GESTimelineTextOverlay/TrackTextOverlay: add color setting

Color property of the text overlay can be set and get.

ges/ges-timeline-text-overlay.c

@@ -46,6 +46,7 @@ struct _GESTimelineTextOverlayPrivate
   gchar *font_desc;
   GESTextHAlign halign;
   GESTextVAlign valign;
+  guint32 color;
 };
 
 enum
@@ -55,6 +56,7 @@ enum
   PROP_FONT_DESC,
   PROP_HALIGNMENT,
   PROP_VALIGNMENT,
+  PROP_COLOR,
 };
 
 static GESTrackObject
@@ -81,6 +83,9 @@ ges_timeline_text_overlay_get_property (GObject * object, guint property_id,
     case PROP_VALIGNMENT:
       g_value_set_enum (value, priv->valign);
       break;
+    case PROP_COLOR:
+      g_value_set_uint (value, priv->color);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
   }
@@ -105,6 +110,9 @@ ges_timeline_text_overlay_set_property (GObject * object, guint property_id,
     case PROP_VALIGNMENT:
       ges_timeline_text_overlay_set_valign (tfs, g_value_get_enum (value));
       break;
+    case PROP_COLOR:
+      ges_timeline_text_overlay_set_color (tfs, g_value_get_uint (value));
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
   }
@@ -183,6 +191,16 @@ ges_timeline_text_overlay_class_init (GESTimelineTextOverlayClass * klass)
   timobj_class->create_track_object =
       ges_timeline_text_overlay_create_track_object;
   timobj_class->need_fill_track = FALSE;
+
+  /**
+   * GESTimelineTextOverlay:color
+   *
+   * The color of the text
+   */
+
+  g_object_class_install_property (object_class, PROP_COLOR,
+      g_param_spec_uint ("color", "Color", "The color of the text",
+          0, G_MAXUINT32, G_MAXUINT32, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
 }
 
 static void
@@ -197,6 +215,7 @@ ges_timeline_text_overlay_init (GESTimelineTextOverlay * self)
   self->priv->font_desc = NULL;
   self->priv->halign = DEFAULT_PROP_HALIGNMENT;
   self->priv->valign = DEFAULT_PROP_VALIGNMENT;
+  self->priv->color = G_MAXUINT32;
 }
 
 /**
@@ -337,6 +356,38 @@ ges_timeline_text_overlay_set_valign (GESTimelineTextOverlay * self,
 
 }
 
+/**
+ * ges_timeline_text_overlay_set_color:
+ * @self: the #GESTimelineTextOverlay* to set
+ * @color: The color @self is being set to
+ *
+ * Sets the color of the text.
+ *
+ */
+void
+ges_timeline_text_overlay_set_color (GESTimelineTextOverlay * self,
+    guint32 color)
+{
+  GList *tmp, *trackobjects;
+  GESTimelineObject *object = (GESTimelineObject *) self;
+
+  GST_DEBUG ("self:%p, color:%d", self, color);
+
+  self->priv->color = color;
+
+  trackobjects = ges_timeline_object_get_track_objects (object);
+  for (tmp = trackobjects; tmp; tmp = tmp->next) {
+    GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
+
+    if (ges_track_object_get_track (trackobject)->type == GES_TRACK_TYPE_VIDEO)
+      ges_track_text_overlay_set_color (GES_TRACK_TEXT_OVERLAY
+          (trackobject), self->priv->color);
+
+    g_object_unref (GES_TRACK_OBJECT (tmp->data));
+  }
+  g_list_free (trackobjects);
+}
+
 /**
  * ges_timeline_text_overlay_get_text:
  * @self: a #GESTimelineTextOverlay
@@ -394,6 +445,22 @@ ges_timeline_text_overlay_get_valignment (GESTimelineTextOverlay * self)
   return self->priv->valign;
 }
 
+/**
+ * ges_timeline_text_overlay_get_color:
+ * @self: a #GESTimelineTextOverlay
+ *
+ * Get the color used by @source.
+ *
+ * Returns: The color used by @source.
+ */
+
+const guint32
+ges_timeline_text_overlay_get_color (GESTimelineTextOverlay * self)
+{
+  return self->priv->color;
+}
+
+
 static GESTrackObject *
 ges_timeline_text_overlay_create_track_object (GESTimelineObject * obj,
     GESTrack * track)
@@ -414,6 +481,7 @@ ges_timeline_text_overlay_create_track_object (GESTimelineObject * obj,
         priv->halign);
     ges_track_text_overlay_set_valignment ((GESTrackTextOverlay *) res,
         priv->valign);
+    ges_track_text_overlay_set_color ((GESTrackTextOverlay *) res, priv->color);
   }
 
   return res;

ges/ges-timeline-text-overlay.h

@@ -93,6 +93,10 @@ void
 ges_timeline_text_overlay_set_halign (GESTimelineTextOverlay * self,
     GESTextHAlign halign);
 
+void
+ges_timeline_text_overlay_set_color (GESTimelineTextOverlay * self,
+    guint32 color);
+
 const gchar* ges_timeline_text_overlay_get_text (GESTimelineTextOverlay * self);
 
 const gchar* 
@@ -101,6 +105,9 @@ ges_timeline_text_overlay_get_font_desc (GESTimelineTextOverlay * self);
 GESTextVAlign
 ges_timeline_text_overlay_get_valignment (GESTimelineTextOverlay * self);
 
+const guint32
+ges_timeline_text_overlay_get_color (GESTimelineTextOverlay * self);
+
 GESTextHAlign
 ges_timeline_text_overlay_get_halignment (GESTimelineTextOverlay * self);
 

ges/ges-track-text-overlay.c

@@ -39,6 +39,7 @@ struct _GESTrackTextOverlayPrivate
   gchar *font_desc;
   GESTextHAlign halign;
   GESTextVAlign valign;
+  guint32 color;
   GstElement *text_el;
 };
 
@@ -87,6 +88,7 @@ ges_track_text_overlay_init (GESTrackTextOverlay * self)
   self->priv->text_el = NULL;
   self->priv->halign = DEFAULT_HALIGNMENT;
   self->priv->valign = DEFAULT_VALIGNMENT;
+  self->priv->color = G_MAXUINT32;
 }
 
 static void
@@ -156,6 +158,7 @@ ges_track_text_overlay_create_element (GESTrackObject * object)
 
   g_object_set (text, "halignment", (gint) self->priv->halign, "valignment",
       (gint) self->priv->valign, NULL);
+  g_object_set (text, "color", (guint32) self->priv->color, NULL);
 
   ret = gst_bin_new ("overlay-bin");
   gst_bin_add_many (GST_BIN (ret), text, iconv, oconv, NULL);
@@ -187,6 +190,8 @@ ges_track_text_overlay_create_element (GESTrackObject * object)
 void
 ges_track_text_overlay_set_text (GESTrackTextOverlay * self, const gchar * text)
 {
+  GST_DEBUG ("self:%p, text:%s", self, text);
+
   if (self->priv->text)
     g_free (self->priv->text);
 
@@ -208,6 +213,8 @@ void
 ges_track_text_overlay_set_font_desc (GESTrackTextOverlay * self,
     const gchar * font_desc)
 {
+  GST_DEBUG ("self:%p, font_desc:%s", self, font_desc);
+
   if (self->priv->font_desc)
     g_free (self->priv->font_desc);
 
@@ -230,8 +237,9 @@ void
 ges_track_text_overlay_set_valignment (GESTrackTextOverlay * self,
     GESTextVAlign valign)
 {
+  GST_DEBUG ("self:%p, halign:%d", self, valign);
+
   self->priv->valign = valign;
-  GST_LOG ("set valignment to: %d", valign);
   if (self->priv->text_el)
     g_object_set (self->priv->text_el, "valignment", valign, NULL);
 }
@@ -249,12 +257,31 @@ void
 ges_track_text_overlay_set_halignment (GESTrackTextOverlay * self,
     GESTextHAlign halign)
 {
+  GST_DEBUG ("self:%p, halign:%d", self, halign);
+
   self->priv->halign = halign;
-  GST_LOG ("set halignment to: %d", halign);
   if (self->priv->text_el)
     g_object_set (self->priv->text_el, "halignment", halign, NULL);
 }
 
+/**
+ * ges_track_text_overlay_set_color:
+ * @self: the #GESTrackTextOverlay* to set
+ * @color: The color @self is being set to
+ *
+ * Sets the color of the text.
+ *
+ */
+void
+ges_track_text_overlay_set_color (GESTrackTextOverlay * self, guint32 color)
+{
+  GST_DEBUG ("self:%p, color:%d", self, color);
+
+  self->priv->color = color;
+  if (self->priv->text_el)
+    g_object_set (self->priv->text_el, "color", color, NULL);
+}
+
 /**
  * ges_track_text_overlay_get_text:
  * @self: a GESTrackTextOverlay
@@ -311,6 +338,21 @@ ges_track_text_overlay_get_valignment (GESTrackTextOverlay * self)
   return self->priv->valign;
 }
 
+/**
+ * ges_track_text_overlay_get_color:
+ * @self: a GESTrackTextOverlay
+ *
+ * Get the color used by @source.
+ *
+ * Returns: The color used by @source.
+ */
+
+const guint32
+ges_track_text_overlay_get_color (GESTrackTextOverlay * self)
+{
+  return self->priv->color;
+}
+
 /**
  * ges_track_text_overlay_new:
  *

ges/ges-track-text-overlay.h

@@ -81,11 +81,14 @@ void ges_track_text_overlay_set_halignment(GESTrackTextOverlay *self,
 
 void ges_track_text_overlay_set_valignment(GESTrackTextOverlay *self,
                                            GESTextVAlign valign);
+void ges_track_text_overlay_set_color(GESTrackTextOverlay *self,
+                                      guint32 color);
 
 const gchar *ges_track_text_overlay_get_text(GESTrackTextOverlay *self);
 const char *ges_track_text_overlay_get_font_desc(GESTrackTextOverlay *self);
 GESTextHAlign ges_track_text_overlay_get_halignment(GESTrackTextOverlay *self);
 GESTextVAlign ges_track_text_overlay_get_valignment(GESTrackTextOverlay *self);
+const guint32 ges_track_text_overlay_get_color (GESTrackTextOverlay *self);
 
 GESTrackTextOverlay* ges_track_text_overlay_new (void);
 

tests/check/ges/overlays.c

@@ -112,6 +112,7 @@ GST_START_TEST (test_overlay_in_layer)
   GESTimelineTextOverlay *source;
   gchar *text;
   gint halign, valign;
+  guint32 color;
 
   ges_init ();
 
@@ -164,6 +165,14 @@ GST_START_TEST (test_overlay_in_layer)
   assert_equals_int (halign, GES_TEXT_HALIGN_LEFT);
   assert_equals_int (valign, GES_TEXT_VALIGN_TOP);
 
+  /* test color */
+  g_object_set (source, "color", (gint) 2147483647, NULL);
+  g_object_get (source, "color", &color, NULL);
+  assert_equals_int (color, 2147483647);
+
+  color = ges_track_text_overlay_get_color (GES_TRACK_TEXT_OVERLAY (trobj));
+  assert_equals_int (color, 2147483647);
+
   GST_DEBUG ("removing the source");
 
   ges_timeline_layer_remove_object (layer, (GESTimelineObject *) source);