def _add_fvar(font, axes, instances):
"""
Add 'fvar' table to font.
axes is an ordered dictionary of DesignspaceAxis objects.
instances is list of dictionary objects with 'location', 'stylename',
and possibly 'postscriptfontname' entries.
"""
assert axes
assert isinstance(axes, OrderedDict)
log.info("Generating fvar")
fvar = newTable('fvar')
nameTable = font['name']
for a in axes.values():
axis = Axis()
axis.axisTag = Tag(a.tag)
# TODO Skip axes that have no variation.
axis.minValue, axis.defaultValue, axis.maxValue = a.minimum, a.default, a.maximum
axis.axisNameID = nameTable.addMultilingualName(a.labelNames, font)
axis.flags = int(a.hidden)
fvar.axes.append(axis)
for instance in instances:
coordinates = instance.location
if "en" not in instance.localisedStyleName:
if not instance.styleName:
raise VarLibValidationError(
f"Instance at location '{coordinates}' must have a default English "
"style name ('stylename' attribute on the instance element or a "
"stylename element with an 'xml:lang=\"en\"' attribute).")
localisedStyleName = dict(instance.localisedStyleName)
localisedStyleName["en"] = tounicode(instance.styleName)
else:
localisedStyleName = instance.localisedStyleName
psname = instance.postScriptFontName
inst = NamedInstance()
inst.subfamilyNameID = nameTable.addMultilingualName(
localisedStyleName)
if psname is not None:
psname = tounicode(psname)
inst.postscriptNameID = nameTable.addName(psname)
inst.coordinates = {
axes[k].tag: axes[k].map_backward(v)
for k, v in coordinates.items()
}
#inst.coordinates = {axes[k].tag:v for k,v in coordinates.items()}
fvar.instances.append(inst)
assert "fvar" not in font
font['fvar'] = fvar
return fvar
def _add_fvar(font, axes, instances):
"""
Add 'fvar' table to font.
axes is an ordered dictionary of DesignspaceAxis objects.
instances is list of dictionary objects with 'location', 'stylename',
and possibly 'postscriptfontname' entries.
"""
assert axes
assert isinstance(axes, OrderedDict)
log.info("Generating fvar")
fvar = newTable('fvar')
nameTable = font['name']
for a in axes.values():
axis = Axis()
axis.axisTag = Tag(a.tag)
# TODO Skip axes that have no variation.
axis.minValue, axis.defaultValue, axis.maxValue = a.minimum, a.default, a.maximum
axis.axisNameID = nameTable.addMultilingualName(a.labelNames, font)
axis.flags = int(a.hidden)
fvar.axes.append(axis)
for instance in instances:
coordinates = instance.location
if "en" not in instance.localisedStyleName:
assert instance.styleName
localisedStyleName = dict(instance.localisedStyleName)
localisedStyleName["en"] = tounicode(instance.styleName)
else:
localisedStyleName = instance.localisedStyleName
psname = instance.postScriptFontName
inst = NamedInstance()
inst.subfamilyNameID = nameTable.addMultilingualName(localisedStyleName)
if psname is not None:
psname = tounicode(psname)
inst.postscriptNameID = nameTable.addName(psname)
inst.coordinates = {axes[k].tag:axes[k].map_backward(v) for k,v in coordinates.items()}
#inst.coordinates = {axes[k].tag:v for k,v in coordinates.items()}
fvar.instances.append(inst)
assert "fvar" not in font
font['fvar'] = fvar
return fvar
def test_toXML(self):
font = MakeFont()
axis = Axis()
axis.decompile(FVAR_AXIS_DATA)
AddName(font, "Optical Size").nameID = 256
axis.axisNameID = 256
axis.flags = 0xABC
writer = XMLWriter(BytesIO())
axis.toXML(writer, font)
self.assertEqual([
'', '<!-- Optical Size -->', '<Axis>', '<AxisTag>opsz</AxisTag>',
'<Flags>0xABC</Flags>', '<MinValue>-0.5</MinValue>',
'<DefaultValue>1.3</DefaultValue>', '<MaxValue>1.5</MaxValue>',
'<AxisNameID>256</AxisNameID>', '</Axis>'
], xml_lines(writer))
def test_toXML(self):
font = MakeFont()
axis = Axis()
axis.decompile(FVAR_AXIS_DATA)
AddName(font, "Optical Size").nameID = 256
axis.axisNameID = 256
axis.flags = 0xABC
writer = XMLWriter(BytesIO())
axis.toXML(writer, font)
self.assertEqual([
'',
'<!-- Optical Size -->',
'<Axis>',
'<AxisTag>opsz</AxisTag>',
'<Flags>0xABC</Flags>',
'<MinValue>-0.5</MinValue>',
'<DefaultValue>1.3</DefaultValue>',
'<MaxValue>1.5</MaxValue>',
'<AxisNameID>256</AxisNameID>',
'</Axis>'
], xml_lines(writer))