TTX/FontTools

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[FontTools] small patch to ttlib

From: klchxbec <klchxbec@m-...> - 2003-08-01 10:56

Hi,

While trying to write some GSUB context substitution rules with TTX,
I came across some bugs in ttlib. Here is a patch for that. My
examples are in 

http://www.arbornet.org/~klchxbec/example.ttx

Please include this in your next release and thanks for the nice
tool.

--- fonttools/Lib/fontTools/ttLib/tables/otData.py.orig	Fri Aug  1 14:04:50 2003
+++ fonttools/Lib/fontTools/ttLib/tables/otData.py	Fri Aug  1 15:42:55 2003
@@ -313,7 +313,7 @@
 		('uint16', 'InputGlyphCount', None, None, 'Total number of glyphs in the input sequence (includes the first glyph)'),
 		('GlyphID', 'Input', 'InputGlyphCount', -1, 'Array of input GlyphIDs (start with second glyph)'),
 		('uint16', 'LookaheadGlyphCount', None, None, 'Total number of glyphs in the look ahead sequence (number of glyphs to be matched after the input sequence)'),
-		('GlyphID', 'LookAhead', 'LookAheadGlyphCount', 0, "Array of lookahead GlyphID's (to be matched after the input sequence)"),
+		('GlyphID', 'LookAhead', 'LookaheadGlyphCount', 0, "Array of lookahead GlyphID's (to be matched after the input sequence)"),
 		('uint16', 'PosCount', None, None, 'Number of PosLookupRecords'),
 		('struct', 'PosLookupRecord', 'PosCount', 0, 'Array of PosLookupRecords (in design order)'),
 	]),
@@ -339,7 +339,7 @@
 		('uint16', 'InputGlyphCount', None, None, 'Total number of classes in the input sequence (includes the first class)'),
 		('uint16', 'Input', 'InputGlyphCount', -1, 'Array of input classes(start with second class; to be matched with the input glyph sequence)'),
 		('uint16', 'LookaheadGlyphCount', None, None, 'Total number of classes in the look ahead sequence (number of classes to be matched after the input sequence)'),
-		('uint16', 'LookAhead', 'LookAheadGlyphCount', 0, 'Array of lookahead classes(to be matched after the input sequence)'),
+		('uint16', 'LookAhead', 'LookaheadGlyphCount', 0, 'Array of lookahead classes(to be matched after the input sequence)'),
 		('uint16', 'PosCount', None, None, 'Number of PosLookupRecords'),
 		('struct', 'PosLookupRecord', 'ChainPosCount', 0, 'Array of PosLookupRecords (in design order)'),
 	]),
@@ -499,8 +499,8 @@
 		('uint16', 'SubstFormat', None, None, 'Format identifier-format = 2'),
 		('Offset', 'Coverage', None, None, 'Offset to Coverage table-from beginning of Substitution table'),
 		('Offset', 'ClassDef', None, None, 'Offset to glyph ClassDef table-from beginning of Substitution table'),
-		('uint16', 'SubClassSetCnt', None, None, 'Number of SubClassSet tables'),
-		('Offset', 'SubClassSet', 'SubClassSetCnt', 0, 'Array of offsets to SubClassSet tables-from beginning of Substitution table-ordered by class-may be NULL'),
+		('uint16', 'SubClassSetCount', None, None, 'Number of SubClassSet tables'),
+		('Offset', 'SubClassSet', 'SubClassSetCount', 0, 'Array of offsets to SubClassSet tables-from beginning of Substitution table-ordered by class-may be NULL'),
 	]),
 
 	('SubClassSet', [
@@ -541,7 +541,7 @@
 		('uint16', 'InputGlyphCount', None, None, 'Total number of glyphs in the input sequence (includes the first glyph)'),
 		('GlyphID', 'Input', 'InputGlyphCount', -1, 'Array of input GlyphIDs (start with second glyph)'),
 		('uint16', 'LookaheadGlyphCount', None, None, 'Total number of glyphs in the look ahead sequence (number of glyphs to be matched after the input sequence)'),
-		('GlyphID', 'Lookahead', 'LookAheadGlyphCount', 0, "Array of lookahead GlyphID's (to be matched after the input sequence)"),
+		('GlyphID', 'Lookahead', 'LookaheadGlyphCount', 0, "Array of lookahead GlyphID's (to be matched after the input sequence)"),
 		('uint16', 'SubstCount', None, None, 'Number of SubstLookupRecords'),
 		('struct', 'SubstLookupRecord', 'SubstCount', 0, 'Array of SubstLookupRecords (in design order)'),
 	]),
@@ -557,7 +557,7 @@
 	]),
 
 	('ChainSubClassSet', [
-		('uint16', 'ChainSubClassRuleCnt', None, None, 'Number of ChainSubClassRule tables'),
+		('uint16', 'ChainSubClassRuleCount', None, None, 'Number of ChainSubClassRule tables'),
 		('Offset', 'ChainSubClassRule', 'ChainSubClassRuleCount', 0, 'Array of offsets to ChainSubClassRule tables-from beginning of ChainSubClassSet-ordered by preference'),
 	]),
 
@@ -567,7 +567,7 @@
 		('uint16', 'InputGlyphCount', None, None, 'Total number of classes in the input sequence (includes the first class)'),
 		('uint16', 'Input', 'InputGlyphCount', -1, 'Array of input classes(start with second class; to be matched with the input glyph sequence)'),
 		('uint16', 'LookaheadGlyphCount', None, None, 'Total number of classes in the look ahead sequence (number of classes to be matched after the input sequence)'),
-		('uint16', 'LookAhead', 'LookAheadGlyphCount', 0, 'Array of lookahead classes(to be matched after the input sequence)'),
+		('uint16', 'LookAhead', 'LookaheadGlyphCount', 0, 'Array of lookahead classes(to be matched after the input sequence)'),
 		('uint16', 'SubstCount', None, None, 'Number of SubstLookupRecords'),
 		('struct', 'SubstLookupRecord', 'SubstCount', 0, 'Array of SubstLookupRecords (in design order)'),
 	]),

Re: [FontTools] small patch to ttlib

From: Just van Rossum <just@le...> - 2003-08-22 20:27

klchxbec wrote:

> While trying to write some GSUB context substitution rules with TTX,
> I came across some bugs in ttlib. Here is a patch for that. My
> examples are in 
> 
> http://www.arbornet.org/~klchxbec/example.ttx
> 
> Please include this in your next release and thanks for the nice
> tool.

Hi, sorry for the delayed response. Thank you very much for your patch.
I've checked something in that's very similar to your patch. Please try
again with a CVS snapshot:
http://fonttools.sourceforge.net/cvs-snapshots/gzip/fonttools-current-
snapshot.tgz, but __not__ right away, since there's quite a delay until
it gets updated... Sunday should be safe I guess.

Thanks!

Just

Re(2): [FontTools] small patch to ttlib

From: Yannis Haralambous <yannis.haralambous@en...> - 2003-08-28 17:08

Hi,

I have tried to install TTX on MacOS X with XDarwin. the installation
seems to have gotten fine, but when I launch TTX on a truetype font, I get:

'import macfsn' failed; use -v for traceback
Traceback (most recent call last):
  File "/usr/bin/ttx", line 12, in ?
    ttx.main(sys.argv[1:])
  File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
line 248, in main
    jobs, options = parseOptions(args)
  File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
line 211, in parseOptions
    tp = guessFileType(input)
  File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
line 181, in guessFileType
    cr, tp = macfs.FSSpec(fileName).GetCreatorType()
MacOS.Error: (-43, 'Mac OS error code -43')

Any idea what I am doing wrong???

Thanks in advance

Yannis

+--------------------------------------------------------------------+
| Yannis Haralambous, Ph.D.      yannis.haralambous@... |
| Professor                            http://omega.enstb.org/yannis |
|                                          Tel. +33 (0)2.29.00.14.27 |
|                                          Fax  +33 (0)2.29.00.12.82 |
| Computer Science Department                                        |
| Ecole Nationale Superieure des Telecommunications de Bretagne      |
| Technopole de Brest Iroise, CS 83818, 29238 Brest CEDEX 3, France  |
+--------------------------------------------------------------------+
                         ...pour distinguer l'exterieur d'un aquarium, 
                                        mieux vaut n'etre pas poisson

                        ...the ball I threw while playing in the park
                                       has not yet reached the ground

Re(2): [FontTools] small patch to ttlib

From: Just van Rossum <just@le...> - 2003-08-28 17:12

Yannis Haralambous wrote:

> I have tried to install TTX on MacOS X with XDarwin. the installation
> seems to have gotten fine, but when I launch TTX on a truetype font, I
get:
> 
> 'import macfsn' failed; use -v for traceback
> Traceback (most recent call last):
>   File "/usr/bin/ttx", line 12, in ?
>     ttx.main(sys.argv[1:])
>   File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
> line 248, in main
>     jobs, options = parseOptions(args)
>   File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
> line 211, in parseOptions
>     tp = guessFileType(input)
>   File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
> line 181, in guessFileType
>     cr, tp = macfs.FSSpec(fileName).GetCreatorType()
> MacOS.Error: (-43, 'Mac OS error code -43')
> 
> Any idea what I am doing wrong???

I take it you took the 2.0b1 release tarball? It's bug that has been
fixed fairly recently (it's specific to the Python 2.2 that ships with
Jaguar, it comes with some broken Mac modules). It's better to grab the
latest CVS snapshot from

http://fonttools.sourceforge.net/cvs-snapshots/gzip/fonttools-current-
snapshot.tgz

It contains a workaround for this problem.

Hope this helps,

Just

Re(3): [FontTools] small patch to ttlib

From: Yannis Haralambous <yannis.haralambous@en...> - 2003-08-28 17:31

Thanks for the clue. When I did this, and installed a brand new Numeric
version 23, I got the following problem (missing Res module):

Traceback (most recent call last):
  File "/usr/bin/ttx", line 12, in ?
    ttx.main(sys.argv[1:])
  File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
line 261, in main
    process(jobs, options)
  File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
line 246, in process
    action(input, output, options)
  File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
line 156, in ttDump
    ttf = TTFont(input, 0, verbose=options.verbose)
  File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttLib/
__init__.py", line 113, in __init__
    import macUtils
  File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttLib/
macUtils.py", line 12, in ?
    import Res
ImportError: No module named Res

Where can I get that module?

======Just van Rossum dixit:

>Yannis Haralambous wrote:
>
>> I have tried to install TTX on MacOS X with XDarwin. the installation
>> seems to have gotten fine, but when I launch TTX on a truetype font, I
>get:
>> 
>> 'import macfsn' failed; use -v for traceback
>> Traceback (most recent call last):
>>   File "/usr/bin/ttx", line 12, in ?
>>     ttx.main(sys.argv[1:])
>>   File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
>> line 248, in main
>>     jobs, options = parseOptions(args)
>>   File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
>> line 211, in parseOptions
>>     tp = guessFileType(input)
>>   File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
>> line 181, in guessFileType
>>     cr, tp = macfs.FSSpec(fileName).GetCreatorType()
>> MacOS.Error: (-43, 'Mac OS error code -43')
>> 
>> Any idea what I am doing wrong???
>
>I take it you took the 2.0b1 release tarball? It's bug that has been
>fixed fairly recently (it's specific to the Python 2.2 that ships with
>Jaguar, it comes with some broken Mac modules). It's better to grab the
>latest CVS snapshot from
>
>http://fonttools.sourceforge.net/cvs-snapshots/gzip/fonttools-current-
>snapshot.tgz
>
>It contains a workaround for this problem.
>
>Hope this helps,
>
>Just
>

+--------------------------------------------------------------------+
| Yannis Haralambous, Ph.D.      yannis.haralambous@... |
| Professor                            http://omega.enstb.org/yannis |
|                                          Tel. +33 (0)2.29.00.14.27 |
|                                          Fax  +33 (0)2.29.00.12.82 |
| Computer Science Department                                        |
| Ecole Nationale Superieure des Telecommunications de Bretagne      |
| Technopole de Brest Iroise, CS 83818, 29238 Brest CEDEX 3, France  |
+--------------------------------------------------------------------+
                         ...pour distinguer l'exterieur d'un aquarium, 
                                        mieux vaut n'etre pas poisson

                        ...the ball I threw while playing in the park
                                       has not yet reached the ground

Re(3): [FontTools] small patch to ttlib

From: Just van Rossum <just@le...> - 2003-08-28 17:53

Yannis Haralambous wrote:

> ImportError: No module named Res
> 
> Where can I get that module?

You can't, for Python 2.2 at least. Let me check, maybe you've hit a bug
in my 2.2 bug workaround code... It should after all not even _try_ to
import that module! I'll get back to you later.

Just

Re(3): [FontTools] small patch to ttlib

From: Just van Rossum <just@le...> - 2003-08-28 18:26

Yannis Haralambous wrote:

> Traceback (most recent call last):
>   File "/usr/bin/ttx", line 12, in ?
>     ttx.main(sys.argv[1:])
>   File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
> line 261, in main
>     process(jobs, options)
>   File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
> line 246, in process
>     action(input, output, options)
>   File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttx.py",
> line 156, in ttDump
>     ttf = TTFont(input, 0, verbose=options.verbose)
>   File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttLib/
> __init__.py", line 113, in __init__
>     import macUtils
>   File "/usr/lib/python2.2/site-packages/FontTools/fontTools/ttLib/
> macUtils.py", line 12, in ?
>     import Res
> ImportError: No module named Res

It was an oversight; I've now added code to ttLib/__init__.py that won't
set the 'haveMacSupport' flag with Python 2.2 on darwin. Here's the
diff:

Index: __init__.py
===================================================================
RCS file: /cvsroot/fonttools/fonttools/Lib/fontTools/ttLib/__init__.py,v
retrieving revision 1.42
retrieving revision 1.43
diff -C2 -d -r1.42 -r1.43
*** __init__.py 26 Aug 2003 19:00:38 -0000  1.42
--- __init__.py 28 Aug 2003 18:23:43 -0000  1.43
***************
*** 49,53 ****
  import os
  import string
! haveMacSupport = sys.platform in ("mac", "darwin")
  
  
--- 49,59 ----
  import os
  import string
! 
! haveMacSupport = 0
! if sys.platform == "mac":
!   haveMacSupport = 1
! elif sys.platform == "darwin" and sys.version_info[:3] != (2, 2, 0):
!   # Python 2.2's Mac support is broken, so don't enable it there.
!   haveMacSupport = 1
  
  


Just

Re: [FontTools] small patch to ttlib

From: <klchxbec@m-...> - 2003-09-11 06:54

On Fri, Aug 22, 2003 at 10:24:27PM +0200, Just van Rossum wrote:
> Hi, sorry for the delayed response. Thank you very much for your patch.
> I've checked something in that's very similar to your patch. Please try
> again with a CVS snapshot:
> http://fonttools.sourceforge.net/cvs-snapshots/gzip/fonttools-current-
> snapshot.tgz, but __not__ right away, since there's quite a delay until

Sorry for the delay in responding. It needs  this additional
patch to work:

--- fonttools/Lib/fontTools/ttLib/tables/otTables.py.orig	Thu Sep 11 12:12:22 2003
+++ fonttools/Lib/fontTools/ttLib/tables/otTables.py	Thu Sep 11 12:13:54 2003
@@ -367,9 +367,9 @@
 	'LangSys': ('DefaultLangSys',),
 	'Coverage': ('MarkCoverage', 'BaseCoverage', 'LigatureCoverage', 'Mark1Coverage',
 			'Mark2Coverage', 'BacktrackCoverage', 'InputCoverage',
-			'LookaheadCoverage'),
+			'LookAheadCoverage'),
 	'ClassDef': ('ClassDef1', 'ClassDef2', 'BacktrackClassDef', 'InputClassDef',
-			'LookaheadClassDef', 'GlyphClassDef', 'MarkAttachClassDef'),
+			'LookAheadClassDef', 'GlyphClassDef', 'MarkAttachClassDef'),
 	'Anchor': ('EntryAnchor', 'ExitAnchor', 'BaseAnchor', 'LigatureAnchor',
 			'Mark2Anchor', 'MarkAnchor'),
 	'Device': ('XPlaDevice', 'YPlaDevice', 'XAdvDevice', 'YAdvDevice',

Re: [FontTools] small patch to ttlib

From: Just van Rossum <just@le...> - 2003-09-11 07:11

=E0=A4=95=E0=A4=AA=E0=A4=BF=E0=A4=B2 wrote:

> Sorry for the delay in responding. It needs  this additional
> patch to work:

Ah, thanks, I'm checking it in.

Just

TTX/FontTools

Email Archive: fonttools-discussion (read-only)

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