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#Copyright ReportLab Europe Ltd. 2000-2017 #see license.txt for license details #history https://hg.reportlab.com/hg-public/reportlab/log/tip/src/reportlab/pdfbase/_fontdata.py #$Header $ __version__='3.3.0' __doc__="""Database of font related things - standardFonts - tuple of the 14 standard string font names - standardEncodings - tuple of the known standard font names - encodings - a mapping object from standard encoding names (and minor variants) to the encoding vectors ie the tuple of string glyph names - widthsByFontGlyph - fontname x glyphname --> width of glyph - widthVectorsByFont - fontName -> vector of widths This module defines a static, large data structure. At the request of the Jython project, we have split this off into separate modules as Jython cannot handle more than 64k of bytecode in the 'top level' code of a Python module. """ import os, sys # mapping of name to width vector, starts empty until fonts are added # e.g. widths['Courier'] = [...600,600,600,...] widthVectorsByFont = {} fontsByName = {} fontsByBaseEnc = {} # this is a list of the standard 14 font names in Acrobat Reader standardFonts = ( 'Courier', 'Courier-Bold', 'Courier-Oblique', 'Courier-BoldOblique', 'Helvetica', 'Helvetica-Bold', 'Helvetica-Oblique', 'Helvetica-BoldOblique', 'Times-Roman', 'Times-Bold', 'Times-Italic', 'Times-BoldItalic', 'Symbol','ZapfDingbats') standardFontAttributes = { #family, bold, italic defined for basic ones 'Courier':('Courier',0,0), 'Courier-Bold':('Courier',1,0), 'Courier-Oblique':('Courier',0,1), 'Courier-BoldOblique':('Courier',1,1), 'Helvetica':('Helvetica',0,0), 'Helvetica-Bold':('Helvetica',1,0), 'Helvetica-Oblique':('Helvetica',0,1), 'Helvetica-BoldOblique':('Helvetica',1,1), 'Times-Roman':('Times-Roman',0,0), 'Times-Bold':('Times-Roman',1,0), 'Times-Italic':('Times-Roman',0,1), 'Times-BoldItalic':('Times-Roman',1,1), 'Symbol':('Symbol',0,0), 'ZapfDingbats':('ZapfDingbats',0,0) } #this maps fontnames to the equivalent filename root. _font2fnrMapWin32 = { 'symbol': 'sy______', 'zapfdingbats': 'zd______', 'helvetica': '_a______', 'helvetica-bold': '_ab_____', 'helvetica-boldoblique': '_abi____', 'helvetica-oblique': '_ai_____', 'times-bold': '_eb_____', 'times-bolditalic': '_ebi____', 'times-italic': '_ei_____', 'times-roman': '_er_____', 'courier-bold': 'cob_____', 'courier-boldoblique': 'cobo____', 'courier': 'com_____', 'courier-oblique': 'coo_____', } if sys.platform in ('linux2',): _font2fnrMapLinux2 ={ 'symbol': 'Symbol', 'zapfdingbats': 'ZapfDingbats', 'helvetica': 'Arial', 'helvetica-bold': 'Arial-Bold', 'helvetica-boldoblique': 'Arial-BoldItalic', 'helvetica-oblique': 'Arial-Italic', 'times-bold': 'TimesNewRoman-Bold', 'times-bolditalic':'TimesNewRoman-BoldItalic', 'times-italic': 'TimesNewRoman-Italic', 'times-roman': 'TimesNewRoman', 'courier-bold': 'Courier-Bold', 'courier-boldoblique': 'Courier-BoldOblique', 'courier': 'Courier', 'courier-oblique': 'Courier-Oblique', } _font2fnrMap = _font2fnrMapLinux2 for k, v in _font2fnrMap.items(): if k in _font2fnrMapWin32.keys(): _font2fnrMapWin32[v.lower()] = _font2fnrMapWin32[k] del k, v else: _font2fnrMap = _font2fnrMapWin32 def _findFNR(fontName): return _font2fnrMap[fontName.lower()] from reportlab.rl_config import T1SearchPath from reportlab.lib.utils import rl_isfile def _searchT1Dirs(n,rl_isfile=rl_isfile,T1SearchPath=T1SearchPath): assert T1SearchPath!=[], "No Type-1 font search path" for d in T1SearchPath: f = os.path.join(d,n) if rl_isfile(f): return f return None del T1SearchPath, rl_isfile def findT1File(fontName,ext='.pfb'): if sys.platform in ('linux2',) and ext=='.pfb': try: f = _searchT1Dirs(_findFNR(fontName)) if f: return f except: pass try: f = _searchT1Dirs(_font2fnrMapWin32[fontName.lower()]+ext) if f: return f except: pass return _searchT1Dirs(_findFNR(fontName)+ext) # this lists the predefined font encodings - WinAnsi and MacRoman. We have # not added MacExpert - it's possible, but would complicate life and nobody # is asking. StandardEncoding means something special. standardEncodings = ('WinAnsiEncoding','MacRomanEncoding','StandardEncoding','SymbolEncoding','ZapfDingbatsEncoding','PDFDocEncoding', 'MacExpertEncoding') #this is the global mapping of standard encodings to name vectors class _Name2StandardEncodingMap(dict): '''Trivial fake dictionary with some [] magic''' _XMap = {'winansi':'WinAnsiEncoding','macroman': 'MacRomanEncoding','standard':'StandardEncoding','symbol':'SymbolEncoding', 'zapfdingbats':'ZapfDingbatsEncoding','pdfdoc':'PDFDocEncoding', 'macexpert':'MacExpertEncoding'} def __setitem__(self,x,v): y = x.lower() if y[-8:]=='encoding': y = y[:-8] y = self._XMap[y] if y in self: raise IndexError('Encoding %s is already set' % y) dict.__setitem__(self,y,v) def __getitem__(self,x): y = x.lower() if y[-8:]=='encoding': y = y[:-8] y = self._XMap[y] return dict.__getitem__(self,y) encodings = _Name2StandardEncodingMap() #due to compiled method size limits in Jython, #we pull these in from separate modules to keep this module #well under 64k. We might well be able to ditch many of #these anyway now we run on Unicode. from reportlab.pdfbase._fontdata_enc_winansi import WinAnsiEncoding from reportlab.pdfbase._fontdata_enc_macroman import MacRomanEncoding from reportlab.pdfbase._fontdata_enc_standard import StandardEncoding from reportlab.pdfbase._fontdata_enc_symbol import SymbolEncoding from reportlab.pdfbase._fontdata_enc_zapfdingbats import ZapfDingbatsEncoding from reportlab.pdfbase._fontdata_enc_pdfdoc import PDFDocEncoding from reportlab.pdfbase._fontdata_enc_macexpert import MacExpertEncoding encodings.update({ 'WinAnsiEncoding': WinAnsiEncoding, 'MacRomanEncoding': MacRomanEncoding, 'StandardEncoding': StandardEncoding, 'SymbolEncoding': SymbolEncoding, 'ZapfDingbatsEncoding': ZapfDingbatsEncoding, 'PDFDocEncoding': PDFDocEncoding, 'MacExpertEncoding': MacExpertEncoding, }) ascent_descent = { 'Courier': (629, -157), 'Courier-Bold': (626, -142), 'Courier-BoldOblique': (626, -142), 'Courier-Oblique': (629, -157), 'Helvetica': (718, -207), 'Helvetica-Bold': (718, -207), 'Helvetica-BoldOblique': (718, -207), 'Helvetica-Oblique': (718, -207), 'Times-Roman': (683, -217), 'Times-Bold': (676, -205), 'Times-BoldItalic': (699, -205), 'Times-Italic': (683, -205), 'Symbol': (0, 0), 'ZapfDingbats': (0, 0) } # ditto about 64k limit - profusion of external files import reportlab.pdfbase._fontdata_widths_courier import reportlab.pdfbase._fontdata_widths_courierbold import reportlab.pdfbase._fontdata_widths_courieroblique import reportlab.pdfbase._fontdata_widths_courierboldoblique import reportlab.pdfbase._fontdata_widths_helvetica import reportlab.pdfbase._fontdata_widths_helveticabold import reportlab.pdfbase._fontdata_widths_helveticaoblique import reportlab.pdfbase._fontdata_widths_helveticaboldoblique import reportlab.pdfbase._fontdata_widths_timesroman import reportlab.pdfbase._fontdata_widths_timesbold import reportlab.pdfbase._fontdata_widths_timesitalic import reportlab.pdfbase._fontdata_widths_timesbolditalic import reportlab.pdfbase._fontdata_widths_symbol import reportlab.pdfbase._fontdata_widths_zapfdingbats widthsByFontGlyph = { 'Courier': reportlab.pdfbase._fontdata_widths_courier.widths, 'Courier-Bold': reportlab.pdfbase._fontdata_widths_courierbold.widths, 'Courier-Oblique': reportlab.pdfbase._fontdata_widths_courieroblique.widths, 'Courier-BoldOblique': reportlab.pdfbase._fontdata_widths_courierboldoblique.widths, 'Helvetica': reportlab.pdfbase._fontdata_widths_helvetica.widths, 'Helvetica-Bold': reportlab.pdfbase._fontdata_widths_helveticabold.widths, 'Helvetica-Oblique': reportlab.pdfbase._fontdata_widths_helveticaoblique.widths, 'Helvetica-BoldOblique': reportlab.pdfbase._fontdata_widths_helveticaboldoblique.widths, 'Times-Roman': reportlab.pdfbase._fontdata_widths_timesroman.widths, 'Times-Bold': reportlab.pdfbase._fontdata_widths_timesbold.widths, 'Times-Italic': reportlab.pdfbase._fontdata_widths_timesitalic.widths, 'Times-BoldItalic': reportlab.pdfbase._fontdata_widths_timesbolditalic.widths, 'Symbol': reportlab.pdfbase._fontdata_widths_symbol.widths, 'ZapfDingbats': reportlab.pdfbase._fontdata_widths_zapfdingbats.widths, } #preserve the initial values here def _reset( initial_dicts=dict( ascent_descent=ascent_descent.copy(), fontsByBaseEnc=fontsByBaseEnc.copy(), fontsByName=fontsByName.copy(), standardFontAttributes=standardFontAttributes.copy(), widthVectorsByFont=widthVectorsByFont.copy(), widthsByFontGlyph=widthsByFontGlyph.copy(), ) ): for k,v in initial_dicts.items(): d=globals()[k] d.clear() d.update(v) from reportlab.rl_config import register_reset register_reset(_reset) del register_reset