tree 7b1e2f086c9bba46a57fe725d7dd13e8d1d134e1
parent e29681f112c8fd6dc3f4c6674e24293f58c6c086
author Lei Zhang <thestig@chromium.org> 1694825036 +0000
committer Pdfium LUCI CQ <pdfium-scoped@luci-project-accounts.iam.gserviceaccount.com> 1694825036 +0000

Use fxge::CalculatePitch8() in more places

Use CalculatePitch8() instead of manually doing it and potentially
risking integer overflows. As part of this change, use more unsigned
integers in flatemodule.cpp for count and size variables and properly
access the previous scanline without using negative indices.

Change-Id: Ia6e1f23e39f205c8e5cdeac3ca548887cd5f9ab5
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/111432
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>