76 September 2005 XMP Specification XMP Schemas Property Value Types 4 ● The preferred field namespace prefix is stDim Font A structure containing the characteristics of a font used in a document. ● The field namespace URI is http:ns.adobe.com/xap/1.0/sType/Font# ● The preferred field namespace prefix is stFnt Field Name Value Type Description w Real Width h Real Height unit open Choice Units. For example: inch,mm,pixel,pica,point Field Name Value Type Description stFnt:fontName Text Postscript name of the font. stFnt:fontFamily Text The font family name. stFnt:fontFace Text The font face name. stFnt:fontType open Choice The font type, such as TrueType,Type 1,Open Type, and so on. stFnt:versionString String The version string: /version for Type1 fonts nameId 5 for Apple True Type and OpenType /CIDFontVersion for CID fonts The empty string for bitmap fonts NOTE: CoolType allows two fonts with the same Postscript name and different technologies to be used at the same time, but not if they are from different versions. So even without this data for a given document you will have unique font data. However, the version can tell you if the font has changed metrics, glyph forms or other important information. This is useful for comparing fonts in two documents or fonts in a document to those in your systeml. stFnt:composite Boolean When true, this is a composite font. stFnt:fontFileName String The font file name (not a complete path). stFnt:childFontFiles Seq String The list of file names for the fonts that make up a composite font.