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[skottie] Handle empty lines in Shaper

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SkShaper doesn't seem to like empty inputs.

TBR=
Change-Id: Iace3eef389051dcce229ed4ac6897344770d19c3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/224190
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Florin Malita <fmalita@chromium.org>
Auto-Submit: Florin Malita <fmalita@chromium.org>
This commit is contained in:
Florin Malita 2019-06-27 12:15:37 -04:00 committed by Skia Commit-Bot
parent c29e6dc358
commit c1f5d8d0f4
1 changed files with 8 additions and 0 deletions
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8
modules/skottie/src/text/SkottieShaper.cpp
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@ -159,6 +159,14 @@ public:
return;
}
SkASSERT(start <= end);
if (start == end) {
// SkShaper doesn't care for empty lines.
this->beginLine();
this->commitLine();
return;
}
// When no text box is present, text is laid out on a single infinite line
// (modulo explicit line breaks).
const auto shape_width = fBox.isEmpty() ? SK_ScalarMax