def explicitGlyph( font, char, encoding=None ):
"""Return glyphName or None if there is not explicit glyph for char"""
cmap = font['cmap']
if encoding is None:
encoding = describe.guessEncoding( font )
table = cmap.getcmap( *encoding )
glyfName = table.cmap.get( ord(char))
return glyfName
def _generalMetadata( self ):
"""Load general meta-data for this font (called via withFont)
Guess the appropriate encoding, query line height,
and character height.
"""
try:
self.encoding = describe.guessEncoding( self.font, self.encoding )
self.lineHeight = glyphquery.lineHeight( self.font )
self.charHeight = glyphquery.charHeight( self.font )
except Exception:
log.error( """Unable to load TrueType font from %r""", self.filename)
raise
def _generalMetadata( self ):
"""Load general meta-data for this font (called via withFont)
Guess the appropriate encoding, query line height,
and character height.
"""
try:
self.encoding = describe.guessEncoding( self.font, self.encoding )
self.lineHeight = glyphquery.lineHeight( self.font )
self.charHeight = glyphquery.charHeight( self.font )
except Exception:
log.error( """Unable to load TrueType font from %r""", self.filename)
raise
def 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...
"""
glyfName = explicitGlyph(font, char, encoding)
if glyfName is None:
encoding = describe.guessEncoding(font) #KH
cmap = font['cmap'] #KH
table = cmap.getcmap(*encoding) #KH
glyfName = table.cmap.get(-1)
if glyfName is None:
glyfName = font['glyf'].glyphOrder[0]
if text_log and warnOnFailure:
text_log.warn(
"""Unable to find glyph name for %r, in %r using first glyph in table (%r)""",
char, describe.shortName(font), glyfName)
return glyfName
def 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...
"""
glyfName = explicitGlyph( font, char, encoding )
if glyfName is None:
encoding = describe.guessEncoding( font ) #KH
cmap = font['cmap'] #KH
table = cmap.getcmap( *encoding ) #KH
glyfName = table.cmap.get( -1)
if glyfName is None:
glyfName = font['glyf'].glyphOrder[0]
if text_log and warnOnFailure:
text_log.warn(
"""Unable to find glyph name for %r, in %r using first glyph in table (%r)""",
char,
describe.shortName(font),
glyfName
)
return glyfName
