From ac3258f3cc1f9dd64b5bc03ac375fb34f49272df Mon Sep 17 00:00:00 2001
From: Jon Lippincott <jonlippincott@gmail.com>
Date: Wed, 6 Nov 2019 03:26:03 +0100
Subject: [PATCH] Remove deps on canvas, which we don't need or want

---
 lib/render.js | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/lib/render.js b/lib/render.js
index 8105064..e15359d 100644
--- a/lib/render.js
+++ b/lib/render.js
@@ -87,8 +87,8 @@ module.exports = function render (url, options, cb) {
     return cb(new Error('Baseline must be smaller than waveform height'))
   }
 
-  var canvas = new Canvas(options.width, options.height)
-  var canvasContext = canvas.getContext('2d')
+  //var canvas = new Canvas(options.width, options.height)
+  //var canvasContext = canvas.getContext('2d')
   var data = []
 
   getPcmData(url, null, function (sample, channel) {
@@ -105,10 +105,10 @@ module.exports = function render (url, options, cb) {
     var ratio = options.baseline / options.height
     var vals = []
 
-    canvasContext.fillStyle = options.backgroundColor
-    canvasContext.fillRect(0, 0, options.width, options.height)
+    //canvasContext.fillStyle = options.backgroundColor
+    //canvasContext.fillRect(0, 0, options.width, options.height)
 
-    canvasContext.fillStyle = options.waveColor
+    //canvasContext.fillStyle = options.waveColor
 
     for (var i = 0; i < options.width; i += options.barWidth) {
       var position = i * step
@@ -149,17 +149,17 @@ module.exports = function render (url, options, cb) {
       }
 
       if (options.waveAlpha < 1) {
-        canvasContext.clearRect(x, options.baseline, w, upperHeight)
-        canvasContext.clearRect(x, options.baseline, w, -lowerHeight)
-        canvasContext.globalAlpha = options.waveAlpha
+        //canvasContext.clearRect(x, options.baseline, w, upperHeight)
+        //canvasContext.clearRect(x, options.baseline, w, -lowerHeight)
+        //canvasContext.globalAlpha = options.waveAlpha
       }
-      canvasContext.fillRect(x, options.baseline, w, upperHeight)
-      canvasContext.fillRect(x, options.baseline, w, -lowerHeight)
+      //canvasContext.fillRect(x, options.baseline, w, upperHeight)
+      //canvasContext.fillRect(x, options.baseline, w, -lowerHeight)
     })
 
     if (options.baselineWidth >= 1) {
-      canvasContext.fillStyle = options.baselineColor
-      canvasContext.fillRect(0, options.baseline - (options.baselineWidth / 2), options.width, options.baselineWidth)
+      //canvasContext.fillStyle = options.baselineColor
+      //canvasContext.fillRect(0, options.baseline - (options.baselineWidth / 2), options.width, options.baselineWidth)
     }
     cb(null, canvas.toBuffer())