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Hi all,
I am using pdfbox to convert pages from pdf files generated by pdflatex
to png files and I ran into a problem that was resolved in the past:
since the last update of my LaTeX distribution (texlive), pages
converted to png (or jpeg as well) are empty (only transparent image in
png, or black image in jpeg).
I used to work with pdfTeX-1.40.10 with which pdfbox worked like a charm
(see attached files pdf-ok.pdf and pdf-ok1.png) and since the update I
am using pdfTeX-1.40.12 and the same code does not work anymore (see
attached files pdf-nok.pdf and pdf-nok1.png).
The code snippet I used for this is the following:
import java.awt.image.BufferedImage;
import java.io.File;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.util.PDFImageWriter;
public class Test {
public static void main(String[] args) throws Exception {
PDDocument docOk = PDDocument.load(new File("pdf-ok.pdf"));
PDDocument docNok = PDDocument.load(new File("pdf-nok.pdf"));
PDFImageWriter imagewriter = new PDFImageWriter();
try {
imagewriter.writeImage(docOk, "png", null, 1, 1, "pdf-ok",
BufferedImage.TYPE_INT_RGB, 100);
imagewriter.writeImage(docNok, "png", null, 1, 1, "pdf-nok",
BufferedImage.TYPE_INT_RGB, 100);
} finally {
docOk.close();
docNok.close();
}
}
}
I tried this with both version 1.6.0 and 1.7.0-SNAPSHOT from the trunk I
checked out today. The result is the same with both versions.
Am I doing something wrong?
I looked for this problem on the Internet and as far as I understood,
this problem was fixed in version 1.6.0 (correct me if I misunderstood it).
I also heard about jai_imageio in different places, but I am not really
excited about using it in my code...
So is this a problem in my code or a bug in pdfbox while handling this pdf?
Thank you in advance for any hint!
Regards,
Lucas
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