0986e4aa50
* fix ci * commit updated woff2 var * fix `--normal --no-liga` * reduce logs * split custom and release
65 lines
2.4 KiB
Python
65 lines
2.4 KiB
Python
def get_freeze_config_str(feature_freeze, enable_liga):
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result = ""
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for k, v in feature_freeze.items():
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if v == "enable":
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result += f"+{k};"
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elif v == "disable":
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result += f"-{k};"
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if not enable_liga:
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result += "-calt;"
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return result
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def freeze_feature(font, calt, moving_rules=[], config={}):
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# check feature list
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feature_record = font["GSUB"].table.FeatureList.FeatureRecord
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feature_dict = {
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feature.FeatureTag: feature.Feature
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for feature in feature_record
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if feature.FeatureTag != "calt"
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}
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if calt:
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calt_features = [
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feature.Feature for feature in feature_record if feature.FeatureTag == "calt"
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]
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else:
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for feature in feature_record:
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if feature.FeatureTag == "calt":
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feature.Feature.LookupListIndex.clear()
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feature.Feature.LookupCount = 0
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feature.FeatureTag = "DELT"
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# Process features
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for tag, status in config.items():
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target_feature = feature_dict.get(tag)
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if not target_feature or status == "ignore":
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continue
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if status == "disable":
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target_feature.LookupListIndex = []
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continue
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if tag in moving_rules and calt:
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# Enable by moving rules into "calt"
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for calt_feat in calt_features:
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calt_feat.LookupListIndex.extend(target_feature.LookupListIndex)
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else:
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# Enable by replacing data in glyf and hmtx tables
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glyph_dict = font["glyf"].glyphs
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hmtx_dict = font["hmtx"].metrics
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for index in target_feature.LookupListIndex:
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lookup_subtable = font["GSUB"].table.LookupList.Lookup[index].SubTable[0]
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if not lookup_subtable or "mapping" not in lookup_subtable.__dict__:
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continue
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for old_key, new_key in lookup_subtable.mapping.items():
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if (
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old_key in glyph_dict
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and old_key in hmtx_dict
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and new_key in glyph_dict
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and new_key in hmtx_dict
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):
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glyph_dict[old_key] = glyph_dict[new_key]
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hmtx_dict[old_key] = hmtx_dict[new_key]
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else:
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print(f"{old_key} or {new_key} does not exist")
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return
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