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[Snippets] Handle post table overflow in otf2ttf.py

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Fixes https://github.com/fonttools/fonttools/issues/1329
This commit is contained in:
Khaled Hosny 2018-10-08 21:56:11 +02:00
parent c9f79af8ce
commit 5ad27dfb40
1 changed files with 8 additions and 0 deletions
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Snippets/otf2ttf.py
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@ -43,6 +43,7 @@ def otf_to_ttf(ttFont, post_format=POST_FORMAT, **kwargs):
glyf.glyphOrder = glyphOrder glyf.glyphOrder = glyphOrder
glyf.glyphs = glyphs_to_quadratic(ttFont.getGlyphSet(), **kwargs) glyf.glyphs = glyphs_to_quadratic(ttFont.getGlyphSet(), **kwargs)
del ttFont["CFF "] del ttFont["CFF "]
glyf.compile(ttFont)
ttFont["maxp"] = maxp = newTable("maxp") ttFont["maxp"] = maxp = newTable("maxp")
maxp.tableVersion = 0x00010000 maxp.tableVersion = 0x00010000
@ -56,12 +57,19 @@ def otf_to_ttf(ttFont, post_format=POST_FORMAT, **kwargs):
maxp.maxComponentElements = max( maxp.maxComponentElements = max(
len(g.components if hasattr(g, 'components') else []) len(g.components if hasattr(g, 'components') else [])
for g in glyf.glyphs.values()) for g in glyf.glyphs.values())
maxp.compile(ttFont)
post = ttFont["post"] post = ttFont["post"]
post.formatType = post_format post.formatType = post_format
post.extraNames = [] post.extraNames = []
post.mapping = {} post.mapping = {}
post.glyphOrder = glyphOrder post.glyphOrder = glyphOrder
try:
post.compile(ttFont)
except OverflowError:
post.formatType = 3
print("Glyph names do not fit in 'post' table format 2, using format 3 instead.")
ttFont.sfntVersion = "\000\001\000\000" ttFont.sfntVersion = "\000\001\000\000"