def test_dash_dot_2x_render_issue():
# DASHDOTX2 (0, 0) -> (20, 0)
ltr = LineTypeRenderer(dashes=(2.0, 0.2, 0.1, 0.2))
result = list(ltr.line_segment((0, 0), (20, 0)))
last_segment = result[-1]
# Last segment is very very short:
assert last_segment[0].isclose(last_segment[1])
def draw_path(self, path, properties: Properties, z: float):
pattern = self.pattern(properties)
lineweight = self.lineweight(properties)
color = properties.color
if len(pattern) < 2:
vertices, codes = _get_path_patch_data(path)
patch = PathPatch(
Path(vertices, codes),
linewidth=lineweight,
color=color,
fill=False,
zorder=z,
)
self.ax.add_patch(patch)
else:
renderer = EzdxfLineTypeRenderer(pattern)
segments = renderer.line_segments(
path.flattening(self._config.max_flattening_distance,
segments=16))
lines = LineCollection(
[((s.x, s.y), (e.x, e.y)) for s, e in segments],
linewidths=lineweight,
color=color,
zorder=z,
)
lines.set_capstyle("butt")
self.ax.add_collection(lines)
def test_dashed_line_4():
ltr = LineTypeRenderer(dashes=(1, 1))
result = list(ltr.line_segment((0, 0), (4, 0)))
assert len(result) == 2
assert result[0] == ((0, 0), (1, 0))
# 1,0 -> 2,0 is a gap
assert result[1] == ((2, 0), (3, 0))
def draw_line(self, start: Vec3, end: Vec3, properties: Properties,
z: float):
pattern = self.pattern(properties)
lineweight = self.lineweight(properties)
color = properties.color
if len(pattern) < 2:
self.ax.add_line(
Line2D(
(start.x, end.x),
(start.y, end.y),
linewidth=lineweight,
color=color,
zorder=z,
))
else:
renderer = EzdxfLineTypeRenderer(pattern)
lines = LineCollection(
[((s.x, s.y), (e.x, e.y))
for s, e in renderer.line_segment(start, end)],
linewidths=lineweight,
color=color,
zorder=z,
)
lines.set_capstyle("butt")
self.ax.add_collection(lines)
def draw_line(self, start: Vec3, end: Vec3, properties: Properties, z=0):
pattern = self.pattern(properties)
pen = self.get_pen(properties)
if len(pattern) < 2:
return self.scene.addLine(start.x, start.y, end.x, end.y, pen)
else:
add_line = self.scene.addLine
renderer = EzdxfLineTypeRenderer(pattern)
return [
add_line(s.x, s.y, e.x, e.y, pen)
for s, e in renderer.line_segment(start, end)
# PyQt has problems with very short lines:
if not s.isclose(e)
]
def draw_path(self, path, properties: Properties, z=0):
pattern = self.pattern(properties)
pen = self.get_pen(properties)
render_linetypes = bool(self.linetype_scaling)
if len(pattern) < 2 or not render_linetypes:
qt_path = qg.QPainterPath()
_extend_qt_path(qt_path, path)
return self.scene.addPath(qt_path, pen, self.no_fill)
else:
add_line = self.scene.addLine
renderer = EzdxfLineTypeRenderer(pattern)
segments = renderer.line_segments(
path.flattening(self.max_flattening_distance, segments=16))
return [
add_line(s.x, s.y, e.x, e.y, pen) for s, e in segments
# PyQt has problems with very short lines:
if not s.isclose(e)
]
def test_line_type_solid():
ltr = LineTypeRenderer(dashes=tuple())
assert ltr.is_solid is True
assert list(ltr.line_segment((0, 0), (5, 0))) == [((0, 0), (5, 0))]
def test_dashed_line_2():
ltr = LineTypeRenderer(dashes=(1, 1))
result = list(ltr.line_segment((0, 0), (2, 0)))
assert len(result) == 1
assert result[0] == ((0, 0), (1, 0))
def test_line_start_is_end():
ltr = LineTypeRenderer(dashes=tuple())
assert list(ltr.line_segment((0, 0), (0, 0))) == [((0, 0), (0, 0))]