a w=icN@sdZddlmZddlmZddlmZddlmZ ddl m Z m Z ddl mZdd lmZmZd/d d Zd dZddZddZddZd0ddZddZddZddZddZdd Zd!d"Zd#d$Zd%d&Zd'd(Z d)d*Z!d+d,Z"e#d-krdd.l$Z$dd.l%Z%e%&e$'j(d.S)1zModule to build FeatureVariation tables: https://docs.microsoft.com/en-us/typography/opentype/spec/chapter2#featurevariations-table NOTE: The API is experimental and subject to change. )hashdictpopCount)newTable)otTables) buildLookupbuildSingleSubstSubtable) OrderedDict) VarLibErrorVarLibValidationErrorrvrncstt||dt|}t|\}}d|vr:t|d<t|dj|g}|D]$\}}||fdd|DfqRt ||dj||dS)aAdd conditional substitutions to a Variable Font. The `conditionalSubstitutions` argument is a list of (Region, Substitutions) tuples. A Region is a list of Boxes. A Box is a dict mapping axisTags to (minValue, maxValue) tuples. Irrelevant axes may be omitted and they are interpretted as extending to end of axis in each direction. A Box represents an orthogonal 'rectangular' subset of an N-dimensional design space. A Region represents a more complex subset of an N-dimensional design space, ie. the union of all the Boxes in the Region. For efficiency, Boxes within a Region should ideally not overlap, but functionality is not compromised if they do. The minimum and maximum values are expressed in normalized coordinates. A Substitution is a dict mapping source glyph names to substitute glyph names. Example: # >>> f = TTFont(srcPath) # >>> condSubst = [ # ... # A list of (Region, Substitution) tuples. # ... ([{"wdth": (0.5, 1.0)}], {"cent": "cent.rvrn"}), # ... ([{"wght": (0.5, 1.0)}], {"dollar": "dollar.rvrn"}), # ... ] # >>> addFeatureVariations(f, condSubst) # >>> f.save(dstPath) ) glyphNames substitutionsGSUBcsg|] }|qSr).0s lookupMaprm/home/droni/.local/share/virtualenvs/DPS-5Je3_V2c/lib/python3.9/site-packages/fontTools/varLib/featureVars.py Cz(addFeatureVariations..N) _checkSubstitutionGlyphsExistsetZ getGlyphOrderoverlayFeatureVariationsmakeSubstitutionsHashable buildGSUBbuildSubstitutionLookupstableappendaddFeatureVariationsRaw)fontconditionalSubstitutions featureTagrallSubstitutionsZconditionsAndLookups conditionSetrrraddFeatureVariationss      r'cCsTt}|D]$\}}||O}|t|O}q ||}|rPtdd|dS)NzAMissing glyphs are referenced in conditional substitution rules: z, )rkeysvaluesr join)rrZreferencedGlyphNames_Z substitutionmissingrrrrIs  rcCst}|D]0\}}t|}||vr2|||q |||<q dd|D}~t}t|D]J\}}ttdd|Dddd}||vr|||q^t|||<q^t t|}~tdff}t|}t |D]\}\}}t|} d |>} |D]r\} } |D]d} t | | \}}|d urDt|}| |d| B| B| |<|d urt|}| |d| B| |<qq| }qg}t|d ddD]h\} } | dkrqg}d}| r| d @r| ||d | d L} |d 7}q| t| |fq|S) aCompute overlaps between all conditional substitutions. The `conditionalSubstitutions` argument is a list of (Region, Substitutions) tuples. A Region is a list of Boxes. A Box is a dict mapping axisTags to (minValue, maxValue) tuples. Irrelevant axes may be omitted and they are interpretted as extending to end of axis in each direction. A Box represents an orthogonal 'rectangular' subset of an N-dimensional design space. A Region represents a more complex subset of an N-dimensional design space, ie. the union of all the Boxes in the Region. For efficiency, Boxes within a Region should ideally not overlap, but functionality is not compromised if they do. The minimum and maximum values are expressed in normalized coordinates. A Substitution is a dict mapping source glyph names to substitute glyph names. Returns data is in similar but different format. Overlaps of distinct substitution Boxes (*not* Regions) are explicitly listed as distinct rules, and rules with the same Box merged. The more specific rules appear earlier in the resulting list. Moreover, instead of just a dictionary of substitutions, a list of dictionaries is returned for substitutions corresponding to each unique space, with each dictionary being identical to one of the input substitution dictionaries. These dictionaries are not merged to allow data sharing when they are converted into font tables. Example:: >>> condSubst = [ ... # A list of (Region, Substitution) tuples. ... ([{"wght": (0.5, 1.0)}], {"dollar": "dollar.rvrn"}), ... ([{"wght": (0.5, 1.0)}], {"dollar": "dollar.rvrn"}), ... ([{"wdth": (0.5, 1.0)}], {"cent": "cent.rvrn"}), ... ([{"wght": (0.5, 1.0), "wdth": (-1, 1.0)}], {"dollar": "dollar.rvrn"}), ... ] >>> from pprint import pprint >>> pprint(overlayFeatureVariations(condSubst)) [({'wdth': (0.5, 1.0), 'wght': (0.5, 1.0)}, [{'dollar': 'dollar.rvrn'}, {'cent': 'cent.rvrn'}]), ({'wdth': (0.5, 1.0)}, [{'cent': 'cent.rvrn'}]), ({'wght': (0.5, 1.0)}, [{'dollar': 'dollar.rvrn'}])] cSsg|]\}}|t|fqSr)dict)rkvrrrrrz,overlayFeatureVariations..css|]}tt|VqdSN)r cleanupBox)rr.rrr rz+overlayFeatureVariations..cSstt|Sr0)tuplesorteditems)drrrrz*overlayFeatureVariations..)keyrr NcSst|d S)Nr r)Z BoxAndRankrrrr7r)r rextendr5reversedr3r4updater-list enumerate overlayBoxgetr )r#mergedvaluer8Z initMapInitZboxMapiZ currRegionr+ZnewMapZcurrRankboxZrankZcurrBox intersection remainderr5Z substsListrrrrUs`/        rc CsDi}||||t|t|@D]P}||\}}||\}}t||}t||} || ksld|fS|| f||<q(t|} d} d} |D]}||vrd} q||\}}||\}}||kr||krq| r||fSd} d} ||krt||}|} n&||kr|}t||} n ||fS|| f| |<q| r<|dfS|| fS)aIOverlays ``top`` box on top of ``bot`` box. Returns two items: * Box for intersection of ``top`` and ``bot``, or None if they don't intersect. * Box for remainder of ``bot``. Remainder box might not be exact (since the remainder might not be a simple box), but is inclusive of the exact remainder. NFT)r;rmaxminr-) topZbotrDaxisTagZmin1Zmax1Zmin2Zmax2minimummaximumrEZ exactlyOneZ fullyInsiderrrr>sJ                r>cCsdd|DS)zReturn a sparse copy of `box`, without redundant (default) values. >>> cleanupBox({}) {} >>> cleanupBox({'wdth': (0.0, 1.0)}) {'wdth': (0.0, 1.0)} >>> cleanupBox({'wdth': (-1.0, 1.0)}) {} cSsi|]\}}|dkr||qS))gg?r)rtaglimitrrr &rzcleanupBox..)r5)rCrrrr1s r1cCs|jdkrd|_d|_g}t|jjD]\}}|j|kr&||q&|st|g}|jj|t|jj|j_ t ||jj |}|j j D]`} | jjdurtd| jddd| jjD} | jjg| D]} | j|t| j| _ qq|g}ddt|d jD} g} |D]\}}g}t|D]:\}\}}||krLtd t| |||}||q.g}|D]*}|jj|jj}|t|||qr| t||qt| |_dS) z{Low level implementation of addFeatureVariations that directly models the possibilities of the FeatureVariations table.Nz,Feature variations require that the script 'z$' defines a default language system.cSsg|] }|jqSr)LangSys)rZlsrrrrrQrz+addFeatureVariationsRaw..cSsi|]\}}|j|qSr)rI)r axisIndexZaxisrrrrNXrz+addFeatureVariationsRaw..Zfvarz.cSsg|]\}}}|qSrrrrLrZrrrrrrcSsg|]\}}}|qSrrrrrrrrN) r=rTrUsortr-ziprangerX remapFeatures)rZ tagIndexFea featureRemaprrrrYs  rYc Cst|jjD]H\}}|jj}|dur.t||t|jjD]\}}|j}t||q:q t|dr|j dur|j j D]}|j j D]} || j | _ q~qrdS)z7Go through the scripts list, and remap feature indices.NrS)r=r[r\r]r^ _remapLangSysr`rPhasattrrSrzr~rra) rrZ scriptIndexscriptZdefaultLangSysZlangSysRecordIndexZ langSysRecrirrrrrrs   rcs0|jdkr|j|_fdd|jD|_dS)Nrncsg|] }|qSrr)rrZrrrrrz!_remapLangSys..)rrra)rirrrrrs  r__main__N)r )r ))__doc__ZfontTools.misc.dictToolsrZfontTools.misc.intToolsrZfontTools.ttLibrZfontTools.ttLib.tablesrroZfontTools.otlLib.builderrr collectionsr errorsr r r'rrr>r1r!rrrrgrWrfrerbrYrr__name__doctestsysexittestmodfailedrrrrs6      9 wO D!