diff options
| author | Paul Davis <paul@linuxaudiosystems.com> | 2013-06-27 15:51:57 -0400 |
|---|---|---|
| committer | Paul Davis <paul@linuxaudiosystems.com> | 2013-06-27 15:51:57 -0400 |
| commit | 6618c9e4060da66964bd5707be442ba3f0f156ef (patch) | |
| tree | a1cb59b63fd921dff3f9bee942a14f803aaa4d68 /gtk2_ardour/utils.cc | |
| parent | 0e656f0a13344e7fdc6a3cb01482b5f5f6c021f4 (diff) | |
use HSV to pick random colors and avoid over-saturation or over-brightness
Diffstat (limited to 'gtk2_ardour/utils.cc')
| -rw-r--r-- | gtk2_ardour/utils.cc | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/gtk2_ardour/utils.cc b/gtk2_ardour/utils.cc index cab8b1ff7c..c0fc619f68 100644 --- a/gtk2_ardour/utils.cc +++ b/gtk2_ardour/utils.cc @@ -755,6 +755,13 @@ unique_random_color (list<Gdk::Color>& used_colors) while (1) { + double h, s, v; + + h = fmod (random(), 360.0); + s = (random() % 65535) / 65535.0; + v = (random() % 65535) / 65535.0; + +#if 0 /* avoid neon/glowing tones by limiting them to the "inner section" (paler) of a color wheel/circle. */ @@ -764,7 +771,11 @@ unique_random_color (list<Gdk::Color>& used_colors) newcolor.set_red (random() % max_saturation); newcolor.set_blue (random() % max_saturation); newcolor.set_green (random() % max_saturation); - +#else + s = min (0.5, s); /* not too saturated */ + v = max (0.9, v); /* not too bright */ + newcolor.set_hsv (h, s, v); +#endif if (used_colors.size() == 0) { used_colors.push_back (newcolor); return newcolor; |