tree e51bfe87ad6ba15aa2fe708ec7e968ea270f608f
parent caacc5ffb136e649638af857636ecf5e4f7d9e0e
author Lei Zhang <thestig@chromium.org> 1544808471 +0000
committer Chromium commit bot <commit-bot@chromium.org> 1544808471 +0000

Call GetGlyphWidth() fewer times in LoadCompositeFont().

If LoadCompositeFont() already knows the width for a given glyph index,
avoid calling CFX_Font::GetGlyphWidth() to calculate it again. Repeated
calls to GetGlyphWidth(), which calls FT_Load_Glyph(), can be very slow.

BUG=chromium:906338

Change-Id: Ifb3ff027f0953a34d1275fdc97a972dbe89ad473
Reviewed-on: https://pdfium-review.googlesource.com/c/47282
Reviewed-by: Nicolás Peña Moreno <npm@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>