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Canvas.java
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Canvas.java
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/**
* Back 2 Browser Bytecode Translator
* Copyright (C) 2012-2018 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
*
* 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 org.apidesign.bck2brwsr.core.JavaScriptBody;
import static org.apidesign.bck2brwsr.htmlpage.api.Element.getAttribute;
/**
*
* @author Anton Epple <toni.epple@eppleton.de>
*/
public class Canvas extends Element {
public Canvas(String id) {
super(id);
}
public void setHeight(int height) {
setAttribute(this, "height", height);
}
public int getHeight() {
Object ret = getAttribute(this, "height");
return (ret instanceof Number) ? ((Number)ret).intValue(): Integer.MIN_VALUE;
}
public void setWidth(int width) {
setAttribute(this, "width", width);
}
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 GraphicsContext getContext() {
return new GraphicsContext(getContextImpl(this));
}
@Override
void dontSubclass() {
}
}