adds canvas.crossOrigin="Anonymous"

hansonr · hansonr · commit eb1660304eab · 2020-11-17T14:31:55.000-06:00
diff --git a/sources/net.sf.j2s.java.core/src/java/awt/image/BufferedImage.java b/sources/net.sf.j2s.java.core/src/java/awt/image/BufferedImage.java
@@ -2018,8 +2018,10 @@ public int getTransparency() {
 
 		HTML5Canvas canvas = (g == null ? null : /** @j2sNative g.canvas || */
 				null);
-		if (canvas == null)
+		if (canvas == null) {
 			canvas = (HTML5Canvas) DOMNode.createElement("canvas", null);
+			/** @j2sNative canvas.crossOrigin = "Anonymous"; */
+		}
 		int w = width;
 		int h = height;
 		byte[] data = HTML5Canvas.getDataBufferBytes(canvas, node, w, h);
diff --git a/sources/net.sf.j2s.java.core/src/swingjs/JSImage.java b/sources/net.sf.j2s.java.core/src/swingjs/JSImage.java
@@ -116,8 +116,10 @@ public void run() {
 				};
 				if (b != null)
 					src = JSImagekit.getDataBlob(b, null);
+				// see https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_enabled_image
 				/**
 				 * @j2sNative
+				 *          img.crossOrigin = "Anonymous";
 				 *          img.onerror = function(e) {img.err = e}; 
 				 * 			img.src = src;
 				 * 			img.onloadedmetadata = function(){ r.run$()};
