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quarantee glyphinfos has enough capacity to hold cluster

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This commit is contained in:
artemp 2017-02-17 17:16:36 +01:00
parent fbdff42d47
commit 86e5f9305b
1 changed files with 15 additions and 14 deletions
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5
include/mapnik/text/harfbuzz_shaper.hpp
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@ -148,8 +148,10 @@ static void shape_text(text_line & line,
{
in_cluster = true;
}
if (glyphinfos.size() > cluster)
if (glyphinfos.size() <= cluster)
{
glyphinfos.resize(cluster + 1);
}
auto & c = glyphinfos[cluster];
if (c.empty())
{
@ -164,7 +166,6 @@ static void shape_text(text_line & line,
c.push_back({ face, glyphs[i], positions[i] });
}
}
}
bool all_set = true;
for (auto c_id : clusters)
{