newbie simple graphics contexts & *color* question



I've noticed if one wants to draw on a pixmap
with a certain color they pull some component
off the drawing area like so:

     myDrawingArea1->style->black_gc
     myDrawingArea2->style->black_gc

Q1:
Is black_gc on
drawing area1 different from black_gc
on number 2??? 
Can I get these pointers from elsewhere so I don't have
to pull them off some arbitrary drawing area???


Q2:
By the way, in a gdk_draw_pixmap I saw something like
following...

   gdk_draw_pixmap(myDrawingArea->window,
      myDrawingArea->style->fg_gc[GTK_WIDGET_STATE(widget)],
      myPixmap, 0, 0, 0, 0, width, height);

What is going on in that second arg??? ... is fg_gc the
"current" foreground or something???

Thanks,

Chris



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