[gtk+] Set hard margins to 0 when printing n-up on unix printers

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 7c5e1cb7037fc9e824c044547d2a664fb800bb1f
Author: Adrian Johnson <ajohnson redneon com>
Date:   Sat Nov 21 21:10:36 2009 +1030

    Set hard margins to 0 when printing n-up on unix printers

 gtk/gtkprintoperation-unix.c |   15 +++++++++++++--
 1 files changed, 13 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkprintoperation-unix.c b/gtk/gtkprintoperation-unix.c
index 5940600..fb3b51a 100644
--- a/gtk/gtkprintoperation-unix.c
+++ b/gtk/gtkprintoperation-unix.c
@@ -545,8 +545,19 @@ finish_print (PrintResponseData *rdata,
       gtk_print_operation_set_print_settings (op, settings);
       priv->print_context = _gtk_print_context_new (op);
 
-      if (gtk_printer_get_hard_margins (printer, &top, &bottom, &left, &right))
-        _gtk_print_context_set_hard_margins (priv->print_context, top, bottom, left, right);
+      if (gtk_print_settings_get_number_up (settings) < 2)
+        {
+	  if (gtk_printer_get_hard_margins (printer, &top, &bottom, &left, &right))
+	    _gtk_print_context_set_hard_margins (priv->print_context, top, bottom, left, right);
+	}
+      else
+        {
+	  /* Pages do not have any unprintable area when printing n-up as each page on the
+	   * sheet has been scaled down and translated to a position within the printable
+	   * area of the sheet.
+	   */
+	  _gtk_print_context_set_hard_margins (priv->print_context, 0, 0, 0, 0);
+	}
 
       if (page_setup != NULL &&
           (gtk_print_operation_get_default_page_setup (op) == NULL ||