Martin Chase d531a808e1
allow gradient position to be configured on a histogram (#1729)
* NEW features for HistgramLUTItem

* gradientPosition=('left', 'right')
* only paint if item is visible (is faster)
* link hisogram to other histograms

* fixes to be able to merge

 * drop linkHistogram (rgba needs to be better integrated)
 * make sure defaults to same as current behavior
 * draw connecting lines correctly on each side
 * add example use
2021-04-20 19:57:15 -07:00
..
2017-10-18 00:18:46 -07:00
2021-04-14 10:44:03 -07:00
2021-01-27 10:59:07 -08:00
2021-03-26 04:07:19 +08:00