messageimage.java

java编写的小游戏

import java.awt.AlphaComposite;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
/**
* Copyright 2008
*
* 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.
*
* @project loonframework
* @author chenpeng
* @email：[e-mail]
* @version 0.1
*/
public class MessageImage extends Canvas {
 
/*

  *
  */
 private static final long serialVersionUID = 1L;
 private BufferedImage fontImage;
 private Graphics2D g2d;
 
 private Image backImage;
 
 final static private int WIDTH = 600;
 final static private int HEIGHT = 480;
 public MessageImage(final String messages) {
 fontImage = new BufferedImage(WIDTH, HEIGHT, 2);
 g2d = fontImage.createGraphics();
 try {
 backImage=ImageIO.read(new File("jzym_lightning/jzym.net/lightning/lightning/back3.gif"));
 } catch (IOException e) {
	e.printStackTrace();
 }

g2d.drawImage(backImage, 0, 0, null);
setAlpha(g2d, 0.7);
int size = 25;
 int newLine = (WIDTH / size) - 10;
 char[] messageChars = messages.toCharArray();
 boolean d = true;
 StringBuilder sbr = new StringBuilder();
 int count = 0;
 int len = messageChars.length - 1;
 String fontStyle = "幼圆";
 Color color = Color.white;
 for (int i = 0, j = 0; i <= len; i++, j++) {
 sbr.append(messageChars[i]);
 if (j == newLine || (messageChars[i] == 'n')) {
  g2d.drawImage(createImageMessages(1, false, sbr.toString(),
   color, fontStyle, 1, size, d), count += 30,
   (HEIGHT - (sbr.length() * size)) - (size * 4), null);
  d = !d;
  sbr.delete(0, sbr.length());
  j = 0;
 } else if (i == len) {
  g2d.drawImage(createImageMessages(1, false, sbr.toString(),
   color, fontStyle, 1, size, d), count += 30,
   (HEIGHT - (sbr.length() * size)) - (size * 4), null);
 }
 }
 setAlpha(g2d, 0.6);
 String mes = "Java版颈椎自动矫正图";
 fontStyle = "华文新魏";
 size = 20;
g2d.drawImage(createImageMessages(0, true, mes, Color.red, fontStyle,1, size, false), WIDTH - (mes.length() * size) - (size * 2),HEIGHT - (size * 2), null);

}
/*
  * 创建一组图片文字
  *
  * @param aspect
  * @param isRow
  * @param messages
  * @param color
  * @param name
  * @param style
  * @param size
  * @param d
  * @return
  */
public static BufferedImage createImageMessages(final int aspect,
final boolean isRow, final String messages, final Color color,
final String name, final int style, final int size, final boolean d) {
 final int flength = messages.length();
 final int nowSize = size * flength;
 BufferedImage fontImages;
 if (isRow)
fontImages = new BufferedImage(nowSize, size, 2);
 else
fontImages = new BufferedImage(size, nowSize, 2);
 Graphics2D graphics2d = fontImages.createGraphics();
 char[] messageChars = messages.toCharArray();
 if (d) {
char[] temp = new char[flength];
for (int i = 0, j = flength - 1; i < flength; i++, j--) {
  temp[j] = messageChars[i];
}
messageChars = temp;
 }
if (isRow)
for (int i = 0; i < flength; i++) {
  graphics2d.drawImage(createImageMessage(aspect,
   messageChars[i], color, name, style, size, d),
   i * size, 0, null);
 }
 else
 for (int i = 0; i < flength; i++) {
  graphics2d.drawImage(createImageMessage(aspect,
   messageChars[i], color, name, style, size, d), 0, i
   * size, null);
 }
 graphics2d.dispose();
 System.gc();
 return fontImages;
 }
 
/*
  * 创建单独图片文字
  *
  * @param aspect
  * @param message
  * @param color
  * @param name
  * @param style
  * @param size
  * @param d
  * @return
  */
public static BufferedImage createImageMessage(final int aspect,
final char message, final Color color, final String name,
final int style, final int size, final boolean d) {
 final int nowSize = size + 1;
 BufferedImage fontImage = new BufferedImage(nowSize, nowSize, 2);
 Graphics2D graphics2d = fontImage.createGraphics();
 graphics2d.setColor(color);
 graphics2d.setFont(new Font(name, style, size));
 // 设定图像显示状态
 RenderingHints hints = new RenderingHints(
  RenderingHints.KEY_TEXT_ANTIALIASING,
  RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
 hints.put(RenderingHints.KEY_DITHERING,
  RenderingHints.VALUE_DITHER_ENABLE);
 hints.put(RenderingHints.KEY_RENDERING,
  RenderingHints.VALUE_RENDER_SPEED);
 hints.put(RenderingHints.KEY_ANTIALIASING,
  RenderingHints.VALUE_ANTIALIAS_ON);
 hints.put(RenderingHints.KEY_FRACTIONALMETRICS,
  RenderingHints.VALUE_FRACTIONALMETRICS_ON);
 hints.put(RenderingHints.KEY_COLOR_RENDERING,
  RenderingHints.VALUE_COLOR_RENDER_QUALITY);
 hints.put(RenderingHints.KEY_DITHERING,
  RenderingHints.VALUE_DITHER_DISABLE);
 graphics2d.setRenderingHints(hints);
 graphics2d.drawString(String.valueOf(message), 0, size - 3);
 graphics2d.dispose();
 switch (aspect) {
 case 0:
 break;
 case 1:
fontImage = MessageImage.rotateImage(fontImage, 90, d);
break;
 case 2:
 fontImage = MessageImage.rotateImage(fontImage, 180, d);
 break;
 case 3:
 fontImage = MessageImage.rotateImage(fontImage, 360, d);
 break;
 }
 return fontImage;
 }
 public void paint(Graphics g) {
 g.drawImage(fontImage, 0, 0, null);
 }
 
/**
  * 水平翻转当前图像
  *
  * @return
  */
 public static BufferedImage rotateImage(final BufferedImage image) {
 int w = image.getWidth();
 int h = image.getHeight();
 BufferedImage img;
 Graphics2D graphics2d;
 (graphics2d = (img = new BufferedImage(w, h, image.getColorModel()
  .getTransparency())).createGraphics()).drawImage(image, 0, 0,
  w, h, w, 0, 0, h, null);
 graphics2d.dispose();
 return img;
 }
 
/**
  * 旋转图像为指定角度
  *
  * @param degree
  * @return
  */
 public static BufferedImage rotateImage(final BufferedImage image,
 final int angdeg, final boolean d) {
 int w = image.getWidth();
 int h = image.getHeight();
 int type = image.getColorModel().getTransparency();
 BufferedImage img;
 Graphics2D graphics2d;
 (graphics2d = (img = new BufferedImage(w, h, type)).createGraphics())
  .setRenderingHint(RenderingHints.KEY_INTERPOLATION,
   RenderingHints.VALUE_INTERPOLATION_BILINEAR);
 graphics2d.rotate(d ? -Math.toRadians(angdeg) : Math.toRadians(angdeg),
  w / 2, h / 2);
 graphics2d.drawImage(image, 0, 0, null);
 graphics2d.dispose();
 return img;
 }
 final static public void setAlpha(final Graphics2D g, final double d) {
 AlphaComposite alphacomposite = AlphaComposite
  .getInstance(3, (float) d);
 g.setComposite(alphacomposite);
 }
 public static void main(String[] args) {
 java.awt.EventQueue.invokeLater(new Runnable() {
 public void run() {
  Frame frame = new Frame();
  frame.addWindowListener(new WindowAdapter() {
  public void windowClosing(WindowEvent e) {
   System.exit(0);
  }
  });
  frame
   .add(new MessageImage(
    "每天面对计算机n不是垒码、就是泡论坛、再不然就是和脑残作斗争，爆个哈韩吧，攻击个棒子网什么的，再闲时就写写Blog，转转Google，"
     + "总之24小时离不开电脑，离不开网络（已被纳入我国精神病症状|||），长时间不活动，这颈椎可怎么受的了？没办法，想点办法解决吧。"
     + "最近有人说图片能治疗颈椎病，我却偏不信那个邪，就几句话能费人多大的力气去看？说到底还真能累死活人不成？"
     + "这左转右绕上窜下跳的，除了费点眼睛，怎么可能把脖子一块运动起来？您说是不是这道理？"));
  frame.setSize(WIDTH + 5, HEIGHT + 25);
  frame.setResizable(false);
  frame.setTitle("Java版颈椎自动矫正图");
  frame.setLocationRelativeTo(null);
  frame.setVisible(true);
 }
 });
 }
}