mirror of git://gcc.gnu.org/git/gcc.git
53 lines
1.4 KiB
Java
53 lines
1.4 KiB
Java
/* Copyright (C) 2000 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package java.awt;
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import java.awt.peer.ComponentPeer;
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public class Canvas extends Component
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{
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transient GraphicsConfiguration graphicsConfiguration;
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public Canvas() { }
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public Canvas(GraphicsConfiguration graphicsConfiguration)
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{
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this.graphicsConfiguration = graphicsConfiguration;
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}
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GraphicsConfiguration getGraphicsConfigurationImpl()
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{
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if (graphicsConfiguration != null)
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return graphicsConfiguration;
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return super.getGraphicsConfigurationImpl();
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}
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public void addNotify()
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{
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if (peer == null)
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{
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peer = (ComponentPeer) getToolkit().createCanvas(this);
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}
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super.addNotify();
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}
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/** Override this to create components with custom painting.
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Defaults to filling the component with the background color. */
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public void paint(Graphics gfx)
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{
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/* This implementation doesn't make much sense since the filling
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of background color is guaranteed for heavyweight components
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such as this. But there's no need to worry, since paint() is
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usually overridden anyway. */
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gfx.setColor(getBackground());
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Dimension size = getSize();
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gfx.fillRect(0, 0, size.width, size.height);
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}
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}
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