add image tag

index.js

@@ -180,6 +180,26 @@ var exchange_text = exports.exchange_text = function exchange_text(text, options
                     temp = temp + ch;
                 }
             }
+            else if (text.substring(i, i+5) == "<IMG>")
+            {
+                index = text.indexOf("</IMG>", i + 5);
+                if (index != -1)
+                {
+                    var url = text.substring(i + 5, index);
+                    bytes.concat(align_center_bytes);
+                    bytes.concat(none_space_bytes);
+                    bytes.concat(change_base64_to_bytes(url));
+                    // console.log("change_image_url_to_bytes:",change_image_url_to_bytes(url))
+                    // console.log("change_base64_to_bytes:",change_base64_to_bytes(url))
+                    bytes.concat(default_space_bytes);
+                    bytes.concat(align_left_bytes);
+                    i = index + 5;
+                }
+                else
+                {
+                    temp = temp + ch;
+                }
+            }
             else if (text.substring(i, i+5) == "<QRI>")
             {
                 index = text.indexOf("</QRI>", i + 5);
@@ -245,6 +265,20 @@ var exchange_text = exports.exchange_text = function exchange_text(text, options
     return bytes.toBuffer();
 }
 
+var change_base64_to_bytes = exports.change_base64_to_bytes = function change_base64_to_bytes(base64){
+    var raw = window.atob(base64);
+    var rawLength = raw.length;
+    var array = new Uint8Array(new ArrayBuffer(rawLength));
+
+    for(i = 0; i < rawLength; i++) {
+        array[i] = raw.charCodeAt(i);
+    }
+    return array;
+
+}
+
+
+
 var change_image_url_to_bytes = exports.change_image_url_to_bytes = function change_image_url_to_bytes(url, options){
     options = options||{
         encoding: 'UTF8'