package t03;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;
import org.apache.poi.hslf.record.Slide;
import org.apache.poi.hslf.usermodel.SlideShow;
import java.io.IOException;
/**
* 许晏宁
* @author hp
* 2014/5/10
* 这是一个关于导入PPT转为图片，并显示在窗体中的程序
*/
public class InsertPpt implements ActionListener{
JFrame jFrame=new JFrame("PPT");
Myjpanel jPanel1=new Myjpanel(); //新建myjpanel型的jpanel，这样就可以在panel上显示图片
JPanel jPanel2=new JPanel();
JButton jbutton1 =new JButton("导入文件");
JButton jbutton2 =new JButton("首页");
JButton jbutton3 =new JButton("上一页");
JButton jbutton4 =new JButton("下一页");
JButton jbutton5 =new JButton("末页");
JFileChooser fChooser=new JFileChooser();
File file1;
int j=0;
int l;
public static void main(String[] args) {
// TODO Auto-generated method stub
InsertPpt ppt=new InsertPpt();
ppt.go();
}
class Myjpanel extends JPanel{
//添加图片，并传入图片名称
String address=new String();
public void setAddress(String ad){
this.address=ad;
}
protected void paintComponent(Graphics g){
Image image=new ImageIcon(address).getImage();
g.drawImage(image,3,4,this);
}
}
public void go() {
//构建窗体及布局
jFrame.setSize(750,605);
jFrame.setVisible(true);
jFrame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
jFrame.getContentPane().add(BorderLayout.CENTER,jPanel1);
jFrame.getContentPane().add(BorderLayout.SOUTH,jPanel2);
jPanel2.setLayout(new GridLayout(1,5));
jPanel2.add(jbutton1);
jPanel2.add(jbutton2);
jPanel2.add(jbutton3);
jPanel2.add(jbutton4);
jPanel2.add(jbutton5);
jbutton1.addActionListener(this);
jbutton2.addActionListener(this);
jbutton3.addActionListener(this);
jbutton4.addActionListener(this);
jbutton5.addActionListener(this);
}
public void actionPerformed(ActionEvent event){
//导入文件，并将ppt类型的文件转为图片，并存入工作环境
if(event.getActionCommand()=="导入文件") {
if (fChooser.showOpenDialog(null)==JFileChooser.APPROVE_OPTION){
file1=fChooser.getSelectedFile();
}//xiaoif
FileInputStream is = null;
try {
is = new FileInputStream(file1);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SlideShow ppt = null;
try {
ppt = new SlideShow(is);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
is.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Dimension pgsize = ppt.getPageSize();
org.apache.poi.hslf.model.Slide[] slide = ppt.getSlides();
for (int i=0; i < slide.length; i++) {
BufferedImage img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_RGB);
Graphics2D graphics = img.createGraphics();
//clear the drawing area
graphics.setPaint(Color.white);
graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height));
//render
slide[i].draw(graphics);
l++;
//save the output
FileOutputStream out = null;
try {
out = new FileOutputStream("slide-" + (i+1) + ".png");
javax.imageio.ImageIO.write(img, "png", out);
out.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
jPanel1.setAddress("slide-1.png");
jPanel1.repaint();
}//if
else if(event.getActionCommand()=="首页") {
//显示图片，建立监听器
jPanel1.setAddress("slide-1.png");
jPanel1.repaint();
j=1;
}
else if(event.getActionCommand()=="上一页") {
if(j==1) {
Toolkit.getDefaultToolkit().beep(); //已经是第一张时，再点击上一页，会发出警报声
}
else {
j--;
jPanel1.setAddress("slide-"+j+".png");
jPanel1.repaint();
}
}
else if(event.getActionCommand()=="下一页") {
if(j==l) {
Toolkit.getDefaultToolkit().beep(); //已经是最后一张时，再点击下一页，会发出警报声
}
else {
j++;
jPanel1.setAddress("slide-"+j+".png");
jPanel1.repaint();
}
}
else if(event.getActionCommand()=="末页") {
j=l;
jPanel1.setAddress("slide-"+j+".png");
jPanel1.repaint();
}
}//jianting
}
源码下载:
insertPPT.zip(1.14 MB)
slideshow.ppt
0
显示.PNG
