Fixed support for other Renderers other than Canvas

Author: Paolo

build.xml

@@ -23,6 +23,7 @@
             <file name="Renderer.js"/>
             <file name="Util.js"/>
             <file name="renderers/Canvas.js"/>
+            <file name="renderers/SVG.js"/>
             <file name="html2canvas-post.txt"/>
         </filelist>
     </path>
@@ -76,6 +77,7 @@
                 <file name="Renderer.js"/>
                 <file name="Util.js"/>
                 <file name="renderers/Canvas.js"/>
+                <file name="renderers/SVG.js"/>
             </sources>
         </jscomp>
         <delete file="${build.dir}/${JS_NAME_MIN}.tmp"></delete>

src/Renderer.js

@@ -58,9 +58,9 @@ _html2canvas.Renderer = function(parseQueue, options){
 
 
     sortZ(parseQueue.zIndex);
-    if ( typeof options.renderer._create !== "function" ) {
+    if ( typeof options._renderer._create !== "function" ) {
         throw new Error("Invalid renderer defined");
     }
-    return options.renderer._create( parseQueue, options, document, queue, _html2canvas );
+    return options._renderer._create( parseQueue, options, document, queue, _html2canvas );
 
 };

src/Util.js

@@ -34,14 +34,20 @@ html2canvas = function( elements, opts ) {
         flashcanvas: undefined, // path to flashcanvas
         width: null,
         height: null,
-        taintTest: true // do a taint test with all images before applying to canvas
-
-    };
+        taintTest: true, // do a taint test with all images before applying to canvas
+		renderer: "Canvas"	
+    }, renderer;
 
     options = _html2canvas.Util.Extend(opts, options);
-    
-    options.renderer = options.renderer || _html2canvas.Renderer.Canvas( options );
-    
+   
+	if (typeof options.renderer === "string" && _html2canvas.Renderer[options.renderer] !== undefined) {
+		options._renderer = _html2canvas.Renderer[options.renderer]( options );
+	} else if (typeof options.renderer === "function") {
+		options._renderer = _html2canvas.Renderer.Canvas( options );
+	} else {
+		throw("Unknown renderer");
+	}
+
     _html2canvas.logging = options.logging;
     options.complete = function( images ) {