Start adding Tests/varLib/merger_test.py for COLRVariationMerger
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Cosimo Lupo
parent
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556
Tests/varLib/merger_test.py
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556
Tests/varLib/merger_test.py
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@ -0,0 +1,556 @@
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from copy import deepcopy
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import string
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from fontTools.colorLib.builder import LayerListBuilder
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from fontTools.misc.testTools import getXML
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from fontTools.varLib.merger import COLRVariationMerger
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from fontTools.varLib.models import VariationModel
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from fontTools.ttLib import TTFont
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from fontTools.ttLib.tables import otTables as ot
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from fontTools.ttLib.tables.otBase import OTTableReader, OTTableWriter
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import pytest
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NO_VARIATION_INDEX = ot.NO_VARIATION_INDEX
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def dump_xml(table, ttFont=None):
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xml = getXML(table.toXML, ttFont)
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print("[")
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for line in xml:
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print(f" {line!r},")
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print("]")
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return xml
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def compile_decompile(table, ttFont):
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writer = OTTableWriter(tableTag="COLR")
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table.compile(writer, ttFont)
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data = writer.getAllData()
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reader = OTTableReader(data, tableTag="COLR")
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table2 = table.__class__()
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table2.decompile(reader, ttFont)
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return table2
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@pytest.fixture
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def ttFont():
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font = TTFont()
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font.setGlyphOrder([".notdef"] + list(string.ascii_letters))
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return font
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def build_paint(data):
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return LayerListBuilder().buildPaint(data)
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class COLRVariationMergerTest:
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@pytest.mark.parametrize(
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"paints, expected_xml, expected_varIdxes",
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[
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pytest.param(
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[
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{
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"Format": int(ot.PaintFormat.PaintSolid),
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"PaletteIndex": 0,
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"Alpha": 1.0,
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},
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{
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"Format": int(ot.PaintFormat.PaintSolid),
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"PaletteIndex": 0,
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"Alpha": 1.0,
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},
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],
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[
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'<Paint Format="2"><!-- PaintSolid -->',
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' <PaletteIndex value="0"/>',
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' <Alpha value="1.0"/>',
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"</Paint>",
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],
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[],
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id="solid-same",
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),
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pytest.param(
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[
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{
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"Format": int(ot.PaintFormat.PaintSolid),
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"PaletteIndex": 0,
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"Alpha": 1.0,
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},
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{
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"Format": int(ot.PaintFormat.PaintSolid),
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"PaletteIndex": 0,
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"Alpha": 0.5,
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},
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],
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[
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'<Paint Format="3"><!-- PaintVarSolid -->',
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' <PaletteIndex value="0"/>',
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' <Alpha value="1.0"/>',
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' <VarIndexBase value="0"/>',
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"</Paint>",
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],
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[0],
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id="solid-alpha",
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),
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pytest.param(
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[
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{
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"Format": int(ot.PaintFormat.PaintLinearGradient),
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"ColorLine": {
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"Extend": int(ot.ExtendMode.PAD),
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"ColorStop": [
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{"StopOffset": 0.0, "PaletteIndex": 0, "Alpha": 1.0},
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{"StopOffset": 1.0, "PaletteIndex": 1, "Alpha": 1.0},
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],
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},
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"x0": 0,
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"y0": 0,
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"x1": 1,
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"y1": 1,
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"x2": 2,
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"y2": 2,
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},
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{
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"Format": int(ot.PaintFormat.PaintLinearGradient),
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"ColorLine": {
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"Extend": int(ot.ExtendMode.PAD),
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"ColorStop": [
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{"StopOffset": 0.1, "PaletteIndex": 0, "Alpha": 1.0},
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{"StopOffset": 0.9, "PaletteIndex": 1, "Alpha": 1.0},
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],
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},
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"x0": 0,
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"y0": 0,
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"x1": 1,
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"y1": 1,
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"x2": 2,
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"y2": 2,
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},
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],
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[
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'<Paint Format="5"><!-- PaintVarLinearGradient -->',
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" <ColorLine>",
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' <Extend value="pad"/>',
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" <!-- StopCount=2 -->",
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' <ColorStop index="0">',
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' <StopOffset value="0.0"/>',
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' <PaletteIndex value="0"/>',
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' <Alpha value="1.0"/>',
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' <VarIndexBase value="0"/>',
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" </ColorStop>",
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' <ColorStop index="1">',
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' <StopOffset value="1.0"/>',
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' <PaletteIndex value="1"/>',
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' <Alpha value="1.0"/>',
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' <VarIndexBase value="2"/>',
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" </ColorStop>",
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" </ColorLine>",
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' <x0 value="0"/>',
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' <y0 value="0"/>',
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' <x1 value="1"/>',
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' <y1 value="1"/>',
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' <x2 value="2"/>',
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' <y2 value="2"/>',
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" <VarIndexBase/>",
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"</Paint>",
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],
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[0, NO_VARIATION_INDEX, 1, NO_VARIATION_INDEX],
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id="linear_grad-stop-offsets",
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),
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pytest.param(
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[
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{
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"Format": int(ot.PaintFormat.PaintLinearGradient),
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"ColorLine": {
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"Extend": int(ot.ExtendMode.PAD),
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"ColorStop": [
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{"StopOffset": 0.0, "PaletteIndex": 0, "Alpha": 1.0},
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{"StopOffset": 1.0, "PaletteIndex": 1, "Alpha": 1.0},
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],
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},
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"x0": 0,
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"y0": 0,
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"x1": 1,
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"y1": 1,
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"x2": 2,
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"y2": 2,
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},
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{
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"Format": int(ot.PaintFormat.PaintLinearGradient),
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"ColorLine": {
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"Extend": int(ot.ExtendMode.PAD),
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"ColorStop": [
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{"StopOffset": 0.0, "PaletteIndex": 0, "Alpha": 0.5},
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{"StopOffset": 1.0, "PaletteIndex": 1, "Alpha": 1.0},
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],
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},
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"x0": 0,
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"y0": 0,
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"x1": 1,
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"y1": 1,
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"x2": 2,
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"y2": 2,
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},
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],
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[
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'<Paint Format="5"><!-- PaintVarLinearGradient -->',
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" <ColorLine>",
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' <Extend value="pad"/>',
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" <!-- StopCount=2 -->",
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' <ColorStop index="0">',
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' <StopOffset value="0.0"/>',
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' <PaletteIndex value="0"/>',
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' <Alpha value="1.0"/>',
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' <VarIndexBase value="0"/>',
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" </ColorStop>",
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' <ColorStop index="1">',
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' <StopOffset value="1.0"/>',
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' <PaletteIndex value="1"/>',
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' <Alpha value="1.0"/>',
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" <VarIndexBase/>",
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" </ColorStop>",
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" </ColorLine>",
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' <x0 value="0"/>',
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' <y0 value="0"/>',
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' <x1 value="1"/>',
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' <y1 value="1"/>',
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' <x2 value="2"/>',
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' <y2 value="2"/>',
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" <VarIndexBase/>",
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"</Paint>",
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],
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[NO_VARIATION_INDEX, 0],
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id="linear_grad-stop[0].alpha",
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),
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pytest.param(
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[
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{
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"Format": int(ot.PaintFormat.PaintSweepGradient),
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"ColorLine": {
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"Extend": int(ot.ExtendMode.REPEAT),
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"ColorStop": [
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{"StopOffset": 0.4, "PaletteIndex": 0, "Alpha": 1.0},
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{"StopOffset": 0.6, "PaletteIndex": 1, "Alpha": 1.0},
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],
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},
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"centerX": 0,
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"centerY": 0,
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"startAngle": 0,
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"endAngle": 180.0,
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},
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{
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"Format": int(ot.PaintFormat.PaintSweepGradient),
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"ColorLine": {
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"Extend": int(ot.ExtendMode.REPEAT),
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"ColorStop": [
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{"StopOffset": 0.4, "PaletteIndex": 0, "Alpha": 1.0},
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{"StopOffset": 0.6, "PaletteIndex": 1, "Alpha": 1.0},
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],
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},
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"centerX": 0,
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"centerY": 0,
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"startAngle": 90.0,
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"endAngle": 180.0,
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},
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],
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[
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'<Paint Format="9"><!-- PaintVarSweepGradient -->',
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" <ColorLine>",
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' <Extend value="repeat"/>',
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" <!-- StopCount=2 -->",
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' <ColorStop index="0">',
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' <StopOffset value="0.4"/>',
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' <PaletteIndex value="0"/>',
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' <Alpha value="1.0"/>',
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" <VarIndexBase/>",
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" </ColorStop>",
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' <ColorStop index="1">',
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' <StopOffset value="0.6"/>',
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' <PaletteIndex value="1"/>',
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' <Alpha value="1.0"/>',
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" <VarIndexBase/>",
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" </ColorStop>",
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" </ColorLine>",
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' <centerX value="0"/>',
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' <centerY value="0"/>',
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' <startAngle value="0.0"/>',
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' <endAngle value="180.0"/>',
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' <VarIndexBase value="0"/>',
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"</Paint>",
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],
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[NO_VARIATION_INDEX, NO_VARIATION_INDEX, 0, NO_VARIATION_INDEX],
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id="sweep_grad-startAngle",
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),
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pytest.param(
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[
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{
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"Format": int(ot.PaintFormat.PaintLinearGradient),
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"ColorLine": {
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"Extend": int(ot.ExtendMode.PAD),
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"ColorStop": [
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{"StopOffset": 0.0, "PaletteIndex": 0, "Alpha": 1.0},
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{"StopOffset": 1.0, "PaletteIndex": 1, "Alpha": 1.0},
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],
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},
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"x0": 0,
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"y0": 0,
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"x1": 1,
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"y1": 1,
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"x2": 2,
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"y2": 2,
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},
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{
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"Format": int(ot.PaintFormat.PaintLinearGradient),
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"ColorLine": {
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"Extend": int(ot.ExtendMode.PAD),
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"ColorStop": [
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{"StopOffset": -0.5, "PaletteIndex": 0, "Alpha": 1.0},
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{"StopOffset": 1.0, "PaletteIndex": 1, "Alpha": 1.0},
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],
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},
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"x0": 0,
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"y0": 0,
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"x1": 1,
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"y1": 1,
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"x2": 2,
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"y2": -200,
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},
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],
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[
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'<Paint Format="5"><!-- PaintVarLinearGradient -->',
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" <ColorLine>",
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' <Extend value="pad"/>',
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" <!-- StopCount=2 -->",
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' <ColorStop index="0">',
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' <StopOffset value="0.0"/>',
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' <PaletteIndex value="0"/>',
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' <Alpha value="1.0"/>',
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' <VarIndexBase value="0"/>',
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" </ColorStop>",
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' <ColorStop index="1">',
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' <StopOffset value="1.0"/>',
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' <PaletteIndex value="1"/>',
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' <Alpha value="1.0"/>',
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" <VarIndexBase/>",
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" </ColorStop>",
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" </ColorLine>",
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' <x0 value="0"/>',
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' <y0 value="0"/>',
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' <x1 value="1"/>',
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' <y1 value="1"/>',
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' <x2 value="2"/>',
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' <y2 value="2"/>',
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' <VarIndexBase value="2"/>',
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"</Paint>",
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],
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[
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0,
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NO_VARIATION_INDEX,
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NO_VARIATION_INDEX,
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NO_VARIATION_INDEX,
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NO_VARIATION_INDEX,
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NO_VARIATION_INDEX,
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NO_VARIATION_INDEX,
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1,
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],
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id="linear_grad-stop[0].offset-y2",
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),
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pytest.param(
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[
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{
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"Format": int(ot.PaintFormat.PaintRadialGradient),
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"ColorLine": {
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"Extend": int(ot.ExtendMode.PAD),
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"ColorStop": [
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{"StopOffset": 0.0, "PaletteIndex": 0, "Alpha": 1.0},
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{"StopOffset": 1.0, "PaletteIndex": 1, "Alpha": 1.0},
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],
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},
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"x0": 0,
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"y0": 0,
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"r0": 0,
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"x1": 1,
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"y1": 1,
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"r1": 1,
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},
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{
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"Format": int(ot.PaintFormat.PaintRadialGradient),
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"ColorLine": {
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"Extend": int(ot.ExtendMode.PAD),
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"ColorStop": [
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{"StopOffset": 0.1, "PaletteIndex": 0, "Alpha": 0.6},
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{"StopOffset": 0.9, "PaletteIndex": 1, "Alpha": 0.7},
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],
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},
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"x0": -1,
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"y0": -2,
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"r0": 3,
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"x1": -4,
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"y1": -5,
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"r1": 6,
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},
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],
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[
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'<Paint Format="7"><!-- PaintVarRadialGradient -->',
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" <ColorLine>",
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' <Extend value="pad"/>',
|
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" <!-- StopCount=2 -->",
|
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' <ColorStop index="0">',
|
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' <StopOffset value="0.0"/>',
|
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' <PaletteIndex value="0"/>',
|
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' <Alpha value="1.0"/>',
|
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' <VarIndexBase value="0"/>',
|
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" </ColorStop>",
|
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' <ColorStop index="1">',
|
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' <StopOffset value="1.0"/>',
|
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' <PaletteIndex value="1"/>',
|
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' <Alpha value="1.0"/>',
|
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' <VarIndexBase value="2"/>',
|
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" </ColorStop>",
|
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" </ColorLine>",
|
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' <x0 value="0"/>',
|
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' <y0 value="0"/>',
|
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' <r0 value="0"/>',
|
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' <x1 value="1"/>',
|
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' <y1 value="1"/>',
|
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' <r1 value="1"/>',
|
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' <VarIndexBase value="4"/>',
|
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"</Paint>",
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],
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[0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
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id="radial_grad-all-different",
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),
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pytest.param(
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[
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{
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"Format": int(ot.PaintFormat.PaintTransform),
|
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"Paint": {
|
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"Format": int(ot.PaintFormat.PaintRadialGradient),
|
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"ColorLine": {
|
||||
"Extend": int(ot.ExtendMode.PAD),
|
||||
"ColorStop": [
|
||||
{
|
||||
"StopOffset": 0.0,
|
||||
"PaletteIndex": 0,
|
||||
"Alpha": 1.0,
|
||||
},
|
||||
{
|
||||
"StopOffset": 1.0,
|
||||
"PaletteIndex": 1,
|
||||
"Alpha": 1.0,
|
||||
},
|
||||
],
|
||||
},
|
||||
"x0": 0,
|
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"y0": 0,
|
||||
"r0": 0,
|
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"x1": 1,
|
||||
"y1": 1,
|
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"r1": 1,
|
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},
|
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"Transform": {
|
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"xx": 1.0,
|
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"xy": 0.0,
|
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"yx": 0.0,
|
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"yy": 1.0,
|
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"dx": 0.0,
|
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"dy": 0.0,
|
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},
|
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},
|
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{
|
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"Format": int(ot.PaintFormat.PaintTransform),
|
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"Paint": {
|
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"Format": int(ot.PaintFormat.PaintRadialGradient),
|
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"ColorLine": {
|
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"Extend": int(ot.ExtendMode.PAD),
|
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"ColorStop": [
|
||||
{
|
||||
"StopOffset": 0.0,
|
||||
"PaletteIndex": 0,
|
||||
"Alpha": 1.0,
|
||||
},
|
||||
{
|
||||
"StopOffset": 1.0,
|
||||
"PaletteIndex": 1,
|
||||
"Alpha": 1.0,
|
||||
},
|
||||
],
|
||||
},
|
||||
"x0": 0,
|
||||
"y0": 0,
|
||||
"r0": 0,
|
||||
"x1": 1,
|
||||
"y1": 1,
|
||||
"r1": 1,
|
||||
},
|
||||
"Transform": {
|
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"xx": 1.0,
|
||||
"xy": 0.0,
|
||||
"yx": 0.0,
|
||||
"yy": 0.5,
|
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"dx": 0.0,
|
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"dy": -100.0,
|
||||
},
|
||||
},
|
||||
],
|
||||
[
|
||||
'<Paint Format="13"><!-- PaintVarTransform -->',
|
||||
' <Paint Format="6"><!-- PaintRadialGradient -->',
|
||||
" <ColorLine>",
|
||||
' <Extend value="pad"/>',
|
||||
" <!-- StopCount=2 -->",
|
||||
' <ColorStop index="0">',
|
||||
' <StopOffset value="0.0"/>',
|
||||
' <PaletteIndex value="0"/>',
|
||||
' <Alpha value="1.0"/>',
|
||||
" </ColorStop>",
|
||||
' <ColorStop index="1">',
|
||||
' <StopOffset value="1.0"/>',
|
||||
' <PaletteIndex value="1"/>',
|
||||
' <Alpha value="1.0"/>',
|
||||
" </ColorStop>",
|
||||
" </ColorLine>",
|
||||
' <x0 value="0"/>',
|
||||
' <y0 value="0"/>',
|
||||
' <r0 value="0"/>',
|
||||
' <x1 value="1"/>',
|
||||
' <y1 value="1"/>',
|
||||
' <r1 value="1"/>',
|
||||
" </Paint>",
|
||||
" <Transform>",
|
||||
' <xx value="1.0"/>',
|
||||
' <yx value="0.0"/>',
|
||||
' <xy value="0.0"/>',
|
||||
' <yy value="1.0"/>',
|
||||
' <dx value="0.0"/>',
|
||||
' <dy value="0.0"/>',
|
||||
' <VarIndexBase value="0"/>',
|
||||
" </Transform>",
|
||||
"</Paint>",
|
||||
],
|
||||
[
|
||||
NO_VARIATION_INDEX,
|
||||
NO_VARIATION_INDEX,
|
||||
NO_VARIATION_INDEX,
|
||||
0,
|
||||
NO_VARIATION_INDEX,
|
||||
1,
|
||||
],
|
||||
id="transform-yy-dy",
|
||||
),
|
||||
],
|
||||
)
|
||||
def test_merge_Paint(self, paints, ttFont, expected_xml, expected_varIdxes):
|
||||
paints = [build_paint(p) for p in paints]
|
||||
out = deepcopy(paints[0])
|
||||
|
||||
model = VariationModel([{}, {"ZZZZ": 1.0}])
|
||||
merger = COLRVariationMerger(model, ["ZZZZ"], ttFont)
|
||||
|
||||
merger.mergeThings(out, paints)
|
||||
|
||||
assert compile_decompile(out, ttFont) == out
|
||||
assert dump_xml(out, ttFont) == expected_xml
|
||||
assert merger.varIdxes == expected_varIdxes
|
||||
Loading…
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Reference in New Issue
Block a user