Beispiel #1
0
 def test_compile_withoutPostScriptName(self):
     inst = NamedInstance()
     inst.subfamilyNameID = 345
     inst.postscriptNameID = 564
     inst.coordinates = {"wght": 0.7, "wdth": 0.5}
     self.assertEqual(FVAR_INSTANCE_DATA_WITHOUT_PSNAME,
                      inst.compile(["wght", "wdth"], False))
Beispiel #2
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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
Beispiel #3
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 def test_fromXML(self):
     inst = NamedInstance()
     attrs = {"nameID": "345"}
     inst.fromXML("NamedInstance", attrs, [
             ("coord", {"axis": "wght", "value": "0.7"}, []),
             ("coord", {"axis": "wdth", "value": "0.5"}, []),
             ], ttFont=MakeFont())
     self.assertEqual(345, inst.nameID)
     self.assertEqual({"wght": 0.7, "wdth": 0.5}, inst.coordinates)
Beispiel #4
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 def test_decompile_withoutPostScriptName(self):
     inst = NamedInstance()
     inst.decompile(FVAR_INSTANCE_DATA_WITHOUT_PSNAME, ["wght", "wdth"])
     self.assertEqual(0xFFFF, inst.postscriptNameID)
     self.assertEqual(345, inst.subfamilyNameID)
     self.assertDictAlmostEqual({
         "wght": 0.6999969,
         "wdth": 0.5
     }, inst.coordinates)
Beispiel #5
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 def test_fromXML_withoutPostScriptName(self):
     inst = NamedInstance()
     for name, attrs, content in parseXML(
             '<NamedInstance subfamilyNameID="345">'
             '    <coord axis="wght" value="0.7"/>'
             '    <coord axis="wdth" value="0.5"/>'
             '</NamedInstance>'):
         inst.fromXML(name, attrs, content, ttFont=MakeFont())
     self.assertEqual(345, inst.subfamilyNameID)
     self.assertEqual({"wght": 0.7, "wdth": 0.5}, inst.coordinates)
Beispiel #6
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 def test_fromXML_withoutPostScriptName(self):
     inst = NamedInstance()
     for name, attrs, content in parseXML(
             '<NamedInstance subfamilyNameID="345">'
             '    <coord axis="wght" value="0.7"/>'
             '    <coord axis="wdth" value="0.5"/>'
             '</NamedInstance>'):
         inst.fromXML(name, attrs, content, ttFont=MakeFont())
     self.assertEqual(345, inst.subfamilyNameID)
     self.assertEqual({"wght": 0.7, "wdth": 0.5}, inst.coordinates)
Beispiel #7
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 def test_fromXML(self):
     inst = NamedInstance()
     for name, attrs, content in parseXML(
         '<NamedInstance nameID="345">'
         '    <coord axis="wght" value="0.7"/>'
         '    <coord axis="wdth" value="0.5"/>'
         "</NamedInstance>"
     ):
         inst.fromXML(name, attrs, content, ttFont=MakeFont())
     self.assertEqual(345, inst.nameID)
     self.assertEqual({"wght": 0.7, "wdth": 0.5}, inst.coordinates)
Beispiel #8
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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
Beispiel #9
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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.addName(tounicode(a.labelname['en']))
        # TODO:
        # Replace previous line with the following when the following issues are resolved:
        # https://github.com/fonttools/fonttools/issues/930
        # https://github.com/fonttools/fonttools/issues/931
        # axis.axisNameID = nameTable.addMultilingualName(a.labelname, font)
        fvar.axes.append(axis)

    for instance in instances:
        coordinates = instance['location']
        name = tounicode(instance['stylename'])
        psname = instance.get('postscriptfontname')

        inst = NamedInstance()
        inst.subfamilyNameID = nameTable.addName(name)
        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
Beispiel #10
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 def test_fromXML_withPostScriptName(self):
     inst = NamedInstance()
     for name, attrs, content in parseXML(
             '<NamedInstance flags="0x0" postscriptNameID="257" subfamilyNameID="345">'
             '    <coord axis="wght" value="0.7"/>'
             '    <coord axis="wdth" value="0.5"/>'
             '</NamedInstance>'):
         inst.fromXML(name, attrs, content, ttFont=MakeFont())
     self.assertEqual(257, inst.postscriptNameID)
     self.assertEqual(345, inst.subfamilyNameID)
     self.assertDictAlmostEqual({
         "wght": 0.6999969,
         "wdth": 0.5
     }, inst.coordinates)
Beispiel #11
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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.addName(tounicode(a.labelNames['en']))
		# TODO:
		# Replace previous line with the following when the following issues are resolved:
		# https://github.com/fonttools/fonttools/issues/930
		# https://github.com/fonttools/fonttools/issues/931
		# axis.axisNameID = nameTable.addMultilingualName(a.labelname, font)
		fvar.axes.append(axis)

	for instance in instances:
		coordinates = instance.location
		name = tounicode(instance.styleName)
		psname = instance.postScriptFontName

		inst = NamedInstance()
		inst.subfamilyNameID = nameTable.addName(name)
		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
Beispiel #12
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    def gen_instances(is_italic):
        results = []
        for wght_val in range(wght_min, wght_max + 100, 100):
            name = (WEIGHT_VALUES[wght_val] if not is_italic else
                    f"{WEIGHT_VALUES[wght_val]} Italic".strip())
            name = name.replace("Regular Italic", "Italic")

            coordinates = deepcopy(default_axis_vals)
            coordinates["wght"] = wght_val

            inst = NamedInstance()
            inst.subfamilyNameID = nametable.addName(name)
            inst.coordinates = coordinates
            results.append(inst)
        return results
Beispiel #13
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 def test_toXML(self):
     font = MakeFont()
     inst = NamedInstance()
     inst.nameID = AddName(font, "Light Condensed").nameID
     inst.coordinates = {"wght": 0.7, "wdth": 0.5}
     writer = XMLWriter(StringIO())
     inst.toXML(writer, font)
     self.assertEqual([
         '',
         '<!-- Light Condensed -->',
         '<NamedInstance nameID="%s">' % inst.nameID,
           '<coord axis="wght" value="0.7"/>',
           '<coord axis="wdth" value="0.5"/>',
         '</NamedInstance>'
     ], xml_lines(writer))
Beispiel #14
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def _add_fvar(font, axes, instances):
    assert "fvar" not in font
    font['fvar'] = fvar = table__f_v_a_r()

    for tag in sorted(axes.keys()):
        axis = Axis()
        axis.axisTag = tag
        name, axis.minValue, axis.defaultValue, axis.maxValue = axes[tag]
        axis.nameID = _AddName(font, name).nameID
        fvar.axes.append(axis)

    for name, coordinates in instances:
        inst = NamedInstance()
        inst.nameID = _AddName(font, name).nameID
        inst.coordinates = coordinates
        fvar.instances.append(inst)
Beispiel #15
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def _add_fvar(font, axes, instances):
	assert "fvar" not in font
	font['fvar'] = fvar = table__f_v_a_r()

	for tag in sorted(axes.keys()):
		axis = Axis()
		axis.axisTag = tag
		name, axis.minValue, axis.defaultValue, axis.maxValue = axes[tag]
		axis.nameID = _AddName(font, name).nameID
		fvar.axes.append(axis)

	for name, coordinates in instances:
		inst = NamedInstance()
		inst.nameID = _AddName(font, name).nameID
		inst.coordinates = coordinates
		fvar.instances.append(inst)
Beispiel #16
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def AddFontVariations(font):
    assert "fvar" not in font
    fvar = font["fvar"] = table__f_v_a_r()

    weight = Axis()
    weight.axisTag = "wght"
    weight.nameID = AddName(font, "Weight").nameID
    weight.minValue, weight.defaultValue, weight.maxValue = (100, 400, 900)
    fvar.axes.append(weight)

    # https://www.microsoft.com/typography/otspec/os2.htm#wtc
    for name, wght in (("Thin", 100), ("Light", 300), ("Regular", 400),
                       ("Bold", 700), ("Black", 900)):
        inst = NamedInstance()
        inst.nameID = AddName(font, name).nameID
        inst.coordinates = {"wght": wght}
        fvar.instances.append(inst)
Beispiel #17
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 def test_fromXML(self):
     inst = NamedInstance()
     attrs = {"nameID": "345"}
     inst.fromXML("NamedInstance",
                  attrs, [
                      ("coord", {
                          "axis": "wght",
                          "value": "0.7"
                      }, []),
                      ("coord", {
                          "axis": "wdth",
                          "value": "0.5"
                      }, []),
                  ],
                  ttFont=MakeFont())
     self.assertEqual(345, inst.nameID)
     self.assertEqual({"wght": 0.7, "wdth": 0.5}, inst.coordinates)
Beispiel #18
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def MakeFont():
    axes = [("wght", "Weight", 100, 400, 900), ("wdth", "Width", 50, 100, 200)]
    instances = [("Light", 300, 100), ("Light Condensed", 300, 75)]
    fvarTable = table__f_v_a_r()
    font = {"fvar": fvarTable}
    for tag, name, minValue, defaultValue, maxValue in axes:
        axis = Axis()
        axis.axisTag = tag
        axis.defaultValue = defaultValue
        axis.minValue, axis.maxValue = minValue, maxValue
        axis.axisNameID = AddName(font, name).nameID
        fvarTable.axes.append(axis)
    for name, weight, width in instances:
        inst = NamedInstance()
        inst.subfamilyNameID = AddName(font, name).nameID
        inst.coordinates = {"wght": weight, "wdth": width}
        fvarTable.instances.append(inst)
    return font
Beispiel #19
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def MakeFont():
    axes = [("wght", "Weight", 100, 400, 900), ("wdth", "Width", 50, 100, 200)]
    instances = [("Light", 300, 100), ("Light Condensed", 300, 75)]
    fvarTable = table__f_v_a_r()
    font = {"fvar": fvarTable}
    for tag, name, minValue, defaultValue, maxValue in axes:
        axis = Axis()
        axis.axisTag = tag
        axis.defaultValue = defaultValue
        axis.minValue, axis.maxValue = minValue, maxValue
        axis.nameID = AddName(font, name).nameID
        fvarTable.axes.append(axis)
    for name, weight, width in instances:
        inst = NamedInstance()
        inst.nameID = AddName(font, name).nameID
        inst.coordinates = {"wght": weight, "wdth": width}
        fvarTable.instances.append(inst)
    return font
Beispiel #20
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def _add_fvar(font, axes, instances, axis_map):
    """
	Add 'fvar' table to font.

	axes is a dictionary mapping axis-id to axis (min,default,max)
	coordinate values.

	instances is list of dictionary objects with 'location', 'stylename',
	and possibly 'postscriptfontname' entries.

	axis_map is an ordered dictionary mapping axis-id to (axis-tag, axis-name).
	"""

    assert "fvar" not in font
    font['fvar'] = fvar = newTable('fvar')
    nameTable = font['name']

    for iden in axis_map.keys():
        if iden not in axes:
            continue
        axis = Axis()
        axis.axisTag = Tag(axis_map[iden][0])
        axis.minValue, axis.defaultValue, axis.maxValue = axes[iden]
        axisName = tounicode(axis_map[iden][1])
        axis.axisNameID = nameTable.addName(axisName)
        fvar.axes.append(axis)

    for instance in instances:
        coordinates = instance['location']
        name = tounicode(instance['stylename'])
        psname = instance.get('postscriptfontname')

        inst = NamedInstance()
        inst.subfamilyNameID = nameTable.addName(name)
        if psname is not None:
            psname = tounicode(psname)
            inst.postscriptNameID = nameTable.addName(psname)
        inst.coordinates = {axis_map[k][0]: v for k, v in coordinates.items()}
        fvar.instances.append(inst)

    return fvar
Beispiel #21
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def AddFontVariations(font):
    assert "fvar" not in font
    fvar = font["fvar"] = table__f_v_a_r()

    weight = Axis()
    weight.axisTag = "wght"
    weight.nameID = AddName(font, "Weight").nameID
    weight.minValue, weight.defaultValue, weight.maxValue = (100, 400, 900)
    fvar.axes.append(weight)

    # https://www.microsoft.com/typography/otspec/os2.htm#wtc
    for name, wght in (
            ("Thin", 100),
            ("Light", 300),
            ("Regular", 400),
            ("Bold", 700),
            ("Black", 900)):
        inst = NamedInstance()
        inst.nameID = AddName(font, name).nameID
        inst.coordinates = {"wght": wght}
        fvar.instances.append(inst)
Beispiel #22
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 def test_compile_withoutPostScriptName(self):
     inst = NamedInstance()
     inst.subfamilyNameID = 345
     inst.postscriptNameID = 564
     inst.coordinates = {"wght": 0.7, "wdth": 0.5}
     self.assertEqual(FVAR_INSTANCE_DATA_WITHOUT_PSNAME,
                      inst.compile(["wght", "wdth"], False))
Beispiel #23
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def _add_fvar(font, axes, instances, axis_map):
	"""
	Add 'fvar' table to font.

	axes is a dictionary mapping axis-id to axis (min,default,max)
	coordinate values.

	instances is list of dictionary objects with 'location', 'stylename',
	and possibly 'postscriptfontname' entries.

	axisMap is dictionary mapping axis-id to (axis-tag, axis-name).
	"""

	assert "fvar" not in font
	font['fvar'] = fvar = newTable('fvar')
	nameTable = font['name']

	for iden in sorted(axes.keys(), key=lambda k: axis_map[k][0]):
		axis = Axis()
		axis.axisTag = Tag(axis_map[iden][0])
		axis.minValue, axis.defaultValue, axis.maxValue = axes[iden]
		axisName = tounicode(axis_map[iden][1])
		axis.axisNameID = nameTable.addName(axisName)
		fvar.axes.append(axis)

	for instance in instances:
		coordinates = instance['location']
		name = tounicode(instance['stylename'])
		psname = instance.get('postscriptfontname')

		inst = NamedInstance()
		inst.subfamilyNameID = nameTable.addName(name)
		if psname is not None:
			psname = tounicode(psname)
			inst.postscriptNameID = nameTable.addName(psname)
		inst.coordinates = {axis_map[k][0]:v for k,v in coordinates.items()}
		fvar.instances.append(inst)

	return fvar
Beispiel #24
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 def test_toXML_withPostScriptName(self):
     font = MakeFont()
     inst = NamedInstance()
     inst.flags = 0xE9
     inst.subfamilyNameID = AddName(font, "Light Condensed").nameID
     inst.postscriptNameID = AddName(font, "Test-LightCondensed").nameID
     inst.coordinates = {"wght": 0.7, "wdth": 0.5}
     writer = XMLWriter(BytesIO())
     inst.toXML(writer, font)
     self.assertEqual([
         '', '<!-- Light Condensed -->',
         '<!-- PostScript: Test-LightCondensed -->',
         '<NamedInstance flags="0xE9" postscriptNameID="%s" subfamilyNameID="%s">'
         % (inst.postscriptNameID, inst.subfamilyNameID),
         '<coord axis="wght" value="0.7"/>',
         '<coord axis="wdth" value="0.5"/>', '</NamedInstance>'
     ], xml_lines(writer))
Beispiel #25
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 def test_toXML(self):
     font = MakeFont()
     inst = NamedInstance()
     inst.nameID = AddName(font, "Light Condensed").nameID
     inst.coordinates = {"wght": 0.7, "wdth": 0.5}
     writer = XMLWriter(StringIO())
     inst.toXML(writer, font)
     self.assertEqual([
         '', '<!-- Light Condensed -->',
         '<NamedInstance nameID="%s">' % inst.nameID,
         '<coord axis="wght" value="0.7"/>',
         '<coord axis="wdth" value="0.5"/>', '</NamedInstance>'
     ], xml_lines(writer))
Beispiel #26
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 def test_toXML_withPostScriptName(self):
     font = MakeFont()
     inst = NamedInstance()
     inst.flags = 0xE9
     inst.subfamilyNameID = AddName(font, "Light Condensed").nameID
     inst.postscriptNameID = AddName(font, "Test-LightCondensed").nameID
     inst.coordinates = {"wght": 0.7, "wdth": 0.5}
     writer = XMLWriter(BytesIO())
     inst.toXML(writer, font)
     self.assertEqual([
         '',
         '<!-- Light Condensed -->',
         '<!-- PostScript: Test-LightCondensed -->',
         '<NamedInstance flags="0xE9" postscriptNameID="%s" subfamilyNameID="%s">' % (
             inst.postscriptNameID, inst.subfamilyNameID),
           '<coord axis="wght" value="0.7"/>',
           '<coord axis="wdth" value="0.5"/>',
         '</NamedInstance>'
     ], xml_lines(writer))
Beispiel #27
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 def test_decompile(self):
     inst = NamedInstance()
     inst.decompile(FVAR_INSTANCE_DATA, ["wght", "wdth"])
     self.assertEqual(345, inst.nameID)
     self.assertEqual({"wght": 0.7, "wdth": 0.5}, inst.coordinates)
Beispiel #28
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def _add_fvar_avar(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 / avar")

	fvar = newTable('fvar')
	nameTable = font['name']

	for a in axes.values():
		axis = Axis()
		axis.axisTag = Tag(a.tag)
		axis.minValue, axis.defaultValue, axis.maxValue = a.minimum, a.default, a.maximum
		axis.axisNameID = nameTable.addName(tounicode(a.labelname['en']))
		# TODO:
		# Replace previous line with the following when the following issues are resolved:
		# https://github.com/fonttools/fonttools/issues/930
		# https://github.com/fonttools/fonttools/issues/931
		# axis.axisNameID = nameTable.addMultilingualName(a.labelname, font)
		fvar.axes.append(axis)

	for instance in instances:
		coordinates = instance['location']
		name = tounicode(instance['stylename'])
		psname = instance.get('postscriptfontname')

		inst = NamedInstance()
		inst.subfamilyNameID = nameTable.addName(name)
		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()}
		fvar.instances.append(inst)

	avar = newTable('avar')
	interesting = False
	for axis in axes.values():
		curve = avar.segments[axis.tag] = {}
		if not axis.map or all(k==v for k,v in axis.map.items()):
			continue
		interesting = True

		items = sorted(axis.map.items())
		keys   = [item[0] for item in items]
		vals = [item[1] for item in items]

		# Current avar requirements.  We don't have to enforce
		# these on the designer and can deduce some ourselves,
		# but for now just enforce them.
		assert axis.minimum == min(keys)
		assert axis.maximum == max(keys)
		assert axis.default in keys
		# No duplicates
		assert len(set(keys)) == len(keys)
		assert len(set(vals)) == len(vals)
		# Ascending values
		assert sorted(vals) == vals

		keys_triple = (axis.minimum, axis.default, axis.maximum)
		vals_triple = tuple(axis.map_forward(v) for v in keys_triple)

		keys = [models.normalizeValue(v, keys_triple) for v in keys]
		vals = [models.normalizeValue(v, vals_triple) for v in vals]
		curve.update(zip(keys, vals))

	if not interesting:
		log.info("No need for avar")
		avar = None

	assert "fvar" not in font
	font['fvar'] = fvar
	assert "avar" not in font
	if avar:
		font['avar'] = avar

	return fvar,avar
Beispiel #29
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 def test_decompile_withPostScriptName(self):
     inst = NamedInstance()
     inst.decompile(FVAR_INSTANCE_DATA_WITH_PSNAME, ["wght", "wdth"])
     self.assertEqual(564, inst.postscriptNameID)
     self.assertEqual(345, inst.subfamilyNameID)
     self.assertEqual({"wght": 0.7, "wdth": 0.5}, inst.coordinates)
Beispiel #30
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def _add_fvar_avar(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 / avar")

    fvar = newTable('fvar')
    nameTable = font['name']

    for a in axes.values():
        axis = Axis()
        axis.axisTag = Tag(a.tag)
        axis.minValue, axis.defaultValue, axis.maxValue = a.minimum, a.default, a.maximum
        axis.axisNameID = nameTable.addName(tounicode(a.labelname['en']))
        # TODO:
        # Replace previous line with the following when the following issues are resolved:
        # https://github.com/fonttools/fonttools/issues/930
        # https://github.com/fonttools/fonttools/issues/931
        # axis.axisNameID = nameTable.addMultilingualName(a.labelname, font)
        fvar.axes.append(axis)

    for instance in instances:
        coordinates = instance['location']
        name = tounicode(instance['stylename'])
        psname = instance.get('postscriptfontname')

        inst = NamedInstance()
        inst.subfamilyNameID = nameTable.addName(name)
        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()
        }
        fvar.instances.append(inst)

    avar = newTable('avar')
    interesting = False
    for axis in axes.values():
        curve = avar.segments[axis.tag] = {}
        if not axis.map or all(k == v for k, v in axis.map.items()):
            continue
        interesting = True

        items = sorted(axis.map.items())
        keys = [item[0] for item in items]
        vals = [item[1] for item in items]

        # Current avar requirements.  We don't have to enforce
        # these on the designer and can deduce some ourselves,
        # but for now just enforce them.
        assert axis.minimum == min(keys)
        assert axis.maximum == max(keys)
        assert axis.default in keys
        # No duplicates
        assert len(set(keys)) == len(keys)
        assert len(set(vals)) == len(vals)
        # Ascending values
        assert sorted(vals) == vals

        keys_triple = (axis.minimum, axis.default, axis.maximum)
        vals_triple = tuple(axis.map_forward(v) for v in keys_triple)

        keys = [models.normalizeValue(v, keys_triple) for v in keys]
        vals = [models.normalizeValue(v, vals_triple) for v in vals]
        curve.update(zip(keys, vals))

    if not interesting:
        log.info("No need for avar")
        avar = None

    assert "fvar" not in font
    font['fvar'] = fvar
    assert "avar" not in font
    if avar:
        font['avar'] = avar

    return fvar, avar
Beispiel #31
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 def test_decompile_withoutPostScriptName(self):
     inst = NamedInstance()
     inst.decompile(FVAR_INSTANCE_DATA_WITHOUT_PSNAME, ["wght", "wdth"])
     self.assertEqual(0xFFFF, inst.postscriptNameID)
     self.assertEqual(345, inst.subfamilyNameID)
     self.assertEqual({"wght": 0.7, "wdth": 0.5}, inst.coordinates)
Beispiel #32
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 def test_decompile(self):
     inst = NamedInstance()
     inst.decompile(FVAR_INSTANCE_DATA, ["wght", "wdth"])
     self.assertEqual(345, inst.nameID)
     self.assertEqual({"wght": 0.7, "wdth": 0.5}, inst.coordinates)
Beispiel #33
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 def test_compile(self):
     inst = NamedInstance()
     inst.nameID = 345
     inst.coordinates = {"wght": 0.7, "wdth": 0.5}
     self.assertEqual(FVAR_INSTANCE_DATA, inst.compile(["wght", "wdth"]))
Beispiel #34
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 def test_compile(self):
     inst = NamedInstance()
     inst.nameID = 345
     inst.coordinates = {"wght": 0.7, "wdth": 0.5}
     self.assertEqual(FVAR_INSTANCE_DATA, inst.compile(["wght", "wdth"]))