ttfquery.glyphquery

Glyph-specific queries on font-files

Functions

charDescent( font )

Determine the general descent for the font (for scaling)

charHeight( font )

Determine the general character height for the font (for scaling)

explicitGlyph( font , char , encoding = None )

Return glyphName or None if there is not explicit glyph for char

glyphName( font , char , encoding = None , warnOnFailure = 1 )

Retrieve the glyph name for the given character

XXX Not sure what the effect of the Unicode mapping will be given the use of ord...

hasGlyph( font , char , encoding = None )

Check to see if font appears to have explicit glyph for char

lineHeight( font )

Get the base-line to base-line height for the font

XXX There is some fudging going on here as I workaround what appears to be a problem with the specification for sTypoDescender, which states that it should normally be a negative value, but winds up being positive in at least one font that defines points below the zero axis.

XXX The entire OS/2 table doesn't appear in a few fonts (symbol fonts in particular), such as Corel's BeeHive and BlackLight 686.

width( font , glyphName )

Retrieve the width of the giving character for given font

The horizontal metrics table provides both the width and the left side bearing, we should really be using the left side bearing to adjust the character, but that's a later project.