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# Copyright (c) 2023, Manfred Moitzi
# License: MIT License
import pytest
from ezdxf import path
from ezdxf.fonts import fonts
FONT = "standard.lff"
@pytest.fixture(scope="module", autouse=True)
def check_libre_cad_fonts_available():
if not fonts.font_manager.has_font(FONT):
pytest.skip(reason=f"required LibreCAD '{FONT}' font is not available")
def test_get_font_family_for_lff_files():
# LibreCAD does not include a replacement font for TXT
font_face = fonts.font_manager.get_font_face("standard.lff")
assert font_face.family == "standard"
TOL = 0.001
class TestLibreCadFont:
@pytest.fixture(scope="class")
def lff(self):
return fonts.make_font(FONT, 2.5)
def test_is_a_lff_font(self, lff):
assert lff.name == FONT
def test_space_width(self, lff):
assert lff.space_width() == pytest.approx(1.875, abs=TOL)
def test_text_width(self, lff):
assert lff.text_width("1234") == pytest.approx(7.578981985029027, abs=TOL)
def test_text_width_ex(self, lff):
assert lff.text_width_ex("1234", cap_height=3, width_factor=2) == pytest.approx(
18.189556764069664, abs=TOL
)
def test_text_path(self, lff):
text_path = lff.text_path("1234")
# fmt: off
assert text_path.command_codes() == [
1, 1, 4, 1, 3, 3, 1, 1, 4, 1, 3, 3, 4, 1, 3, 3, 1, 3, 3, 1, 4, 1, 1, 4, 1
]
# fmt: on
box = text_path.bbox()
assert box.size.x > 6
assert box.size.y == pytest.approx(2.5789819850290274, abs=TOL)
def test_text_path_ex(self, lff):
text_path = lff.text_path_ex("1234", cap_height=3, width_factor=2)
box = path.precise_bbox(text_path)
assert box.size.x > 16
assert box.size.y == pytest.approx(3, abs=TOL)
def test_low_level_glyph_cache_measures_spaces():
cache = fonts.font_manager.get_lff_glyph_cache(FONT)
assert cache.get_text_length(" ", cache.font_measurements.cap_height) == 20.25
def test_map_shx_to_lff():
assert fonts.map_shx_to_lff("txt") == "standard.lff"
assert fonts.map_shx_to_lff("txt.shx") == "standard.lff"
assert fonts.map_shx_to_lff("iso") == "iso.lff"
assert fonts.map_shx_to_lff("iso.shx") == "iso.lff"
assert fonts.map_shx_to_lff("unknown.shx") == "unknown.shx"
if __name__ == "__main__":
pytest.main([__file__])
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