[goocanvas] Fixed goo_canvas_line_dash_newv introspection flags, added demos

[Damon Chaplin <damon src gnome org>]

commit aaa2cd5edaa3c903d6078f3f75673dc6d4100ec1
Author: Damon Chaplin <damon gnome org>
Date:   Fri Sep 27 22:43:08 2013 +0100

    Fixed goo_canvas_line_dash_newv introspection flags, added demos

 bindings/python/demo.py |    1 +
 demo/demo.c             |    4 ++++
 src/goocanvasutils.c    |    4 ++--
 3 files changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/bindings/python/demo.py b/bindings/python/demo.py
index d641e21..6b9e547 100755
--- a/bindings/python/demo.py
+++ b/bindings/python/demo.py
@@ -78,6 +78,7 @@ def setup_canvas(c):
     #Test the bezier curve commands: CcSsQqTt. */
     GooCanvas.CanvasPath (parent=root,
                   data="M20,100 C20,50 100,50 100,100 S180,150 180,100",
+                  line_dash=GooCanvas.CanvasLineDash.newv((10.0, 10.0)),
                   )
 
     GooCanvas.CanvasPath (parent=root,
diff --git a/demo/demo.c b/demo/demo.c
index 0a640da..1ec2d05 100644
--- a/demo/demo.c
+++ b/demo/demo.c
@@ -849,6 +849,7 @@ setup_rectangles (GooCanvasItem *root)
   static guchar stipple_data[16] = {
     0, 0, 0, 255,   0, 0, 0, 0,   0, 0, 0, 0,     0, 0, 0, 255
   };
+  GooCanvasLineDash *dash;
 
   item = goo_canvas_rect_new (root, 20, 30, 50, 30,
                              "stroke-color", "red",
@@ -874,12 +875,15 @@ setup_rectangles (GooCanvasItem *root)
                              NULL);
   setup_item_signals (item);
 
+  dash = goo_canvas_line_dash_new (2, 5.0, 2.0);
   item = goo_canvas_rect_new (root, 20, 90, 70, 60,
                              "fill-color-rgba", 0x3cb37180,
+                             "line-dash", dash,
                              "stroke-color", "blue",
                              "line-width", 2.0,
                              "tooltip", "Partially transparent rectangle",
                              NULL);
+  goo_canvas_line_dash_unref (dash);
   setup_item_signals (item);
 
   item = goo_canvas_rect_new (root, 110, 80, 50, 30,
diff --git a/src/goocanvasutils.c b/src/goocanvasutils.c
index 4c831a6..5a49b41 100644
--- a/src/goocanvasutils.c
+++ b/src/goocanvasutils.c
@@ -413,8 +413,8 @@ goo_canvas_line_dash_new (gint num_dashes,
 /**
  * goo_canvas_line_dash_newv:
  * @num_dashes: the number of dashes and gaps in the pattern.
- * @dashes: a g_new-allocated vector of doubles, the length of each
- * dash and gap.
+ * @dashes: (array length=num_dashes) (transfer full): a g_new-allocated vector
+ * of doubles, the length of each dash and gap.
  * 
  * Creates a new dash pattern.  Takes ownership of the @dashes vector.
  *