def append_curves(self, curves: [typing.Type[Curve]]):
"""
Draws curves by approximating them as line segments and calling self.append_line_chain(). The resulting code is
appended to self.body
"""
for curve in curves:
line_chain = LineSegmentChain()
approximation = LineSegmentChain.line_segment_approximation(curve)
line_chain.extend(approximation)
self.append_line_chain(line_chain)
def run_test(svg_file_name, debug_file_name):
curves = parse_file(svg_file_name)
success = True
approximations = []
count = 0
for curve in curves:
approximation = LineSegmentChain.line_segment_approximation(curve)
approximations.append(approximation)
count += approximation.chain_size()
generate_debug(approximations, svg_file_name, debug_file_name)
return success
def run_test(svg_file_name, debug_file_name):
curves = parse_file(svg_file_name)
success = True
approximations = []
for curve in curves:
approximation = LineSegmentChain.line_segment_approximation(curve)
approximations.append(approximation)
# Todo find a way to automatically determine success. Right now manual revision of debug files is required.
generate_debug(approximations, svg_file_name, debug_file_name)
return success
def draw_debug_traces(self, curves):
"""Traces arrows over all parsed paths"""
root = self.document.getroot()
origin = self.options.machine_origin
bed_width = self.options.bed_width
bed_height = self.options.bed_height
height_str = root.get("height")
canvas_height = float(height_str) if height_str.isnumeric() else float(
height_str[:-2])
group = etree.Element("{%s}g" % svg_name_space)
group.set("id", "debug_traces")
group.set("{%s}groupmode" % inkscape_name_space, "layer")
group.set("{%s}label" % inkscape_name_space, "debug traces")
group.append(
etree.fromstring(
xml_tree.tostring(
debug_methods.arrow_defs(
arrow_scale=self.options.debug_arrow_scale))))
for curve in curves:
approximation = LineSegmentChain.line_segment_approximation(curve)
change_origin = Transformation()
if origin != "top-left":
change_origin.add_scale(1, -1)
change_origin.add_translation(0, -canvas_height)
if origin == "center":
change_origin.add_translation(bed_width / 2, bed_height / 2)
path_string = xml_tree.tostring(
debug_methods.to_svg_path(
approximation,
color="red",
stroke_width=f"{self.options.debug_line_width}px",
transformation=change_origin,
draw_arrows=True))
group.append(etree.fromstring(path_string))
root.append(group)