gerbview: add french translation, G55 command (a do nothing command) and solved a bug that can crashes gerbview with files without any DCODE tools info.

gerbview/dcode.cpp

@@ -379,6 +379,8 @@ void WinEDA_GerberFrame::CopyDCodesSizeToItems()
 /* Set Size Items (Lines, Flashes) from DCodes List
  */
 {
+    static D_CODE dummy(999);   //Used if D_CODE not found in list
+
     for( TRACK* track = m_Pcb->m_Track;  track;  track = track->Next() )
     {
         GERBER* gerber = g_GERBER_List[track->GetLayer()];
@@ -386,6 +388,8 @@ void WinEDA_GerberFrame::CopyDCodesSizeToItems()
 
         D_CODE* dcode  = gerber->GetDCODE( track->GetNet(), false );
         wxASSERT( dcode );
+        if ( dcode == NULL )
+            dcode = &dummy;
 
         dcode->m_InUse = TRUE;
 
@@ -415,7 +419,7 @@ void WinEDA_GerberFrame::CopyDCodesSizeToItems()
 
             switch( dcode->m_Shape )
             {
-            case APT_LINE:          // ne devrait pas etre utilis� ici
+            case APT_LINE:          // might not appears here, but some broken gerber files use it
             case APT_CIRCLE:        /* spot round (for GERBER)*/
                 track->m_Shape = S_SPOT_CIRCLE;
                 break;

gerbview/gerbview.h

@@ -83,6 +83,7 @@ enum Gerb_GCommand {
     GC_TURN_ON_POLY_FILL        = 36,
     GC_TURN_OFF_POLY_FILL       = 37,
     GC_SELECT_TOOL = 54,
+    GC_PHOTO_MODE = 55,                 // can starts a D03 flash command: redundant with D03
     GC_SPECIFY_INCHES = 70,
     GC_SPECIFY_MILLIMETERS      = 71,
     GC_TURN_OFF_360_INTERPOL    = 74,
@@ -292,7 +293,7 @@ inline double DCODE_PARAM::GetValue( const D_CODE* aDcode ) const
     {
         // the first one was numbered 1, not zero, as in $1, see page 19 of spec.
         unsigned ndx = GetIndex() - 1;
-
+        wxASSERT(aDcode);
         // get the parameter from the aDcode
         if( ndx < aDcode->m_am_params.size() )
             return aDcode->m_am_params[ndx].GetValue( NULL );

gerbview/rs274d.cpp

@@ -198,7 +198,7 @@ static void fillLineTRACK(  TRACK* aTrack, int Dcode_index, int aLayer,
 }
 
 
-#if 0 // @todo finish translating comment and get it into the doxygen function comment for fillArcTRACK below
+#if 0 // @todo get it into the doxygen function comment for fillArcTRACK below
 /*****************************************************************/
 static void Append_1_SEG_ARC_GERBER( int Dcode_index,
                                      WinEDA_GerberFrame* frame, wxDC* DC,
@@ -208,15 +208,20 @@ static void Append_1_SEG_ARC_GERBER( int Dcode_index,
 /*****************************************************************/
 
 /*
- creation d'un arc:
-  si multiquadrant == true arc de 0 a 360 degres
-      et rel_center est la coordonn�e du centre relativement au startpoint
-
-  si multiquadrant == false arc de 0 � 90 entierement contenu dans le meme quadrant
-      et rel_center est la coordonn�e du centre relativement au startpoint,
-      mais en VALEUR ABSOLUE et le signe des valeurs x et y de rel_center doit
-      etre deduit de cette limite de 90 degres
-*/
+  * Creates an arc:
+  * if multiquadrant == true : arc can be 0 to 360 degres
+  *   and rel_center is the center coordiante relative to startpoint.
+ *
+  * if multiquadrant == false arc can be only 0 to 90 deg,
+  *     and only in the same quadrant :
+  *         absolute angle 0 to 90 (quadrant 1) or
+  *         absolute angle 90 to 180 (quadrant 2) or
+  *         absolute angle 180 to 270 (quadrant 3) or
+  *         absolute angle 270 to 0 (quadrant 4)
+  *   rel_center is the center coordiante relative to startpoint,
+  *   given in ABSOLUE VALUE and the signe of values x et y de rel_center
+  *   must be calculated from the previously given constraint: arc only in the same quadrant
+ */
 
 #endif
 
@@ -641,6 +646,9 @@ bool GERBER::Execute_G_Command( char*& text, int G_commande )
 {
     switch( G_commande )
     {
+    case GC_PHOTO_MODE:                 // can starts a D03 flash command: redundant, can be safely ignored
+        break;
+
     case GC_LINEAR_INTERPOL_1X:
         m_Iterpolation = GERB_INTERPOL_LINEAR_1X;
         break;