attach colorcode as metadata to all generated pngs

1 files changed, 12 insertions, 1 deletions

diff --git a/js/vendor/dataUriToBlob.js b/js/vendor/dataUriToBlob.js
index b45801c..80189b8 100644
--- a/js/vendor/dataUriToBlob.js
+++ b/js/vendor/dataUriToBlob.js
@@ -1,3 +1,14 @@
+var dataUriToUint8Array = function(uri){
+  var data = uri.split(',')[1];
+  var bytes = atob(data);
+  var buf = new ArrayBuffer(bytes.length);
+  var u8 = new Uint8Array(buf);
+  for (var i = 0; i < bytes.length; i++) {
+    u8[i] = bytes.charCodeAt(i);
+  }
+  return u8 
+}
+
 window.dataUriToBlob = (function(){
 /**
  * Blob constructor.
@@ -44,4 +55,4 @@ function mime(uri) {
 
 return dataUriToBlob;
 
-})()
\ No newline at end of file
+})()