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Implement logging for unimplemented path commands

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This commit is contained in:
Nicolas Hiillos
2023-01-31 14:36:31 +02:00
parent 06a595640a
commit 21425cc0e4
1 changed files with 113 additions and 4 deletions
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117
src/drawing_controller/drawing_controller/svg_processor.py
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@@ -80,10 +80,119 @@ class SVGProcessor():
# https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/d
def path_parser(self, child, map_point):
path = child.get('d')
self.logger.info("Parsing path :'{}...' with {} characters".format(path[:40], len(path)))
self.logger.error("Path parser not implemented")
return []
'''
MoveTo: M, m
LineTo: L, l, H, h, V, v
Cubic Bézier Curve: C, c, S, s
Quadratic Bézier Curve: Q, q, T, t
Elliptical Arc Curve: A, a
ClosePath: Z, z
Parameters:
primitive (lxml child): the primitive from the svg file
Returns:
primitive_fn ():
'''
pathstr = child.get('d')
# Tokenizer
self.logger.info("Tokenizing path :'{}...' with {} characters".format(pathstr[:40], len(pathstr)))
path = []
i = 0
while i < len(pathstr):
c = pathstr[i]
if c.isalpha():
path.append(c)
if c == '-' or c.isdecimal():
s = ""
while i < len(pathstr) and not c.isspace():
s = s + c
i += 1
c = pathstr[i]
path.append(s)
i += 1
# Parser
self.logger.info("Parsing path :'{}...' with {} tokens".format(path[:20], len(path)))
x = 0.0
y = 0.0
i = 0
output = []
def getnum():
nonlocal i
i += 1
return float(path[i])
def setpointup():
nonlocal output
p = map_point(x,y)
output.append((p[0],p[1],1.0))
def setpointdown():
nonlocal output
p = map_point(x,y)
output.append((p[0],p[1],0.0))
while i < len(path):
w = path[i]
# MoveTo commands
if (w == "M"):
setpointup()
x = getnum()
y = getnum()
setpointup()
i += 1
continue
if (w == "m"):
setpointup()
x += getnum()
y += getnum()
setpointup()
i += 1
continue
# LineTo commands
if (w == "L"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "l"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "H"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "h"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "V"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "v"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
# Cubic Bézier Curve commands
if (w == "C"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "c"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "S"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "s"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
# Quadratic Bézier Curve commands
if (w == "Q"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "q"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "T"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "t"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
# Elliptical arc commands
if (w == "A"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "a"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
# ClosePath commands
if (w == "Z"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
if (w == "z"):
self.logger.error("SVG path parser '{}' not implemented".format(w))
self.logger.error("SVG path parser panic mode at '{}'".format(path[i]))
i += 1
return output
# https://stackoverflow.com/questions/30232031/how-can-i-strip-namespaces-out-of-an-lxml-tree
def strip_ns_prefix(self, tree):