def _generate_color_font(config: ColorFontConfig,
inputs: Iterable[InputGlyph]):
"""Make a UFO and optionally a TTFont from svgs."""
ufo = _ufo(config.family, config.upem, config.keep_glyph_names)
_ensure_codepoints_will_have_glyphs(ufo, inputs)
base_gid = len(ufo.glyphOrder)
color_glyphs = [
ColorGlyph.create(ufo, filename, base_gid + idx, codepoints, psvg)
for idx, (filename, codepoints, psvg) in enumerate(inputs)
]
ufo.glyphOrder = ufo.glyphOrder + [g.glyph_name for g in color_glyphs]
for g in color_glyphs:
assert g.glyph_id == ufo.glyphOrder.index(g.glyph_name)
_COLOR_FORMAT_GENERATORS[config.color_format].apply_ufo(ufo, color_glyphs)
with open(config.fea_file) as f:
ufo.features.text = f.read()
logging.debug("fea:\n%s\n" % ufo.features.text)
ttfont = _make_ttfont(config, ufo, color_glyphs)
# TODO may wish to nuke 'post' glyph names
return ufo, ttfont
def _generate_color_font(config, glyph_inputs):
"""Make a UFO and optionally a TTFont from svgs.
Args:
color_font_config: ColorFontConfig
glyph_inputs: sequence of (filename, codepoints, nanosvg) tuples
"""
ufo = _ufo(config.family, config.upem)
_ensure_codepoints_will_have_glyphs(ufo, glyph_inputs)
base_gid = len(ufo.glyphOrder)
color_glyphs = [
ColorGlyph.create(ufo, filename, base_gid + idx, codepoints, nsvg)
for idx, (filename, codepoints, nsvg) in enumerate(glyph_inputs)
]
ufo.glyphOrder = ufo.glyphOrder + [g.glyph_name for g in color_glyphs]
for g in color_glyphs:
assert g.glyph_id == ufo.glyphOrder.index(g.glyph_name)
_COLOR_FORMAT_GENERATORS[config.color_format].apply_ufo(ufo, color_glyphs)
ufo.features.text = _generate_fea([(c.codepoints, c.glyph_name)
for c in color_glyphs])
logging.debug("fea:\n%s\n" % ufo.features.text)
ttfont = _make_ttfont(config, ufo, color_glyphs)
# TODO may wish to nuke 'post' glyph names
return ufo, ttfont
def _generate_color_font(config: FontConfig, inputs: Iterable[InputGlyph]):
"""Make a UFO and optionally a TTFont from svgs."""
ufo = _ufo(config)
_ensure_codepoints_will_have_glyphs(ufo, inputs)
base_gid = len(ufo.glyphOrder)
color_glyphs = tuple(
ColorGlyph.create(
config,
ufo,
str(glyph_input.svg_file),
base_gid + idx,
glyph_input.glyph_name,
glyph_input.codepoints,
glyph_input.svg,
) for idx, glyph_input in enumerate(inputs))
# TODO: Optimize glyphOrder so that color glyphs sharing the same clip box
# values are placed next to one another in continuous ranges, to minimize number
# of COLRv1 ClipRecords
ufo.glyphOrder = ufo.glyphOrder + [g.glyph_name for g in color_glyphs]
for g in color_glyphs:
assert g.glyph_id == ufo.glyphOrder.index(g.glyph_name)
_COLOR_FORMAT_GENERATORS[config.color_format].apply_ufo(
config, ufo, color_glyphs)
with open(config.fea_file) as f:
ufo.features.text = f.read()
logging.debug("fea:\n%s\n" % ufo.features.text)
ttfont = _make_ttfont(config, ufo, color_glyphs)
# TODO may wish to nuke 'post' glyph names
return ufo, ttfont
def test_paint_from_shape(svg_in, expected_paints):
color_glyph = ColorGlyph.create(_ufo(1000), "duck", 1, [0x0042],
_nsvg(svg_in))
assert {
_round_gradient_coordinates(paint)
for paint in color_glyph.paints()
} == expected_paints
def test_transform(view_box, upem, expected_transform):
svg_str = ('<svg version="1.1"'
' xmlns="http://www.w3.org/2000/svg"'
f' viewBox="{view_box}"'
"/>")
color_glyph = ColorGlyph.create(_ufo(upem), "duck", 1, [0x0042],
SVG.fromstring(svg_str))
assert color_glyph.transform_for_font_space() == pytest.approx(
expected_transform)
def test_color_glyph_layers(svg_in, expected_paints):
config = FontConfig(upem=1000, ascender=1000, descender=0, width=1000)
color_glyph = ColorGlyph.create(
config, _ufo(config), "duck", 1, "g_name", [0x0042],
_nsvg(svg_in)).mutating_traverse(_round_coords)
actual_paints = color_glyph.painted_layers
if actual_paints != expected_paints:
print("A:")
print(_pprint(actual_paints))
print("E:")
print(_pprint(expected_paints))
assert actual_paints == expected_paints
def test_transform_and_width(view_box, upem, width, ascender, descender,
expected_transform, expected_width):
svg_str = ('<svg version="1.1"'
' xmlns="http://www.w3.org/2000/svg"'
f' viewBox="{view_box}"'
"><defs/></svg>")
config = FontConfig(upem=upem,
width=width,
ascender=ascender,
descender=descender).validate()
ufo = _ufo(config)
color_glyph = ColorGlyph.create(config, ufo, "duck", 1, "glyph_name",
[0x0042], SVG.fromstring(svg_str))
assert color_glyph.transform_for_font_space() == pytest.approx(
expected_transform)
assert ufo[color_glyph.glyph_name].width == expected_width
def test_paint_from_shape(svg_in, expected_paints):
color_glyph = ColorGlyph.create(_ufo(256), "duck", 1, [0x0042], _nsvg(svg_in))
assert color_glyph.paints() == expected_paints