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import io
import itertools
from fontTools.misc.py23 import *
from fontTools import ttLib
from fontTools.ttLib.tables._g_l_y_f import Glyph
from fontTools.fontBuilder import FontBuilder
from fontTools.merge import *
import unittest
import pytest
class MergeIntegrationTest(unittest.TestCase):
# TODO
pass
class gaspMergeUnitTest(unittest.TestCase):
def setUp(self):
self.merger = Merger()
self.table1 = ttLib.newTable('gasp')
self.table1.version = 1
self.table1.gaspRange = {
0x8: 0xA ,
0x10: 0x5,
}
self.table2 = ttLib.newTable('gasp')
self.table2.version = 1
self.table2.gaspRange = {
0x6: 0xB ,
0xFF: 0x4,
}
self.result = ttLib.newTable('gasp')
def test_gasp_merge_basic(self):
result = self.result.merge(self.merger, [self.table1, self.table2])
self.assertEqual(result, self.table1)
result = self.result.merge(self.merger, [self.table2, self.table1])
self.assertEqual(result, self.table2)
def test_gasp_merge_notImplemented(self):
result = self.result.merge(self.merger, [NotImplemented, self.table1])
self.assertEqual(result, NotImplemented)
result = self.result.merge(self.merger, [self.table1, NotImplemented])
self.assertEqual(result, self.table1)
class CmapMergeUnitTest(unittest.TestCase):
def setUp(self):
self.merger = Merger()
self.table1 = ttLib.newTable('cmap')
self.table2 = ttLib.newTable('cmap')
self.mergedTable = ttLib.newTable('cmap')
pass
def tearDown(self):
pass
def makeSubtable(self, format, platformID, platEncID, cmap):
module = ttLib.getTableModule('cmap')
subtable = module.cmap_classes[format](format)
(subtable.platformID,
subtable.platEncID,
subtable.language,
subtable.cmap) = (platformID, platEncID, 0, cmap)
return subtable
# 4-3-1 table merged with 12-3-10 table with no dupes with codepoints outside BMP
def test_cmap_merge_no_dupes(self):
table1 = self.table1
table2 = self.table2
mergedTable = self.mergedTable
cmap1 = {0x2603: 'SNOWMAN'}
table1.tables = [self.makeSubtable(4,3,1, cmap1)]
cmap2 = {0x26C4: 'SNOWMAN WITHOUT SNOW'}
cmap2Extended = {0x1F93C: 'WRESTLERS'}
cmap2Extended.update(cmap2)
table2.tables = [self.makeSubtable(4,3,1, cmap2), self.makeSubtable(12,3,10, cmap2Extended)]
self.merger.alternateGlyphsPerFont = [{},{}]
mergedTable.merge(self.merger, [table1, table2])
expectedCmap = cmap2.copy()
expectedCmap.update(cmap1)
expectedCmapExtended = cmap2Extended.copy()
expectedCmapExtended.update(cmap1)
self.assertEqual(mergedTable.numSubTables, 2)
self.assertEqual([(table.format, table.platformID, table.platEncID, table.language) for table in mergedTable.tables],
[(4,3,1,0),(12,3,10,0)])
self.assertEqual(mergedTable.tables[0].cmap, expectedCmap)
self.assertEqual(mergedTable.tables[1].cmap, expectedCmapExtended)
# Tests Issue #322
def test_cmap_merge_three_dupes(self):
table1 = self.table1
table2 = self.table2
mergedTable = self.mergedTable
cmap1 = {0x20: 'space#0', 0xA0: 'space#0'}
table1.tables = [self.makeSubtable(4,3,1,cmap1)]
cmap2 = {0x20: 'space#1', 0xA0: 'uni00A0#1'}
table2.tables = [self.makeSubtable(4,3,1,cmap2)]
self.merger.duplicateGlyphsPerFont = [{},{}]
mergedTable.merge(self.merger, [table1, table2])
expectedCmap = cmap1.copy()
self.assertEqual(mergedTable.numSubTables, 1)
table = mergedTable.tables[0]
self.assertEqual((table.format, table.platformID, table.platEncID, table.language), (4,3,1,0))
self.assertEqual(table.cmap, expectedCmap)
self.assertEqual(self.merger.duplicateGlyphsPerFont, [{}, {'space#0': 'space#1'}])
def _compile(ttFont):
buf = io.BytesIO()
ttFont.save(buf)
buf.seek(0)
return buf
def _make_fontfile_with_OS2(*, version, **kwargs):
upem = 1000
glyphOrder = [".notdef", "a"]
cmap = {0x61: "a"}
glyphs = {gn: Glyph() for gn in glyphOrder}
hmtx = {gn: (500, 0) for gn in glyphOrder}
names = {"familyName": "TestOS2", "styleName": "Regular"}
fb = FontBuilder(unitsPerEm=upem)
fb.setupGlyphOrder(glyphOrder)
fb.setupCharacterMap(cmap)
fb.setupGlyf(glyphs)
fb.setupHorizontalMetrics(hmtx)
fb.setupHorizontalHeader()
fb.setupNameTable(names)
fb.setupOS2(version=version, **kwargs)
return _compile(fb.font)
def _merge_and_recompile(fontfiles, options=None):
merger = Merger(options)
merged = merger.merge(fontfiles)
buf = _compile(merged)
return ttLib.TTFont(buf)
@pytest.mark.parametrize(
"v1, v2", list(itertools.permutations(range(5+1), 2))
)
def test_merge_OS2_mixed_versions(v1, v2):
# https://github.com/fonttools/fonttools/issues/1865
fontfiles = [
_make_fontfile_with_OS2(version=v1),
_make_fontfile_with_OS2(version=v2),
]
merged = _merge_and_recompile(fontfiles)
assert merged["OS/2"].version == max(v1, v2)
if __name__ == "__main__":
import sys
sys.exit(unittest.main())
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