49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
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# -*- coding: utf-8 -*-
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"""Cocoa implementation of get_font"""
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# imports ####################################################################
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from CoreText import ( # pylint: disable=import-error
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CTFontCollectionCreateFromAvailableFonts, # @UnresolvedImport
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CTFontCollectionCreateMatchingFontDescriptors, # @UnresolvedImport
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kCTFontFamilyNameAttribute, # @UnresolvedImport
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kCTFontTraitsAttribute, # @UnresolvedImport
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kCTFontURLAttribute, # @UnresolvedImport
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kCTFontSymbolicTrait, # @UnresolvedImport
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kCTFontItalicTrait, # @UnresolvedImport
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kCTFontBoldTrait, # @UnresolvedImport
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)
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# fonts ######################################################################
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_font_collection = CTFontCollectionCreateFromAvailableFonts({})
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_font_descriptors = CTFontCollectionCreateMatchingFontDescriptors(_font_collection)
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_FONTS = {}
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_FONT_NAMES = {}
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for _font in _font_descriptors:
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family = _font[kCTFontFamilyNameAttribute]
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_fonts = _FONTS.get(family, {})
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_traits = _font[kCTFontTraitsAttribute]
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_bold = bool(_traits[kCTFontSymbolicTrait] & kCTFontBoldTrait)
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_italic = bool(_traits[kCTFontSymbolicTrait] & kCTFontItalicTrait)
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_font_name = _font[kCTFontURLAttribute].path()
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_key = _italic, _bold
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_fonts[_key] = _font_name
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_names = _FONT_NAMES.get(_font_name, [])
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_names.append(_key) # TODO: no idea how to retreive fonst index in dfont file
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_names.sort() # so rely on arbitrary assunption
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_FONT_NAMES[_font_name] = _names
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_FONTS[family] = _fonts
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# utils ######################################################################
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def _get_font(family, bold, italic):
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key = italic, bold
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font_name = _FONTS[family][key]
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return font_name, _FONT_NAMES[font_name].index(key)
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