Represents the "FontStretch" entry of the font descriptor object.

It is an optional entry defined as part of the PDF 1.5 specification.

It contains a string representing a PDF name object.

This item may take one of the following valid values:.

• (ordered
• UltraCondensed
• ExtraCondensed
• Condensed
• SemiCondensed
• Normal
• SemiExpanded
• Expanded
• ExtraExpanded
• UltraExpanded

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 122, page 282.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 120, page 341.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 124, page 285.

The stretch classification gives a relative indication of the width of the font. It is a name value from a defined set: UltraCondensed, ExtraCondensed, Condensed, SemiCondensed, Normal, SemiExpanded, Expanded, ExtraExpanded, or UltraExpanded.

This entry is informational and is used for font matching and substitution rather than glyph rendering.