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298 lines
9.2 KiB
298 lines
9.2 KiB
/*
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* Copyright (c) 1997, 2013, 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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*/
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package javax.swing.border;
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import java.awt.Graphics;
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import java.awt.Insets;
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import java.awt.Color;
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import java.awt.Component;
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import java.beans.ConstructorProperties;
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/**
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* A class which implements a simple two-line bevel border.
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* <p>
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* <strong>Warning:</strong>
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* Serialized objects of this class will not be compatible with
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* future Swing releases. The current serialization support is
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* appropriate for short term storage or RMI between applications running
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* the same version of Swing. As of 1.4, support for long term storage
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* of all JavaBeans™
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* has been added to the <code>java.beans</code> package.
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* Please see {@link java.beans.XMLEncoder}.
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*
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* @author David Kloba
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*/
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public class BevelBorder extends AbstractBorder
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{
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/** Raised bevel type. */
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public static final int RAISED = 0;
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/** Lowered bevel type. */
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public static final int LOWERED = 1;
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protected int bevelType;
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protected Color highlightOuter;
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protected Color highlightInner;
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protected Color shadowInner;
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protected Color shadowOuter;
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/**
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* Creates a bevel border with the specified type and whose
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* colors will be derived from the background color of the
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* component passed into the paintBorder method.
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* @param bevelType the type of bevel for the border
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*/
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public BevelBorder(int bevelType) {
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this.bevelType = bevelType;
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}
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/**
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* Creates a bevel border with the specified type, highlight and
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* shadow colors.
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* @param bevelType the type of bevel for the border
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* @param highlight the color to use for the bevel highlight
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* @param shadow the color to use for the bevel shadow
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*/
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public BevelBorder(int bevelType, Color highlight, Color shadow) {
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this(bevelType, highlight.brighter(), highlight, shadow, shadow.brighter());
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}
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/**
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* Creates a bevel border with the specified type, highlight and
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* shadow colors.
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*
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* @param bevelType the type of bevel for the border
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* @param highlightOuterColor the color to use for the bevel outer highlight
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* @param highlightInnerColor the color to use for the bevel inner highlight
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* @param shadowOuterColor the color to use for the bevel outer shadow
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* @param shadowInnerColor the color to use for the bevel inner shadow
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*/
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@ConstructorProperties({"bevelType", "highlightOuterColor", "highlightInnerColor", "shadowOuterColor", "shadowInnerColor"})
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public BevelBorder(int bevelType, Color highlightOuterColor,
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Color highlightInnerColor, Color shadowOuterColor,
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Color shadowInnerColor) {
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this(bevelType);
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this.highlightOuter = highlightOuterColor;
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this.highlightInner = highlightInnerColor;
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this.shadowOuter = shadowOuterColor;
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this.shadowInner = shadowInnerColor;
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}
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/**
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* Paints the border for the specified component with the specified
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* position and size.
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* @param c the component for which this border is being painted
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* @param g the paint graphics
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* @param x the x position of the painted border
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* @param y the y position of the painted border
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* @param width the width of the painted border
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* @param height the height of the painted border
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*/
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public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
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if (bevelType == RAISED) {
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paintRaisedBevel(c, g, x, y, width, height);
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} else if (bevelType == LOWERED) {
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paintLoweredBevel(c, g, x, y, width, height);
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}
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}
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/**
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* Reinitialize the insets parameter with this Border's current Insets.
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* @param c the component for which this border insets value applies
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* @param insets the object to be reinitialized
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*/
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public Insets getBorderInsets(Component c, Insets insets) {
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insets.set(2, 2, 2, 2);
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return insets;
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}
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/**
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* Returns the outer highlight color of the bevel border
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* when rendered on the specified component. If no highlight
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* color was specified at instantiation, the highlight color
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* is derived from the specified component's background color.
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* @param c the component for which the highlight may be derived
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* @since 1.3
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*/
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public Color getHighlightOuterColor(Component c) {
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Color highlight = getHighlightOuterColor();
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return highlight != null? highlight :
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c.getBackground().brighter().brighter();
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}
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/**
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* Returns the inner highlight color of the bevel border
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* when rendered on the specified component. If no highlight
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* color was specified at instantiation, the highlight color
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* is derived from the specified component's background color.
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* @param c the component for which the highlight may be derived
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* @since 1.3
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*/
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public Color getHighlightInnerColor(Component c) {
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Color highlight = getHighlightInnerColor();
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return highlight != null? highlight :
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c.getBackground().brighter();
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}
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/**
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* Returns the inner shadow color of the bevel border
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* when rendered on the specified component. If no shadow
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* color was specified at instantiation, the shadow color
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* is derived from the specified component's background color.
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* @param c the component for which the shadow may be derived
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* @since 1.3
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*/
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public Color getShadowInnerColor(Component c) {
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Color shadow = getShadowInnerColor();
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return shadow != null? shadow :
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c.getBackground().darker();
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}
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/**
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* Returns the outer shadow color of the bevel border
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* when rendered on the specified component. If no shadow
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* color was specified at instantiation, the shadow color
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* is derived from the specified component's background color.
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* @param c the component for which the shadow may be derived
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* @since 1.3
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*/
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public Color getShadowOuterColor(Component c) {
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Color shadow = getShadowOuterColor();
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return shadow != null? shadow :
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c.getBackground().darker().darker();
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}
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/**
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* Returns the outer highlight color of the bevel border.
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* Will return null if no highlight color was specified
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* at instantiation.
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* @since 1.3
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*/
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public Color getHighlightOuterColor() {
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return highlightOuter;
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}
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/**
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* Returns the inner highlight color of the bevel border.
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* Will return null if no highlight color was specified
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* at instantiation.
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* @since 1.3
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*/
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public Color getHighlightInnerColor() {
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return highlightInner;
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}
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/**
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* Returns the inner shadow color of the bevel border.
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* Will return null if no shadow color was specified
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* at instantiation.
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* @since 1.3
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*/
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public Color getShadowInnerColor() {
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return shadowInner;
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}
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/**
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* Returns the outer shadow color of the bevel border.
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* Will return null if no shadow color was specified
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* at instantiation.
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* @since 1.3
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*/
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public Color getShadowOuterColor() {
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return shadowOuter;
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}
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/**
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* Returns the type of the bevel border.
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*/
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public int getBevelType() {
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return bevelType;
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}
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/**
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* Returns whether or not the border is opaque.
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*/
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public boolean isBorderOpaque() { return true; }
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protected void paintRaisedBevel(Component c, Graphics g, int x, int y,
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int width, int height) {
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Color oldColor = g.getColor();
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int h = height;
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int w = width;
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g.translate(x, y);
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g.setColor(getHighlightOuterColor(c));
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g.drawLine(0, 0, 0, h-2);
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g.drawLine(1, 0, w-2, 0);
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g.setColor(getHighlightInnerColor(c));
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g.drawLine(1, 1, 1, h-3);
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g.drawLine(2, 1, w-3, 1);
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g.setColor(getShadowOuterColor(c));
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g.drawLine(0, h-1, w-1, h-1);
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g.drawLine(w-1, 0, w-1, h-2);
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g.setColor(getShadowInnerColor(c));
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g.drawLine(1, h-2, w-2, h-2);
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g.drawLine(w-2, 1, w-2, h-3);
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g.translate(-x, -y);
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g.setColor(oldColor);
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}
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protected void paintLoweredBevel(Component c, Graphics g, int x, int y,
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int width, int height) {
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Color oldColor = g.getColor();
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int h = height;
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int w = width;
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g.translate(x, y);
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g.setColor(getShadowInnerColor(c));
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g.drawLine(0, 0, 0, h-1);
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g.drawLine(1, 0, w-1, 0);
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g.setColor(getShadowOuterColor(c));
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g.drawLine(1, 1, 1, h-2);
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g.drawLine(2, 1, w-2, 1);
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g.setColor(getHighlightOuterColor(c));
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g.drawLine(1, h-1, w-1, h-1);
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g.drawLine(w-1, 1, w-1, h-2);
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g.setColor(getHighlightInnerColor(c));
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g.drawLine(2, h-2, w-2, h-2);
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g.drawLine(w-2, 2, w-2, h-3);
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g.translate(-x, -y);
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g.setColor(oldColor);
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}
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}
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