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#!/usr/bin/env python
# coding=utf-8
#
# Copyright (C) 2011 Felipe Correa da Silva Sanches
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
import inkex
class NextLayer(inkex.EffectExtension):
"""Show the next glyph layer"""
def effect(self):
count = 0
glyphs = []
for group in self.svg.findall("svg:g"):
if "GlyphLayer-" in group.label:
glyphs.append(group)
if group.style.get("display", "") == "inline":
count += 1
current = len(glyphs) - 1
if count != 1 or len(glyphs) < 2:
return
self.process_glyphs(glyphs, current)
@staticmethod
def process_glyphs(glyphs, current):
"""Process the glyphs"""
glyphs[current].set("style", "display:none")
glyphs[(current + 1) % len(glyphs)].set("style", "display:inline")
if __name__ == "__main__":
NextLayer().run()
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