1 files changed, 46 insertions, 0 deletions
diff --git a/share/extensions/color_replace.py b/share/extensions/color_replace.py
new file mode 100755
index 0000000..a4be3d5
--- /dev/null
+++ b/share/extensions/color_replace.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+"""Replace color extension"""
+
+import inkex
+
+
+class ReplaceColor(inkex.ColorExtension):
+    """Replace color in SVG with another"""
+
+    pass_rgba = True
+
+    def add_arguments(self, pars):
+        pars.add_argument("--tab")
+        pars.add_argument(
+            "-f",
+            "--from_color",
+            default=inkex.Color("black"),
+            type=inkex.Color,
+            help="Replace color",
+        )
+        pars.add_argument(
+            "-t",
+            "--to_color",
+            default=inkex.Color("red"),
+            type=inkex.Color,
+            help="By color",
+        )
+        pars.add_argument(
+            "-i",
+            "--ignore_opacity",
+            default=True,
+            type=inkex.Boolean,
+            help="Whether color should be replaced regardless of opacity match",
+        )
+
+    def modify_color(self, name, color):  # color is rgba
+        if self.options.from_color.to_rgb() == color.to_rgb() and (
+            self.options.ignore_opacity
+            or abs(self.options.from_color.to_rgba().alpha - color.alpha) < 0.01
+        ):
+            return self.options.to_color.to_rgba()
+        return color
+
+
+if __name__ == "__main__":
+    ReplaceColor().run()