j5jSdZddlmZddlZddlmZddlmZddlm Z eje Z GddeZ Gd d ZGd d Zy) z=Font provider protocol and implementations for PDF rendering.) annotationsN)Path)Protocol) FontManagerc(eZdZdZddZddZddZy) FontProviderzProtocol for providing fonts to MultiFontManager. Implementations are responsible for knowing where fonts are located and loading them. MultiFontManager asks for fonts by name and uses them for glyph coverage checking. cy)zGet a FontManager for the named font. Args: font_name: Logical font name (e.g., 'NotoSans-Regular') Returns: FontManager if font is available, None otherwise Nself font_names Q/var/www/html/qr/venv/lib/python3.12/site-packages/ocrmypdf/font/font_provider.pyget_fontzFontProvider.get_fonts cy)zGet list of available font names. Returns: List of font names that can be retrieved with get_font() Nr r s rget_available_fontsz FontProvider.get_available_fonts$s rcy)zGet the glyphless fallback font. This font must always be available and handles any codepoint. Returns: FontManager for the glyphless fallback font (Occulta.ttf) Nr rs rget_fallback_fontzFontProvider.get_fallback_font,s rNr strreturnzFontManager | Nonerz list[str]rr)__name__ __module__ __qualname____doc__rrrr rrrrs    rrcDeZdZdZdddZd d dZd dZddZdd Zdd Z y)BuiltinFontProviderz?Font provider using builtin fonts from ocrmypdf/data directory.zNotoSans-Regular.ttfz Occulta.ttf)zNotoSans-RegularOccultaNc|&ttjjdz }||_i|_|j y)zInitialize builtin font provider. Args: font_dir: Directory containing font files. If None, uses the default ocrmypdf/data directory. Ndata)r__file__parentfont_dir_fonts _load_fonts)r r&s r__init__zBuiltinFontProvider.__init__Cs>  H~,,33f}|jD])}||vs|j||j |+@|S)zGet list of available font names from all providers. Returns: Combined list of font names (deduplicated, order preserved) )setr@raddappend)r seenresultrBnames rrz'ChainedFontProvider.get_available_fontssa  (H 446 (t#HHTNMM$' ( (  rc|jD]} |jcSt d#tttf$rY8wxYw)aGet the glyphless fallback font. Tries each provider until one provides a fallback font. Returns: FontManager for the fallback font Raises: RuntimeError: If no provider can provide a fallback font z,No fallback font available from any provider)r@rNotImplementedErrorAttributeErrorKeyError RuntimeError)r rBs rrz%ChainedFontProvider.get_fallback_fontsT H 1133  IJJ(B  s/AAN)r@zlist[FontProvider]rrr)rrrrr)rrrr rrr>r>{s # Krr>)r __future__rloggingpathlibrtypingrocrmypdf.font.font_managerr getLoggerrr/rr r>r rrrVsTD"2g!# 8# LA&A&HBKBKr