glib: Add PopplerPageRange type

This type will be used for getting of suggested page ranges from
opened document if it contains PrintPageRange viewer preference.

poppler/poppler#290

glib/poppler-document.cc

@@ -1728,6 +1728,53 @@ poppler_document_get_print_n_copies (PopplerDocument *document)
   return retval;
 }
 
+/* PopplerPageRange */
+
+POPPLER_DEFINE_BOXED_TYPE (PopplerPageRange, poppler_page_range,
+			   poppler_page_range_copy,
+			   poppler_page_range_free)
+
+/**
+ * poppler_page_range_new:
+ *
+ * Creates a new #PopplerPageRange
+ *
+ * Returns: a new #PopplerPageRange, use poppler_page_range_free() to free it
+ */
+PopplerPageRange *
+poppler_page_range_new (void)
+{
+  return g_slice_new0 (PopplerPageRange);
+}
+
+/**
+ * poppler_page_range_copy:
+ * @range: a #PopplerPageRange to copy
+ *
+ * Creates a copy of @range
+ *
+ * Returns: a new allocated copy of @range
+ */
+PopplerPageRange *
+poppler_page_range_copy (PopplerPageRange *range)
+{
+  g_return_val_if_fail (range != nullptr, NULL);
+
+  return g_slice_dup (PopplerPageRange, range);
+}
+
+/**
+ * poppler_page_range_free:
+ * @range: a #PopplerPageRange
+ *
+ * Frees the given #PopplerPageRange
+ */
+void
+poppler_page_range_free (PopplerPageRange *range)
+{
+  g_slice_free (PopplerPageRange, range);
+}
+
 /**
  * poppler_document_get_permissions:
  * @document: A #PopplerDocument

glib/poppler-document.h

@@ -521,6 +521,30 @@ void           poppler_ps_file_set_duplex     (PopplerPSFile   *ps_file,
 POPPLER_PUBLIC
 void           poppler_ps_file_free           (PopplerPSFile   *ps_file);
 
+/**
+ * PopplerPageRange:
+ * @start_page: first page in the range of pages
+ * @end_page:   last page in the range of pages
+ *
+ * A #PopplerPageRange is used to specify a range of pages.
+ *
+ * Since: 0.78
+ */
+#define POPPLER_TYPE_PAGE_RANGE               (poppler_page_range_get_type ())
+struct _PopplerPageRange
+{
+  gint start_page;
+  gint end_page;
+};
+
+POPPLER_PUBLIC
+GType             poppler_page_range_get_type (void) G_GNUC_CONST;
+POPPLER_PUBLIC
+PopplerPageRange *poppler_page_range_new      ();
+POPPLER_PUBLIC
+PopplerPageRange *poppler_page_range_copy     (PopplerPageRange *range);
+POPPLER_PUBLIC
+void              poppler_page_range_free     (PopplerPageRange *range);
 
 
 G_END_DECLS

glib/poppler.h

@@ -211,6 +211,7 @@ typedef struct _PopplerQuadrilateral       PopplerQuadrilateral;
 typedef struct _PopplerStructureElement    PopplerStructureElement;
 typedef struct _PopplerStructureElementIter PopplerStructureElementIter;
 typedef struct _PopplerTextSpan            PopplerTextSpan;
+typedef struct _PopplerPageRange           PopplerPageRange;
 
 /**
  * PopplerBackend: