tree c5caa4d1b08b455392d3f33cadb1d844d221a128
parent 713943f9f2ce2fd775622905cc6943877714ab2b
author Lei Zhang <thestig@chromium.org> 1671220796 +0000
committer Pdfium LUCI CQ <pdfium-scoped@luci-project-accounts.iam.gserviceaccount.com> 1671220796 +0000

Get rid of GetIsAlphaFromFormat().

Since there is only 1 FXDIB_Format that has an alpha channel, just refer
to it directly. Then it's slightly easier to spot some pointless checks.

Change-Id: If883cc4fa8592d533f2ca3ca52bdfb0f294b167c
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/102730
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>