split files & created build file

src/Core.js

@@ -0,0 +1,140 @@
+/**
+ * Creates a render of the element el
+ * @constructor
+ */
+
+function html2canvas(el, userOptions) {
+
+    var options = userOptions || {};
+  
+    
+    this.opts = this.extendObj(options, {          
+        logging: false,
+        ready: function (canvas) {
+            document.body.appendChild(canvas);
+        },
+        renderViewport: true		
+    });
+    
+    this.element = el;
+    
+    var imageLoaded,
+    canvas,
+    ctx,
+    bgx,
+    bgy,
+    image;
+    this.imagesLoaded = 0;
+    this.images = [];
+    this.ignoreElements = "IFRAME|OBJECT|PARAM";
+    
+  
+    
+    // test how to measure text bounding boxes
+    this.useRangeBounds = false;
+    if (document.createRange){
+        var r = document.createRange();
+        this.useRangeBounds = new Boolean(r.getBoundingClientRect);
+    }
+     
+    // Start script
+    this.init();	
+}
+	
+        
+        
+                                
+html2canvas.prototype.init = function(){
+     
+    var _ = this;
+       
+    this.canvas = document.createElement('canvas');
+        
+    // TODO remove jQuery dependency
+    this.canvas.width = $(document).width();
+    this.canvas.height = $(document).height()+10;
+        
+        
+
+    if (!this.canvas.getContext){
+            
+    // TODO include Flashcanvas
+    /*
+          
+            var script = document.createElement('script');
+            script.type = "text/javascript";
+            script.src = "flashcanvas.js";
+            var s = document.getElementsByTagName('script')[0]; 
+            s.parentNode.insertBefore(script, s);
+         
+         
+            if (typeof FlashCanvas != "undefined") {
+               
+                FlashCanvas.initElement(canvas);
+                ctx = canvas.getContext('2d');
+            }	
+            */
+    }else{
+        this.ctx = this.canvas.getContext('2d');
+    }
+        
+    if (!this.ctx){
+        // canvas not initialized, let's kill it here
+        this.log('Canvas not available');
+        return;
+    }
+       
+    // set common settings for canvas
+    this.ctx.textBaseline = "bottom";
+        
+    this.log('Finding background images');
+        
+    this.getImages(this.element);
+            
+    this.log('Finding images');
+    this.each(document.images,function(i,e){
+        _.preloadImage(_.getAttr(e,'src'));
+    });
+      
+        
+    if (this.images.length == 0){
+        this.start();
+    }  
+        
+        
+}
+
+/*
+ * Check whether all assets have been loaded and start traversing the DOM
+ */
+ 
+html2canvas.prototype.start = function(){
+          
+    if (this.images.length == 0 || this.imagesLoaded==this.images.length/2){    
+        this.log('Started parsing');
+        this.newElement(this.element);		
+          
+        this.parseElement(this.element);                         
+    }            
+}
+
+
+
+/*
+ * Finished rendering, send callback
+ */ 
+
+html2canvas.prototype.finish = function(){
+    this.log("Finished rendering");
+       
+    if (this.opts.renderViewport){
+        // let's crop it to viewport only then
+        var newCanvas = document.createElement('canvas');
+        var newctx = newCanvas.getContext('2d');
+        newCanvas.width = window.innerWidth;
+        newCanvas.height = window.innerHeight;
+            
+    }
+    this.opts.ready(this.canvas);          
+}
+