1 files changed, 68 insertions, 0 deletions
diff --git a/share/extensions/export_gimp_palette.py b/share/extensions/export_gimp_palette.py
new file mode 100755
index 0000000..812756b
--- /dev/null
+++ b/share/extensions/export_gimp_palette.py
@@ -0,0 +1,68 @@
+#!/usr/bin/env python
+# coding=utf-8
+#
+# Copyright (c) 2009 - Jos Hirth, kaioa.com
+#
+# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+"""
+Export a gimp pallet file (.gpl)
+"""
+
+import inkex
+from inkex import ShapeElement, ColorIdError, ColorError
+
+
+class ExportGimpPalette(inkex.OutputExtension):
+    """Export all colors in a document to a gimp pallet"""
+    select_all = (ShapeElement,)
+
+    def save(self, stream):
+        name = self.svg.name.replace('.svg', '')
+        stream.write('GIMP Palette\nName: {}\n#\n'.format(name).encode('utf-8'))
+
+        for key, value in sorted(list(set(self.get_colors()))):
+            stream.write("{} {}\n".format(key, value).encode('utf-8'))
+
+    def get_colors(self):
+        """Get all the colors from the selected elements"""
+        for elem in self.svg.selection.filter(ShapeElement).values():
+            for color in self.process_element(elem):
+                if str(color).upper() == 'NONE':
+                    continue
+                yield ("{:3d} {:3d} {:3d}".format(*color.to_rgb()), str(color).upper())
+
+    def process_element(self, elem):
+        """Recursively process elements for colors"""
+        style = elem.fallback_style(move=False)
+        for name in inkex.Style.color_props:
+            try:
+                yield inkex.Color(style.get(name))
+            except ColorIdError:
+                gradient = self.svg.getElementById(style.get(name))
+                for item in self.process_element(gradient):
+                    yield item
+                if gradient.href is not None:
+                    for item in self.process_element(gradient.href):
+                        yield item
+            except ColorError:
+                pass # Bad color
+
+        if elem.href is not None: # Capture second level gradient colors
+            for color in self.process_element(elem.href):
+                yield color
+
+if __name__ == '__main__':
+    ExportGimpPalette().run()