/* * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package javax.swing.plaf.nimbus; import java.awt.*; import java.awt.geom.*; import java.awt.image.*; import javax.swing.*; import javax.swing.Painter; final class TabbedPanePainter extends AbstractRegionPainter { //package private integers representing the available states that //this painter will paint. These are used when creating a new instance //of TabbedPanePainter to determine which region/state is being painted //by that instance. static final int BACKGROUND_DISABLED = 1; static final int BACKGROUND_ENABLED = 2; static final int BACKGROUND_FOCUSED = 3; static final int BACKGROUND_MOUSEOVER = 4; static final int BACKGROUND_PRESSED = 5; private int state; //refers to one of the static final ints above private PaintContext ctx; //the following 4 variables are reused during the painting code of the layers private Path2D path = new Path2D.Float(); private Rectangle2D rect = new Rectangle2D.Float(0, 0, 0, 0); private RoundRectangle2D roundRect = new RoundRectangle2D.Float(0, 0, 0, 0, 0, 0); private Ellipse2D ellipse = new Ellipse2D.Float(0, 0, 0, 0); //All Colors used for painting are stored here. Ideally, only those colors being used //by a particular instance of TabbedPanePainter would be created. For the moment at least, //however, all are created for each instance. //Array of current component colors, updated in each paint call private Object[] componentColors; public TabbedPanePainter(PaintContext ctx, int state) { super(); this.state = state; this.ctx = ctx; } @Override protected void doPaint(Graphics2D g, JComponent c, int width, int height, Object[] extendedCacheKeys) { //populate componentColors array with colors calculated in getExtendedCacheKeys call componentColors = extendedCacheKeys; //generate this entire method. Each state/bg/fg/border combo that has //been painted gets its own KEY and paint method. switch(state) { } } @Override protected final PaintContext getPaintContext() { return ctx; } }