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https://issues.apache.org/jira/browse/PDFBOX-1233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13213558#comment-13213558
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Andreas Lehmkühler commented on PDFBOX-1233:
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Can you provide us with a sample pdf, please?
> CCITTFaxG31DDecodeInputStream - Extended codes have wrong length
> ----------------------------------------------------------------
>
> Key: PDFBOX-1233
> URL: https://issues.apache.org/jira/browse/PDFBOX-1233
> Project: PDFBox
> Issue Type: Bug
> Reporter: Dave Smith
>
> When dealing with large fax images there are Extended Make Up Codes.
> They are added to the tree as ...
> buildUpMakeUp(LONG_MAKE_UP, WHITE_LOOKUP_TREE_ROOT);
> buildUpMakeUp(LONG_MAKE_UP, BLACK_LOOKUP_TREE_ROOT);
> Accept, the length is 0 based not starting at 1792.
> The quick hack is to create a new method so the length of the node is correct
> private static void buildUpMakeUpLong(short[] codes,
> NonLeafLookupTreeNode root)
> {
> for (int len = 0, c = codes.length; len < c; len++)
> {
> LookupTreeNode leaf = new MakeUpTreeNode((len + 28) * 64);
> addLookupTreeNode(codes[len], root, leaf);
> }
> }
> as thus ...
> buildUpMakeUpLong(LONG_MAKE_UP, WHITE_LOOKUP_TREE_ROOT);
> buildUpMakeUpLong(LONG_MAKE_UP, BLACK_LOOKUP_TREE_ROOT);
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