Re: [Pyobjc-dev] CoreText CTFontCreatePathForGlyph :: not defined?
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Re: [Pyobjc-dev] CoreText CTFontCreatePathForGlyph :: not defined?
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From: James T. <tra...@gm...> - 2009-04-23 07:17:18
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Ok, now using ord: v, gl = CTFontGetGlyphsForCharacters(font, ord(u'x'), None, 1) Produces: TypeError: Expecting UniChar -jt On Thu, Apr 23, 2009 at 7:43 AM, Ronald Oussoren <ron...@ma...> wrote: > > On 23 Apr, 2009, at 0:55, James Trankelson wrote: > >> Ok, so in order to do this, I need to install the version in the trunk. > > You don't have to install the version in the trunk, if you manually convert > unicode characters to integers (using "ord", rather than the unichar > function I mentioned yesterday) >> >> I hate to say it, but that's causing me trouble as well... > > Phew, I'm glad that didn't work. Please don't install PyObjC 2.2 in the > system install of Python. There are differences between the current edition > of PyObjC and the version included in Leoopard and I don't know if those > changes are backward compatible. That means that installing an updated > version of PyObjC could break system components (especially on Leopard > Server). > > Sadly enough the version in the trunk isn't ready to be installed by new > users yet, I need to do some work on packaging (makeing sure that it can be > installed from source with the Python.org distribution, provide binary > packages, ...). > > Ronald > >> >> $ sudo easy_install pyobjc==2.2b1 >> >> Searching for pyobjc==2.2b1 >> ... >> Running pyobjc-2.2b1/setup.py -q bdist_egg --dist-dir >> /tmp/easy_install-_86MCZ/pyobjc-2.2b1/egg-dist-tmp-Q8jX-H >> The required version of setuptools (>=0.6c9) is not available, and >> can't be installed while this script is running. Please install >> a more recent version first, using 'easy_install -U setuptools'. >> >> (Currently using setuptools 0.6c7 >> >> (/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python)) >> error: Setup script exited with 2 >> >> $ sudo easy_install -U setuptools >> Searching for setuptools >> Reading http://pypi.python.org/simple/setuptools/ >> Best match: setuptools 0.6c9 >> Processing setuptools-0.6c9-py2.5.egg >> setuptools 0.6c9 is already the active version in easy-install.pth >> Installing easy_install script to /usr/local/bin >> Installing easy_install-2.5 script to /usr/local/bin >> >> Using /Library/Python/2.5/site-packages/setuptools-0.6c9-py2.5.egg >> Processing dependencies for setuptools >> Finished processing dependencies for setuptools >> >> $ sudo easy_install pyobjc==2.2b1 >> >> (Same as first try) >> >> Is there some config file that will allow me to get this to point to >> the right setuptools? >> >> Thanks again. >> >> -jt >> >> On Wed, Apr 22, 2009 at 10:29 PM, Ronald Oussoren >> <ron...@ma...> wrote: >>> >>> On 22 Apr, 2009, at 14:38, James Trankelson wrote: >>> >>>> Bah. Thanks. Still not quite out of the woods, though. >>>> >>>> Now it's not having trouble finding the function >>>> (CTFontCreatePathForGlyph), but I get a new error: >>>> >>>> depythonifying 'short', got 'unicode' of 1 >>> >>> I should have mentioned that, the version of pyobjc that's included with >>> Leopard cannot do what you want it to do. You must pass unichar(u'a')) >>> instead of u'a'. The reason for that is that "unichar" is an alias for >>> "short int" in (Objective-)C, both result in the same metadata. >>> >>> The version of PyObjC that's in the subversion repository does know the >>> difference between "unichar" and "unsigned short" using hacks in the >>> metadata file. >>> >>>> >>>> My usage is nearly identical to an example in cttests.py for obtaining >>>> a font and getting the Glyph from it: >>>> >>>> v, gl = CTFontGetGlyphsForCharacters(font, u'x', None, 1) >>>> v = CTFontCreatePathForGlyph(font, gl[0], None) >>>> >>>> This leads me to wonder if the signature mentioned previously for >>>> CTFontCreatePathForGlyph was incorrect: >>>> >>>> '@@sn^{CGAffineTransform=ffffff}' >>>> >>>> Unfortunately, I can't find any documentation on how to map the >>>> signatures. For someone that knows, is this signature correct? >>> >>> The signature is correct. "s" is the encoding for both "short int" and >>> "unichar". >>> >>> Ronald >>> >>>> >>>> Thanks >>>> >>>> -jt >>>> >>>> >>>> On Wed, Apr 22, 2009 at 10:19 AM, Petr Mifek >>>> <pet...@an...> wrote: >>>>> >>>>> Hi, >>>>> >>>>> James, import CoreText is missing there. >>>>> >>>>> Cheers, Petr >>>>> >>>>> James Trankelson wrote: >>>>>> >>>>>> It seems like some names can't be found. CoreText is one of them. >>>>>> >>>>>> from CoreText import * >>>>>> objc.loadBundleFunctions(CoreText.__bundle__, globals(), [ >>>>>> ('CTFontCreatePathForGlyph', >>>>>> '@@sn^{CGAffineTransform=ffffff}') >>>>>> ], False) >>>>>> >>>>>> Produces: NameError: name 'CoreText' is not defined >>>>>> >>>>>> I tried manually loading the bundle as follows: >>>>>> >>>>>> objc.loadBundle("CoreText", globals(), >>>>>> >>>>>> >>>>>> >>>>>> bundle_path=objc.pathForFramework(u'/Developer/SDKs/MacOSX10.5.sdk/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreText.framework')) >>>>>> >>>>>> Which also fails. >>>>>> >>>>>> -jt >>>>>> >>>>>> On Wed, Apr 22, 2009 at 7:22 AM, Ronald Oussoren >>>>>> <ron...@ma...> >>>>>> wrote: >>>>>>> >>>>>>> On 21 Apr, 2009, at 20:59, James Trankelson wrote: >>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> I'm trying to do some CoreText suff (10.5). Most of the calls are >>>>>>>> fine, but one fails: >>>>>>>> >>>>>>>> global name 'CTFontCreatePathForGlyph' is not defined >>>>>>>> >>>>>>>> Is there any way around this? >>>>>>> >>>>>>> Which version of PyObjC do you use? I guess it's the one included in >>>>>>> Leopard, that seems to mis the symbol while PyObjC 2.2 does have it. >>>>>>> >>>>>>> Adding a new function can be done using objc.loadBundleFunctions: >>>>>>> >>>>>>> import objc >>>>>>> import CoreText >>>>>>> objc.loadBundleFunctions(CoreText.__bundle__, globals(), [ >>>>>>> ('CTFontCreatePathForGlyph', >>>>>>> '@@sn^{CGAffineTransform=ffffff}') >>>>>>> ], False) >>>>>>> >>>>>>> The code above (untested) should add 'CTFontCreatePathForGlyph' to >>>>>>> the >>>>>>> globals dictionary. >>>>>>> >>>>>>> Ronald >>>>>>>> >>>>>>>> Thanks >>>>>>>> >>>>>>>> -jt >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> ------------------------------------------------------------------------------ >>>>>>>> Stay on top of everything new and different, both inside and >>>>>>>> around Java (TM) technology - register by April 22, and save >>>>>>>> $200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco. >>>>>>>> 300 plus technical and hands-on sessions. Register today. >>>>>>>> Use priority code J9JMT32. http://p.sf.net/sfu/p >>>>>>>> _______________________________________________ >>>>>>>> Pyobjc-dev mailing list >>>>>>>> Pyo...@li... >>>>>>>> https://lists.sourceforge.net/lists/listinfo/pyobjc-dev >>>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> ------------------------------------------------------------------------------ >>>>>> Stay on top of everything new and different, both inside and around >>>>>> Java >>>>>> (TM) technology - register by April 22, and save >>>>>> $200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco. >>>>>> 300 plus technical and hands-on sessions. Register today. Use priority >>>>>> code J9JMT32. http://p.sf.net/sfu/p >>>>>> _______________________________________________ >>>>>> Pyobjc-dev mailing list >>>>>> Pyo...@li... >>>>>> https://lists.sourceforge.net/lists/listinfo/pyobjc-dev >>>>> >>> >>> > > |
