From cca66b9ec4e494c1d919bff0f71a820d8afab1fa Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:24:48 +0200 Subject: Adding upstream version 1.2.2. Signed-off-by: Daniel Baumann --- share/extensions/color_grayscale.py | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100755 share/extensions/color_grayscale.py (limited to 'share/extensions/color_grayscale.py') diff --git a/share/extensions/color_grayscale.py b/share/extensions/color_grayscale.py new file mode 100755 index 0000000..5d134aa --- /dev/null +++ b/share/extensions/color_grayscale.py @@ -0,0 +1,18 @@ +#!/usr/bin/env python +"""Convert to grey""" + +import inkex + + +class Grayscale(inkex.ColorExtension): + """Make all colours grayscale""" + + def modify_color(self, name, color): + # ITU-R Recommendation BT.709 (NTSC and PAL) + # l = 0.2125 * r + 0.7154 * g + 0.0721 * b + lum = 0.299 * color.red + 0.587 * color.green + 0.114 * color.blue + return inkex.Color((int(round(lum)), int(round(lum)), int(round(lum)))) + + +if __name__ == "__main__": + Grayscale().run() -- cgit v1.2.3