[goocanvas] added (allow-none) annotations for a few functions

[Damon Chaplin <damon src gnome org>]

commit 9bf4ed171f7e6ed63f61d99298b14fe5548eb5be
Author: Damon Chaplin <Damon A Chaplin gmail com>
Date:   Thu Dec 15 21:00:30 2016 +0000

    added (allow-none) annotations for a few functions

 ChangeLog           |    7 +++++++
 src/goocanvas.c     |   10 +++++-----
 src/goocanvastext.c |    4 ++--
 3 files changed, 14 insertions(+), 7 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 7f30d6d..d042e78 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2016-12-15  Damon Chaplin  <damon gnome org>
 
+       * src/goocanvastext.c (goo_canvas_text_get_natural_extents):
+       * src/goocanvas.c (goo_canvas_render):
+       * src/goocanvas.c (goo_canvas_get_bounds): added (allow-none)
+       annotations for introspection.
+
+2016-12-15  Damon Chaplin  <damon gnome org>
+
        * src/goocanvas.c (goo_canvas_get_bounds): patch from Simon Feltman
        to add (out) annotations for introspection. #732197
 
diff --git a/src/goocanvas.c b/src/goocanvas.c
index 48846a2..e3232d2 100644
--- a/src/goocanvas.c
+++ b/src/goocanvas.c
@@ -2221,10 +2221,10 @@ set_item_pointer (GooCanvasItem **item,
 /**
  * goo_canvas_get_bounds:
  * @canvas: a #GooCanvas.
- * @left: (out): a pointer to a #gdouble to return the left edge, or %NULL.
- * @top: (out): a pointer to a #gdouble to return the top edge, or %NULL.
- * @right: (out): a pointer to a #gdouble to return the right edge, or %NULL.
- * @bottom: (out): a pointer to a #gdouble to return the bottom edge, or %NULL.
+ * @left: (out) (allow-none): a pointer to a #gdouble to return the left edge, or %NULL.
+ * @top: (out) (allow-none): a pointer to a #gdouble to return the top edge, or %NULL.
+ * @right: (out) (allow-none): a pointer to a #gdouble to return the right edge, or %NULL.
+ * @bottom: (out) (allow-none): a pointer to a #gdouble to return the bottom edge, or %NULL.
  *
  * Gets the bounds of the canvas, in canvas units.
  *
@@ -2871,7 +2871,7 @@ goo_canvas_draw (GtkWidget      *widget,
  * goo_canvas_render:
  * @canvas: a #GooCanvas.
  * @cr: a cairo context.
- * @bounds: the area to render, or %NULL to render the entire canvas.
+ * @bounds (allow-none): the area to render, or %NULL to render the entire canvas.
  * @scale: the scale to compare with each item's visibility
  * threshold to see if they should be rendered. This only affects items that
  * have their visibility set to %GOO_CANVAS_ITEM_VISIBLE_ABOVE_THRESHOLD.
diff --git a/src/goocanvastext.c b/src/goocanvastext.c
index f9efa4b..d0d3da4 100644
--- a/src/goocanvastext.c
+++ b/src/goocanvastext.c
@@ -835,8 +835,8 @@ goo_canvas_text_get_requested_area_for_width (GooCanvasItem *item,
 /**
  * goo_canvas_text_get_natural_extents:
  * @text: a #GooCanvasText.
- * @ink_rect: (out): the location to return the ink rect, or %NULL.
- * @logical_rect: (out): the location to return the logical rect, or %NULL.
+ * @ink_rect: (out) (allow-none): the location to return the ink rect, or %NULL.
+ * @logical_rect: (out) (allow-none): the location to return the logical rect, or %NULL.
  * 
  * Gets the natural extents of the text, in the text item's coordinate space.
  *