[Git][freetype/freetype][master] [doc] Type1 GX (sfnt-wrapped Type1) is not supported.

[suzuki toshiya (@mpsuzuki)]

suzuki toshiya pushed to branch master at FreeType / FreeType

Commits:

• 562f3481
  by suzuki toshiya at 2023-05-20T12:52:25+00:00

  [doc] Type1 GX (sfnt-wrapped Type1) is not supported.
  
  * docs/formats.txt: Clarify the reference of Type1 GX,
  and state that this format is not supported.  This
  is because the content `TYP1' table is not exactly same
  with the Type1 font format specification; no eexec
  encryption is used.  For detail and concrete examples,
  see the analysis on:
  
  https://gitlab.freedesktop.org/freetype/freetype/-/issues/1231
  

1 changed file:

• docs/formats.txt

Changes:

docs/formats.txt

---

...	...	@@ -77,8 +77,8 @@ which isn't supported yet please send a mail too.
77	77	--- BDF --- --- bdf 5005.BDF_Spec.pdf, X11
78	78
79	79
80		- SFNT PS TYPE_1 --- type1 Type 1 GX Font Format
81		- (for the Mac) [3]
	80	+ SFNT PS TYPE_1 --- type1 Type 1 GX Font Format [7]
	81	+ (for the Mac; not supported)
82	82	SFNT PS TYPE_1 CID cid 5180.sfnt.pdf (for the Mac) [3]
83	83	SFNT PS CFF --- cff OT spec, 5176.CFF.pdf
84	84	(`OTTO' format)
...	...	@@ -198,6 +198,12 @@ which isn't supported yet please send a mail too.
198	198	[6] Supported font formats are TrueType and OpenType fonts as
199	199	defined in the OpenType specification 1.6 and newer.
200	200
	201	+[7] `The Type 1 GX Font Format' (dated 1995-09-27) was distributed in
	202	+ Apple Developer CD-ROM in those days. The content of `TYP1' table
	203	+ is a PostScript Type 1 font without the eexec encryption. Current
	204	+ versions of FreeType don't not support this format, but FontForge
	205	+ can load it.
	206	+
201	207	------------------------------------------------------------------------
202	208
203	209	Copyright (C) 2004-2023 by

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