diff options
Diffstat (limited to 'Tests/ttLib/tables/_a_v_a_r_test.py')
| -rw-r--r-- | Tests/ttLib/tables/_a_v_a_r_test.py | 133 |
1 files changed, 109 insertions, 24 deletions
diff --git a/Tests/ttLib/tables/_a_v_a_r_test.py b/Tests/ttLib/tables/_a_v_a_r_test.py index 429ca2e8..dbe07b3a 100644 --- a/Tests/ttLib/tables/_a_v_a_r_test.py +++ b/Tests/ttLib/tables/_a_v_a_r_test.py @@ -1,9 +1,13 @@ from fontTools.misc.testTools import parseXML from fontTools.misc.textTools import deHexStr from fontTools.misc.xmlWriter import XMLWriter -from fontTools.ttLib import TTLibError +from fontTools.misc.fixedTools import floatToFixed as fl2fi +from fontTools.ttLib import TTFont, TTLibError +import fontTools.ttLib.tables.otTables as otTables from fontTools.ttLib.tables._a_v_a_r import table__a_v_a_r from fontTools.ttLib.tables._f_v_a_r import table__f_v_a_r, Axis +import fontTools.varLib.models as models +import fontTools.varLib.varStore as varStore from io import BytesIO import unittest @@ -11,7 +15,8 @@ import unittest TEST_DATA = deHexStr( "00 01 00 00 00 00 00 02 " "00 04 C0 00 C0 00 00 00 00 00 13 33 33 33 40 00 40 00 " - "00 03 C0 00 C0 00 00 00 00 00 40 00 40 00") + "00 03 C0 00 C0 00 00 00 00 00 40 00 40 00" +) class AxisVariationTableTest(unittest.TestCase): @@ -35,43 +40,45 @@ class AxisVariationTableTest(unittest.TestCase): def test_decompile(self): avar = table__a_v_a_r() avar.decompile(TEST_DATA, self.makeFont(["wdth", "wght"])) - self.assertAvarAlmostEqual({ - "wdth": {-1.0: -1.0, 0.0: 0.0, 0.2999878: 0.7999878, 1.0: 1.0}, - "wght": {-1.0: -1.0, 0.0: 0.0, 1.0: 1.0} - }, avar.segments) - - def test_decompile_unsupportedVersion(self): - avar = table__a_v_a_r() - font = self.makeFont(["wdth", "wght"]) - self.assertRaises(TTLibError, avar.decompile, deHexStr("02 01 03 06 00 00 00 00"), font) + self.assertAvarAlmostEqual( + { + "wdth": {-1.0: -1.0, 0.0: 0.0, 0.2999878: 0.7999878, 1.0: 1.0}, + "wght": {-1.0: -1.0, 0.0: 0.0, 1.0: 1.0}, + }, + avar.segments, + ) def test_toXML(self): avar = table__a_v_a_r() avar.segments["opsz"] = {-1.0: -1.0, 0.0: 0.0, 0.2999878: 0.7999878, 1.0: 1.0} writer = XMLWriter(BytesIO()) avar.toXML(writer, self.makeFont(["opsz"])) - self.assertEqual([ - '<segment axis="opsz">', + self.assertEqual( + [ + '<version major="1" minor="0"/>', + '<segment axis="opsz">', '<mapping from="-1.0" to="-1.0"/>', '<mapping from="0.0" to="0.0"/>', '<mapping from="0.3" to="0.8"/>', '<mapping from="1.0" to="1.0"/>', - '</segment>' - ], self.xml_lines(writer)) + "</segment>", + ], + self.xml_lines(writer), + ) def test_fromXML(self): avar = table__a_v_a_r() for name, attrs, content in parseXML( - '<segment axis="wdth">' - ' <mapping from="-1.0" to="-1.0"/>' - ' <mapping from="0.0" to="0.0"/>' - ' <mapping from="0.7" to="0.2"/>' - ' <mapping from="1.0" to="1.0"/>' - '</segment>'): + '<segment axis="wdth">' + ' <mapping from="-1.0" to="-1.0"/>' + ' <mapping from="0.0" to="0.0"/>' + ' <mapping from="0.7" to="0.2"/>' + ' <mapping from="1.0" to="1.0"/>' + "</segment>" + ): avar.fromXML(name, attrs, content, ttFont=None) self.assertAvarAlmostEqual( - {"wdth": {-1: -1, 0: 0, 0.7000122: 0.2000122, 1.0: 1.0}}, - avar.segments + {"wdth": {-1: -1, 0: 0, 0.7000122: 0.2000122, 1.0: 1.0}}, avar.segments ) @staticmethod @@ -82,7 +89,9 @@ class AxisVariationTableTest(unittest.TestCase): axis = Axis() axis.axisTag = tag fvar.axes.append(axis) - return {"fvar": fvar} + font = TTFont() + font["fvar"] = fvar + return font @staticmethod def xml_lines(writer): @@ -90,6 +99,82 @@ class AxisVariationTableTest(unittest.TestCase): return [line.strip() for line in content.splitlines()][1:] +class Avar2Test(unittest.TestCase): + def test(self): + axisTags = ["wght", "wdth"] + fvar = table__f_v_a_r() + for tag in axisTags: + axis = Axis() + axis.axisTag = tag + fvar.axes.append(axis) + + master_locations_normalized = [ + {}, + {"wght": 1, "wdth": -1}, + ] + data = [ + {}, + {"wdth": -0.8}, + ] + + model = models.VariationModel(master_locations_normalized, axisTags) + store_builder = varStore.OnlineVarStoreBuilder(axisTags) + store_builder.setModel(model) + varIdxes = {} + for axis in axisTags: + masters = [fl2fi(m.get(axis, 0), 14) for m in data] + varIdxes[axis] = store_builder.storeMasters(masters)[1] + store = store_builder.finish() + mapping = store.optimize() + varIdxes = {axis: mapping[value] for axis, value in varIdxes.items()} + del model, store_builder, mapping + + varIdxMap = otTables.DeltaSetIndexMap() + varIdxMap.Format = 1 + varIdxMap.mapping = [] + for tag in axisTags: + varIdxMap.mapping.append(varIdxes[tag]) + + avar = table__a_v_a_r() + avar.segments["wght"] = {} + avar.segments["wdth"] = {-1.0: -1.0, 0.0: 0.0, 0.4: 0.5, 1.0: 1.0} + + avar.majorVersion = 2 + avar.table = otTables.avar() + avar.table.VarIdxMap = varIdxMap + avar.table.VarStore = store + + font = TTFont() + font["fvar"] = fvar + font["avar"] = avar + + b = BytesIO() + font.save(b) + b.seek(0) + font2 = TTFont(b) + + assert font2["avar"].table.VarStore.VarRegionList.RegionAxisCount == 2 + assert font2["avar"].table.VarStore.VarRegionList.RegionCount == 1 + + xml1 = BytesIO() + writer = XMLWriter(xml1) + font["avar"].toXML(writer, font) + + xml2 = BytesIO() + writer = XMLWriter(xml2) + font2["avar"].toXML(writer, font2) + + assert xml1.getvalue() == xml2.getvalue(), (xml1.getvalue(), xml2.getvalue()) + + avar = table__a_v_a_r() + xml = b"".join(xml2.getvalue().splitlines()[1:]) + for name, attrs, content in parseXML(xml): + avar.fromXML(name, attrs, content, ttFont=TTFont()) + assert avar.table.VarStore.VarRegionList.RegionAxisCount == 2 + assert avar.table.VarStore.VarRegionList.RegionCount == 1 + + if __name__ == "__main__": import sys + sys.exit(unittest.main()) |