gst-libs/gst/xoverlay/xoverlay.*: Adding the _expose method to tell an overlay to redraw the image because it has bee...

Original commit message from CVS:
2004-02-04  Julien MOUTTE  <julien@moutte.net>

* gst-libs/gst/xoverlay/xoverlay.c: (gst_x_overlay_expose):
* gst-libs/gst/xoverlay/xoverlay.h: Adding the _expose method to tell
an overlay to redraw the image because it has been exposed.
* sys/ximage/ximagesink.c: (gst_ximagesink_ximage_destroy),
(gst_ximagesink_ximage_put), (gst_ximagesink_expose),
(gst_ximagesink_xoverlay_init), (gst_ximagesink_init):
* sys/ximage/ximagesink.h: Implement expose method from XOverlay
interface
* sys/xvimage/xvimagesink.c: (gst_xvimagesink_xvimage_destroy),
(gst_xvimagesink_xvimage_put), (gst_xvimagesink_expose),
(gst_xvimagesink_xoverlay_init), (gst_xvimagesink_init):
* sys/xvimage/xvimagesink.h: Implement expose method from XOverlay
interface

1 files changed, 17 insertions, 0 deletions

diff --git a/gst-libs/gst/xoverlay/xoverlay.c b/gst-libs/gst/xoverlay/xoverlay.c
index 2efe2966..73004f68 100644
--- a/gst-libs/gst/xoverlay/xoverlay.c
+++ b/gst-libs/gst/xoverlay/xoverlay.c
@@ -183,3 +183,20 @@ gst_x_overlay_got_desired_size (GstXOverlay *overlay, guint width, guint height)
   g_signal_emit (G_OBJECT (overlay),
                  gst_x_overlay_signals[DESIRED_SIZE], 0, width, height);
 }
+
+/**
+ * gst_x_overlay_expose:
+ * @overlay: a #GstXOverlay to expose.
+ *
+ * Tell an overlay that it has been exposed. This will redraw the current frame
+ * in the drawable even if the pipeline is PAUSED.
+ */
+void
+gst_x_overlay_expose (GstXOverlay *overlay)
+{
+  GstXOverlayClass *klass = GST_X_OVERLAY_GET_CLASS (overlay);
+
+  if (klass->expose) {
+    klass->expose (overlay);
+  }
+}