import java.awt.p_w_picpath.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.util.Iterator;
import javax.p_w_picpathio.IIOImage;
import javax.p_w_picpathio.ImageIO;
import javax.p_w_picpathio.ImageWriter;
import javax.p_w_picpathio.stream.ImageOutputStream;
import org.icepdf.core.pobjects.Document;
import org.icepdf.core.pobjects.Page;
import org.icepdf.core.util.GraphicsRenderingHints;
public class CapturePdfFirstPageUtil {
* 生成一本书的缩略图
* @param inputFile 需要生成缩略图的书籍的完整路径
* @param outputFile 生成缩略图的放置路径
public static void generateBookIamge(String inputFile, String outputFile) {
Document document = null;
try {
float rotation = 0f;
//缩略图显示倍数，1表示不缩放，0.5表示缩小到50%
float zoom = 0.8f;
document = new Document();
document.setFile(inputFile);
// maxPages = document.getPageTree().getNumberOfPages();
BufferedImage p_w_picpath = (BufferedImage)document.getPageImage(0, GraphicsRenderingHints.SCREEN,
Page.BOUNDARY_CROPBOX, rotation, zoom);
Iterator iter = ImageIO.getImageWritersBySuffix("jpg");
ImageWriter writer = (ImageWriter)iter.next();
FileOutputStream out = new FileOutputStream(new File(outputFile));
ImageOutputStream outImage = ImageIO.createImageOutputStream(out);
writer.setOutput(outImage);
writer.write(new IIOImage(p_w_picpath, null, null));
} catch(Exception e) {
System.out.println( "to generate thumbnail of a book fail : " + inputFile );
System.out.println( e );
public static void main(String[]args){
CapturePdfFirstPageUtil.generateBookIamge("C:\\Users\\work\\Desktop\\spring2.pdf","C:\\Users\\work\\Desktop\\captureImage.jpg") ;
}
icepdf jar包地址:
http://down.51cto.com/data/2302789
注意上面引入jar包时不要引错了哦
