/* * 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 MenuBarPainter extends AbstractRegionPainter { //package private integers representing the available states that //this painter will paint. These are used when creating a new instance //of MenuBarPainter to determine which region/state is being painted //by that instance. static final int BACKGROUND_ENABLED = 1; static final int BORDER_ENABLED = 2; 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 MenuBarPainter would be created. For the moment at least, //however, all are created for each instance. private Color color1 = decodeColor("nimbusBlueGrey", 0.0f, -0.07016757f, 0.12941176f, 0); private Color color2 = decodeColor("nimbusBlueGrey", -0.027777791f, -0.10255819f, 0.23921567f, 0); private Color color3 = decodeColor("nimbusBlueGrey", -0.111111104f, -0.10654225f, 0.23921567f, -29); private Color color4 = decodeColor("nimbusBlueGrey", 0.0f, -0.110526316f, 0.25490195f, -255); private Color color5 = decodeColor("nimbusBorder", 0.0f, 0.0f, 0.0f, 0); //Array of current component colors, updated in each paint call private Object[] componentColors; public MenuBarPainter(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) { case BACKGROUND_ENABLED: paintBackgroundEnabled(g); break; case BORDER_ENABLED: paintBorderEnabled(g); break; } } @Override protected final PaintContext getPaintContext() { return ctx; } private void paintBackgroundEnabled(Graphics2D g) { rect = decodeRect1(); g.setPaint(color1); g.fill(rect); rect = decodeRect2(); g.setPaint(decodeGradient1(rect)); g.fill(rect); } private void paintBorderEnabled(Graphics2D g) { rect = decodeRect3(); g.setPaint(color5); g.fill(rect); } private Rectangle2D decodeRect1() { rect.setRect(decodeX(1.0f), //x decodeY(0.0f), //y decodeX(2.0f) - decodeX(1.0f), //width decodeY(1.9523809f) - decodeY(0.0f)); //height return rect; } private Rectangle2D decodeRect2() { rect.setRect(decodeX(1.0f), //x decodeY(0.0f), //y decodeX(2.0f) - decodeX(1.0f), //width decodeY(2.0f) - decodeY(0.0f)); //height return rect; } private Rectangle2D decodeRect3() { rect.setRect(decodeX(1.0f), //x decodeY(2.0f), //y decodeX(2.0f) - decodeX(1.0f), //width decodeY(3.0f) - decodeY(2.0f)); //height return rect; } private Paint decodeGradient1(Shape s) { Rectangle2D bounds = s.getBounds2D(); float x = (float)bounds.getX(); float y = (float)bounds.getY(); float w = (float)bounds.getWidth(); float h = (float)bounds.getHeight(); return decodeGradient((1.0f * w) + x, (0.0f * h) + y, (1.0f * w) + x, (1.0f * h) + y, new float[] { 0.0f,0.015f,0.03f,0.23354445f,0.7569444f }, new Color[] { color2, decodeColor(color2,color3,0.5f), color3, decodeColor(color3,color4,0.5f), color4}); } }