[lottiecap] Moved over from buildbot repo.

Command line application to build a 5x5 filmstrip
from a Lottie file in Chrome headless and then export
that filmstrip in a 1000x1000 PNG.

Bug: skia:
Change-Id: I38decac363f2d592fddc28b3f4ca9450c5851ac6
Reviewed-on: https://skia-review.googlesource.com/115100
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/tools/lottiecap/README.md b/tools/lottiecap/README.md
new file mode 100644
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+Capture Lottie Filmstrip in the Browser
+=======================================
+
+Command line application to build a 5x5 filmstrip
+from a Lottie file in the browser and then export
+that filmstrip in a 1000x1000 PNG.
+
+First run
+
+    $ npm install
+
+Then run
+
+    $ node ./lottiecap.js --input some_lottie_file.js
+
+To get more help:
+
+    $ node ./lottiecap.js -h
+
+Requirements
+------------
+
+You need to have a recent version of 'node' installed, i.e.  version v8.9 or
+later. Get recent versions of Node from:
+
+    https://nodejs.org/en/download/
+
+It is doubtful that your workstation's distribution has a recent version of
+Node available.