def test_mm_and_formatting(self, ppmm):
# Integer and float support
assert css_dimension_to_mm("123mm", ppmm) == 123
assert css_dimension_to_mm("1.23mm", ppmm) == 1.23
# With optional plus
assert css_dimension_to_mm("+1mm", ppmm) == 1
# With whitespace
assert css_dimension_to_mm(" 1 mm ", ppmm) == 1
assert css_dimension_to_mm(" + 1 mm ", ppmm) == 1
def parse_regmarks(parser, args):
if args.regmarks is False:
# Regmark use is disabled
args.regmarks = None
elif isinstance(args.regmarks, list):
# Manual regmarks
try:
svg_width, svg_height = get_svg_page_size(args.svg)
x, y, width, height = (
css_dimension_to_mm(
d, width_mm=svg_width, height_mm=svg_height)
for d in args.regmarks
)
args.regmarks = RegmarkSpecification(x, y, width, height)
except ValueError as e:
parser.error(
"--manual-regmarks arguments must be valid CSS dimensions ({})".format(
str(e)))
else:
# Automatic regmarks
discovered_regmarks = find_regmarks(
svg_to_outlines(args.svg),
required_box_size=5.0,
)
if args.regmarks is True:
# Automatic regmarks explicitly requested
if discovered_regmarks is None:
parser.error("""
--regmarks specified but no registration marks were found in
the input. Check that: 1) all regmarks are visible 2) drawn
opaque in black 3) drawn with opaque black strokes (including
the box) 4) all brackets are the same length and thickness.
""")
else:
args.regmarks = discovered_regmarks
else:
# Default mode: use regmarks if discovered but otherwise don't
# bother
args.regmarks = discovered_regmarks
def test_negative(self, ppmm):
with pytest.raises(ValueError):
css_dimension_to_mm("-1mm", ppmm)
def test_unsupported_units(self, ppmm):
# No font-relative sizes
with pytest.raises(ValueError):
css_dimension_to_mm("1em", ppmm)
# No viewport-relative sizes w/out width/height
with pytest.raises(ValueError):
css_dimension_to_mm("1vw", ppmm)
with pytest.raises(ValueError):
css_dimension_to_mm("1vh", ppmm)
with pytest.raises(ValueError):
css_dimension_to_mm("1vmin", ppmm)
with pytest.raises(ValueError):
css_dimension_to_mm("1vmin", ppmm)
# No percentages...
with pytest.raises(ValueError):
css_dimension_to_mm("1%", ppmm)
def test_pixels(self, ppmm):
assert css_dimension_to_mm("1px", ppmm) == 1.0 / ppmm
assert css_dimension_to_mm("1", ppmm) == 1.0 / ppmm
assert css_dimension_to_mm("2px", ppmm) == 2.0 / ppmm
assert css_dimension_to_mm("2", ppmm) == 2.0 / ppmm
def test_viewport_relative(self):
assert css_dimension_to_mm("1vw", 90.0 / 25.4, 200, 400) == 2.0
assert css_dimension_to_mm("1vh", 90.0 / 25.4, 200, 400) == 4.0
assert css_dimension_to_mm("1vmin", 90.0 / 25.4, 200, 400) == 2.0
assert css_dimension_to_mm("1vmax", 90.0 / 25.4, 200, 400) == 4.0
def test_point(self, ppmm):
assert css_dimension_to_mm("72pt",
ppmm) == css_dimension_to_mm("1in", ppmm)
def test_pica(self, ppmm):
assert css_dimension_to_mm("6pc",
ppmm) == css_dimension_to_mm("1in", ppmm)
def test_inches(self, ppmm):
assert css_dimension_to_mm("1in", ppmm) == 25.4
assert css_dimension_to_mm("2in", ppmm) == 50.8
def test_Q(self, ppmm):
assert css_dimension_to_mm("1Q", ppmm) == 0.25
assert css_dimension_to_mm("4Q", ppmm) == 1.0
def test_cm(self, ppmm):
assert css_dimension_to_mm("1.2cm", ppmm) == 12.0
def test_malformed(self, value, ppmm):
with pytest.raises(ValueError):
css_dimension_to_mm(value, ppmm)