tree 365dc235258eed161ac26a87b0aba7dcd54b73f0
parent 37d83b3eb4add326e5edf0825571812502868aa9
author Tom Sepez <tsepez@chromium.org> 1624651195 +0000
committer Pdfium LUCI CQ <pdfium-scoped@luci-project-accounts.iam.gserviceaccount.com> 1624651195 +0000

Add alternate output format to pdfium_diff utility

This format shows how badly mangled the image is vs. the expected,
with a uniform grey indicating no difference at a given position.

-- improve the wording of the help message to suggest why an output
   file might not always be produced.

Change-Id: Ib7ea1327ce16f2686a58116e67b9137e9f49b68b
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/82530
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>