diff -r 03fc8090dfcc -r a3d504d7e588 javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/Canvas.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/Canvas.java Tue May 21 16:10:52 2013 +0200 @@ -0,0 +1,70 @@ +/** + * Back 2 Browser Bytecode Translator + * Copyright (C) 2012 Jaroslav Tulach + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. Look for COPYING file in the top folder. + * If not, see http://opensource.org/licenses/GPL-2.0. + */ +package org.apidesign.bck2brwsr.htmlpage.api; + +import net.java.html.canvas.ICanvas; +import net.java.html.canvas.IGraphicsContext; +import org.apidesign.bck2brwsr.core.JavaScriptBody; +import static org.apidesign.bck2brwsr.htmlpage.api.Element.getAttribute; + +/** + * + * @author Anton Epple + */ +public class Canvas extends Element implements ICanvas{ + + public Canvas(String id) { + super(id); + } + + @Override + public void setHeight(int height) { + setAttribute(this, "height", height); + } + + @Override + public int getHeight() { + Object ret = getAttribute(this, "height"); + return (ret instanceof Number) ? ((Number)ret).intValue(): Integer.MIN_VALUE; + } + + @Override + public void setWidth(int width) { + setAttribute(this, "width", width); + } + + @Override + public int getWidth() { + Object ret = getAttribute(this, "width"); + return (ret instanceof Number) ? ((Number)ret).intValue(): Integer.MIN_VALUE; + } + + @JavaScriptBody( + args = {"el"}, + body = "var e = window.document.getElementById(el._id());\n" + + "return e.getContext('2d');\n") + private native static Object getContextImpl(Canvas el); + + public IGraphicsContext getContext() { + return new GraphicsContext(getContextImpl(this)); + } + + @Override + void dontSubclass() { + } +}