expo: Make calculation of an object bounding box generic
We want to support this for any object, not just menus. Move the code
around to allow this.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/boot/scene_internal.h b/boot/scene_internal.h
index 42efcee..3265088 100644
--- a/boot/scene_internal.h
+++ b/boot/scene_internal.h
@@ -9,6 +9,8 @@
#ifndef __SCENE_INTERNAL_H
#define __SCENE_INTERNAL_H
+struct vidconsole_bbox;
+
typedef int (*expo_scene_obj_iterator)(struct scene_obj *obj, void *priv);
/**
@@ -246,4 +248,41 @@
struct scene_menitem *scene_menuitem_find_seq(const struct scene_obj_menu *menu,
uint seq);
+/**
+ * scene_bbox_union() - update bouding box with the demensions of an object
+ *
+ * Updates @bbox so that it encompasses the bounding box of object @id
+ *
+ * @snd: Scene containing object
+ * @id: Object id
+ * @inset: Amount of inset to use for width
+ * @bbox: Bounding box to update
+ * Return: 0 if OK, -ve on error
+ */
+int scene_bbox_union(struct scene *scn, uint id, int inset,
+ struct vidconsole_bbox *bbox);
+
+/**
+ * scene_menu_calc_bbox() - Calculate bounding boxes for the menu
+ *
+ * @menu: Menu to process
+ * @bbox: Returns bounding box of menu including prompts
+ * @label_bbox: Returns bounding box of labels
+ * Return: 0 if OK, -ve on error
+ */
+void scene_menu_calc_bbox(struct scene_obj_menu *menu,
+ struct vidconsole_bbox *bbox,
+ struct vidconsole_bbox *label_bbox);
+
+/**
+ * scene_obj_calc_bbox() - Calculate bounding boxes for an object
+ *
+ * @obj: Object to process
+ * @bbox: Returns bounding box of object including prompts
+ * @label_bbox: Returns bounding box of labels (active area)
+ * Return: 0 if OK, -ve on error
+ */
+int scene_obj_calc_bbox(struct scene_obj *obj, struct vidconsole_bbox *bbox,
+ struct vidconsole_bbox *label_bbox);
+
#endif /* __SCENE_INTERNAL_H */