def test_svg_to_colr_to_svg(svg_in, expected_svg_out, config_overrides):
config, glyph_inputs = test_helper.color_font_config(
config_overrides,
(svg_in, ),
)
_, ttfont = write_font._generate_color_font(config, glyph_inputs)
svg_before = SVG.parse(str(test_helper.locate_test_file(svg_in)))
svgs_from_font = tuple(
colr_to_svg(svg_before.view_box(), ttfont,
rounding_ndigits=3).values())
assert len(svgs_from_font) == 1
svg_expected = SVG.parse(
str(test_helper.locate_test_file(expected_svg_out)))
test_helper.svg_diff(svgs_from_font[0], svg_expected)
def _svg_root(view_box: Rect) -> etree.Element:
svg_tree = etree.parse(
str(test_helper.locate_test_file("colr_to_svg_template.svg")))
svg_root = svg_tree.getroot()
vbox = (view_box.x, view_box.y, view_box.w, view_box.h)
svg_root.attrib["viewBox"] = " ".join(ntos(v) for v in vbox)
return svg_root
def _svg_root(view_box: Rect) -> etree.Element:
svg_tree = etree.parse(
test_helper.locate_test_file("colr_to_svg_template.svg"))
svg_root = svg_tree.getroot()
svg_root.attrib[
"viewBox"] = f"{view_box.x} {view_box.y} {view_box.w} {view_box.h}"
return svg_root
def test_build_picosvg_font():
tmp_dir = _run((locate_test_file("minimal_static/config_picosvg.toml"), ))
font = TTFont(tmp_dir / "Font.ttf")
# fill=none ellipse dropped, rect became path, everything is under a group
svg_content = font["SVG "].docList[0][0]
assert _svg_element_names("/svg/g/*",
svg_content) == ("path", "path"), svg_content
def test_read_write_config(config_file):
tmp_dir = Path(tempfile.mkdtemp())
if config_file:
config_file = locate_test_file(config_file)
tmp_dir = tmp_dir / config_file.name
else:
tmp_dir = tmp_dir / "the_default.toml"
original = config.load(config_file)
config.write(tmp_dir, original)
reloaded = config.load(tmp_dir)
assert original == reloaded
def test_build_untouchedsvg_font():
tmp_dir = _run(
(locate_test_file("minimal_static/config_untouchedsvg.toml"), ))
font = TTFont(tmp_dir / "Font.ttf")
assert "SVG " in font
font = TTFont(tmp_dir / "Font.ttf")
svg_content = font["SVG "].docList[0][0]
# one group introduced
assert _svg_element_names("/svg/*", svg_content) == ("g", ), svg_content
# rect stayed rect, fill non ellipse still around
assert _svg_element_names("/svg/g/*", svg_content) == (
"path",
"rect",
"ellipse",
), svg_content
def test_the_curious_case_of_the_parentless_reused_el():
# https://github.com/googlefonts/nanoemoji/issues/346
svgs = [
f"parentless_reused_el/emoji_u{codepoints}.svg"
for codepoints in ("0023_20e3", "1f170", "1f171")
]
tmp_dir = _run((
"--color_format=picosvg",
"--pretty_print",
"--keep_glyph_names",
*(locate_test_file(svg) for svg in svgs),
))
font = TTFont(tmp_dir / "Font.ttf")
assert_expected_ttx(svgs,
font,
"parentless_reused_el.ttx",
include_tables=["GlyphOrder", "SVG "])
def test_glyphmap_games():
# https://github.com/googlefonts/nanoemoji/issues/354
# We want to see both glyphs but only one cmap'd, and the use of our special naming scheme
svgs = [
"emoji_u25fd.svg",
"emoji_u42.svg",
]
tmp_dir = _run((
"--color_format=glyf_colr_1",
"--keep_glyph_names",
"--glyphmap_generator=write_test_glyphmap",
*(locate_test_file(svg) for svg in svgs),
))
font = TTFont(tmp_dir / "Font.ttf")
# We don't really need glyf but ... perhaps it's informative
assert_expected_ttx(svgs,
font,
"glyphmap_games.ttx",
include_tables=["GlyphOrder", "cmap"])
def test_build_static_font_default_config_cli_svg_list():
tmp_dir = _run((locate_test_file("minimal_static/svg/61.svg"), ))
font = TTFont(tmp_dir / "Font.ttf")
assert "fvar" not in font
def test_build_variable_font():
tmp_dir = _run((locate_test_file("minimal_vf/config.toml"), ))
font = TTFont(tmp_dir / "MinimalVF.ttf")
assert "fvar" in font
original = config.load(config_file)
config.write(tmp_dir, original)
reloaded = config.load(tmp_dir)
assert original == reloaded
@pytest.mark.parametrize(
"relative_base, src, expected_files",
[
# relative single file
(
test_data_dir(),
"minimal_static/svg/61.svg",
{locate_test_file("minimal_static/svg/61.svg")},
),
# relative pattern
(
test_data_dir(),
"linear_gradient_transform*.svg",
{
locate_test_file("linear_gradient_transform.svg"),
locate_test_file("linear_gradient_transform_2.svg"),
locate_test_file("linear_gradient_transform_3.svg"),
},
),
# absolute single file
(
test_data_dir(),
locate_test_file("minimal_static/svg/61.svg").resolve(),