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#!/usr/bin/env python2
import sys,re
"""
gimppath2svg.py -- Converts Gimp-Paths to a SVG-File.
Copyright (C) 2000 Simon Budig <simon@gimp.org>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Usage: gimppath2svg.py [infile [outfile]]
"""
svgtemplate = """<?xml version="1.0" standalone="yes"?>
<svg width="%d" height="%d">
<g>
<path id="%s" transform="translate (%d,%d)"
style="stroke:#000000; stroke-width:1; fill:none"
d="%s"/>
</g>
</svg>
"""
emptysvgtemplate = """<?xml version="1.0" standalone="yes"?>
<svg width="1" height="1">
</svg>
"""
class Path:
def __init__(self):
self.name = ""
self.svgpath = ""
self.gimppoints = [[]]
self.bounds = None
def readgimpfile (self, filedesc):
text = filedesc.readlines()
for line in text:
namematch = re.match ("Name: (.*)$", line)
if namematch:
path.name = namematch.group(1)
pointmatch = re.match ("TYPE: (\d) X: (\d+) Y: (\d+)", line)
if pointmatch:
if pointmatch.group (1) == "3":
path.gimppoints.append ([])
(x, y) = map (int, pointmatch.groups()[1:])
path.gimppoints[-1].append (map (int, pointmatch.groups()))
if self.bounds:
if self.bounds[0] > x: self.bounds[0] = x
if self.bounds[1] > y: self.bounds[1] = y
if self.bounds[2] < x: self.bounds[2] = x
if self.bounds[3] < y: self.bounds[3] = y
else:
self.bounds = [x,y,x,y]
def makesvg (self):
for path in self.gimppoints:
if path:
start = path[0]
svg = "M %d %d " % tuple (start[1:])
path = path[1:]
while path:
curve = path [0:3]
path = path[3:]
if len (curve) == 2:
svg = svg + "C %d %d %d %d %d %d z " % tuple (
tuple (curve [0][1:]) +
tuple (curve [1][1:]) +
tuple (start [1:]))
if len (curve) == 3:
svg = svg + "C %d %d %d %d %d %d " % tuple (
tuple (curve [0][1:]) +
tuple (curve [1][1:]) +
tuple (curve [2][1:]))
self.svgpath = self.svgpath + svg
def writesvgfile (self, outfile):
if self.svgpath:
svg = svgtemplate % (self.bounds[2]-self.bounds[0],
self.bounds[3]-self.bounds[1],
self.name,
-self.bounds[0], -self.bounds[1],
self.svgpath)
else:
svg = emptysvgtemplate
outfile.write (svg)
if len (sys.argv) > 1:
infile = open (sys.argv[1])
else:
infile = sys.stdin
if len (sys.argv) > 2:
outfile = open (sys.argv[2], "w")
else:
outfile = sys.stdout
path = Path()
path.readgimpfile (infile)
path.makesvg()
path.writesvgfile (outfile)
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