+#if GTK_CHECK_VERSION (2, 11, 0)
+static GtkUnit
+get_default_user_units (void)
+{
+ /* Translate to the default units to use for presenting
+ * lengths to the user. Translate to default:inch if you
+ * want inches, otherwise translate to default:mm.
+ * Do *not* translate it to "predefinito:mm", if it
+ * it isn't default:mm or default:inch it will not work
+ */
+ gchar *e = _("default:mm");
+
+#ifdef HAVE__NL_MEASUREMENT_MEASUREMENT
+ gchar *imperial = NULL;
+
+ imperial = nl_langinfo (_NL_MEASUREMENT_MEASUREMENT);
+ if (imperial && imperial[0] == 2)
+ return GTK_UNIT_INCH; /* imperial */
+ if (imperial && imperial[0] == 1)
+ return GTK_UNIT_MM; /* metric */
+#endif
+
+ if (strcmp (e, "default:mm") == 0)
+ return GTK_UNIT_MM;
+ if (strcmp (e, "default:inch") == 0)
+ return GTK_UNIT_INCH;
+
+ g_warning ("Whoever translated default:mm did so wrongly.\n");
+
+ return GTK_UNIT_MM;
+}
+
+static gdouble
+get_tolerance (gdouble size)
+{
+ if (size < 150.0f)
+ return 1.5f;
+ else if (size >= 150.0f && size <= 600.0f)
+ return 2.0f;
+ else
+ return 3.0f;
+}
+
+static char *
+ev_regular_paper_size (const EvDocumentInfo *info)
+{
+ GList *paper_sizes, *l;
+ gchar *exact_size;
+ gchar *str = NULL;
+ GtkUnit units;
+
+ units = get_default_user_units ();
+
+ if (units == GTK_UNIT_MM) {
+ exact_size = g_strdup_printf(_("%.0f x %.0f mm"),
+ info->paper_width,
+ info->paper_height);
+ } else {
+ exact_size = g_strdup_printf (_("%.2f x %.2f inch"),
+ info->paper_width / 25.4f,
+ info->paper_height / 25.4f);
+ }
+
+ paper_sizes = gtk_paper_size_get_paper_sizes (FALSE);
+
+ for (l = paper_sizes; l && l->data; l = g_list_next (l)) {
+ GtkPaperSize *size = (GtkPaperSize *) l->data;
+ gdouble paper_width;
+ gdouble paper_height;
+ gdouble width_tolerance;
+ gdouble height_tolerance;
+
+ paper_width = gtk_paper_size_get_width (size, GTK_UNIT_MM);
+ paper_height = gtk_paper_size_get_height (size, GTK_UNIT_MM);
+
+ width_tolerance = get_tolerance (paper_width);
+ height_tolerance = get_tolerance (paper_height);
+
+ if (ABS (info->paper_height - paper_height) <= height_tolerance &&
+ ABS (info->paper_width - paper_width) <= width_tolerance) {
+ /* Note to translators: first placeholder is the paper name (eg.
+ * A4), second placeholder is the paper size (eg. 297x210 mm) */
+ str = g_strdup_printf (_("%s, Portrait (%s)"),
+ gtk_paper_size_get_display_name (size),
+ exact_size);
+ } else if (ABS (info->paper_width - paper_height) <= height_tolerance &&
+ ABS (info->paper_height - paper_width) <= width_tolerance) {
+ /* Note to translators: first placeholder is the paper name (eg.
+ * A4), second placeholder is the paper size (eg. 297x210 mm) */
+ str = g_strdup_printf ( _("%s, Landscape (%s)"),
+ gtk_paper_size_get_display_name (size),
+ exact_size);
+ }
+ }
+
+ g_list_foreach (paper_sizes, (GFunc) gtk_paper_size_free, NULL);
+ g_list_free (paper_sizes);
+
+ if (str != NULL) {
+ g_free (exact_size);
+ return str;
+ }
+
+ return exact_size;
+}
+#else /* ! GTK 2.11.0 */
+/*
+ * All values are in mm.
+ * Source: http://en.wikipedia.org/wiki/Paper_size
+ */
+struct regular_paper_size {
+ double width;
+ double height;
+ double width_tolerance;
+ double height_tolerance;
+ const char *description;
+} const regular_paper_sizes[] = {
+ // ISO 216 paper sizes
+ { 841.0f, 1189.0f, 3.0f, 3.0f, "A0" },
+ { 594.0f, 841.0f, 2.0f, 3.0f, "A1" },
+ { 420.0f, 594.0f, 2.0f, 2.0f, "A2" },
+ { 297.0f, 420.0f, 2.0f, 2.0f, "A3" },
+ { 210.0f, 297.0f, 2.0f, 2.0f, "A4" },
+ { 148.0f, 210.0f, 1.5f, 2.0f, "A5" },
+ { 105.0f, 148.0f, 1.5f, 1.5f, "A6" },
+ { 74.0f, 105.0f, 1.5f, 1.5f, "A7" },
+ { 52.0f, 74.0f, 1.5f, 1.5f, "A8" },
+ { 37.0f, 52.0f, 1.5f, 1.5f, "A9" },
+ { 26.0f, 37.0f, 1.5f, 1.5f, "A10" },
+ { 1000.0f, 1414.0f, 3.0f, 3.0f, "B0" },
+ { 707.0f, 1000.0f, 3.0f, 3.0f, "B1" },
+ { 500.0f, 707.0f, 2.0f, 3.0f, "B2" },
+ { 353.0f, 500.0f, 2.0f, 2.0f, "B3" },
+ { 250.0f, 353.0f, 2.0f, 2.0f, "B4" },
+ { 176.0f, 250.0f, 2.0f, 2.0f, "B5" },
+ { 125.0f, 176.0f, 1.5f, 2.0f, "B6" },
+ { 88.0f, 125.0f, 1.5f, 1.5f, "B7" },
+ { 62.0f, 88.0f, 1.5f, 1.5f, "B8" },
+ { 44.0f, 62.0f, 1.5f, 1.5f, "B9" },
+ { 31.0f, 44.0f, 1.5f, 1.5f, "B10" },
+ { 917.0f, 1297.0f, 3.0f, 3.0f, "C0" },
+ { 648.0f, 917.0f, 3.0f, 3.0f, "C1" },
+ { 458.0f, 648.0f, 2.0f, 3.0f, "C2" },
+ { 324.0f, 458.0f, 2.0f, 2.0f, "C3" },
+ { 229.0f, 324.0f, 2.0f, 2.0f, "C4" },
+ { 162.0f, 229.0f, 2.0f, 2.0f, "C5" },
+ { 114.0f, 162.0f, 1.5f, 2.0f, "C6" },
+ { 81.0f, 114.0f, 1.5f, 1.5f, "C7" },
+ { 57.0f, 81.0f, 1.5f, 1.5f, "C8" },
+ { 40.0f, 57.0f, 1.5f, 1.5f, "C9" },
+ { 28.0f, 40.0f, 1.5f, 1.5f, "C10" },
+
+ // US paper sizes
+ { 279.0f, 216.0f, 3.0f, 3.0f, "Letter" },
+ { 356.0f, 216.0f, 3.0f, 3.0f, "Legal" },
+ { 432.0f, 279.0f, 3.0f, 3.0f, "Ledger" }
+};
+
+typedef enum {
+ EV_UNIT_INCH,
+ EV_UNIT_MM
+} EvUnit;
+
+static EvUnit
+ev_get_default_user_units (void)
+{
+ /* Translate to the default units to use for presenting
+ * lengths to the user. Translate to default:inch if you
+ * want inches, otherwise translate to default:mm.
+ * Do *not* translate it to "predefinito:mm", if it
+ * it isn't default:mm or default:inch it will not work
+ */
+ gchar *e = _("default:mm");
+
+#ifdef HAVE__NL_MEASUREMENT_MEASUREMENT
+ gchar *imperial = NULL;
+
+ imperial = nl_langinfo (_NL_MEASUREMENT_MEASUREMENT);
+ if (imperial && imperial[0] == 2 )
+ return EV_UNIT_INCH; /* imperial */
+ if (imperial && imperial[0] == 1 )
+ return EV_UNIT_MM; /* metric */
+#endif
+
+ if (strcmp (e, "default:inch")==0)
+ return EV_UNIT_INCH;
+ else if (strcmp (e, "default:mm"))
+ g_warning ("Whoever translated default:mm did so wrongly.\n");
+ return EV_UNIT_MM;
+}
+
+static char *
+ev_regular_paper_size (const EvDocumentInfo *info)
+{
+ const struct regular_paper_size *size;
+ EvUnit unit;
+ char *exact_size = NULL;
+ char *str = NULL;
+ int i;
+
+ unit = ev_get_default_user_units ();
+
+ if (unit == EV_UNIT_INCH)
+ /* Imperial measurement (inches) */
+ exact_size = g_strdup_printf( _("%.2f x %.2f in"),
+ info->paper_width / 25.4f,
+ info->paper_height / 25.4f );
+ else
+ /* Metric measurement (millimeters) */
+ exact_size = g_strdup_printf( _("%.0f x %.0f mm"),
+ info->paper_width,
+ info->paper_height );
+
+ for (i = G_N_ELEMENTS ( regular_paper_sizes ) - 1; i >= 0; i--) {
+ size = ®ular_paper_sizes[i];
+
+ if ( ABS( info->paper_height - size->height ) <= size->height_tolerance &&
+ ABS( info->paper_width - size->width ) <= size->width_tolerance ) {
+ /* Note to translators: first placeholder is the paper name (eg.
+ * A4), second placeholder is the paper size (eg. 297x210 mm) */
+ str = g_strdup_printf ( _("%s, Portrait (%s)"),
+ size->description,
+ exact_size );
+ } else if ( ABS( info->paper_width - size->height ) <= size->height_tolerance &&
+ ABS( info->paper_height - size->width ) <= size->width_tolerance ) {
+ /* Note to translators: first placeholder is the paper name (eg.
+ * A4), second placeholder is the paper size (eg. 297x210 mm) */
+ str = g_strdup_printf ( _("%s, Landscape (%s)"),
+ size->description,
+ exact_size );
+ }
+ }
+
+ if (str != NULL) {
+ g_free (exact_size);
+ return str;
+ } else
+ return exact_size;
+}
+#endif /* GTK 2.11.0 */
+
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff