def featureVarsTestFont(): fb = FontBuilder(unitsPerEm=100) fb.setupGlyphOrder([".notdef", "f", "f_f", "dollar", "dollar.rvrn"]) fb.setupCharacterMap({ord("f"): "f", ord("$"): "dollar"}) fb.setupNameTable({ "familyName": "TestFeatureVars", "styleName": "Regular" }) fb.setupPost() fb.setupFvar(axes=[("wght", 100, 400, 900, "Weight")], instances=[]) fb.addOpenTypeFeatures("""\ feature dlig { sub f f by f_f; } dlig; """) fb.addFeatureVariations([([{ "wght": (0.20886, 1.0) }], { "dollar": "dollar.rvrn" })], featureTag="rvrn") buf = io.BytesIO() fb.save(buf) buf.seek(0) return TTFont(buf)
def test_subset_feature_variations(): fb = FontBuilder(unitsPerEm=100) fb.setupGlyphOrder([".notdef", "f", "f_f", "dollar", "dollar.rvrn"]) fb.setupCharacterMap({ord("f"): "f", ord("$"): "dollar"}) fb.setupNameTable({ "familyName": "TestFeatureVars", "styleName": "Regular" }) fb.setupPost() fb.setupFvar(axes=[("wght", 100, 400, 900, "Weight")], instances=[]) fb.addOpenTypeFeatures("""\ feature dlig { sub f f by f_f; } dlig; """) fb.addFeatureVariations([([{ "wght": (0.20886, 1.0) }], { "dollar": "dollar.rvrn" })], featureTag="rvrn") buf = io.BytesIO() fb.save(buf) buf.seek(0) font = TTFont(buf) options = subset.Options() subsetter = subset.Subsetter(options) subsetter.populate(unicodes=[ord("f"), ord("$")]) subsetter.subset(font) featureTags = { r.FeatureTag for r in font["GSUB"].table.FeatureList.FeatureRecord } # 'dlig' is discretionary so it is dropped by default assert "dlig" not in featureTags assert "f_f" not in font.getGlyphOrder() # 'rvrn' is required so it is kept by default assert "rvrn" in featureTags assert "dollar.rvrn" in font.getGlyphOrder()
def test_build_var(tmpdir): outPath = os.path.join(str(tmpdir), "test_var.ttf") fb = FontBuilder(1024, isTTF=True) fb.setupGlyphOrder([".notdef", ".null", "A", "a"]) fb.setupCharacterMap({65: "A", 97: "a"}) advanceWidths = {".notdef": 600, "A": 600, "a": 600, ".null": 600} familyName = "HelloTestFont" styleName = "TotallyNormal" nameStrings = dict(familyName=dict(en="HelloTestFont", nl="HalloTestFont"), styleName=dict(en="TotallyNormal", nl="TotaalNormaal")) nameStrings['psName'] = familyName + "-" + styleName pen = TTGlyphPen(None) pen.moveTo((100, 0)) pen.lineTo((100, 400)) pen.lineTo((500, 400)) pen.lineTo((500, 000)) pen.closePath() glyph = pen.glyph() pen = TTGlyphPen(None) emptyGlyph = pen.glyph() glyphs = { ".notdef": emptyGlyph, "A": glyph, "a": glyph, ".null": emptyGlyph } fb.setupGlyf(glyphs) metrics = {} glyphTable = fb.font["glyf"] for gn, advanceWidth in advanceWidths.items(): metrics[gn] = (advanceWidth, glyphTable[gn].xMin) fb.setupHorizontalMetrics(metrics) fb.setupHorizontalHeader(ascent=824, descent=200) fb.setupNameTable(nameStrings) axes = [ ('LEFT', 0, 0, 100, "Left"), ('RGHT', 0, 0, 100, "Right"), ('UPPP', 0, 0, 100, "Up"), ('DOWN', 0, 0, 100, "Down"), ] instances = [ dict(location=dict(LEFT=0, RGHT=0, UPPP=0, DOWN=0), stylename="TotallyNormal"), dict(location=dict(LEFT=0, RGHT=100, UPPP=100, DOWN=0), stylename="Right Up"), ] fb.setupFvar(axes, instances) variations = {} # Four (x, y) pairs and four phantom points: leftDeltas = [(-200, 0), (-200, 0), (0, 0), (0, 0), None, None, None, None] rightDeltas = [(0, 0), (0, 0), (200, 0), (200, 0), None, None, None, None] upDeltas = [(0, 0), (0, 200), (0, 200), (0, 0), None, None, None, None] downDeltas = [(0, -200), (0, 0), (0, 0), (0, -200), None, None, None, None] variations['a'] = [ TupleVariation(dict(RGHT=(0, 1, 1)), rightDeltas), TupleVariation(dict(LEFT=(0, 1, 1)), leftDeltas), TupleVariation(dict(UPPP=(0, 1, 1)), upDeltas), TupleVariation(dict(DOWN=(0, 1, 1)), downDeltas), ] fb.setupGvar(variations) fb.setupOS2() fb.setupPost() fb.setupDummyDSIG() fb.save(outPath) _verifyOutput(outPath)
def test_build_var(tmpdir): outPath = os.path.join(str(tmpdir), "test_var.ttf") fb = FontBuilder(1024, isTTF=True) fb.setupGlyphOrder([".notdef", ".null", "A", "a"]) fb.setupCharacterMap({65: "A", 97: "a"}) advanceWidths = {".notdef": 600, "A": 600, "a": 600, ".null": 600} familyName = "HelloTestFont" styleName = "TotallyNormal" nameStrings = dict(familyName=dict(en="HelloTestFont", nl="HalloTestFont"), styleName=dict(en="TotallyNormal", nl="TotaalNormaal")) nameStrings['psName'] = familyName + "-" + styleName pen = TTGlyphPen(None) pen.moveTo((100, 0)) pen.lineTo((100, 400)) pen.lineTo((500, 400)) pen.lineTo((500, 000)) pen.closePath() glyph = pen.glyph() pen = TTGlyphPen(None) emptyGlyph = pen.glyph() glyphs = {".notdef": emptyGlyph, "A": glyph, "a": glyph, ".null": emptyGlyph} fb.setupGlyf(glyphs) metrics = {} glyphTable = fb.font["glyf"] for gn, advanceWidth in advanceWidths.items(): metrics[gn] = (advanceWidth, glyphTable[gn].xMin) fb.setupHorizontalMetrics(metrics) fb.setupHorizontalHeader(ascent=824, descent=200) fb.setupNameTable(nameStrings) axes = [ ('LEFT', 0, 0, 100, "Left"), ('RGHT', 0, 0, 100, "Right"), ('UPPP', 0, 0, 100, "Up"), ('DOWN', 0, 0, 100, "Down"), ] instances = [ dict(location=dict(LEFT=0, RGHT=0, UPPP=0, DOWN=0), stylename="TotallyNormal"), dict(location=dict(LEFT=0, RGHT=100, UPPP=100, DOWN=0), stylename="Right Up"), ] fb.setupFvar(axes, instances) variations = {} # Four (x, y) pairs and four phantom points: leftDeltas = [(-200, 0), (-200, 0), (0, 0), (0, 0), None, None, None, None] rightDeltas = [(0, 0), (0, 0), (200, 0), (200, 0), None, None, None, None] upDeltas = [(0, 0), (0, 200), (0, 200), (0, 0), None, None, None, None] downDeltas = [(0, -200), (0, 0), (0, 0), (0, -200), None, None, None, None] variations['a'] = [ TupleVariation(dict(RGHT=(0, 1, 1)), rightDeltas), TupleVariation(dict(LEFT=(0, 1, 1)), leftDeltas), TupleVariation(dict(UPPP=(0, 1, 1)), upDeltas), TupleVariation(dict(DOWN=(0, 1, 1)), downDeltas), ] fb.setupGvar(variations) fb.setupOS2() fb.setupPost() fb.setupDummyDSIG() fb.save(outPath) _verifyOutput(outPath)