package seed.utils;
import java.awt.Dimension;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
import org.apache.log4j.Logger;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFSlide;
public class SeedCvtPPTXToImg {
private Logger log = Logger.getLogger(this.getClass());
// public static void main(String[] args) {
//
// String rootPath = "F:/javaConvert";
// String filePath = "test/test.pptx";
// String output = "F:/javaConvert/test/img/";
//
// new SeedCvtPPTXToImg().convert(rootPath, filePath, output);
// }
public void convert(String rootPath, String filePath, String output) {
boolean success = false;
if(filePath.endsWith(".pptx")) {
File file = new File(rootPath + "/" + filePath);
if (file.exists()) {
FileInputStream fileInputStream = null;
FileOutputStream fileOutputStream = null;
FileOutputStream htmlFileOutputStream = null;
OutputStreamWriter htmlOutputStreamWriter = null;
BufferedWriter htmlWriter = null;
try {
fileInputStream = new FileInputStream(file);
XMLSlideShow ppt = new XMLSlideShow(fileInputStream);
double zoom = 2; // magnify it by 2
AffineTransform at = new AffineTransform();
at.setToScale(zoom, zoom);
Dimension pgsize = ppt.getPageSize();
XSLFSlide[] slide = ppt.getSlides();
if(slide.length > 0){
SeedUtils.setSeedMkDirs(output);
}
//html??????
htmlFileOutputStream = new FileOutputStream(output + "/" + getFileName(filePath) + ".jsp");
htmlOutputStreamWriter = new OutputStreamWriter(htmlFileOutputStream, "UTF-8");
htmlWriter = new BufferedWriter(htmlOutputStreamWriter);
htmlWriter.write("<%@ page contentType=\"text/html;charset=utf-8\" %>");
htmlWriter.write("\n");
htmlWriter.write("");
htmlWriter.write("\n");
htmlWriter.write("");
htmlWriter.write("\n");
htmlWriter.write("");
htmlWriter.write("\n");
htmlWriter.write("");
htmlWriter.write("\n");
htmlWriter.write(" ");
htmlWriter.write("\n");
htmlWriter.write(" ");
htmlWriter.write("\n");
htmlWriter.write(" ");
htmlWriter.write("\n");
htmlWriter.write(" ");
htmlWriter.write("\n");
htmlWriter.write(" ");
htmlWriter.write("\n");
htmlWriter.write(" 誘몃━蹂닿린 ??댁?");
htmlWriter.write("\n");
htmlWriter.write(" ");
htmlWriter.write("\n");
htmlWriter.write(" ");
htmlWriter.write("\n");
htmlWriter.write(" ");
htmlWriter.write("\n");
htmlWriter.write(" ");
htmlWriter.write("\n");
for (int i = 0; i < slide.length; i++) {
BufferedImage img = new BufferedImage((int)Math.ceil(pgsize.width*zoom), (int)Math.ceil(pgsize.height*zoom), BufferedImage.TYPE_INT_RGB);
Graphics2D graphics = img.createGraphics();
graphics.setTransform(at);
graphics.setPaint(Color.white);
graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height));
slide[i].draw(graphics);
fileOutputStream = new FileOutputStream(output + getFileName(filePath) + "_" + (i + 1) + ".jpg");
ImageIO.write(img, "jpg", fileOutputStream);
htmlWriter.write(" ![" + getFileName(filePath) + "_" + (i + 1) + "](/site/"+filePath.substring(0, filePath.lastIndexOf("/"))+"/"+getFileName(filePath)+"/convert/" + getFileName(filePath) + "_" + (i + 1) + ".jpg)
");
htmlWriter.write("\n");
}
htmlWriter.write(" ");
htmlWriter.write("\n");
htmlWriter.write("");
htmlWriter.write("\n");
htmlWriter.flush();
success = true;
} catch (FileNotFoundException e) {
log.error("CHECK ERROR:",e);
success = false;
} catch (IOException e) {
log.error("CHECK ERROR:",e);
success = false;
}finally{
if(fileInputStream!=null){try{fileInputStream.close();}catch(IOException e){log.error("CHECK ERROR:",e);}}
if(fileOutputStream!=null){try{fileOutputStream.close();}catch(IOException e){log.error("CHECK ERROR:",e);}}
if(htmlWriter!=null){try{htmlWriter.close();}catch(IOException e){log.error("CHECK ERROR:",e);}}
if(htmlOutputStreamWriter!=null){try{htmlOutputStreamWriter.close();}catch(IOException e){log.error("CHECK ERROR:",e);}}
if(htmlFileOutputStream!=null){try{htmlFileOutputStream.close();}catch(IOException e){log.error("CHECK ERROR:",e);}}
}
}
if(!success){
SeedUtils.setSeedDeleteFiles(output, "");
}
}
}
private static String getFileName(String filePath){
int sep = filePath.lastIndexOf("\\") == -1 ? filePath.lastIndexOf("/") : filePath.lastIndexOf("\\");
return filePath.substring( sep + 1 , filePath.lastIndexOf("."));
}
}