saveSVG() logo image can not show bug fixed.

saveSVG() logo image can not show bug fixed.

Author: ushelp

canvas2svg.js

@@ -1181,7 +1181,6 @@
      * http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#dom-context-2d-drawimage
      */
     ctx.prototype.drawImage = function() {
-
         //convert arguments to a real array
         var args = Array.prototype.slice.call(arguments),
             image = args[0],
@@ -1226,18 +1225,20 @@
         svgImage.setAttribute("height", dh);
         svgImage.setAttribute("preserveAspectRatio", "none");
         svgImage.setAttribute("opacity", this.globalAlpha);
+        
         if (sx || sy || sw !== image.width || sh !== image.height) {
             //crop the image using a temporary canvas
             canvas = this.__document.createElement("canvas");
             canvas.width = dw;
             canvas.height = dh;
             context = canvas.getContext("2d");
-            context.drawImage(image, sx, sy, sw, sh, 0, 0, dw, dh);
+            context.drawImage(t, sx, sy, sw, sh, 0, 0, dw, dh);
             image = canvas;
         }
+        
         svgImage.setAttribute("transform", translateDirective);
         svgImage.setAttributeNS("http://www.w3.org/1999/xlink", "xlink:href",
-            image.nodeName === "CANVAS" ? image.toDataURL() : image.src);
+            image.nodeName === "CANVAS" ? image.toDataURL() : image.originalSrc);
         parent.appendChild(svgImage);
     };
 

index.js

@@ -3,7 +3,7 @@
  *
  * NodeJS QRCode generator. Can save image or svg to file, get standard base64 image data url text or get SVG serialized text. Cross-browser QRCode generator for pure javascript. Support Dot style, Logo, Background image, Colorful, Title etc. settings. support binary mode.(Running without DOM on server side)
  *
- * Version 4.3.3
+ * Version 4.3.4
  *
  * @author [ [email protected] ]
  *
@@ -1209,6 +1209,7 @@ Drawing.prototype.draw = function(oQRCode) {
         bgImg.onerror = function(e) {
             t.reject(e);
         }
+        bgImg.originalSrc = _htOption.backgroundImage;
         bgImg.src = _htOption.backgroundImage;
         // DoSomething
     } else {
@@ -1460,6 +1461,7 @@ Drawing.prototype.draw = function(oQRCode) {
                 // console.error(e);
                 t.reject(e);
             }
+            img.originalSrc=_htOption.logo;
             img.src = _htOption.logo;
             // if (img.complete) {
             //     img.onload = null;