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Posted to dev@pdfbox.apache.org by "Denis Kotegov (JIRA)" <ji...@apache.org> on 2011/06/07 11:03:59 UTC
[jira] [Commented] (PDFBOX-905) NullPointerException when writing
pdf to image
[ https://issues.apache.org/jira/browse/PDFBOX-905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13045329#comment-13045329 ]
Denis Kotegov commented on PDFBOX-905:
--------------------------------------
Hello Andreas, Adam.
Is it possible to evaluate FontBBox from font properties if it is cannot be obtained via font rendering?
I checked some examples and find out that some fonts contains only one symbol (usually named as ".notdef", not presented in PDType1CFont$PDFCharset). But FontBBox is presented in font description directly and can be accessed as
font.getTopDict().get("FontBBox")
property.
> NullPointerException when writing pdf to image
> ----------------------------------------------
>
> Key: PDFBOX-905
> URL: https://issues.apache.org/jira/browse/PDFBOX-905
> Project: PDFBox
> Issue Type: Bug
> Components: FontBox
> Affects Versions: 1.3.1
> Reporter: Stevo Slavic
> Attachments: 18433497.pdf, PDFBOX-905_PDDocument.patch, nullpointer pdfToImage.pdf, nullpointer_pdfToImage.unc2.pdf
>
>
> java.lang.NullPointerException: null
> at org.apache.fontbox.cff.AFMFormatter.printFontMetrics(AFMFormatter.java:76) ~[fontbox-1.3.1.jar:na]
> at org.apache.fontbox.cff.AFMFormatter.printFont(AFMFormatter.java:57) ~[fontbox-1.3.1.jar:na]
> at org.apache.fontbox.cff.AFMFormatter.format(AFMFormatter.java:50) ~[fontbox-1.3.1.jar:na]
> at org.apache.pdfbox.pdmodel.font.PDType1CFont.prepareFontMetric(PDType1CFont.java:529) ~[pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.pdmodel.font.PDType1CFont.load(PDType1CFont.java:404) ~[pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.pdmodel.font.PDType1CFont.<init>(PDType1CFont.java:123) ~[pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.pdmodel.font.PDType1Font.getawtFont(PDType1Font.java:214) ~[pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.pdmodel.font.PDSimpleFont.drawString(PDSimpleFont.java:97) ~[pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.pdmodel.font.PDType0Font.drawString(PDType0Font.java:68) ~[pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.pdfviewer.PageDrawer.processTextPosition(PageDrawer.java:190) [pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.util.PDFStreamEngine.processEncodedText(PDFStreamEngine.java:472) [pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.util.operator.ShowText.process(ShowText.java:45) ~[pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.util.PDFStreamEngine.processOperator(PDFStreamEngine.java:529) [pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:274) [pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.util.PDFStreamEngine.processSubStream(PDFStreamEngine.java:251) [pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.util.PDFStreamEngine.processStream(PDFStreamEngine.java:225) [pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.pdfviewer.PageDrawer.drawPage(PageDrawer.java:107) [pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.pdmodel.PDPage.convertToImage(PDPage.java:722) [pdfbox-1.3.1.jar:na]
> at org.apache.pdfbox.util.PDFImageWriter.writeImage(PDFImageWriter.java:135) [pdfbox-1.3.1.jar:na]
> Oddly, even though this exception gets thrown, image file gets written and seems to be ok.
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