tree 9b7edf4fa8b878136d1d9f9fd54372fe0e670d2f
parent 475565477e431cd2925a6192b348d142beb21b4d
author Tom Sepez <tsepez@chromium.org> 1533579443 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1533579443 +0000

Small optimization in CJBig2_Image::SubImage()

We can use the memcpy() path whenever byte aligned.
Split code into helper methods.
Add test for fast path specifically.

Change-Id: I52f6129b0e788eb2da60536cfa6fce12a0609375
Reviewed-on: https://pdfium-review.googlesource.com/39432
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>