internalframepainter.java

来自「Mobile 应用程序使用 Java Micro Edition (Java M」· Java 代码 · 共 386 行 · 第 1/2 页

/*
 * InternalFramePainter.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 InternalFramePainter extends AbstractRegionPainter {
    //package private integers representing the available states that
    //this painter will paint. These are used when creating a new instance
    //of InternalFramePainter to determine which region/state is being painted
    //by that instance.
    static final int BACKGROUND_ENABLED = 1;
    static final int BACKGROUND_ENABLED_WINDOWFOCUSED = 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 InternalFramePainter would be created. For the moment at least,
    //however, all are created for each instance.
    private Color color1 = decodeColor("nimbusBase", 0.032459438f, -0.53637654f, 0.043137252f, 0);
    private Color color2 = decodeColor("nimbusBlueGrey", 0.004273474f, -0.039488062f, -0.027450979f, 0);
    private Color color3 = decodeColor("nimbusBlueGrey", -0.00505054f, -0.056339122f, 0.05098039f, 0);
    private Color color4 = decodeColor("nimbusBlueGrey", -0.01111114f, -0.06357796f, 0.09019607f, 0);
    private Color color5 = decodeColor("nimbusBlueGrey", 0.0f, -0.023821115f, -0.06666666f, 0);
    private Color color6 = decodeColor("control", 0.0f, 0.0f, 0.0f, 0);
    private Color color7 = decodeColor("nimbusBlueGrey", -0.006944418f, -0.07399663f, 0.11372548f, 0);
    private Color color8 = decodeColor("nimbusBase", 0.02551502f, -0.47885156f, -0.34901965f, 0);
    private Color color9 = new Color(255, 200, 0, 255);
    private Color color10 = decodeColor("nimbusBase", 0.004681647f, -0.6274498f, 0.39999998f, 0);
    private Color color11 = decodeColor("nimbusBase", 0.032459438f, -0.5934608f, 0.2862745f, 0);
    private Color color12 = new Color(204, 207, 213, 255);
    private Color color13 = decodeColor("nimbusBase", 0.032459438f, -0.55506915f, 0.18039215f, 0);
    private Color color14 = decodeColor("nimbusBase", 0.004681647f, -0.52792984f, 0.10588235f, 0);
    private Color color15 = decodeColor("nimbusBase", 0.03801495f, -0.4794643f, -0.04705882f, 0);
    private Color color16 = decodeColor("nimbusBase", 0.021348298f, -0.61416256f, 0.3607843f, 0);
    private Color color17 = decodeColor("nimbusBase", 0.032459438f, -0.5546332f, 0.17647058f, 0);
    private Color color18 = new Color(235, 236, 238, 255);


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

    public InternalFramePainter(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_ENABLED_WINDOWFOCUSED: paintBackgroundEnabledAndWindowFocused(g); break;

        }
    }
        


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

    private void paintBackgroundEnabled(Graphics2D g) {
        roundRect = decodeRoundRect1();
        g.setPaint(color1);
        g.fill(roundRect);
        path = decodePath1();
        g.setPaint(decodeGradient1(path));
        g.fill(path);
        path = decodePath2();
        g.setPaint(color3);
        g.fill(path);
        path = decodePath3();
        g.setPaint(color4);
        g.fill(path);
        path = decodePath4();
        g.setPaint(color5);
        g.fill(path);
        rect = decodeRect1();
        g.setPaint(color6);
        g.fill(rect);
        rect = decodeRect2();
        g.setPaint(color7);
        g.fill(rect);

    }

    private void paintBackgroundEnabledAndWindowFocused(Graphics2D g) {
        roundRect = decodeRoundRect2();
        g.setPaint(color8);
        g.fill(roundRect);
        path = decodePath5();
        g.setPaint(color9);
        g.fill(path);
        path = decodePath1();
        g.setPaint(decodeGradient2(path));
        g.fill(path);
        path = decodePath6();
        g.setPaint(color12);
        g.fill(path);
        path = decodePath7();
        g.setPaint(color13);
        g.fill(path);
        path = decodePath8();
        g.setPaint(color14);
        g.fill(path);
        path = decodePath9();
        g.setPaint(color15);
        g.fill(path);
        rect = decodeRect1();
        g.setPaint(color6);
        g.fill(rect);
        rect = decodeRect3();
        g.setPaint(color9);
        g.fill(rect);
        rect = decodeRect3();
        g.setPaint(color9);
        g.fill(rect);
        rect = decodeRect3();
        g.setPaint(color9);
        g.fill(rect);
        rect = decodeRect4();
        g.setPaint(decodeGradient3(rect));
        g.fill(rect);
        rect = decodeRect2();
        g.setPaint(color18);
        g.fill(rect);

    }



    private RoundRectangle2D decodeRoundRect1() {
        roundRect.setRoundRect(decodeX(0.0f), //x
                               decodeY(0.0f), //y
                               decodeX(3.0f) - decodeX(0.0f), //width
                               decodeY(3.0f) - decodeY(0.0f), //height
                               4.6666665f, 4.6666665f); //rounding
        return roundRect;
    }

    private Path2D decodePath1() {
        path.reset();
        path.moveTo(decodeX(0.16666667f), decodeY(0.12f));
        path.curveTo(decodeAnchorX(0.1666666716337204f, 0.0f), decodeAnchorY(0.11999999731779099f, -1.0f), decodeAnchorX(0.5f, -1.0f), decodeAnchorY(0.03999999910593033f, 0.0f), decodeX(0.5f), decodeY(0.04f));
        path.curveTo(decodeAnchorX(0.5f, 1.0f), decodeAnchorY(0.03999999910593033f, 0.0f), decodeAnchorX(2.5f, -1.0f), decodeAnchorY(0.03999999910593033f, 0.0f), decodeX(2.5f), decodeY(0.04f));
        path.curveTo(decodeAnchorX(2.5f, 1.0f), decodeAnchorY(0.03999999910593033f, 0.0f), decodeAnchorX(2.8333332538604736f, 0.0f), decodeAnchorY(0.11999999731779099f, -1.0f), decodeX(2.8333333f), decodeY(0.12f));
        path.curveTo(decodeAnchorX(2.8333332538604736f, 0.0f), decodeAnchorY(0.11999999731779099f, 1.0f), decodeAnchorX(2.8333332538604736f, 0.0f), decodeAnchorY(0.9599999785423279f, 0.0f), decodeX(2.8333333f), decodeY(0.96f));
        path.lineTo(decodeX(0.16666667f), decodeY(0.96f));
        path.curveTo(decodeAnchorX(0.1666666716337204f, 0.0f), decodeAnchorY(0.9599999785423279f, 0.0f), decodeAnchorX(0.1666666716337204f, 0.0f), decodeAnchorY(0.11999999731779099f, 1.0f), decodeX(0.16666667f), decodeY(0.12f));
        path.closePath();
        return path;
    }

    private Path2D decodePath2() {
        path.reset();
        path.moveTo(decodeX(0.6666667f), decodeY(0.96f));
        path.lineTo(decodeX(0.16666667f), decodeY(0.96f));
        path.curveTo(decodeAnchorX(0.1666666716337204f, 0.0f), decodeAnchorY(0.9599999785423279f, 0.0f), decodeAnchorX(0.1666666716337204f, 0.0f), decodeAnchorY(2.5f, -1.0f), decodeX(0.16666667f), decodeY(2.5f));
        path.curveTo(decodeAnchorX(0.1666666716337204f, 0.0f), decodeAnchorY(2.5f, 1.0f), decodeAnchorX(0.5f, -1.0f), decodeAnchorY(2.8333332538604736f, 0.0f), decodeX(0.5f), decodeY(2.8333333f));
        path.curveTo(decodeAnchorX(0.5f, 1.0f), decodeAnchorY(2.8333332538604736f, 0.0f), decodeAnchorX(2.5f, -1.0f), decodeAnchorY(2.8333332538604736f, 0.0f), decodeX(2.5f), decodeY(2.8333333f));
        path.curveTo(decodeAnchorX(2.5f, 1.0f), decodeAnchorY(2.8333332538604736f, 0.0f), decodeAnchorX(2.8333332538604736f, 0.0f), decodeAnchorY(2.5f, 1.0f), decodeX(2.8333333f), decodeY(2.5f));
        path.curveTo(decodeAnchorX(2.8333332538604736f, 0.0f), decodeAnchorY(2.5f, -1.0f), decodeAnchorX(2.8333332538604736f, 0.0f), decodeAnchorY(0.9599999785423279f, 0.0f), decodeX(2.8333333f), decodeY(0.96f));
        path.lineTo(decodeX(2.3333333f), decodeY(0.96f));
        path.lineTo(decodeX(2.3333333f), decodeY(2.3333333f));
        path.lineTo(decodeX(0.6666667f), decodeY(2.3333333f));
        path.lineTo(decodeX(0.6666667f), decodeY(0.96f));
        path.closePath();
        return path;