Changeset 9221 in josm for trunk/src/org/openstreetmap/josm/gui/preferences/display/ColorPreference.java

Timestamp:

2015-12-30T14:18:30+01:00 (8 years ago)

Author:

Don-vip

Message:

fix #12256 - adjust contrast of text displayed in imagery alignment warning, notifications and color preferences. Useful for dark themes

File:

• trunk/src/org/openstreetmap/josm/gui/preferences/display/ColorPreference.java (modified) (1 diff)

trunk/src/org/openstreetmap/josm/gui/preferences/display/ColorPreference.java

@@ -228 +228 @@
                     return new JLabel();
                 if (column == 1) {
-                    JLabel l = new JLabel(ColorHelper.color2html((Color) o));
-                    l.setBackground((Color) o);
+                    Color c = (Color) o;
+                    JLabel l = new JLabel(ColorHelper.color2html(c));
+                    l.setBackground(c);
+                    // http://stackoverflow.com/a/3943023/2257172
+                    l.setForeground((c.getRed()*0.299 + c.getGreen()*0.587 + c.getBlue()*0.114) > 186 ?
+                            Color.BLACK : Color.WHITE);
                     l.setOpaque(true);
                     return l;