[jira] [Created] (PDFBOX-4742) Incorrect handling of float Infinity and NaN

["Jose Novacho (Jira)" <ji...@apache.org>]

Jose Novacho created PDFBOX-4742:
------------------------------------

             Summary: Incorrect handling of float Infinity and NaN
                 Key: PDFBOX-4742
                 URL: https://issues.apache.org/jira/browse/PDFBOX-4742
             Project: PDFBox
          Issue Type: Bug
          Components: PDModel, Writing
    Affects Versions: 2.0.18, 2.0.8
            Reporter: Jose Novacho
         Attachments: Hello World.pdf

When creating document, there is an issue if the operand for a command is floating number positive or negative Infinity, or NaN.

The problem is in method{{{color:#172b4d} org.apache.pdfbox.pdmodel.PDPageContentStream#write. {color}}}In case the method {{org.apache.pdfbox.pdmodel.PDPageContentStream#writeOperand(float)}} receives as operand a floating number with value Float.POSITIVE_INFINITY or Float.NEGATIVE_INFINITY the result of formating is symbol for infinity: ∞ (unicode 0x221E). The NaN produce unicode symbol 0xFFFD (replacement character). This is then later converted to bytes using the US_ASCII encoding which produces symbol *?* (0x3F) this symbol is then put into the content stream and the resulting PDF is invalid.

 

Mimimal working example to reproduce this issue.

 
{code:java}
// code placeholder
public class InfiniteError {
    public static void main(String[] args) throws IOException {
        PDDocument document = new PDDocument();
        PDPage page = new PDPage();
        document.addPage(page);        PDFont font = PDType1Font.HELVETICA_BOLD;        PDPageContentStream contentStream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.OVERWRITE, false);        contentStream.beginText();
        contentStream.setFont(font, 12);
        contentStream.newLineAtOffset(100, Float.POSITIVE_INFINITY);
        contentStream.showText("Hello World");
        contentStream.endText();        contentStream.close();        document.save("Hello World.pdf");
        document.close();    }
}
{code}
 



--
This message was sent by Atlassian Jira
(v8.3.4#803005)

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@pdfbox.apache.org
For additional commands, e-mail: dev-help@pdfbox.apache.org