wee, fix a bug in the unzip code and decode pngs

midp.js

@@ -501,8 +501,20 @@ Native["javax/microedition/lcdui/Font.init.(III)V"] = function(ctx, stack) {
 }
 
 Native["javax/microedition/lcdui/ImageDataFactory.createImmutableImageDecodeImage.(Ljavax/microedition/lcdui/ImageData;[BII)V"] = function(ctx, stack) {
-    var length = stack.pop(), offset = stack.pop(), bytes = stack.pop(), image = stack.pop();
-    image.data = bytes.buffer.slice(offset, offset + length);
+    var length = stack.pop(), offset = stack.pop(), bytes = stack.pop(), imageData = stack.pop();
+    var blob = new Blob([bytes.buffer.slice(offset, offset + length)], { type: "image/png" });
+    var img = new Image();
+    img.src = URL.createObjectURL(blob);
+    img.onload = function() {
+        imageData["javax/microedition/lcdui/ImageData$width"] = img.naturalWidth;
+        imageData["javax/microedition/lcdui/ImageData$height"] = img.naturalHeight;
+        imageData["javax/microedition/lcdui/ImageData$nativeImageData"] = img;
+        ctx.resume();
+    }
+    img.onerror = function(e) {
+        ctx.resume();
+    }
+    throw VM.Pause;
 }
 
 Native["com/sun/midp/chameleon/layers/SoftButtonLayer.isNativeSoftButtonLayerSupported0.()Z"] = function(ctx, stack) {

zipfile.js

@@ -224,7 +224,6 @@ function inflate(bytes) {
 
       ensureBuffer(bufferLength + blockLen);
       var end = bufferLength + blockLen;
-      bufferLength = end;
       for (var n = bufferLength; n < end; ++n) {
         if (typeof (b = bytes[bytesPos++]) == 'undefined') {
           eof = true;
@@ -232,6 +231,7 @@ function inflate(bytes) {
         }
         buffer[n] = b;
       }
+      bufferLength = end;
       return eof;
     }