Add a --debug option to ply-image.

The new option is meant to make it easy to confirm placement of
images and to confirm the frame rate of animations.  It's primarily
meant to be used for debugging any scripts that display PNG assets,
although it could be useful in debugging ply-image as well.

TEST=run manually from shell prompt

Change-Id: I596aaeb6ab7082f1408a98e1f6fa3b48b2b8b58c
Commit-Ready: Richard Barnette <>
Tested-by: Richard Barnette <>
Reviewed-by: Luigi Semenzato <>
1 file changed