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Disable "palt" OpenType feature

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Proper Japanese layout requires sophisticated rules for spacing
punctuation, not just turning on the "palt" (proportional alternate)
feature. Until we can support the whole set, roll back palt.

Change-Id: If2359c529b70b1dd45dddc00e5f4aa1c91f8b0e9
This commit is contained in:
Raph Levien 2014-06-26 14:00:43 -07:00
parent 69f3585cf6
commit 05d59ee462
1 changed files with 6 additions and 0 deletions
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6
engine/src/flutter/libs/minikin/Layout.cpp
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@ -621,7 +621,13 @@ void Layout::doLayoutWord(const uint16_t* buf, size_t start, size_t count, size_
static void addFeatures(vector<hb_feature_t>* features) {
// hardcoded features, to be repaced with more flexible configuration
static hb_feature_t palt = { HB_TAG('p', 'a', 'l', 't'), 1, 0, ~0u };
// Don't enable "palt" for now, pending implementation of more of the
// W3C Japanese layout recommendations. See:
// http://www.w3.org/TR/2012/NOTE-jlreq-20120403/
#if 0
features->push_back(palt);
#endif
}
void Layout::doLayoutRun(const uint16_t* buf, size_t start, size_t count, size_t bufSize,