Document gamma

Author: flekschas

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 - Add default canvas width/height (`'auto'`) to fix an issue on high-dpi monitors that do not style the canvas element (#41)
 - Add resize handler so when width/height is set to `'auto'` the canvas element is automatically resized on `resize` and `orientationchange` events.
+- Improve framebuffer rendering and add `gamma` prop to allow controlling the opacity blending (#42)
 
 ## v0.17.0
 

README.md

@@ -388,6 +388,7 @@ can be read and written via [`scatterplot.get()`](#scatterplot.get) and [`scatte
 | keyMap                                | object          | `{ alt: 'rotate', shift: 'lasso' }` | See the notes below                                             | `true`   | `false`     |
 | mouseMode                             | string          | `'panZoom'`                         | `'panZoom'`, `'lasso'`, or `'rotate'`                           | `true`   | `false`     |
 | performanceMode                       | boolean         | `false`                             | can only be set during initialization!                          | `true`   | `false`     |
+| gamma                                 | float           | `1`                                 | to control the opacity blending                                 | `true`   | `false`     |
 
 <a name="property-notes" href="#property-notes">#</a> <b>Notes:</b>