Do you need to convert PDF files to images in Java? PDF files are not directly supported by Java but you can solve this problem very easily with a third-party library. This tutorial shows in simple steps Java PDF to Image conversion using JPedal PDF library.
How to convert PDF to image in Java
Step 1 Download JPedal trial jar.
Step 2 Create a File handle, InputStream or URL pointing to the PDF file
ConvertPagesToImages extract=new ConvertPagesToImages(path);Step 3 Include a password if file password protected
extract.setPassword("password");Step 4 Open the PDF file
if (extract.openPDFFile()) {Step 5 Iterate over the pages
int pageCount = extract.getPageCount();
for (int page = 1; page <= pageCount; page++) {
BufferedImage img = extract.getPageAsImage(page, hasAlpha);
}
}Step 6 Close the PDF file
extract.closePDFfile();
Adding more control over image size when converting
Step 1 Download JPedal trial jar.
Step 2 Create a File handle, InputStream or URL pointing to the PDF file
ConvertPagesToHiResImages extract=
new ConvertPagesToHiResImages(path);Step 3 Include a password if file password protected
extract.setPassword("password");Step 4 Set conversion options for output defined in JPedalSettings
HashMap options=new HashMap();Step 5 Open the PDF file
if (extract.openPDFFile()) {Step 6 Iterate over the pages
int pageCount = extract.getPageCount();
for (int page = 1; page <= pageCount; page++) {
BufferedImage img = extract.getPageAsHiResImage(page,
hasAlpha, options);
}
}Step 7 Close the PDF file
extract.closePDFfile();
