add -version option to anim_dump,anim_diff and img2webp

This is to harmonize the -h/-version options on all our examples.

+ added GetAnimatedImageVersions() method to anim_util.*

Change-Id: I2304a1c29e310682e97f236d3867274a192a7a09
This commit is contained in:
Pascal Massimino
2018-04-03 14:50:58 +02:00
committed by James Zern
parent fc1b8e3a8b
commit 64a57d0587
7 changed files with 60 additions and 6 deletions

View File

@ -1,5 +1,5 @@
.\" Hey, EMACS: -*- nroff -*-
.TH IMG2WEBP 1 "February 7, 2018"
.TH IMG2WEBP 1 "April 3, 2018"
.SH NAME
img2webp \- create animated WebP file from a sequence of input images.
.SH SYNOPSIS
@ -53,6 +53,9 @@ Be more verbose.
.TP
.B \-h, \-help
A short usage summary.
.TP
.B \-version
Print the version numbers of the relevant libraries used.
.SH PER-FRAME OPTIONS
The per-frame options are applied for the images following as arguments in the