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Florin Malita 1df655a427 Reland "[skottie] Fix text-on-path tracking" 
This reverts commit 5fe4b6faeb.

Reason for revert: relanding with guards

Original change's description:
> Revert "[skottie] Fix text-on-path tracking"
>
> This reverts commit ca973cbea0.
>
> Reason for revert: g3 image diffs
>
> Original change's description:
> > [skottie] Fix text-on-path tracking
> >
> > Tracking and line spacing computations require knowledge of cumulative
> > values for the whole line => we need two passes:
> >
> >   1) compute cumulative values
> >   2) compute per-fragment position adjustments
> >
> > Currently, #1 is implemented in the main onSync() loop (as we iterate
> > to compute fragment props) and #2 is post-applied via adjustLineProps(),
> > after the main loop.
> >
> > The problem is adjustLineProps() is executed after positioning glyphs on
> > path, and tracking is not taken into account for path positioning
> > (instead it moves glyphs horizontally, unrelated to the path).
> >
> > To fix this, we need tracking adjustments to be applied before
> > positioning on path (which is performed in fragmentMatrix()).
> >
> >   - move the cumulative tracking computation to a dedicate lambda
> >     (compute_linewide_props)
> >   - move the fragment position adjustments to the main onSync() loop
> >     (that way they participate in path positioning)
> >   - to avoid executing the first pass unnecessarily, add flags to detect
> >     the presence of tracking and line spacing animators.
> >
> >
> > Change-Id: Ieef2afb53ffe14177eba0ef41dc5c71149cab070
> > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/518696
> > Reviewed-by: Ben Wagner <bungeman@google.com>
> > Commit-Queue: Florin Malita <fmalita@chromium.org>
> > Commit-Queue: Florin Malita <fmalita@google.com>
>
> Change-Id: Ia99fbb3d7d98eb6a59ff00d796bcc05bc6db63a3
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/519597
> Auto-Submit: Florin Malita <fmalita@google.com>
> Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>

Change-Id: Ia39602178099d7fa016997f02e1bdf705b16bb2e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/519598
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Florin Malita <fmalita@google.com>
2022-03-11 13:09:17 +00:00
..
android_fonts
diff_canvas_traces
empty_images
fonts Support font palette overrides through SkFontArguments 2022-02-17 13:19:53 +00:00
icc_profiles
images Reland "bench: Add PhoneHub assets to skottie-vs-png decode bench" 2021-09-23 17:40:09 +00:00
invalid_images Move skbug5883.gif to a better test 2021-03-17 19:44:10 +00:00
nima
particles Fix particle bug where uniforms are allocated too late 2021-02-03 22:50:28 +00:00
skottie Reland "[skottie] Fix text-on-path tracking" 2022-03-11 13:09:17 +00:00
sksl [sksl][test] Add more folding tests for side-effecting expressions 2022-03-10 18:06:12 +00:00
text
Cowboy.svg
crbug769134.fil
nov-talk-sequence.txt
pdf_command_stream.txt
README

README 

The resources directory includes some third party content used by Skia.
Licenses for that code are included in this file.

Openclipart

Openclipart uses the Creative Commons Zero 1.0 Public Domain License every time
an artist uploads a piece of clipart to Openclipart to make it clear the artist
is releasing the creative work for anyone to use for any reason, even
commercially. This act of "sharing" is the foundation Openclipart is based upon.
More details on the license can be found at
https://creativecommons.org/publicdomain/zero/1.0/.

LGPL or compatible (as implied by inclusion in KDE SVN)
http://websvn.kde.org/trunk/tests/ksvgtests/custom/cowboy.svg