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/*
* Copyright 2008 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Sun Microsystems nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.sun.swingset3.utilities;
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Component;
import java.awt.FontMetrics;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
/**
*
* @author Administrator
*/
public class RoundedTitleBorder extends RoundedBorder {
private final String title;
private final Color[] titleGradientColors;
public RoundedTitleBorder(String title, Color titleGradientColor1, Color titleGradientColor2) {
super(10);
this.title = title;
this.titleGradientColors = new Color[2];
this.titleGradientColors[0] = titleGradientColor1;
this.titleGradientColors[1] = titleGradientColor2;
}
public Insets getBorderInsets(Component c, Insets insets) {
Insets borderInsets = super.getBorderInsets(c, insets);
borderInsets.top = getTitleHeight(c);
return borderInsets;
}
protected int getTitleHeight(Component c) {
FontMetrics metrics = c.getFontMetrics(c.getFont());
return (int)(metrics.getHeight() * 1.80);
}
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
int titleHeight = getTitleHeight(c);
// create image with vertical gradient and then use alpha composite to
// render the image with a horizontal fade
BufferedImage titleImage = Utilities.createTranslucentImage(width, titleHeight);
GradientPaint gradient = new GradientPaint(0, 0,
titleGradientColors[0], 0, titleHeight,
titleGradientColors[1], false);
Graphics2D g2 = (Graphics2D)titleImage.getGraphics();
g2.setPaint(gradient);
g2.fillRoundRect(x, y, width, height, 10, 10);
g2.setColor(Utilities.deriveColorHSB(
titleGradientColors[1], 0, 0, -.2f));
g2.drawLine(x + 1, titleHeight - 1, width - 2, titleHeight - 1);
g2.setColor(Utilities.deriveColorHSB(
titleGradientColors[1], 0, -.5f, .5f));
g2.drawLine(x + 1, titleHeight, width - 2, titleHeight);
g2.setPaint(new GradientPaint(0, 0, new Color(0.0f, 0.0f, 0.0f, 1.0f),
width, 0, new Color(0.0f, 0.0f, 0.0f, 0.0f)));
g2.setComposite(AlphaComposite.DstIn);
g2.fillRect(x, y, width, titleHeight);
g2.dispose();
g.drawImage(titleImage, x, y, c);
// draw rounded border
super.paintBorder(c, g, x, y, width, height);
// draw title string
g2 = (Graphics2D)g.create();
g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g2.setColor(c.getForeground());
g2.setFont(c.getFont());
FontMetrics metrics = c.getFontMetrics(c.getFont());
g2.drawString(title, x + 8,
y + (titleHeight - metrics.getHeight())/2 + metrics.getAscent());
g2.dispose();
}
}
