progressbarpainter.java

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/*
 * ProgressBarPainter.java %E%
 *
 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package com.sun.java.swing.plaf.nimbus;

import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import javax.swing.*;
import com.sun.java.swing.Painter;

/**
 */
public final class ProgressBarPainter extends AbstractRegionPainter {
    //package private integers representing the available states that
    //this painter will paint. These are used when creating a new instance
    //of ProgressBarPainter to determine which region/state is being painted
    //by that instance.
    static final int BACKGROUND_ENABLED = 1;
    static final int BACKGROUND_DISABLED = 2;
    static final int FOREGROUND_ENABLED = 3;
    static final int FOREGROUND_ENABLED_FINISHED = 4;
    static final int FOREGROUND_ENABLED_INDETERMINATE = 5;
    static final int FOREGROUND_DISABLED = 6;
    static final int FOREGROUND_DISABLED_FINISHED = 7;
    static final int FOREGROUND_DISABLED_INDETERMINATE = 8;


    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 ProgressBarPainter would be created. For the moment at least,
    //however, all are created for each instance.
    private Color color1 = decodeColor("nimbusBlueGrey", 0.0f, -0.04845735f, -0.17647058f, 0);
    private Color color2 = decodeColor("nimbusBlueGrey", 0.0f, -0.061345987f, -0.027450979f, 0);
    private Color color3 = decodeColor("nimbusBlueGrey", 0.0f, -0.110526316f, 0.25490195f, 0);
    private Color color4 = decodeColor("nimbusBlueGrey", 0.0f, -0.097921275f, 0.18823528f, 0);
    private Color color5 = decodeColor("nimbusBlueGrey", 0.0138888955f, -0.0925083f, 0.12549019f, 0);
    private Color color6 = decodeColor("nimbusBlueGrey", 0.0f, -0.08222443f, 0.086274505f, 0);
    private Color color7 = decodeColor("nimbusBlueGrey", 0.0f, -0.08477524f, 0.16862744f, 0);
    private Color color8 = decodeColor("nimbusBlueGrey", 0.0f, -0.086996906f, 0.25490195f, 0);
    private Color color9 = decodeColor("nimbusBlueGrey", 0.0f, -0.061613273f, -0.02352941f, 0);
    private Color color10 = decodeColor("nimbusBlueGrey", -0.01111114f, -0.061265234f, 0.05098039f, 0);
    private Color color11 = decodeColor("nimbusBlueGrey", 0.0138888955f, -0.09378991f, 0.19215685f, 0);
    private Color color12 = decodeColor("nimbusBlueGrey", 0.0f, -0.08455229f, 0.1607843f, 0);
    private Color color13 = decodeColor("nimbusBlueGrey", -0.027777791f, -0.08362049f, 0.12941176f, 0);
    private Color color14 = decodeColor("nimbusBlueGrey", 0.007936537f, -0.07826825f, 0.10588235f, 0);
    private Color color15 = decodeColor("nimbusBlueGrey", 0.007936537f, -0.07982456f, 0.1490196f, 0);
    private Color color16 = decodeColor("nimbusBlueGrey", 0.007936537f, -0.08099045f, 0.18431371f, 0);
    private Color color17 = decodeColor("nimbusOrange", 0.0f, 0.0f, 0.0f, -156);
    private Color color18 = decodeColor("nimbusOrange", -0.015796512f, 0.02094239f, -0.15294117f, 0);
    private Color color19 = decodeColor("nimbusOrange", -0.004321605f, 0.02094239f, -0.0745098f, 0);
    private Color color20 = decodeColor("nimbusOrange", -0.008021399f, 0.02094239f, -0.10196078f, 0);
    private Color color21 = decodeColor("nimbusOrange", -0.011706904f, -0.1790576f, -0.02352941f, 0);
    private Color color22 = decodeColor("nimbusOrange", -0.048691254f, 0.02094239f, -0.3019608f, 0);
    private Color color23 = decodeColor("nimbusOrange", 0.003940329f, -0.7375322f, 0.17647058f, 0);
    private Color color24 = decodeColor("nimbusOrange", 0.005506739f, -0.46764207f, 0.109803915f, 0);
    private Color color25 = decodeColor("nimbusOrange", 0.0042127445f, -0.18595415f, 0.04705882f, 0);
    private Color color26 = decodeColor("nimbusOrange", 0.0047626942f, 0.02094239f, 0.0039215684f, 0);
    private Color color27 = decodeColor("nimbusOrange", 0.0047626942f, -0.15147138f, 0.1607843f, 0);
    private Color color28 = decodeColor("nimbusOrange", 0.010665476f, -0.27317524f, 0.25098038f, 0);
    private Color color29 = decodeColor("nimbusBlueGrey", -0.54444444f, -0.08748484f, 0.10588235f, 0);
    private Color color30 = decodeColor("nimbusOrange", 0.0047626942f, -0.21715283f, 0.23921567f, 0);
    private Color color31 = decodeColor("nimbusBlueGrey", 0.0f, -0.110526316f, 0.25490195f, -173);
    private Color color32 = decodeColor("nimbusBlueGrey", 0.0f, -0.110526316f, 0.25490195f, -170);
    private Color color33 = decodeColor("nimbusOrange", 0.024554357f, -0.8873145f, 0.10588235f, -156);
    private Color color34 = decodeColor("nimbusOrange", -0.023593787f, -0.7963165f, 0.02352941f, 0);
    private Color color35 = decodeColor("nimbusOrange", -0.010608241f, -0.7760873f, 0.043137252f, 0);
    private Color color36 = decodeColor("nimbusOrange", -0.015402906f, -0.7840576f, 0.035294116f, 0);
    private Color color37 = decodeColor("nimbusOrange", -0.017112307f, -0.8091547f, 0.058823526f, 0);
    private Color color38 = decodeColor("nimbusOrange", -0.07044564f, -0.844649f, -0.019607842f, 0);
    private Color color39 = decodeColor("nimbusOrange", -0.009704903f, -0.9381485f, 0.11372548f, 0);
    private Color color40 = decodeColor("nimbusOrange", -4.4563413E-4f, -0.86742973f, 0.09411764f, 0);
    private Color color41 = decodeColor("nimbusOrange", -4.4563413E-4f, -0.79896283f, 0.07843137f, 0);
    private Color color42 = decodeColor("nimbusOrange", 0.0013274103f, -0.7530961f, 0.06666666f, 0);
    private Color color43 = decodeColor("nimbusOrange", 0.0013274103f, -0.7644457f, 0.109803915f, 0);
    private Color color44 = decodeColor("nimbusOrange", 0.009244293f, -0.78794646f, 0.13333333f, 0);
    private Color color45 = decodeColor("nimbusBlueGrey", -0.015872955f, -0.0803539f, 0.16470587f, 0);
    private Color color46 = decodeColor("nimbusBlueGrey", 0.007936537f, -0.07968931f, 0.14509803f, 0);
    private Color color47 = decodeColor("nimbusBlueGrey", 0.02222228f, -0.08779904f, 0.11764705f, 0);
    private Color color48 = decodeColor("nimbusBlueGrey", 0.0138888955f, -0.075128086f, 0.14117646f, 0);
    private Color color49 = decodeColor("nimbusBlueGrey", 0.0138888955f, -0.07604356f, 0.16470587f, 0);
    private Color color50 = decodeColor("nimbusOrange", 0.0014062226f, -0.77816474f, 0.12941176f, 0);


    //Array of current component colors, updated in each paint call
    private Object[] componentColors;

    public ProgressBarPainter(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 BACKGROUND_DISABLED: paintBackgroundDisabled(g); break;
            case FOREGROUND_ENABLED: paintForegroundEnabled(g); break;
            case FOREGROUND_ENABLED_FINISHED: paintForegroundEnabledAndFinished(g); break;
            case FOREGROUND_ENABLED_INDETERMINATE: paintForegroundEnabledAndIndeterminate(g); break;
            case FOREGROUND_DISABLED: paintForegroundDisabled(g); break;
            case FOREGROUND_DISABLED_FINISHED: paintForegroundDisabledAndFinished(g); break;
            case FOREGROUND_DISABLED_INDETERMINATE: paintForegroundDisabledAndIndeterminate(g); break;

        }
    }
        


    @Override
    protected final PaintContext getPaintContext() {
        return ctx;
    }

    private void paintBackgroundEnabled(Graphics2D g) {
        rect = decodeRect1();
        g.setPaint(decodeGradient1(rect));
        g.fill(rect);
        rect = decodeRect2();
        g.setPaint(decodeGradient2(rect));
        g.fill(rect);

    }

    private void paintBackgroundDisabled(Graphics2D g) {
        rect = decodeRect1();
        g.setPaint(decodeGradient3(rect));
        g.fill(rect);
        rect = decodeRect2();
        g.setPaint(decodeGradient4(rect));
        g.fill(rect);

    }

    private void paintForegroundEnabled(Graphics2D g) {
        path = decodePath1();
        g.setPaint(color17);
        g.fill(path);
        rect = decodeRect3();
        g.setPaint(decodeGradient5(rect));
        g.fill(rect);
        rect = decodeRect4();
        g.setPaint(decodeGradient6(rect));
        g.fill(rect);

    }

    private void paintForegroundEnabledAndFinished(Graphics2D g) {
        path = decodePath2();
        g.setPaint(color17);
        g.fill(path);
        rect = decodeRect1();
        g.setPaint(decodeGradient5(rect));
        g.fill(rect);
        rect = decodeRect2();
        g.setPaint(decodeGradient6(rect));
        g.fill(rect);

    }

    private void paintForegroundEnabledAndIndeterminate(Graphics2D g) {
        rect = decodeRect5();
        g.setPaint(decodeGradient7(rect));
        g.fill(rect);
        path = decodePath3();
        g.setPaint(decodeGradient8(path));
        g.fill(path);
        rect = decodeRect6();
        g.setPaint(color31);
        g.fill(rect);
        rect = decodeRect7();
        g.setPaint(color32);
        g.fill(rect);

    }

    private void paintForegroundDisabled(Graphics2D g) {
        path = decodePath1();
        g.setPaint(color33);
        g.fill(path);
        rect = decodeRect3();
        g.setPaint(decodeGradient9(rect));
        g.fill(rect);