Java converts an image into a PDF file

/**
* Convert an image into a PDF file
* Location of the IMG in which imgfilepath needs to be converted. For example, imgfilepath = "D: \ projectpath \ 55555.jpg ";
* The location of the PDF converted by pdffilepath is pdffilepath = "D: \ projectpath \ test.pdf ";
* @ Param Image
* @ Return
* @ Throws ioexception
*/

Public Boolean imgtopdf (string imgfilepath, string pdffilepath) throws ioexception {
File file = new file (imgfilepath );
If (file. exists ()){
Document document = new document ();
Fileoutputstream Fos = NULL;
Try {
Fos = new fileoutputstream (pdffilepath );
Using writer. getinstance (document, FOS );

// Add some information about the PDF document, such as the author and topic.
Document. addauthor ("arui ");
Document. addsubject ("test pdf .");
// Set the document size
Document. setpagesize (pagesize. A4 );
// Open the document
Document. open ();
// Write a piece of text
// Document. Add (new paragraph ("just test ..."));
// Read an image
Image image = image. getinstance (imgfilepath );
Float imageheight = image. getscaledheight ();
Float imagewidth = image. getscaledwidth ();
Int I = 0;
While (imageheight> 500 | imagewidth> 500 ){
Image. scalepercent (100-i );
I ++;
Imageheight = image. getscaledheight ();
Imagewidth = image. getscaledwidth ();
System. Out. println ("imageheight->" + imageheight );
System. Out. println ("imagewidth->" + imagewidth );
}

Image. setalignment (image. align_center );
//// Set the absolute position of the image
// Image. setabsoluteposition (0, 0 );
// Image. scaleabsolute (500,400 );
// Insert an image
Document. Add (image );
} Catch (incluentexception de ){
System. Out. println (De. getmessage ());
} Catch (ioexception IOE ){
System. Out. println (IOE. getmessage ());
}
Document. Close ();
FOS. Flush ();
FOS. Close ();
Return true;
} Else {
Return false;
}
}