throwing errors, documenting colors

2 files changed, 6 insertions, 3 deletions

diff --git a/js/color.js b/js/color.js
index a6e1317..34404cd 100644
--- a/js/color.js
+++ b/js/color.js
@@ -205,7 +205,7 @@ function rgb2cmy (R,G,B){
   return [C,M,Y]
 }
 function cmy2rgb (C,M,Y){
-  if (CMY.length) {
+  if (C.length) {
     Y = C[2]
     M = C[1]
     C = C[0]
@@ -216,7 +216,7 @@ function cmy2rgb (C,M,Y){
   return [R,G,B]
 }
 function cmy2cmyk (C,M,Y) {
-  if (CMY.length) {
+  if (C.length) {
     Y = C[2]
     M = C[1]
     C = C[0]
@@ -241,7 +241,7 @@ function cmy2cmyk (C,M,Y) {
   return [C,M,Y,K]
 }
 function cmyk2cmy (C,M,Y,K) {
-  if (CMYK.length) {
+  if (C.length) {
     K = C[3]
     Y = C[2]
     M = C[1]
diff --git a/js/vendor/gif-encode/client.js b/js/vendor/gif-encode/client.js
index 8116bf0..c441b47 100644
--- a/js/vendor/gif-encode/client.js
+++ b/js/vendor/gif-encode/client.js
@@ -141,6 +141,9 @@ function GifEncoder(){
 	}
 
 	var encode = this.encode = function (nq, ct) {
+    if (! canvases.length) {
+      throw Error ("No frames to encode")
+    }
 	  nq = nq || neuquant
 	  ct = ct || colortab