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125 lines
3.3 KiB
125 lines
3.3 KiB
/*
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* Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*/
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package javax.swing.plaf.nimbus;
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import java.awt.*;
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import java.awt.geom.*;
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import java.awt.image.*;
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import javax.swing.*;
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import javax.swing.Painter;
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final class TextPanePainter extends AbstractRegionPainter {
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//package private integers representing the available states that
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//this painter will paint. These are used when creating a new instance
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//of TextPanePainter to determine which region/state is being painted
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//by that instance.
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static final int BACKGROUND_DISABLED = 1;
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static final int BACKGROUND_ENABLED = 2;
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static final int BACKGROUND_SELECTED = 3;
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private int state; //refers to one of the static final ints above
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private PaintContext ctx;
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//the following 4 variables are reused during the painting code of the layers
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private Path2D path = new Path2D.Float();
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private Rectangle2D rect = new Rectangle2D.Float(0, 0, 0, 0);
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private RoundRectangle2D roundRect = new RoundRectangle2D.Float(0, 0, 0, 0, 0, 0);
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private Ellipse2D ellipse = new Ellipse2D.Float(0, 0, 0, 0);
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//All Colors used for painting are stored here. Ideally, only those colors being used
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//by a particular instance of TextPanePainter would be created. For the moment at least,
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//however, all are created for each instance.
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private Color color1 = decodeColor("nimbusBlueGrey", -0.015872955f, -0.07995863f, 0.15294117f, 0);
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private Color color2 = decodeColor("nimbusLightBackground", 0.0f, 0.0f, 0.0f, 0);
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//Array of current component colors, updated in each paint call
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private Object[] componentColors;
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public TextPanePainter(PaintContext ctx, int state) {
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super();
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this.state = state;
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this.ctx = ctx;
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}
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@Override
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protected void doPaint(Graphics2D g, JComponent c, int width, int height, Object[] extendedCacheKeys) {
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//populate componentColors array with colors calculated in getExtendedCacheKeys call
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componentColors = extendedCacheKeys;
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//generate this entire method. Each state/bg/fg/border combo that has
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//been painted gets its own KEY and paint method.
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switch(state) {
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case BACKGROUND_DISABLED: paintBackgroundDisabled(g); break;
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case BACKGROUND_ENABLED: paintBackgroundEnabled(g); break;
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case BACKGROUND_SELECTED: paintBackgroundSelected(g); break;
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}
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}
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@Override
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protected final PaintContext getPaintContext() {
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return ctx;
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}
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private void paintBackgroundDisabled(Graphics2D g) {
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rect = decodeRect1();
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g.setPaint(color1);
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g.fill(rect);
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}
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private void paintBackgroundEnabled(Graphics2D g) {
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rect = decodeRect1();
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g.setPaint(color2);
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g.fill(rect);
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}
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private void paintBackgroundSelected(Graphics2D g) {
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rect = decodeRect1();
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g.setPaint(color2);
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g.fill(rect);
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}
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private Rectangle2D decodeRect1() {
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rect.setRect(decodeX(0.0f), //x
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decodeY(0.0f), //y
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decodeX(3.0f) - decodeX(0.0f), //width
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decodeY(3.0f) - decodeY(0.0f)); //height
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return rect;
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}
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}
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