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-rw-r--r--liblogdiag/ld-canvas.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/liblogdiag/ld-canvas.h b/liblogdiag/ld-canvas.h
index ae42f26..9e2d105 100644
--- a/liblogdiag/ld-canvas.h
+++ b/liblogdiag/ld-canvas.h
@@ -80,6 +80,10 @@ void ld_canvas_diagram_to_widget_coords (LdCanvas *self,
gdouble ld_canvas_get_zoom (LdCanvas *self);
void ld_canvas_set_zoom (LdCanvas *self, gdouble zoom);
+gboolean ld_canvas_can_zoom_in (LdCanvas *self);
+void ld_canvas_zoom_in (LdCanvas *self);
+gboolean ld_canvas_can_zoom_out (LdCanvas *self);
+void ld_canvas_zoom_out (LdCanvas *self);
void ld_canvas_add_object_begin (LdCanvas *self, LdDiagramObject *object);