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Add kerning support for embedded fonts

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Devon Govett 2014-07-06 00:15:59 -07:00
parent 163562c50a
commit 67b0d8da19
1 changed files with 3 additions and 1 deletions
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4
lib/font/embedded.coffee
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@ -20,6 +20,7 @@ class EmbeddedFont extends PDFFont
encode: (text) ->
features = ['ccmp', 'liga', 'dlig', 'kern']
glyphs = @font.glyphsForString text, features
advances = @font.advancesForGlyphs glyphs, features
res = []
for glyph, i in glyphs
@ -28,8 +29,9 @@ class EmbeddedFont extends PDFFont
@widths[gid] ?= @font.widthOfGlyph glyph.id
@unicode[gid] ?= glyph.codePoints
advances[i] -= @widths[gid]
return res.join ''
return [res, advances]
widthOfString: (string, size) ->
features = ['ccmp', 'liga', 'dlig', 'kern']