/*
* Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
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*/
package javax.swing.plaf.nimbus;
import javax.swing.plaf.nimbus.AbstractRegionPainter.PaintContext.CacheMode;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.Insets;
import javax.swing.JComponent;
/**
* A special painter implementation for tool bar separators in Nimbus.
* The designer tool doesn't have support for painters which render
* repeated patterns, but that's exactly what the toolbar separator design
* is for Nimbus. This custom painter is designed to handle this situation.
* When support is added to the design tool / code generator to deal with
* repeated patterns, then we can remove this class.
* <p>
*/
final class ToolBarSeparatorPainter extends AbstractRegionPainter {
private static final int SPACE = 3;
private static final int INSET = 2;
@Override
protected PaintContext getPaintContext() {
//the paint context returned will have a few dummy values. The
//implementation of doPaint doesn't bother with the "decode" methods
//but calculates where to paint the circles manually. As such, we
//only need to indicate in our PaintContext that we don't want this
//to ever be cached
return new PaintContext(
new Insets(1, 0, 1, 0),
new Dimension(38, 7),
false, CacheMode.NO_CACHING, 1, 1);
}
@Override
protected void doPaint(Graphics2D g, JComponent c, int width, int height, Object[] extendedCacheKeys) {
//it is assumed that in the normal orientation the separator renders
//horizontally. Other code rotates it as necessary for a vertical
//separator.
g.setColor(c.getForeground());
int y = height / 2;
for (int i=INSET; i<=width-INSET; i+=SPACE) {
g.fillRect(i, y, 1, 1);
}
}
}