Adding png support from https://github.com/photopea/UPNG.js

kentmw · Mar 6, 2020 · 1f64bcd · 1f64bcd
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diff --git a/README.md b/README.md
@@ -67,10 +67,25 @@ worker.onmessage = function(e) {
 }
 ```
 
+**PNG Support**
+```
+worker.postMessage({
+  image: imageData,
+  png: true,
+  quality: 50
+});
+worker.onmessage = function(e) {
+  // Make sure to specify the type as png.
+  var blob = new Blob( [e.data.data], {type: 'image/png'} );
+}
+```
+
 ## Credits
 
 This library relies almost entirely on an adaptation of the encoder from the [jpeg-js]() library. This library was built to work in a node.js environment and not in the browser, let alone in a web worker environment.
 
+The png part of this library is pulled directly from https://github.com/photopea/UPNG.js
+
 
 ## License