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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (JIRA)" <ji...@apache.org> on 2015/06/02 09:46:20 UTC
[jira] [Assigned] (PDFBOX-2822) infinite loop of searching for a
key in PDResources
[ https://issues.apache.org/jira/browse/PDFBOX-2822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tilman Hausherr reassigned PDFBOX-2822:
---------------------------------------
Assignee: Tilman Hausherr
> infinite loop of searching for a key in PDResources
> ---------------------------------------------------
>
> Key: PDFBOX-2822
> URL: https://issues.apache.org/jira/browse/PDFBOX-2822
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 2.0.0
> Reporter: Konstantin Kakunin
> Assignee: Tilman Hausherr
> Attachments: Acro6JSGuide.pdf, pdfmain_svg.java
>
>
> error in code of class - org.apache.pdfbox.pdmodel.PDResources
> {code}
> private COSName createKey(COSName kind, String prefix)
> {
> COSDictionary dict = (COSDictionary)resources.getDictionaryObject(kind);
> if (dict == null)
> {
> return COSName.getPDFName(prefix + 1);
> }
> // find a unique key
> String key;
> do
> {
> key = prefix + (dict.keySet().size() + 1);
> }
> while (dict.containsKey(key)); <--------------- infinite loop of searching for a key
> return COSName.getPDFName(key);
> }
> {code}
> my test code:
> {code}
> public class pdfmain_svg {
> public static void main(String[] args) throws Exception {
> System.out.println("hello");
> PDDocument document = PDDocument.load(new File(
> "d:\\Project\\pdfbox-image\\Acro6JSGuide.pdf"));
> float fontSize = 10f;
> PDFont font = PDType0Font.load(document, new File(
> "c:\\Windows\\Fonts\\Arial.TTF"));
> for (int pageIndex = 0; pageIndex < document.getNumberOfPages(); pageIndex++) {
> System.out.println("page index = " + pageIndex);
> PDPage page = document.getPage(pageIndex);
> PDPageContentStream contentStream = new PDPageContentStream(
> document, page, true, true);
> contentStream.setFont(font, fontSize); <---------------- hang on page 6
> contentStream.setNonStrokingColor(Color.LIGHT_GRAY);
> contentStream.beginText();
> contentStream.newLineAtOffset(100, 100);
> contentStream.showText("Test printing");
> contentStream.endText();
> contentStream.close();
> }
> File f = new File("d:\\work\\kostya.pdf");
> document.save(f);
> document.close();
> System.out.println("f=" + f.getAbsolutePath() + ": " + f.exists());
> }
> }
> {code}
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