java动态图详细代码 java动态图片代码

求java做动画代码

import java.awt.Canvas;

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import java.awt.Color;

import java.awt.Dimension;

import java.awt.EventQueue;

import java.awt.Frame;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.Image;

import java.awt.RenderingHints;

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

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;

public class TestImage extends Frame

{

private static final long serialVersionUID = 1L;

private static boolean PRESSED = false;

private static int pointX = 0;

private static int pointy = 200;

private static int RIGHT_GO = 0;

private static int LEFT_GO = 0;

private static int DIR = 0;

private static int ANGLE = 0;

private static int W = 50;

private static int H = 60;

private _Canvas canvas = null;

public TestImage ()

{

add (canvas = new _Canvas ());

setIgnoreRepaint (true);

requestFocus ();

}

public class _Canvas extends Canvas implements Runnable

{

private static final long serialVersionUID = 1L;

private BufferedImage bi = null;

private Image bufferedImage = null;

private Thread thread = null;

private long sleepTime = 10;

public _Canvas ()

{

try

{

bi = ImageIO.read (new File ("go.png"));

}

catch (IOException e)

{}

setBackground (Color.BLACK);

requestFocus ();

addKeyListener (new KeyListener ()

{

@Override

public void keyTyped ( KeyEvent e )

{}

@Override

public void keyReleased ( KeyEvent e )

{

RIGHT_GO = 0;

PRESSED = false;

}

@Override

public void keyPressed ( KeyEvent e )

{

// 38 40 37 39上下左右

DIR = e.getKeyCode ();

PRESSED = true;

}

});

}

@Override

public void paint ( Graphics g )

{

Graphics2D g2d = (Graphics2D) g;

g2d.setRenderingHint (RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);

g2d.drawImage (rotateImage (bi.getSubimage (RIGHT_GO, LEFT_GO, W, H), ANGLE, true), pointX, pointy, W, H,

this);

g2d.dispose ();

}

@Override

public void update ( Graphics g )

{

if (null == bufferedImage)

{

bufferedImage = createImage (getWidth (), getHeight ());

}

Graphics bufferedG = bufferedImage.getGraphics ();

bufferedG.clearRect (0, 0, getWidth (), getHeight ());

paint (bufferedG);

bufferedG.dispose ();

g.drawImage (bufferedImage, 0, 0, this);

g.dispose ();

}

public void start ()

{

thread = new Thread (this);

thread.setName ("TestImage");

thread.setPriority (Thread.MIN_PRIORITY);

thread.start ();

}

public synchronized void stop ()

{

thread = null;

notify ();

}

@Override

public void run ()

{

Thread me = Thread.currentThread ();

while (thread == me  !isShowing () || getSize ().width == 0)

{

try

{

Thread.sleep (555);

}

catch (InterruptedException e)

{

return;

}

}

while (thread == me  isShowing ())

{

if (PRESSED)

{

try

{

if (DIR == 39)

{

RIGHT_GO = RIGHT_GO + 50;

LEFT_GO = 0;

pointX = pointX + 1;

if (pointX  420)

{

ANGLE = 90;

pointX--;

pointy--;

W = 60;

H = 50;

}

if (RIGHT_GO  50)

{

RIGHT_GO = 0;

}

}

else if (DIR == 37)

{

pointX = pointX - 1;

RIGHT_GO = RIGHT_GO + 50;

LEFT_GO = 60;

if (pointX  0)

{

ANGLE = -90;

pointX++;

pointy--;

W = 60;

H = 50;

}

if (RIGHT_GO  50)

{

RIGHT_GO = 0;

}

}

else if (DIR == 38)

{

W = 50;

H = 60;

pointy = 150;

ANGLE = 0;

RIGHT_GO = 100;

}

else if (DIR == 40)

{

W = 50;

H = 60;

ANGLE = 0;

pointy = 200;

RIGHT_GO = 0;

}

Thread.sleep (sleepTime);

repaint ();

}

catch (InterruptedException e)

{

break;

}

}

else

{

RIGHT_GO = RIGHT_GO + 50;

LEFT_GO = 0;

pointX = pointX + 1;

if (RIGHT_GO  50)

{

RIGHT_GO = 0;

}

if (pointX  500)

{

pointX = 0;

}

try

{

Thread.sleep (sleepTime);

repaint ();

}

catch (InterruptedException e)

{

break;

}

}

}

thread = null;

}

}

/**

 * 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;

}

public static void main ( String[] args )

{

EventQueue.invokeLater (new Runnable ()

{

@Override

public void run ()

{

final TestImage ti = new TestImage ();

ti.setSize (new Dimension (500, 300));

ti.setLocationRelativeTo (null);

ti.addWindowListener (new WindowAdapter ()

{

@Override

public void windowClosing ( WindowEvent e )

{

System.exit (0);

}

@Override

public void windowDeiconified ( WindowEvent e )

{

ti.canvas.start ();

}

@Override

public void windowIconified ( WindowEvent e )

{

ti.canvas.stop ();

}

});

ti.setResizable (false);

ti.canvas.start ();

ti.setVisible (true);

}

});

}

}

求java版画图程序的源代码

找到了，很久以前写的一个简单画图，呵呵～当时要求用AWT写，很难受。

package net.miqiang.gui;

import java.awt.BasicStroke;

import java.awt.BorderLayout;

import java.awt.Button;

import java.awt.Color;

import java.awt.Cursor;

import java.awt.Dimension;

import java.awt.Frame;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.GridLayout;

import java.awt.Label;

import java.awt.Panel;

import java.awt.RenderingHints;

import java.awt.Toolkit;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import java.awt.event.MouseMotionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.awt.image.BufferedImage;

/**

* 简单画图板程序

* 好久没用 AWT 了，写起来真别扭，如果用 swing 会很舒服，有空再改写吧。

*

* @author 米强

*

*/

public class TestMain extends Frame {

// 画板

private Palette palette = null;

// 显示当前颜色的面板

private Panel nonceColor = null;

// 画笔粗细

private Label drawWidth = null;

// 画笔端点的装饰

private Label drawCap = null;

// 选取颜色按钮的监听事件类

private ButtonColorAction buttonColorAction = null;

// 鼠标进入按钮后光标样式的监听事件类

private ButtonCursor buttonCursor = null;

// 画笔样式的监听事件

private ButtonStrokeAction buttonStrokeAction = null;

/**

* 构造方法

*

*/

public TestMain() {

// 设置标题栏文字

super("简易画图板");

// 构造一个画图板

palette = new Palette();

Panel pane = new Panel(new GridLayout(2, 1));

// 画笔颜色选择器

Panel paneColor = new Panel(new GridLayout(1, 13));

// 12 个颜色选择按钮

Button [] buttonColor = new Button[12];

Color [] color = {Color.black, Color.blue, Color.cyan, Color.darkGray, Color.gray, Color.green, Color.magenta, Color.orange, Color.pink, Color.red, Color.white, Color.yellow};

// 显示当前颜色的面板

nonceColor = new Panel();

nonceColor.setBackground(Color.black);

paneColor.add(nonceColor);

buttonColorAction = new ButtonColorAction();

buttonCursor = new ButtonCursor();

for(int i = 0; i buttonColor.length; i++){

buttonColor[i] = new Button();

buttonColor[i].setBackground(color[i]);

buttonColor[i].addActionListener(buttonColorAction);

buttonColor[i].addMouseListener(buttonCursor);

paneColor.add(buttonColor[i]);

}

pane.add(paneColor);

// 画笔颜色选择器

Panel paneStroke = new Panel(new GridLayout(1, 13));

// 控制画笔样式

buttonStrokeAction = new ButtonStrokeAction();

Button [] buttonStroke = new Button[11];

buttonStroke[0] = new Button("1");

buttonStroke[1] = new Button("3");

buttonStroke[2] = new Button("5");

buttonStroke[3] = new Button("7");

buttonStroke[4] = new Button("9");

buttonStroke[5] = new Button("11");

buttonStroke[6] = new Button("13");

buttonStroke[7] = new Button("15");

buttonStroke[8] = new Button("17");

buttonStroke[9] = new Button("■");

buttonStroke[10] = new Button("●");

drawWidth = new Label("3", Label.CENTER);

drawCap = new Label("●", Label.CENTER);

drawWidth.setBackground(Color.lightGray);

drawCap.setBackground(Color.lightGray);

paneStroke.add(drawWidth);

for(int i = 0; i buttonStroke.length; i++){

paneStroke.add(buttonStroke[i]);

buttonStroke[i].addMouseListener(buttonCursor);

buttonStroke[i].addActionListener(buttonStrokeAction);

if(i = 8){

buttonStroke[i].setName("width");

}else{

buttonStroke[i].setName("cap");

}

if(i == 8){

paneStroke.add(drawCap);

}

}

pane.add(paneStroke);

// 将画笔颜色选择器添加到窗体中

this.add(pane, BorderLayout.NORTH);

// 将画图板添加到窗体中

this.add(palette);

// 添加窗口监听，点击关闭按钮时退出程序

this.addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {

System.exit(0);

}

});

// 设置窗体 ICON 图标

this.setIconImage(Toolkit.getDefaultToolkit().createImage("images/palette.png"));

// 设置窗口的大小

this.setSize(new Dimension(400, 430));

// 设置窗口位置，处于屏幕正中央

this.setLocationRelativeTo(null);

// 显示窗口

this.setVisible(true);

}

/**

* 程序入口

*

* @param args

* 字符串数组参数

*/

public static void main(String[] args) {

new TestMain();

}

/**

* 选取颜色按钮的监听事件类

* @author 米强

*

*/

class ButtonColorAction implements ActionListener {

public void actionPerformed(ActionEvent e) {

Color color_temp = ((Button)e.getSource()).getBackground();

nonceColor.setBackground(color_temp);

palette.setColor(color_temp);

}

}

/**

* 鼠标进入按钮变换光标样式监听事件类

* @author 米强

*

*/

class ButtonCursor extends MouseAdapter {

public void mouseEntered(MouseEvent e) {

((Button)e.getSource()).setCursor(new Cursor(Cursor.HAND_CURSOR));

}

public void mouseExited(MouseEvent e) {

((Button)e.getSource()).setCursor(new Cursor(Cursor.DEFAULT_CURSOR));

}

}

/**

* 设置画笔的监听事件类

* @author 米强

*

*/

class ButtonStrokeAction implements ActionListener {

public void actionPerformed(ActionEvent e) {

Button button_temp = (Button) e.getSource();

String name = button_temp.getName();

if(name.equalsIgnoreCase("width")){

drawWidth.setText(button_temp.getLabel());

palette.setStroke(Float.parseFloat(button_temp.getLabel()));

}else if(name.equalsIgnoreCase("cap")){

drawCap.setText(button_temp.getLabel());

if(button_temp.getLabel().equals("■")){

palette.setStroke(BasicStroke.CAP_SQUARE);

}else if(button_temp.getLabel().equals("●")){

palette.setStroke(BasicStroke.CAP_ROUND);

}

}

}

}

}

/**

* 画板类

*

* @author 米强

*

*/

class Palette extends Panel implements MouseListener, MouseMotionListener {

// 鼠标 X 坐标的位置

private int mouseX = 0;

// 上一次 X 坐标位置

private int oldMouseX = 0;

// 鼠标 Y 坐标的位置

private int mouseY = 0;

// 上一次 Y 坐标位置

private int oldMouseY = 0;

// 画图颜色

private Color color = null;

// 画笔样式

private BasicStroke stroke = null;

// 缓存图形

private BufferedImage image = null;

/**

* 构造一个画板类

*

*/

public Palette() {

this.addMouseListener(this);

this.addMouseMotionListener(this);

// 默认黑色画笔

color = new Color(0, 0, 0);

// 设置默认画笔样式

stroke = new BasicStroke(3.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);

// 建立 1280 * 1024 的 RGB 缓存图象

image = new BufferedImage(1280, 1024, BufferedImage.TYPE_INT_RGB);

// 设置颜色

image.getGraphics().setColor(Color.white);

// 画背景

image.getGraphics().fillRect(0, 0, 1280, 1024);

}

/**

* 重写 paint 绘图方法

*/

public void paint(Graphics g) {

super.paint(g);

// 转换为 Graphics2D

Graphics2D g2d = (Graphics2D) g;

// 获取缓存图形 Graphics2D

Graphics2D bg = image.createGraphics();

// 图形抗锯齿

bg.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

// 设置绘图颜色

bg.setColor(color);

// 设置画笔样式

bg.setStroke(stroke);

// 画线，从上一个点到新的点

bg.drawLine(oldMouseX, oldMouseY, mouseX, mouseY);

// 将缓存中的图形画到画板上

g2d.drawImage(image, 0, 0, this);

}

/**

* 重写 update 方法

*/

public void update(Graphics g) {

this.paint(g);

}

/**

* @return stroke

*/

public BasicStroke getStroke() {

return stroke;

}

/**

* @param stroke 要设置的 stroke

*/

public void setStroke(BasicStroke stroke) {

this.stroke = stroke;

}

/**

* 设置画笔粗细

* @param width

*/

public void setStroke(float width) {

this.stroke = new BasicStroke(width, stroke.getEndCap(), stroke.getLineJoin());

}

/**

* 设置画笔端点的装饰

* @param cap 参考 java.awt.BasicStroke 类静态字段

*/

public void setStroke(int cap) {

this.stroke = new BasicStroke(stroke.getLineWidth(), cap, stroke.getLineJoin());

}

/**

* @return color

*/

public Color getColor() {

return color;

}

/**

* @param color 要设置的 color

*/

public void setColor(Color color) {

this.color = color;

}

public void mouseClicked(MouseEvent mouseEvent) {

}

/**

* 鼠标按下

*/

public void mousePressed(MouseEvent mouseEvent) {

this.oldMouseX = this.mouseX = mouseEvent.getX();

this.oldMouseY = this.mouseY = mouseEvent.getY();

repaint();

}

public void mouseReleased(MouseEvent mouseEvent) {

}

/**

* 鼠标进入棋盘

*/

public void mouseEntered(MouseEvent mouseEvent) {

this.setCursor(new Cursor(Cursor.CROSSHAIR_CURSOR));

}

/**

* 鼠标退出棋盘

*/

public void mouseExited(MouseEvent mouseEvent) {

this.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));

}

/**

* 鼠标拖动

*/

public void mouseDragged(MouseEvent mouseEvent) {

this.oldMouseX = this.mouseX;

this.oldMouseY = this.mouseY;

this.mouseX = mouseEvent.getX();

this.mouseY = mouseEvent.getY();

repaint();

}

public void mouseMoved(MouseEvent mouseEvent) {

}

}

如何在java窗体中插入GIF图

import java.awt.*;

import java.awt.event.*;

import java.io.*;

import javax.swing.*;

public class ImageViewer

{

public static void main(String[] args)

{

JFrame frame = new ImageViewerFrame();

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.show();

}

}

class ImageViewerFrame extends JFrame

{

public ImageViewerFrame()

{

setTitle("ImageViewer");

setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);

label = new JLabel();

Container contentPane = getContentPane();

contentPane.add(label);

chooser = new JFileChooser();

chooser.setCurrentDirectory(new File("."));

JMenuBar menuBar = new JMenuBar();

setJMenuBar(menuBar);

JMenu menu = new JMenu("File");

menuBar.add(menu);

JMenuItem openItem = new JMenuItem("Open");

menu.add(openItem);

openItem.addActionListener(new

ActionListener()

{

public void actionPerformed(ActionEvent evt)

{

int r = chooser.showOpenDialog(null);

if(r == JFileChooser.APPROVE_OPTION)

{

String name

= chooser.getSelectedFile().getPath();

label.setIcon(new ImageIcon(name));

}

}

});

JMenuItem exitItem = new JMenuItem("Exit");

menu.add(exitItem);

exitItem.addActionListener(new

ActionListener()

{

public void actionPerformed(ActionEvent event)

{

System.exit(0);

}

});

}

private JLabel label;

private JFileChooser chooser;

private static final int DEFAULT_WIDTH = 300;

private static final int DEFAULT_HEIGHT = 400;

}

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