Changed from Canvas Widget to Canvas element

Author: timeu

processingjs-gwt/src/main/java/com/github/timeu/gwtlibs/processingjsgwt/client/Processing.java

@@ -3,6 +3,7 @@
 import com.google.gwt.canvas.client.Canvas;
 import com.google.gwt.core.client.ScriptInjector;
 import com.google.gwt.core.shared.GWT;
+import com.google.gwt.dom.client.Document;
 import com.google.gwt.http.client.Request;
 import com.google.gwt.http.client.RequestBuilder;
 import com.google.gwt.http.client.RequestCallback;
@@ -33,15 +34,13 @@ interface ProcessingClientBundle extends ClientBundle {
 
 	protected I pInstance;
 	protected boolean isLoaded = false;
-	protected final Canvas canvas;
 
     /**
      * Creates a Processing widget
      */
 	public Processing() {
 		injectScript();
-		canvas = Canvas.createIfSupported();
-		setElement(canvas.getElement());
+		setElement(Document.get().createCanvasElement());
 	}
 
     /**
@@ -134,15 +133,7 @@ protected final native I init(String programm,Element elem) /*-{
 	}-*/;
 
 
-    /**
-     * Provides access to the Canvas widget
-     *
-     * @return the {@link Canvas} widget
-     */
-	public Canvas getCanvas() {
-		return canvas;
-	}
-	
+
 	private void injectScript() {
 		if (!isInjected()) {
 			ScriptInjector.fromString(ProcessingClientBundle.INSTANCE.processingjs().getText()).setWindow(ScriptInjector.TOP_WINDOW).inject();

processingjs-gwt/src/test/java/com/github/timeu/gwtlibs/processingjsgwt/client/ProcessingTest.java

@@ -42,7 +42,6 @@ public String getModuleName() {
 
     public void testCreateAndCheckCanvasExists() {
         Processing<MyProcessingInstance> widget = new Processing<>();
-        assertNotNull(widget.getCanvas());
         assertEquals(widget.isLoaded(),false);
         assertEquals(widget.isInjected(),true);
         assertNull(widget.getInstance());
@@ -66,7 +65,6 @@ private void checkLoadedWdiget(Processing<MyProcessingInstance> widget) {
         assertEquals(widget.isInjected(),true);
         assertEquals(widget.isLoaded(),true);
         assertNotNull("Processing instance is null",widget.getInstance());
-        assertNotNull("Canvas is null", widget.getCanvas());
     }
 
 }