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Add ability to print in number-up mode for file backend and lpr backend

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GtkPrintOperation is now able to render multiple pages per sheet by its
own. The most important changes are in these functions:
  * increment_page_sequence
  * prepare_data
  * common_render_page
  * print_pages_idle
Patch also changes set of choices for 2 pages per sheet mode when
landscape orientation is used to "Top to bottom" and "Bottom to top".
This commit is contained in:
Marek Kasik
2009-05-13 18:28:42 +02:00
parent 26c10075f9
commit 91190ce281
10 changed files with 462 additions and 82 deletions
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72
gtk/gtkprintunixdialog.c
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@ -2428,6 +2428,7 @@ update_number_up_layout (GtkPrintUnixDialog *dialog)
GtkNumberUpLayout layout;
GtkPrinterOption *option;
GtkPrinterOption *old_option;
GtkPageOrientation page_orientation;
set = priv->options;
@ -2438,17 +2439,64 @@ update_number_up_layout (GtkPrintUnixDialog *dialog)
if (priv->number_up_layout_n_option == NULL)
{
priv->number_up_layout_n_option = gtk_printer_option_set_lookup (set, "gtk-n-up-layout");
if (priv->number_up_layout_n_option == NULL)
{
char *n_up_layout[] = { "lrtb", "lrbt", "rltb", "rlbt", "tblr", "tbrl", "btlr", "btrl" };
/* Translators: These strings name the possible arrangements of
* multiple pages on a sheet when printing (same as in gtkprintbackendcups.c)
*/
char *n_up_layout_display[] = { N_("Left to right, top to bottom"), N_("Left to right, bottom to top"),
N_("Right to left, top to bottom"), N_("Right to left, bottom to top"),
N_("Top to bottom, left to right"), N_("Top to bottom, right to left"),
N_("Bottom to top, left to right"), N_("Bottom to top, right to left") };
int i;
priv->number_up_layout_n_option = gtk_printer_option_new ("gtk-n-up-layout",
_("Page Ordering"),
GTK_PRINTER_OPTION_TYPE_PICKONE);
gtk_printer_option_allocate_choices (priv->number_up_layout_n_option, 8);
for (i = 0; i < G_N_ELEMENTS (n_up_layout_display); i++)
{
priv->number_up_layout_n_option->choices[i] = g_strdup (n_up_layout[i]);
priv->number_up_layout_n_option->choices_display[i] = g_strdup (_(n_up_layout_display[i]));
}
}
g_object_ref (priv->number_up_layout_n_option);
priv->number_up_layout_2_option = gtk_printer_option_new ("gtk-n-up-layout",
_("Page Ordering"),
GTK_PRINTER_OPTION_TYPE_PICKONE);
gtk_printer_option_allocate_choices (priv->number_up_layout_2_option, 2);
}
priv->number_up_layout_2_option->choices[0] = priv->number_up_layout_n_option->choices[0];
priv->number_up_layout_2_option->choices[1] = priv->number_up_layout_n_option->choices[2];
priv->number_up_layout_2_option->choices_display[0] = g_strdup ( _("Left to right"));
priv->number_up_layout_2_option->choices_display[1] = g_strdup ( _("Right to left"));
page_orientation = gtk_page_setup_get_orientation (priv->page_setup);
if (page_orientation == GTK_PAGE_ORIENTATION_PORTRAIT ||
page_orientation == GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT)
{
if (! (priv->number_up_layout_2_option->choices[0] == priv->number_up_layout_n_option->choices[0] &&
priv->number_up_layout_2_option->choices[1] == priv->number_up_layout_n_option->choices[2]))
{
g_free (priv->number_up_layout_2_option->choices_display[0]);
g_free (priv->number_up_layout_2_option->choices_display[1]);
priv->number_up_layout_2_option->choices[0] = priv->number_up_layout_n_option->choices[0];
priv->number_up_layout_2_option->choices[1] = priv->number_up_layout_n_option->choices[2];
priv->number_up_layout_2_option->choices_display[0] = g_strdup ( _("Left to right"));
priv->number_up_layout_2_option->choices_display[1] = g_strdup ( _("Right to left"));
}
}
else
{
if (! (priv->number_up_layout_2_option->choices[0] == priv->number_up_layout_n_option->choices[0] &&
priv->number_up_layout_2_option->choices[1] == priv->number_up_layout_n_option->choices[1]))
{
g_free (priv->number_up_layout_2_option->choices_display[0]);
g_free (priv->number_up_layout_2_option->choices_display[1]);
priv->number_up_layout_2_option->choices[0] = priv->number_up_layout_n_option->choices[0];
priv->number_up_layout_2_option->choices[1] = priv->number_up_layout_n_option->choices[1];
priv->number_up_layout_2_option->choices_display[0] = g_strdup ( _("Top to bottom"));
priv->number_up_layout_2_option->choices_display[1] = g_strdup ( _("Bottom to top"));
}
}
layout = dialog_get_number_up_layout (dialog);
@ -2468,12 +2516,20 @@ update_number_up_layout (GtkPrintUnixDialog *dialog)
option = priv->number_up_layout_2_option;
if (layout == GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM ||
layout == GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_BOTTOM_TO_TOP ||
layout == GTK_NUMBER_UP_LAYOUT_TOP_TO_BOTTOM_LEFT_TO_RIGHT ||
layout == GTK_NUMBER_UP_LAYOUT_BOTTOM_TO_TOP_LEFT_TO_RIGHT)
layout == GTK_NUMBER_UP_LAYOUT_TOP_TO_BOTTOM_LEFT_TO_RIGHT)
enum_value = g_enum_get_value (enum_class, GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_TOP_TO_BOTTOM);
else
if (layout == GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_BOTTOM_TO_TOP ||
layout == GTK_NUMBER_UP_LAYOUT_BOTTOM_TO_TOP_LEFT_TO_RIGHT)
enum_value = g_enum_get_value (enum_class, GTK_NUMBER_UP_LAYOUT_LEFT_TO_RIGHT_BOTTOM_TO_TOP);
if (layout == GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_TOP_TO_BOTTOM ||
layout == GTK_NUMBER_UP_LAYOUT_TOP_TO_BOTTOM_RIGHT_TO_LEFT)
enum_value = g_enum_get_value (enum_class, GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_TOP_TO_BOTTOM);
if (layout == GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_BOTTOM_TO_TOP ||
layout == GTK_NUMBER_UP_LAYOUT_BOTTOM_TO_TOP_RIGHT_TO_LEFT)
enum_value = g_enum_get_value (enum_class, GTK_NUMBER_UP_LAYOUT_RIGHT_TO_LEFT_BOTTOM_TO_TOP);
}
else
{