comboboxpainter.java

来自「Mobile 应用程序使用 Java Micro Edition (Java M」· Java 代码 · 共 717 行 · 第 1/3 页

/*
 * ComboBoxPainter.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 ComboBoxPainter extends AbstractRegionPainter {
    //package private integers representing the available states that
    //this painter will paint. These are used when creating a new instance
    //of ComboBoxPainter to determine which region/state is being painted
    //by that instance.
    static final int BACKGROUND_DISABLED = 1;
    static final int BACKGROUND_DISABLED_PRESSED = 2;
    static final int BACKGROUND_ENABLED = 3;
    static final int BACKGROUND_FOCUSED = 4;
    static final int BACKGROUND_MOUSEOVER_FOCUSED = 5;
    static final int BACKGROUND_MOUSEOVER = 6;
    static final int BACKGROUND_PRESSED_FOCUSED = 7;
    static final int BACKGROUND_PRESSED = 8;
    static final int BACKGROUND_ENABLED_SELECTED = 9;
    static final int BACKGROUND_DISABLED_EDITABLE = 10;
    static final int BACKGROUND_ENABLED_EDITABLE = 11;
    static final int BACKGROUND_FOCUSED_EDITABLE = 12;
    static final int BACKGROUND_MOUSEOVER_EDITABLE = 13;
    static final int BACKGROUND_PRESSED_EDITABLE = 14;


    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 ComboBoxPainter would be created. For the moment at least,
    //however, all are created for each instance.
    private Color color1 = decodeColor("nimbusBlueGrey", -0.6111111f, -0.110526316f, -0.74509805f, -247);
    private Color color2 = decodeColor("nimbusBase", 0.032459438f, -0.5928571f, 0.2745098f, 0);
    private Color color3 = decodeColor("nimbusBase", 0.032459438f, -0.590029f, 0.2235294f, 0);
    private Color color4 = decodeColor("nimbusBase", 0.032459438f, -0.60996324f, 0.36470586f, 0);
    private Color color5 = decodeColor("nimbusBase", 0.040395975f, -0.60474086f, 0.33725488f, 0);
    private Color color6 = decodeColor("nimbusBase", 0.032459438f, -0.5953556f, 0.32549018f, 0);
    private Color color7 = decodeColor("nimbusBase", 0.032459438f, -0.5957143f, 0.3333333f, 0);
    private Color color8 = decodeColor("nimbusBase", 0.021348298f, -0.56289876f, 0.2588235f, 0);
    private Color color9 = decodeColor("nimbusBase", 0.010237217f, -0.55799407f, 0.20784312f, 0);
    private Color color10 = decodeColor("nimbusBase", 0.021348298f, -0.59223604f, 0.35294116f, 0);
    private Color color11 = decodeColor("nimbusBase", 0.02391243f, -0.5774183f, 0.32549018f, 0);
    private Color color12 = decodeColor("nimbusBase", 0.021348298f, -0.56722116f, 0.3098039f, 0);
    private Color color13 = decodeColor("nimbusBase", 0.021348298f, -0.567841f, 0.31764704f, 0);
    private Color color14 = decodeColor("nimbusBlueGrey", 0.0f, 0.0f, -0.22f, -176);
    private Color color15 = decodeColor("nimbusBase", 0.032459438f, -0.5787523f, 0.07058823f, 0);
    private Color color16 = decodeColor("nimbusBase", 0.032459438f, -0.5399696f, -0.18039218f, 0);
    private Color color17 = decodeColor("nimbusBase", 0.08801502f, -0.63174605f, 0.43921566f, 0);
    private Color color18 = decodeColor("nimbusBase", 0.040395975f, -0.6054113f, 0.35686272f, 0);
    private Color color19 = decodeColor("nimbusBase", 0.032459438f, -0.5998577f, 0.4352941f, 0);
    private Color color20 = decodeColor("nimbusBase", 5.1498413E-4f, -0.34585923f, -0.007843137f, 0);
    private Color color21 = decodeColor("nimbusBase", 5.1498413E-4f, -0.095173776f, -0.25882354f, 0);
    private Color color22 = decodeColor("nimbusBase", 0.004681647f, -0.6197143f, 0.43137252f, 0);
    private Color color23 = decodeColor("nimbusBase", -0.0028941035f, -0.4800539f, 0.28235292f, 0);
    private Color color24 = decodeColor("nimbusBase", 5.1498413E-4f, -0.43866998f, 0.24705881f, 0);
    private Color color25 = decodeColor("nimbusBase", 5.1498413E-4f, -0.4625541f, 0.35686272f, 0);
    private Color color26 = decodeColor("nimbusFocus", 0.0f, 0.0f, 0.0f, 0);
    private Color color27 = decodeColor("nimbusBase", 0.032459438f, -0.54616207f, -0.02352941f, 0);
    private Color color28 = decodeColor("nimbusBase", 0.032459438f, -0.41349208f, -0.33725494f, 0);
    private Color color29 = decodeColor("nimbusBase", 0.08801502f, -0.6317773f, 0.4470588f, 0);
    private Color color30 = decodeColor("nimbusBase", 0.032459438f, -0.6113241f, 0.41568625f, 0);
    private Color color31 = decodeColor("nimbusBase", 0.032459438f, -0.5985242f, 0.39999998f, 0);
    private Color color32 = decodeColor("nimbusBase", 0.0f, -0.6357143f, 0.45098037f, 0);
    private Color color33 = decodeColor("nimbusBase", 0.0013483167f, -0.1769987f, -0.12156865f, 0);
    private Color color34 = decodeColor("nimbusBase", 0.059279382f, 0.3642857f, -0.43529415f, 0);
    private Color color35 = decodeColor("nimbusBase", 0.004681647f, -0.6198413f, 0.43921566f, 0);
    private Color color36 = decodeColor("nimbusBase", -8.738637E-4f, -0.50527954f, 0.35294116f, 0);
    private Color color37 = decodeColor("nimbusBase", 5.1498413E-4f, -0.4555341f, 0.3215686f, 0);
    private Color color38 = decodeColor("nimbusBase", 5.1498413E-4f, -0.4757143f, 0.43137252f, 0);
    private Color color39 = decodeColor("nimbusBase", 0.08801502f, 0.3642857f, -0.52156866f, 0);
    private Color color40 = decodeColor("nimbusBase", 0.032459438f, -0.5246032f, -0.12549022f, 0);
    private Color color41 = decodeColor("nimbusBase", 0.027408898f, -0.5847884f, 0.2980392f, 0);
    private Color color42 = decodeColor("nimbusBase", 0.026611507f, -0.53623784f, 0.19999999f, 0);
    private Color color43 = decodeColor("nimbusBase", 0.029681683f, -0.52701867f, 0.17254901f, 0);
    private Color color44 = decodeColor("nimbusBase", 0.03801495f, -0.5456242f, 0.3215686f, 0);
    private Color color45 = decodeColor("nimbusBase", -0.57865167f, -0.6357143f, -0.54901963f, 0);
    private Color color46 = decodeColor("nimbusBase", -3.528595E-5f, 0.018606722f, -0.23137257f, 0);
    private Color color47 = decodeColor("nimbusBase", -4.2033195E-4f, -0.38050595f, 0.20392156f, 0);
    private Color color48 = decodeColor("nimbusBase", 4.081726E-4f, -0.12922078f, 0.054901958f, 0);
    private Color color49 = decodeColor("nimbusBase", 0.0f, -0.00895375f, 0.007843137f, 0);
    private Color color50 = decodeColor("nimbusBase", -0.0015907288f, -0.1436508f, 0.19215685f, 0);
    private Color color51 = decodeColor("nimbusBlueGrey", 0.0f, -0.110526316f, 0.25490195f, -83);
    private Color color52 = decodeColor("nimbusBlueGrey", 0.0f, -0.110526316f, 0.25490195f, -88);
    private Color color53 = decodeColor("nimbusBlueGrey", 0.0f, -0.005263157f, -0.52156866f, -191);


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

    public ComboBoxPainter(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_DISABLED: paintBackgroundDisabled(g); break;
            case BACKGROUND_DISABLED_PRESSED: paintBackgroundDisabledAndPressed(g); break;
            case BACKGROUND_ENABLED: paintBackgroundEnabled(g); break;
            case BACKGROUND_FOCUSED: paintBackgroundFocused(g); break;
            case BACKGROUND_MOUSEOVER_FOCUSED: paintBackgroundMouseOverAndFocused(g); break;
            case BACKGROUND_MOUSEOVER: paintBackgroundMouseOver(g); break;
            case BACKGROUND_PRESSED_FOCUSED: paintBackgroundPressedAndFocused(g); break;
            case BACKGROUND_PRESSED: paintBackgroundPressed(g); break;
            case BACKGROUND_ENABLED_SELECTED: paintBackgroundEnabledAndSelected(g); break;
            case BACKGROUND_DISABLED_EDITABLE: paintBackgroundDisabledAndEditable(g); break;
            case BACKGROUND_ENABLED_EDITABLE: paintBackgroundEnabledAndEditable(g); break;
            case BACKGROUND_FOCUSED_EDITABLE: paintBackgroundFocusedAndEditable(g); break;
            case BACKGROUND_MOUSEOVER_EDITABLE: paintBackgroundMouseOverAndEditable(g); break;
            case BACKGROUND_PRESSED_EDITABLE: paintBackgroundPressedAndEditable(g); break;

        }
    }
        
    protected Object[] getExtendedCacheKeys(JComponent c) {
        Object[] extendedCacheKeys = null;
        switch(state) {
            case BACKGROUND_ENABLED:
                extendedCacheKeys = new Object[] {
                     getComponentColor(c, "background", color17, -0.63174605f, 0.43921566f, 0),
                     getComponentColor(c, "background", color18, -0.6054113f, 0.35686272f, 0),
                     getComponentColor(c, "background", color6, -0.5953556f, 0.32549018f, 0),
                     getComponentColor(c, "background", color19, -0.5998577f, 0.4352941f, 0),
                     getComponentColor(c, "background", color22, -0.6197143f, 0.43137252f, 0),
                     getComponentColor(c, "background", color23, -0.4800539f, 0.28235292f, 0),
                     getComponentColor(c, "background", color24, -0.43866998f, 0.24705881f, 0),
                     getComponentColor(c, "background", color25, -0.4625541f, 0.35686272f, 0)};
                break;
            case BACKGROUND_FOCUSED:
                extendedCacheKeys = new Object[] {
                     getComponentColor(c, "background", color17, -0.63174605f, 0.43921566f, 0),
                     getComponentColor(c, "background", color18, -0.6054113f, 0.35686272f, 0),
                     getComponentColor(c, "background", color6, -0.5953556f, 0.32549018f, 0),
                     getComponentColor(c, "background", color19, -0.5998577f, 0.4352941f, 0),
                     getComponentColor(c, "background", color22, -0.6197143f, 0.43137252f, 0),
                     getComponentColor(c, "background", color23, -0.4800539f, 0.28235292f, 0),
                     getComponentColor(c, "background", color24, -0.43866998f, 0.24705881f, 0),
                     getComponentColor(c, "background", color25, -0.4625541f, 0.35686272f, 0)};
                break;
            case BACKGROUND_MOUSEOVER_FOCUSED:
                extendedCacheKeys = new Object[] {
                     getComponentColor(c, "background", color29, -0.6317773f, 0.4470588f, 0),
                     getComponentColor(c, "background", color30, -0.6113241f, 0.41568625f, 0),
                     getComponentColor(c, "background", color31, -0.5985242f, 0.39999998f, 0),
                     getComponentColor(c, "background", color32, -0.6357143f, 0.45098037f, 0),
                     getComponentColor(c, "background", color35, -0.6198413f, 0.43921566f, 0),
                     getComponentColor(c, "background", color36, -0.50527954f, 0.35294116f, 0),
                     getComponentColor(c, "background", color37, -0.4555341f, 0.3215686f, 0),
                     getComponentColor(c, "background", color25, -0.4625541f, 0.35686272f, 0),
                     getComponentColor(c, "background", color38, -0.4757143f, 0.43137252f, 0)};
                break;
            case BACKGROUND_MOUSEOVER:
                extendedCacheKeys = new Object[] {
                     getComponentColor(c, "background", color29, -0.6317773f, 0.4470588f, 0),
                     getComponentColor(c, "background", color30, -0.6113241f, 0.41568625f, 0),
                     getComponentColor(c, "background", color31, -0.5985242f, 0.39999998f, 0),
                     getComponentColor(c, "background", color32, -0.6357143f, 0.45098037f, 0),
                     getComponentColor(c, "background", color35, -0.6198413f, 0.43921566f, 0),
                     getComponentColor(c, "background", color36, -0.50527954f, 0.35294116f, 0),
                     getComponentColor(c, "background", color37, -0.4555341f, 0.3215686f, 0),
                     getComponentColor(c, "background", color25, -0.4625541f, 0.35686272f, 0),
                     getComponentColor(c, "background", color38, -0.4757143f, 0.43137252f, 0)};
                break;
            case BACKGROUND_PRESSED_FOCUSED:
                extendedCacheKeys = new Object[] {
                     getComponentColor(c, "background", color41, -0.5847884f, 0.2980392f, 0),
                     getComponentColor(c, "background", color42, -0.53623784f, 0.19999999f, 0),
                     getComponentColor(c, "background", color43, -0.52701867f, 0.17254901f, 0),
                     getComponentColor(c, "background", color44, -0.5456242f, 0.3215686f, 0),
                     getComponentColor(c, "background", color47, -0.38050595f, 0.20392156f, 0),
                     getComponentColor(c, "background", color48, -0.12922078f, 0.054901958f, 0),
                     getComponentColor(c, "background", color49, -0.00895375f, 0.007843137f, 0),
                     getComponentColor(c, "background", color50, -0.1436508f, 0.19215685f, 0)};
                break;
            case BACKGROUND_PRESSED:
                extendedCacheKeys = new Object[] {
                     getComponentColor(c, "background", color41, -0.5847884f, 0.2980392f, 0),
                     getComponentColor(c, "background", color42, -0.53623784f, 0.19999999f, 0),
                     getComponentColor(c, "background", color43, -0.52701867f, 0.17254901f, 0),
                     getComponentColor(c, "background", color44, -0.5456242f, 0.3215686f, 0),
                     getComponentColor(c, "background", color47, -0.38050595f, 0.20392156f, 0),
                     getComponentColor(c, "background", color48, -0.12922078f, 0.054901958f, 0),
                     getComponentColor(c, "background", color49, -0.00895375f, 0.007843137f, 0),
                     getComponentColor(c, "background", color50, -0.1436508f, 0.19215685f, 0)};
                break;
            case BACKGROUND_ENABLED_SELECTED:
                extendedCacheKeys = new Object[] {
                     getComponentColor(c, "background", color41, -0.5847884f, 0.2980392f, 0),
                     getComponentColor(c, "background", color42, -0.53623784f, 0.19999999f, 0),
                     getComponentColor(c, "background", color43, -0.52701867f, 0.17254901f, 0),
                     getComponentColor(c, "background", color44, -0.5456242f, 0.3215686f, 0),
                     getComponentColor(c, "background", color47, -0.38050595f, 0.20392156f, 0),
                     getComponentColor(c, "background", color48, -0.12922078f, 0.054901958f, 0),
                     getComponentColor(c, "background", color49, -0.00895375f, 0.007843137f, 0),
                     getComponentColor(c, "background", color50, -0.1436508f, 0.19215685f, 0)};
                break;
        }
        return extendedCacheKeys;
    }

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

    private void paintBackgroundDisabled(Graphics2D g) {
        path = decodePath1();
        g.setPaint(color1);
        g.fill(path);
        path = decodePath2();
        g.setPaint(decodeGradient1(path));
        g.fill(path);
        path = decodePath3();
        g.setPaint(decodeGradient2(path));
        g.fill(path);