Merge branch 'master' of lmno:dither

2 files changed, 2 insertions, 2 deletions

diff --git a/js/color.js b/js/color.js
index ddabf1d..879a78b 100644
--- a/js/color.js
+++ b/js/color.js
@@ -57,7 +57,7 @@ function xyz2rgb(xyz){
 
 function xyz2hunterlab (XYZ) {
   var X = XYZ[0]
-  var Y = XYZ[1]
+  var Y = XYZ[1] || 1e-6  // otherwise divide-by-zero error when converting rgb(0,0,0)
   var Z = XYZ[2]
   var L = 10 * sqrt( Y )
   var a = 17.5 * ( ( ( 1.02 * X ) - Y ) / sqrt( Y ) )
diff --git a/js/image.js b/js/image.js
index d02673e..9296300 100644
--- a/js/image.js
+++ b/js/image.js
@@ -12,7 +12,7 @@ function loadImage(imageURL, callback) {
 		window.img = null
 		callback()
 	}
-  else if (imageURL.substr(-3) === "gif") {
+  else if (imageURL.substr(-3).toLowerCase() === "gif") {
     window.gif = GIF(imageURL);
     // gif.on("error", tryToLoadNextImage);
     // gif.on("rendered", trackLoadTime);