1 files changed, 3 insertions, 0 deletions
diff --git a/image.h b/image.h
index 4ae3c10..d36dab4 100644
--- a/image.h
+++ b/image.h
@@ -30,6 +30,7 @@ struct imv_image {
   int cur_frame;
   int next_frame;
   int num_frames;
+  int changed;
   double frame_time;
 };
 
@@ -43,4 +44,6 @@ void imv_image_load_next_frame(struct imv_image *img);
 int imv_image_is_animated(struct imv_image *img);
 void imv_image_play(struct imv_image *img, double time);
 
+int imv_image_has_changed(struct imv_image *img);
+
 #endif