When you view a PDF containing CJK text, the software is likely processing a Type 0 font.
A keyword ( 0 ) indicating the entire regex match for fontification. A starting point ( 0% ) for animating font properties. Legacy UI 0 font
A numeric constant for default text alignment (e.g., left-justify). WIDGET_TEXT - NV5 Geospatial Software When you view a PDF containing CJK text,
: Common encodings for Type 0 fonts include Identity-H (horizontal) or Identity-V (vertical). 0 font
: It relies on a CMap to translate character codes into the correct glyph indices in the descendant font.
: It is a composite font that refers to one or more "descendant" fonts.