;
}
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