/*
* RoundedBorder.java
* Eisenkraut
*
* Copyright (c) 2004-2014 Hanns Holger Rutz. All rights reserved.
*
* This software is published under the GNU General Public License v3+
*
*
* For further information, please contact Hanns Holger Rutz at
* contact@sciss.de
*/
package de.sciss.eisenkraut.gui;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Component;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.Paint;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.geom.AffineTransform;
import java.awt.geom.Area;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RectangularShape;
import java.awt.geom.RoundRectangle2D;
import javax.swing.border.AbstractBorder;
/**
* A border looking like aqua's search-field border
*
* @author Hanns Holger Rutz
* @version 0.70, 07-Dec-07
*/
public class RoundedBorder
extends AbstractBorder
{
private final int radius = 11;
private final int diameter = radius << 1;
private final Insets insets = new Insets( 3, radius, 1, radius );
private static final Color colrDark = new Color( 0x00, 0x00, 0x00, 0x88 );
private static final Color colrLight = new Color( 0xFF, 0xFF, 0xFF, 0xD8 );
// private static final Color colrLight = new Color( 0xFF, 0x00, 0x00, 0xFF );
private static final Color colrDark2 = new Color( 0x00, 0x00, 0x00, 0x38 );
private static final Color colrClearD = new Color( 0x00, 0x00, 0x00, 0x00 );
private static final Color colrClearL = new Color( 0xFF, 0xFF, 0xFF, 0x00 );
private static final Stroke strkOutline = new BasicStroke( 1.0f );
private static final Stroke strkInline = new BasicStroke( 2.0f );
private Color colrBg = Color.white;
private Paint pntInline, pntOutlineT, pntOutlineB;
private Shape shpBg, shpInline, shpOutline;
private int recentWidth = -1;
private int recentHeight = -1;
public RoundedBorder()
{
super();
}
public RoundedBorder( Color c )
{
this();
setColor( c );
}
public void setColor( Color c )
{
colrBg = c;
}
public Insets getBorderInsets( Component c )
{
return new Insets( insets.top, insets.left, insets.bottom, insets.right );
}
public Insets getBorderInsets( Component c, Insets i )
{
i.top = insets.top;
i.left = insets.left;
i.bottom = insets.bottom;
i.right = insets.right;
return i;
}
public void paintBorder( Component c, Graphics g, int x, int y, int width, int height )
{
final Graphics2D g2 = (Graphics2D) g;
final AffineTransform atOrig = g2.getTransform();
g2.translate( x, y );
if( (width != recentWidth) || (height != recentHeight) ) {
if( height != recentHeight ) {
final int hh = height >> 1;
pntOutlineT = new GradientPaint( 0, 0, colrDark, 0, hh, colrClearD );
pntOutlineB = new GradientPaint( 0, hh, colrClearL, 0, height - 2, colrLight );
pntInline = new GradientPaint( 0, 0, colrDark2, 0, hh, colrClearD );
}
final RectangularShape r = new RoundRectangle2D.Float( 0.5f, 0, width - 1, height, diameter, diameter );
final RectangularShape r2 = new RoundRectangle2D.Float( 0.5f, 0, width - 2, height - 1, diameter, diameter );
final Area a = new Area( r );
a.subtract( new Area( new Rectangle2D.Float( insets.left, insets.top,
width - insets.left - insets.right, height - insets.top - insets.bottom )));
shpOutline = strkOutline.createStrokedShape( r2 );
shpInline = strkInline.createStrokedShape( r2 );
shpBg = a;
recentWidth = width;
recentHeight = height;
}
g2.setRenderingHint( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON );
g2.setPaint( colrBg );
g2.fill( shpBg );
g2.setPaint( pntOutlineT );
g2.fill( shpOutline );
g2.setPaint( pntOutlineB );
g2.fill( shpOutline );
g2.translate( 0, 1 );
g2.setPaint( pntInline );
g2.fill( shpInline );
g2.setTransform( atOrig );
}
}