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Per 5177.Type2.pdf 3.1 "Type 2 Charstring Organization",
a glyph's charstring looks like:
w? {hs* vs* cm* hm* mt subpath}? {mt subpath}* endchar
The `w?` is the width of the glyph, but it's optional. So all
possible commands after it (hstem* vstem* cntrmask hintmask
moveto endchar) check if there's an extra number at the start
and interpret it as a width, for the very first command we read.
This was done by having an `is_first_command` local bool that
got set to false after the first command. That didn't work with
subrs: If the first command was a call to a subr that just pushed
a bunch of numbers, then the second command after it is the actual
first command.
Instead, move that bool into the state. Set it to false the
first time we try to read a width, since that means we just read
a command that could've been prefixed by a width.
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| .. | ||
| CFF.cpp | ||
| CFF.h | ||
| PDFFont.cpp | ||
| PDFFont.h | ||
| PS1FontProgram.cpp | ||
| PS1FontProgram.h | ||
| SimpleFont.cpp | ||
| SimpleFont.h | ||
| TrueTypeFont.cpp | ||
| TrueTypeFont.h | ||
| Type0Font.cpp | ||
| Type0Font.h | ||
| Type1Font.cpp | ||
| Type1Font.h | ||
| Type1FontProgram.cpp | ||
| Type1FontProgram.h | ||