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fonttools/Tests/colorLib/unbuilder_test.py

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COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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from fontTools.ttLib.tables import otTables as ot
from fontTools.colorLib.builder import buildColrV1
from fontTools.colorLib.unbuilder import unbuildColrV1
import pytest
TEST_COLOR_GLYPHS = {
Generic build fns
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"glyph00010": (
ot.PaintFormat.PaintColrLayers,
[
{
"Format": int(ot.PaintFormat.PaintGlyph),
"Glyph": "glyph00011",
"Paint": {
"Format": int(ot.PaintFormat.PaintSolid),
"Color": {
"PaletteIndex": 2,
"Alpha": 0.5,
},
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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},
},
Generic build fns
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{
"Format": int(ot.PaintFormat.PaintGlyph),
"Glyph": "glyph00012",
"Paint": {
"Format": int(ot.PaintFormat.PaintLinearGradient),
"ColorLine": {
"ColorStop": [
{
"StopOffset": 0.0,
"Color": {"PaletteIndex": 3, "Alpha": 1.0},
},
{
"StopOffset": 0.5,
"Color": {"PaletteIndex": 4, "Alpha": 1.0},
},
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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{
Generic build fns
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"StopOffset": 1.0,
"Color": {"PaletteIndex": 5, "Alpha": 1.0},
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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},
],
Generic build fns
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"Extend": "repeat",
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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},
Generic build fns
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"x0": 1,
"y0": 2,
"x1": -3,
"y1": -4,
"x2": 5,
"y2": 6,
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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},
},
Generic build fns
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{
"Format": int(ot.PaintFormat.PaintGlyph),
"Glyph": "glyph00013",
"Paint": {
"Format": int(ot.PaintFormat.PaintTransform),
"Transform": (-13.0, 14.0, 15.0, -17.0, 18.0, 19.0),
"Paint": {
"Format": int(ot.PaintFormat.PaintRadialGradient),
"ColorLine": {
"ColorStop": [
{
"StopOffset": 0.0,
"Color": {"PaletteIndex": 6, "Alpha": 1.0},
},
{
"StopOffset": 1.0,
"Color": {
"PaletteIndex": 7,
"Alpha": 0.4,
},
},
],
"Extend": "pad",
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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},
Generic build fns
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"x0": 7,
"y0": 8,
"r0": 9,
"x1": 10,
"y1": 11,
"r1": 12,
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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},
},
},
Generic build fns
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{
"Format": int(ot.PaintFormat.PaintTranslate),
"dx": 257.0,
"dy": 258.0,
"Paint": {
"Format": int(ot.PaintFormat.PaintRotate),
"angle": 45.0,
"centerX": 255.0,
"centerY": 256.0,
"Paint": {
"Format": int(ot.PaintFormat.PaintSkew),
"xSkewAngle": -11.0,
"ySkewAngle": 5.0,
"centerX": 253.0,
"centerY": 254.0,
"Paint": {
"Format": int(ot.PaintFormat.PaintGlyph),
"Glyph": "glyph00011",
"Paint": {
"Format": int(ot.PaintFormat.PaintSolid),
"Color": {
"PaletteIndex": 2,
"Alpha": 0.5,
},
},
},
},
},
},
],
),
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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"glyph00014": {
Generic build fns
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"Format": int(ot.PaintFormat.PaintComposite),
"CompositeMode": "src_over",
"SourcePaint": {
"Format": int(ot.PaintFormat.PaintColrGlyph),
"Glyph": "glyph00010",
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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},
Generic build fns
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"BackdropPaint": {
"Format": int(ot.PaintFormat.PaintTransform),
"Transform": (1.0, 0.0, 0.0, 1.0, 300.0, 0.0),
"Paint": {
"Format": int(ot.PaintFormat.PaintColrGlyph),
"Glyph": "glyph00010",
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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},
},
},
add unbuildPaintSweepGradient
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"glyph00015": {
Generic build fns
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"Format": int(ot.PaintFormat.PaintGlyph),
"Glyph": "glyph00011",
"Paint": {
"Format": int(ot.PaintFormat.PaintSweepGradient),
"ColorLine": {
"ColorStop": [
{"StopOffset": 0.0, "Color": {"PaletteIndex": 3, "Alpha": 1.0}},
{"StopOffset": 1.0, "Color": {"PaletteIndex": 5, "Alpha": 1.0}},
add unbuildPaintSweepGradient
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],
Generic build fns
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"Extend": "pad",
add unbuildPaintSweepGradient
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},
"centerX": 259,
"centerY": 300,
"startAngle": 45.0,
"endAngle": 135.0,
},
},
Generic build fns
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"glyph00016": (
ot.PaintFormat.PaintColrLayers,
[
{
"Format": int(ot.PaintFormat.PaintGlyph),
"Glyph": "glyph00011",
"Paint": {
"Format": int(ot.PaintFormat.PaintSolid),
"Color": {
"PaletteIndex": 2,
"Alpha": 0.5,
},
},
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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},
Generic build fns
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{
"Format": int(ot.PaintFormat.PaintGlyph),
"Glyph": "glyph00012",
"Paint": {
"Format": int(ot.PaintFormat.PaintLinearGradient),
"ColorLine": {
"ColorStop": [
{
"StopOffset": 0.0,
"Color": {"PaletteIndex": 3, "Alpha": 1.0},
},
{
"StopOffset": 0.5,
"Color": {"PaletteIndex": 4, "Alpha": 1.0},
},
{
"StopOffset": 1.0,
"Color": {"PaletteIndex": 5, "Alpha": 1.0},
},
],
"Extend": "repeat",
},
"x0": 1,
"y0": 2,
"x1": -3,
"y1": -4,
"x2": 5,
"y2": 6,
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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},
},
Generic build fns
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],
),
COLRv1: add functions to un-build COLR otTables to raw dicts This adds an unbuildColrV1 which does the inverse of colorLib.builder.buildColrV1. Takes a LayerV1List and BaseGlypV1List and returns a map of base glyphs to raw data structures (list, dict, float, str, etc.). Useful not only for debugging purpose, but also for implementing COLRv1 subsetting (where we need to drop whole chunks of paints which may be reused by multiple glyphs).
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}
def test_unbuildColrV1():
layersV1, baseGlyphsV1 = buildColrV1(TEST_COLOR_GLYPHS)
colorGlyphs = unbuildColrV1(layersV1, baseGlyphsV1, ignoreVarIdx=True)
assert colorGlyphs == TEST_COLOR_GLYPHS
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