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https://issues.apache.org/jira/browse/PDFBOX-3826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16053258#comment-16053258
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Andreas Lehmkühler commented on PDFBOX-3826:
--------------------------------------------
I'm thinking about a third solution. Don't close the ttf if it was passed to
the load method as the user might want to reuse it. And, yes the user has to
take care of the ttf himself.
> NPE if RAFDataStream.getCurrentPosition() when TrueTypeFont created from file
> is reused
> ---------------------------------------------------------------------------------------
>
> Key: PDFBOX-3826
> URL: https://issues.apache.org/jira/browse/PDFBOX-3826
> Project: PDFBox
> Issue Type: Bug
> Components: FontBox
> Affects Versions: 2.0.6
> Reporter: Tilman Hausherr
> Labels: regression
> Fix For: 2.0.7, 3.0.0
>
>
> {code}
> java.lang.NullPointerException: null
> at
> org.apache.fontbox.ttf.RAFDataStream.getCurrentPosition(RAFDataStream.java:88)
> at
> org.apache.fontbox.ttf.TrueTypeFont.getTableBytes(TrueTypeFont.java:121)
> at
> org.apache.fontbox.ttf.TTFSubsetter.writeToStream(TTFSubsetter.java:1012)
> at
> org.apache.pdfbox.pdmodel.font.TrueTypeEmbedder.subset(TrueTypeEmbedder.java:329)
> at
> org.apache.pdfbox.pdmodel.font.PDType0Font.subset(PDType0Font.java:162)
> at org.apache.pdfbox.pdmodel.PDDocument.save(PDDocument.java:1275)
> at
> org.apache.pdfbox.pdmodel.font.PDFontTest.testMultipleFontFileReuse(PDFontTest.java:160)
> {code}
> {code}
> @Test
> public void testMultipleFontFileReuse() throws IOException,
> URISyntaxException
> {
> URL url = PDFontTest.class.getClassLoader().getResource(
> "org/apache/pdfbox/ttf/LiberationSans-Regular.ttf");
> File file = new File(url.toURI());
> TrueTypeFont ttf = new TTFParser().parse(file);
> for (int i = 0; i < 32; ++i)
> {
> try (PDDocument doc = new PDDocument())
> {
> PDPage page = new PDPage();
> doc.addPage(page);
> PDFont font = PDType0Font.load(doc, ttf, true);
> try (PDPageContentStream cs = new PDPageContentStream(doc,
> page))
> {
> cs.beginText();
> cs.setFont(font, 10);
> cs.showText("testMultipleFontFileReuse");
> cs.endText();
> }
> doc.save(new ByteArrayOutputStream());
> }
> }
> }
> {code}
> This happens only if the TrueTypeFont is created from a file, not when it is
> created from a stream (PDFBOX-3337). It worked in 2.0.0 but no longer since
> 2.0.1.
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