| from fontTools.misc.loggingTools import CapturingLogHandler |
| from fontTools.misc.testTools import parseXML, getXML |
| from fontTools.misc.textTools import deHexStr |
| from fontTools.ttLib import TTFont, newTable |
| from fontTools.misc.fixedTools import log |
| import os |
| import unittest |
| |
| |
| CURR_DIR = os.path.abspath(os.path.dirname(os.path.realpath(__file__))) |
| DATA_DIR = os.path.join(CURR_DIR, "data") |
| |
| HHEA_DATA = deHexStr( |
| "0001 0000 " # 1.0 version |
| "02EE " # 750 ascent |
| "FF06 " # -250 descent |
| "00C8 " # 200 lineGap |
| "03E8 " # 1000 advanceWidthMax |
| "FFE7 " # -25 minLeftSideBearing |
| "FFEC " # -20 minRightSideBearing |
| "03D1 " # 977 xMaxExtent |
| "0000 " # 0 caretSlopeRise |
| "0001 " # 1 caretSlopeRun |
| "0010 " # 16 caretOffset |
| "0000 " # 0 reserved0 |
| "0000 " # 0 reserved1 |
| "0000 " # 0 reserved2 |
| "0000 " # 0 reserved3 |
| "0000 " # 0 metricDataFormat |
| "002A " # 42 numberOfHMetrics |
| ) |
| |
| HHEA_AS_DICT = { |
| "tableTag": "hhea", |
| "tableVersion": 0x00010000, |
| "ascent": 750, |
| "descent": -250, |
| "lineGap": 200, |
| "advanceWidthMax": 1000, |
| "minLeftSideBearing": -25, |
| "minRightSideBearing": -20, |
| "xMaxExtent": 977, |
| "caretSlopeRise": 0, |
| "caretSlopeRun": 1, |
| "caretOffset": 16, |
| "reserved0": 0, |
| "reserved1": 0, |
| "reserved2": 0, |
| "reserved3": 0, |
| "metricDataFormat": 0, |
| "numberOfHMetrics": 42, |
| } |
| |
| HHEA_XML = [ |
| '<tableVersion value="0x00010000"/>', |
| '<ascent value="750"/>', |
| '<descent value="-250"/>', |
| '<lineGap value="200"/>', |
| '<advanceWidthMax value="1000"/>', |
| '<minLeftSideBearing value="-25"/>', |
| '<minRightSideBearing value="-20"/>', |
| '<xMaxExtent value="977"/>', |
| '<caretSlopeRise value="0"/>', |
| '<caretSlopeRun value="1"/>', |
| '<caretOffset value="16"/>', |
| '<reserved0 value="0"/>', |
| '<reserved1 value="0"/>', |
| '<reserved2 value="0"/>', |
| '<reserved3 value="0"/>', |
| '<metricDataFormat value="0"/>', |
| '<numberOfHMetrics value="42"/>', |
| ] |
| |
| HHEA_XML_VERSION_AS_FLOAT = [ |
| '<tableVersion value="1.0"/>', |
| ] + HHEA_XML[1:] |
| |
| |
| class HheaCompileOrToXMLTest(unittest.TestCase): |
| def setUp(self): |
| hhea = newTable("hhea") |
| hhea.tableVersion = 0x00010000 |
| hhea.ascent = 750 |
| hhea.descent = -250 |
| hhea.lineGap = 200 |
| hhea.advanceWidthMax = 1000 |
| hhea.minLeftSideBearing = -25 |
| hhea.minRightSideBearing = -20 |
| hhea.xMaxExtent = 977 |
| hhea.caretSlopeRise = 0 |
| hhea.caretSlopeRun = 1 |
| hhea.caretOffset = 16 |
| hhea.metricDataFormat = 0 |
| hhea.numberOfHMetrics = 42 |
| hhea.reserved0 = hhea.reserved1 = hhea.reserved2 = hhea.reserved3 = 0 |
| self.font = TTFont(sfntVersion="OTTO") |
| self.font["hhea"] = hhea |
| |
| def test_compile(self): |
| hhea = self.font["hhea"] |
| hhea.tableVersion = 0x00010000 |
| self.assertEqual(HHEA_DATA, hhea.compile(self.font)) |
| |
| def test_compile_version_10_as_float(self): |
| hhea = self.font["hhea"] |
| hhea.tableVersion = 1.0 |
| with CapturingLogHandler(log, "WARNING") as captor: |
| self.assertEqual(HHEA_DATA, hhea.compile(self.font)) |
| self.assertTrue( |
| len( |
| [r for r in captor.records if "Table version value is a float" in r.msg] |
| ) |
| == 1 |
| ) |
| |
| def test_toXML(self): |
| hhea = self.font["hhea"] |
| self.font["hhea"].tableVersion = 0x00010000 |
| self.assertEqual(getXML(hhea.toXML), HHEA_XML) |
| |
| def test_toXML_version_as_float(self): |
| hhea = self.font["hhea"] |
| hhea.tableVersion = 1.0 |
| with CapturingLogHandler(log, "WARNING") as captor: |
| self.assertEqual(getXML(hhea.toXML), HHEA_XML) |
| self.assertTrue( |
| len( |
| [r for r in captor.records if "Table version value is a float" in r.msg] |
| ) |
| == 1 |
| ) |
| |
| def test_aliases(self): |
| hhea = self.font["hhea"] |
| self.assertEqual(hhea.ascent, hhea.ascender) |
| self.assertEqual(hhea.descent, hhea.descender) |
| hhea.ascender = 800 |
| self.assertEqual(hhea.ascent, 800) |
| hhea.ascent = 750 |
| self.assertEqual(hhea.ascender, 750) |
| hhea.descender = -300 |
| self.assertEqual(hhea.descent, -300) |
| hhea.descent = -299 |
| self.assertEqual(hhea.descender, -299) |
| |
| |
| class HheaDecompileOrFromXMLTest(unittest.TestCase): |
| def setUp(self): |
| hhea = newTable("hhea") |
| self.font = TTFont(sfntVersion="OTTO") |
| self.font["hhea"] = hhea |
| |
| def test_decompile(self): |
| hhea = self.font["hhea"] |
| hhea.decompile(HHEA_DATA, self.font) |
| for key in hhea.__dict__: |
| self.assertEqual(getattr(hhea, key), HHEA_AS_DICT[key]) |
| |
| def test_fromXML(self): |
| hhea = self.font["hhea"] |
| for name, attrs, content in parseXML(HHEA_XML): |
| hhea.fromXML(name, attrs, content, self.font) |
| for key in hhea.__dict__: |
| self.assertEqual(getattr(hhea, key), HHEA_AS_DICT[key]) |
| |
| def test_fromXML_version_as_float(self): |
| hhea = self.font["hhea"] |
| with CapturingLogHandler(log, "WARNING") as captor: |
| for name, attrs, content in parseXML(HHEA_XML_VERSION_AS_FLOAT): |
| hhea.fromXML(name, attrs, content, self.font) |
| self.assertTrue( |
| len( |
| [r for r in captor.records if "Table version value is a float" in r.msg] |
| ) |
| == 1 |
| ) |
| for key in hhea.__dict__: |
| self.assertEqual(getattr(hhea, key), HHEA_AS_DICT[key]) |
| |
| |
| class HheaRecalcTest(unittest.TestCase): |
| def test_recalc_TTF(self): |
| font = TTFont() |
| font.importXML(os.path.join(DATA_DIR, "_h_h_e_a_recalc_TTF.ttx")) |
| hhea = font["hhea"] |
| hhea.recalc(font) |
| self.assertEqual(hhea.advanceWidthMax, 600) |
| self.assertEqual(hhea.minLeftSideBearing, -56) |
| self.assertEqual(hhea.minRightSideBearing, 100) |
| self.assertEqual(hhea.xMaxExtent, 400) |
| |
| def test_recalc_OTF(self): |
| font = TTFont() |
| font.importXML(os.path.join(DATA_DIR, "_h_h_e_a_recalc_OTF.ttx")) |
| hhea = font["hhea"] |
| hhea.recalc(font) |
| self.assertEqual(hhea.advanceWidthMax, 600) |
| self.assertEqual(hhea.minLeftSideBearing, -56) |
| self.assertEqual(hhea.minRightSideBearing, 100) |
| self.assertEqual(hhea.xMaxExtent, 400) |
| |
| def test_recalc_empty(self): |
| font = TTFont() |
| font.importXML(os.path.join(DATA_DIR, "_h_h_e_a_recalc_empty.ttx")) |
| hhea = font["hhea"] |
| hhea.recalc(font) |
| self.assertEqual(hhea.advanceWidthMax, 600) |
| self.assertEqual(hhea.minLeftSideBearing, 0) |
| self.assertEqual(hhea.minRightSideBearing, 0) |
| self.assertEqual(hhea.xMaxExtent, 0) |
| |
| |
| if __name__ == "__main__": |
| import sys |
| |
| sys.exit(unittest.main()) |
