64 lines
2.8 KiB
Python
64 lines
2.8 KiB
Python
#!/usr/bin/env python3
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#M 60.403,71.0937 V 89.268022 135.773
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"""
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Extension for InkScape 1.X
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This extension converts an SVG path's d attribute the following way: find each V (vertical line) and each H (horizontal line) and replace it by a generic line (L type).
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A lot of extensions do not work with V and H, but with L commands. So this is just a helper extension for other extensions :-)
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Example conversion:
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from: M 60.403,71.0937 V 89.268022 135.773
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to: M 60.403 71.0937 L 60.403 89.268 L 60.403 135.773
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Author: Mario Voigt / FabLab Chemnitz
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Mail: mario.voigt@stadtfabrikanten.org
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Date: 23.08.2020
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Last patch: 23.08.2020
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License: GNU GPL v3
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"""
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from math import *
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import inkex
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from inkex.paths import Path, CubicSuperPath
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class VHToLine(inkex.Effect):
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def __init__(self):
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inkex.Effect.__init__(self)
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def effect(self):
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if len(self.svg.selected) == 0: exit("Please select at least one path.")
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for obj in self.svg.selected: # The objects are the paths, which may be compound
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curr = self.svg.selected[obj]
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raw = Path(curr.get("d")).to_arrays()
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subpaths, prev = [], 0
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for i in range(len(raw)): # Breaks compound paths into simple paths
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if raw[i][0] == 'M' and i != 0:
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subpaths.append(raw[prev:i])
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prev = i
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subpaths.append(raw[prev:])
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seg = []
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for simpath in subpaths:
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closed = False
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if simpath[-1][0] == 'Z':
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closed = True
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if simpath[-2][0] == 'L': simpath[-1][1] = simpath[0][1]
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else: simpath.pop()
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for i in range(len(simpath)):
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if simpath[i][0] == 'V': # vertical and horizontal lines only have one point in args, but 2 are required
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#inkex.utils.debug(simpath[i][0])
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simpath[i][0]='L' #overwrite V with regular L command
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add=simpath[i-1][1][0] #read the X value from previous segment
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simpath[i][1].append(simpath[i][1][0]) #add the second (missing) argument by taking argument from previous segment
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simpath[i][1][0]=add #replace with recent X after Y was appended
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if simpath[i][0] == 'H': # vertical and horizontal lines only have one point in args, but 2 are required
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#inkex.utils.debug(simpath[i][0])
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simpath[i][0]='L' #overwrite H with regular L command
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simpath[i][1].append(simpath[i-1][1][1]) #add the second (missing) argument by taking argument from previous segment
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#inkex.utils.debug(simpath[i])
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seg.append(simpath[i])
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curr.set("d", Path(seg))
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VHToLine().run() |