Radial Gradient
/*
* Copyright (c) 2007, Romain Guy
* 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 the TimingFramework project 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.
*/
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.RadialGradientPaint;
import java.awt.RenderingHints;
import java.awt.font.FontRenderContext;
import java.awt.font.TextLayout;
import java.awt.geom.AffineTransform;
import java.awt.geom.Area;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
/**
*
* @author Romain GUy
*/
public class RadialGradientApp extends JFrame {
/** Creates a new instance of RadialGradientApp */
public RadialGradientApp() {
super("Radial Gradient");
JPanel panel = new JPanel();
panel.add(new SphereComponent());
add(panel);
pack();
setLocationRelativeTo(null);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String... args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
new RadialGradientApp().setVisible(true);
}
});
}
}
/*
* Copyright (c) 2007, Romain Guy
* 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 the TimingFramework project 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.
*/
/**
*
* @author Romain Guy
*/
class SphereComponent extends JComponent {
/** Creates a new instance of SphereComponent */
public SphereComponent() {
}
@Override
public Dimension getPreferredSize() {
return new Dimension(120, 120);
}
@Override
protected void paintComponent(Graphics g) {
setFont(getFont().deriveFont(70.f).deriveFont(Font.BOLD));
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
// Retains the previous state
Paint oldPaint = g2.getPaint();
// Fills the circle with solid blue color
g2.setColor(new Color(0x0153CC));
g2.fillOval(0, 0, getWidth() - 1, getHeight() - 1);
// Adds shadows at the top
Paint p;
p = new GradientPaint(0, 0, new Color(0.0f, 0.0f, 0.0f, 0.4f),
0, getHeight(), new Color(0.0f, 0.0f, 0.0f, 0.0f));
g2.setPaint(p);
g2.fillOval(0, 0, getWidth() - 1, getHeight() - 1);
// Adds highlights at the bottom
p = new GradientPaint(0, 0, new Color(1.0f, 1.0f, 1.0f, 0.0f),
0, getHeight(), new Color(1.0f, 1.0f, 1.0f, 0.4f));
g2.setPaint(p);
g2.fillOval(0, 0, getWidth() - 1, getHeight() - 1);
// Creates dark edges for 3D effect
p = new RadialGradientPaint(new Point2D.Double(getWidth() / 2.0,
getHeight() / 2.0), getWidth() / 2.0f,
new float[] { 0.0f, 1.0f },
new Color[] { new Color(6, 76, 160, 127),
new Color(0.0f, 0.0f, 0.0f, 0.8f) });
g2.setPaint(p);
g2.fillOval(0, 0, getWidth() - 1, getHeight() - 1);
// Adds oval inner highlight at the bottom
p = new RadialGradientPaint(new Point2D.Double(getWidth() / 2.0,
getHeight() * 1.5), getWidth() / 2.3f,
new Point2D.Double(getWidth() / 2.0, getHeight() * 1.75 + 6),
new float[] { 0.0f, 0.8f },
new Color[] { new Color(64, 142, 203, 255),
new Color(64, 142, 203, 0) },
RadialGradientPaint.CycleMethod.NO_CYCLE,
RadialGradientPaint.ColorSpaceType.SRGB,
AffineTransform.getScaleInstance(1.0, 0.5));
g2.setPaint(p);
g2.fillOval(0, 0, getWidth() - 1, getHeight() - 1);
// Adds oval specular highlight at the top left
p = new RadialGradientPaint(new Point2D.Double(getWidth() / 2.0,
getHeight() / 2.0), getWidth() / 1.4f,
new Point2D.Double(45.0, 25.0),
new float[] { 0.0f, 0.5f },
new Color[] { new Color(1.0f, 1.0f, 1.0f, 0.4f),
new Color(1.0f, 1.0f, 1.0f, 0.0f) },
RadialGradientPaint.CycleMethod.NO_CYCLE);
g2.setPaint(p);
g2.fillOval(0, 0, getWidth() - 1, getHeight() - 1);
// Restores the previous state
g2.setPaint(oldPaint);
// Draws the logo
// FontRenderContext context = g2.getFontRenderContext();
// TextLayout layout = new TextLayout("R", getFont(), context);
// Rectangle2D bounds = layout.getBounds();
//
// float x = (getWidth() - (float) bounds.getWidth()) / 2.0f;
// float y = (getHeight() + (float) bounds.getHeight()) / 2.0f;
//
// g2.setColor(Color.WHITE);
// layout.draw(g2, x, y);
//
// Area shadow = new Area(layout.getOutline(null));
// shadow.subtract(new Area(layout.getOutline(AffineTransform.getTranslateInstance(1.0, 1.0))));
// g2.setColor(Color.BLACK);
// g2.translate(x, y);
// g2.fill(shadow);
// g2.translate(-x, -y);
}
}
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