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varLib/merger_test: test merging ClipBoxes

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This commit is contained in:
Cosimo Lupo 2022-06-28 18:23:06 +01:00
parent d85aa2d119
commit c2887caf95
1 changed files with 74 additions and 1 deletions
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75
Tests/varLib/merger_test.py
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@ -1,6 +1,6 @@
from copy import deepcopy
import string
from fontTools.colorLib.builder import LayerListBuilder
from fontTools.colorLib.builder import LayerListBuilder, buildClipList
from fontTools.misc.testTools import getXML
from fontTools.varLib.merger import COLRVariationMerger
from fontTools.varLib.models import VariationModel
@ -712,3 +712,76 @@ class COLRVariationMergerTest:
assert compile_decompile(out, ttFont) == out
assert dump_xml(out, ttFont) == expected_xml
assert merger.varIdxes == expected_varIdxes
def test_merge_ClipList(self, ttFont):
clipLists = [
buildClipList(clips)
for clips in [
{
"A": (0, 0, 1000, 1000),
"B": (0, 0, 1000, 1000),
"C": (0, 0, 1000, 1000),
"D": (0, 0, 1000, 1000),
},
{
# non-default masters' clip boxes can be 'sparse'
# (i.e. can omit explicit clip box for some glyphs)
# "A": (0, 0, 1000, 1000),
"B": (10, 0, 1000, 1000),
"C": (20, 20, 1020, 1020),
"D": (20, 20, 1020, 1020),
},
]
]
out = deepcopy(clipLists[0])
model = VariationModel([{}, {"ZZZZ": 1.0}])
merger = COLRVariationMerger(model, ["ZZZZ"], ttFont)
merger.mergeThings(out, clipLists)
assert compile_decompile(out, ttFont) == out
assert dump_xml(out, ttFont) == [
'<ClipList Format="1">',
" <Clip>",
' <Glyph value="A"/>',
' <ClipBox Format="1">',
' <xMin value="0"/>',
' <yMin value="0"/>',
' <xMax value="1000"/>',
' <yMax value="1000"/>',
" </ClipBox>",
" </Clip>",
" <Clip>",
' <Glyph value="B"/>',
' <ClipBox Format="2">',
' <xMin value="0"/>',
' <yMin value="0"/>',
' <xMax value="1000"/>',
' <yMax value="1000"/>',
' <VarIndexBase value="0"/>',
" </ClipBox>",
" </Clip>",
" <Clip>",
' <Glyph value="C"/>',
' <Glyph value="D"/>',
' <ClipBox Format="2">',
' <xMin value="0"/>',
' <yMin value="0"/>',
' <xMax value="1000"/>',
' <yMax value="1000"/>',
' <VarIndexBase value="4"/>',
" </ClipBox>",
" </Clip>",
"</ClipList>",
]
assert merger.varIdxes == [
0,
NO_VARIATION_INDEX,
NO_VARIATION_INDEX,
NO_VARIATION_INDEX,
1,
1,
1,
1,
]