1 files changed, 50 insertions, 0 deletions
diff --git a/share/extensions/next_glyph_layer.py b/share/extensions/next_glyph_layer.py
new file mode 100755
index 0000000..2fc8c3b
--- /dev/null
+++ b/share/extensions/next_glyph_layer.py
@@ -0,0 +1,50 @@
+#!/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()