From 7752193274bff2083fa7c4a0fb78b2bb163bd185 Mon Sep 17 00:00:00 2001
From: Bram Hoefnagel <bram.hoefnagel@live.com>
Date: Sun, 26 Jan 2020 22:31:03 +0100
Subject: [PATCH] Added bri_inc support

---
 README.md          | 1 +
 lib/hue-light.js   | 7 +++++++
 red/hue-input.html | 1 +
 3 files changed, 9 insertions(+)

diff --git a/README.md b/README.md
index fca0e28..d1dc505 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,7 @@ More advanced way to control the light is to send an object payload with one or
 | `x` and/or `y`| Set XY color (0.0-1.0) |
 | `sat` or `saturation` | Set color saturation (0-100) | 
 | `bri` or `brightness` | Set light brightness (0-100%) |
+| `bri_inc` | Set brightness increase (0-100%) (0 to stop transition) |
 | `ct`, `mired` or `mirek` | Set Mired color temperature (153 - 500) |
 | `kelvin` | Set kelvin color temperature (2200-6500) |
 | `duration` | Transition time (ms) |
diff --git a/lib/hue-light.js b/lib/hue-light.js
index ef3f6d4..6a3df5c 100644
--- a/lib/hue-light.js
+++ b/lib/hue-light.js
@@ -830,6 +830,13 @@ LightItem.prototype.setColor = function setColor(input) {
     newState.off();
   }
 
+  //Brightness Increase/Decrease specified
+  if (_.isFinite(input.bri_inc)&&input.bri_inc>-101 &&input.bri_inc<101){
+    newState.bri_inc((input.bri_inc * 0xFF)/100);
+    
+    this.modified += Math.round(1 + (input.duration/1000));
+  }
+
   // Duration specified
   if (_.isFinite(input.duration) && input.duration > 0) {
     newState.transition(input.duration);
diff --git a/red/hue-input.html b/red/hue-input.html
index c134a10..0f82c78 100644
--- a/red/hue-input.html
+++ b/red/hue-input.html
@@ -29,6 +29,7 @@
     <li><code>hue</code> HUE (0-359)</li>
     <li><code>sat></code>/<code>saturation</code> Saturation (0-100%)</li>
     <li><code>bri</code>/<code>brightness</code> Brightness number (0-100%)</li>
+    <li><code>bri_inc</code> Brightness increase number (0-100%)</li>
 
     <li><code>red</code> Red (0-255)</li>
     <li><code>green</code> Green (0-255)</li>