Prepare Plot Gerber file to include advanced aperture and net attributes.

This option is not yet activated because the net attributes are not yet fully fixed by Ucamco, in Gerber file format specifications.
(To activate it, see dialog_plot.cpp, line 43)

common/common_plotPDF_functions.cpp

@@ -94,7 +94,7 @@ void PDF_PLOTTER::SetViewport( const wxPoint& aOffset, double aIusPerDecimil,
  * no outline thickness
  * use in this case pen width = 1 does not actally change the polygon
  */
-void PDF_PLOTTER::SetCurrentLineWidth( int width )
+void PDF_PLOTTER::SetCurrentLineWidth( int width, void* aData )
 {
     wxASSERT( workFile );
     int pen_width;
@@ -263,7 +263,7 @@ void PDF_PLOTTER::Arc( const wxPoint& centre, double StAngle, double EndAngle, i
  * Polygon plotting for PDF. Everything is supported
  */
 void PDF_PLOTTER::PlotPoly( const std::vector< wxPoint >& aCornerList,
-                           FILL_T aFill, int aWidth )
+                           FILL_T aFill, int aWidth, void * aData )
 {
     wxASSERT( workFile );
     if( aCornerList.size() <= 1 )
@@ -756,7 +756,8 @@ void PDF_PLOTTER::Text( const wxPoint&              aPos,
                         int                         aWidth,
                         bool                        aItalic,
                         bool                        aBold,
-                        bool                        aMultilineAllowed )
+                        bool                        aMultilineAllowed,
+                        void*                       aData )
 {
     // PDF files do not like 0 sized texts which create broken files.
     if( aSize.x == 0 || aSize.y == 0 )
@@ -781,7 +782,7 @@ void PDF_PLOTTER::Text( const wxPoint&              aPos,
                 &ctm_d, &ctm_e, &ctm_f, &heightFactor );
 
         SetColor( aColor );
-        SetCurrentLineWidth( aWidth );
+        SetCurrentLineWidth( aWidth, aData );
 
         /* We use the full CTM instead of the text matrix because the same
            coordinate system will be used for the overlining. Also the %f