Update LVGL to v9.1.0

lib/lvgl/docs/widgets/animimg.rst

@@ -0,0 +1,66 @@
+.. _lv_animimg:
+
+============================
+Animation Image (lv_animimg)
+============================
+
+Overview
+********
+
+The animation image is similar to the normal 'Image' object. The only
+difference is that instead of one source image, you set an array of
+multiple source images.
+
+You can specify a duration and repeat count.
+
+.. _lv_animimg_parts_and_styles:
+
+Parts and Styles
+****************
+
+-  :cpp:enumerator:`LV_PART_MAIN` A background rectangle that uses the typical
+   background style properties and the image itself using the image
+   style properties.
+
+.. _lv_animimg_usage:
+
+Usage
+*****
+
+Image sources
+-------------
+
+To set the image in a state, use the
+:cpp:expr:`lv_animimg_set_src(imagebutton, dsc[], num)`.
+
+.. _lv_animimg_events:
+
+Events
+******
+
+No special events are sent by image objects.
+
+See the events of the Base object too.
+
+Learn more about :ref:`events`.
+
+.. _lv_animimg_keys:
+
+Keys
+****
+
+No Keys are processed by the object type.
+
+Learn more about :ref:`indev_keys`.
+
+.. _lv_animimg_example:
+
+Example
+*******
+
+.. include:: ../examples/widgets/animimg/index.rst
+
+.. _lv_animimg_api:
+
+API
+***