paint Ball with GradientPaint - Java 2D Graphics

Java examples for 2D Graphics:Paint

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Description

paint Ball with GradientPaint

Demo Code

/* /*from  ww  w .j  a  v  a2s  .  com*/
 * Copyright 2008 Tom Huybrechts and hudson.dev.java.net
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 
 * implied. See the License for the specific language governing 
 * permissions and limitations under the License.  
 * 
 */
//package com.java2s;
import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.RadialGradientPaint;
import java.awt.RenderingHints;
import java.awt.geom.AffineTransform;

import java.awt.geom.Point2D;

public class Main {
    public static void paintBall(Graphics2D g2, Color c) {
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);

        int diameter = 16;

        // Retains the previous state
        Paint oldPaint = g2.getPaint();

        // Fills the circle with solid blue color
        g2.setColor(c);
        g2.fillOval(0, 0, diameter - 1, diameter - 1);

        // Adds shadows at the top
        Paint p;
        p = new GradientPaint(0, 0, new Color(0.0f, 0.0f, 0.0f, 0.4f), 0,
                diameter, new Color(0.0f, 0.0f, 0.0f, 0.0f));
        g2.setPaint(p);
        g2.fillOval(0, 0, diameter - 1, diameter - 1);

        // Adds highlights at the bottom
        p = new GradientPaint(0, 0, new Color(1.0f, 1.0f, 1.0f, 0.0f), 0,
                diameter, new Color(1.0f, 1.0f, 1.0f, 0.0f));
        g2.setPaint(p);
        g2.fillOval(0, 0, diameter - 1, diameter - 1);

        // Creates dark edges for 3D effect
        p = new RadialGradientPaint(new Point2D.Double(diameter * .4,
                diameter * .45), diameter / 2.0f,
                new float[] { 0.0f, 0.95f }, new Color[] {
                        new Color(c.getRed(), c.getGreen(), c.getBlue(),
                                127), new Color(0.0f, 0.0f, 0.0f, 0.0f) });
        g2.setPaint(p);
        g2.fillOval(0, 0, diameter - 1, diameter - 1);

        // Adds oval inner highlight at the bottom
        p = new RadialGradientPaint(new Point2D.Double(diameter / 2.0,
                diameter * 1.5), diameter / 2.3f, new Point2D.Double(
                diameter / 2.0, diameter * 1.75 + 6), new float[] { 0.0f,
                0.8f }, new Color[] {
                new Color(c.getRed(), c.getGreen(), c.getBlue(), 255),
                new Color(c.getRed(), c.getGreen(), c.getBlue(), 0) },
                RadialGradientPaint.CycleMethod.NO_CYCLE,
                RadialGradientPaint.ColorSpaceType.SRGB,
                AffineTransform.getScaleInstance(1.0, 0.5));
        g2.setPaint(p);
        g2.fillOval(0, 0, diameter - 1, diameter - 1);

        // Restores the previous state
        g2.setPaint(oldPaint);
    }
}

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