X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=libdocument%2Fev-document.h;h=5afdb035166e60951bc0dc9a6b6fa00464da96dc;hb=776a6fe02961d8901d21e172633d3c8d1c85dc93;hp=7cb6d8470551f96e4b5f6574d51dde3ef5dc3278;hpb=ab26fbf217460c766111850bf40725e5e65a5533;p=evince.git

diff --git a/libdocument/ev-document.h b/libdocument/ev-document.h
index 7cb6d847..5afdb035 100644
--- a/libdocument/ev-document.h
+++ b/libdocument/ev-document.h
@@ -19,6 +19,10 @@
  *  $Id$
  */
 
+#if !defined (__EV_EVINCE_DOCUMENT_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-document.h> can be included directly."
+#endif
+
 #ifndef EV_DOCUMENT_H
 #define EV_DOCUMENT_H
 
@@ -60,12 +64,7 @@ typedef struct {
         double y;
 } EvPoint;
 
-typedef struct {
-        double x1;
-        double y1;
-        double x2;
-        double y2;
-} EvRectangle;
+typedef struct _EvRectangle EvRectangle;
 
 struct _EvDocumentIface
 {
@@ -133,6 +132,20 @@ cairo_surface_t *ev_document_render           (EvDocument      *document,
 gint            ev_rect_cmp                   (EvRectangle     *a,
                                                EvRectangle     *b);
 
+#define EV_TYPE_RECTANGLE (ev_rectangle_get_type ())
+struct _EvRectangle
+{
+	gdouble x1;
+	gdouble y1;
+	gdouble x2;
+	gdouble y2;
+};
+
+GType        ev_rectangle_get_type (void) G_GNUC_CONST;
+EvRectangle *ev_rectangle_new      (void);
+EvRectangle *ev_rectangle_copy     (EvRectangle *ev_rect);
+void         ev_rectangle_free     (EvRectangle *ev_rect);
+
 /* convenience macro to ease interface addition in the CODE
  * section of EV_BACKEND_REGISTER_WITH_CODE (this macro relies on
  * the g_define_type_id present within EV_BACKEND_REGISTER_WITH_CODE()).
@@ -178,7 +191,7 @@ static void     backend_name##_class_intern_init (gpointer klass)		\
 G_MODULE_EXPORT GType								\
 register_evince_backend (GTypeModule *module)					\
 {										\
-	static const GTypeInfo our_info = {  				        \
+	const GTypeInfo our_info = {  				        \
 		sizeof (BackendName##Class),					\
 		NULL, /* base_init */						\
 		NULL, /* base_finalize */					\
@@ -265,6 +278,25 @@ type_name##_get_type (void)
 	}                                                                                    \
 	return g_define_type_id__volatile;                                                   \
 }
+
+/*
+ * A convenience macro for boxed type implementations, which defines a
+ * type_name_get_type() function registering the boxed type.
+ */
+#define EV_DEFINE_BOXED_TYPE(TypeName, type_name, copy_func, free_func)               \
+GType                                                                                 \
+type_name##_get_type (void)                                                           \
+{                                                                                     \
+        static volatile gsize g_define_type_id__volatile = 0;                         \
+	if (g_once_init_enter (&g_define_type_id__volatile)) {                        \
+	        GType g_define_type_id =                                              \
+		    g_boxed_type_register_static (g_intern_static_string (#TypeName), \
+		                                  (GBoxedCopyFunc) copy_func,         \
+						  (GBoxedFreeFunc) free_func);        \
+		g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);    \
+	}                                                                             \
+	return g_define_type_id__volatile;                                            \
+}
 		
 G_END_DECLS