Reader grayscale filter (closes #2822)

(cherry picked from commit 908c9bc624)
2021-04-30 22:35:49 -04:00
parent 8fdd6c3bf9
commit 6dad90e19c
6 changed files with 131 additions and 107 deletions
@@ -271,6 +271,7 @@
    <string name="pref_true_color_summary">Reduces banding, but impacts performance</string>
    <string name="pref_crop_borders">Crop borders</string>
    <string name="pref_custom_brightness">Custom brightness</string>
+    <string name="pref_grayscale">Grayscale</string>
    <string name="pref_custom_color_filter">Custom color filter</string>
    <string name="pref_color_filter_mode">Color filter blend mode</string>
    <string name="filter_mode_default">Default</string>