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Print in correct order when printing 4 pages per sheet to landscape

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Rotates page layout according to selected paper orientation
when printing through CUPS backend (#420335).
This commit is contained in:
Marek Kasik 2009-06-04 18:49:29 +02:00
parent 4bcf3e59d5
commit 961ab2e5c1
1 changed files with 33 additions and 0 deletions
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33
modules/printbackends/cups/gtkprintbackendcups.c
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@ -3964,6 +3964,39 @@ cups_printer_prepare_for_print (GtkPrinter *printer,
g_free (custom_name);
}
if (gtk_print_settings_get_number_up (settings) > 1)
{
GtkNumberUpLayout layout = gtk_print_settings_get_number_up_layout (settings);
GEnumClass *enum_class;
GEnumValue *enum_value;
switch (gtk_page_setup_get_orientation (page_setup))
{
case GTK_PAGE_ORIENTATION_PORTRAIT:
break;
case GTK_PAGE_ORIENTATION_LANDSCAPE:
if (layout < 4)
layout = layout + 5 - 2 * (layout % 2);
else
layout = layout - 6 + 4 * (1 - (layout - 4) / 2);
break;
case GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT:
layout = (layout + 3 - 2 * (layout % 2)) % 4 + 4 * (layout / 4);
break;
case GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE:
if (layout < 4)
layout = layout + 2 + 4 * (1 - layout / 2);
else
layout = layout - 3 - 2 * (layout % 2);
break;
}
enum_class = g_type_class_ref (GTK_TYPE_NUMBER_UP_LAYOUT);
enum_value = g_enum_get_value (enum_class, layout);
gtk_print_settings_set (settings, "cups-number-up-layout", enum_value->value_nick);
g_type_class_unref (enum_class);
}
print_job->rotate_to_orientation = TRUE;
}