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https://issues.apache.org/jira/browse/PDFBOX-4302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tilman Hausherr updated PDFBOX-4302:
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Fix Version/s: 3.0.0 PDFBox
2.0.12
> ToUnicode CMap is not written correctly when the entry count is just 100.
> -------------------------------------------------------------------------
>
> Key: PDFBOX-4302
> URL: https://issues.apache.org/jira/browse/PDFBOX-4302
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 2.0.11
> Environment: Windows10
> Reporter: Atsushi Doita
> Priority: Minor
> Fix For: 2.0.12, 3.0.0 PDFBox
>
> Attachments: PDFSample.java, pdf_sample.pdf
>
>
> The following warning log is output when I execute attached PDFSample.java.
> org.apache.pdfbox.pdmodel.font.PDFont <init>
> WARN: Invalid ToUnicode CMap in font AAKCFF+IPAMincho
> org.apache.pdfbox.pdmodel.font.PDType0Font toUnicode
> WARN: No Unicode mapping for CID+598 (598) in font AAKCFF+IPAMincho
> :
> This program creates a simple japanese pdf and read the image.
> This program reads a font file. You can download the file from the following
> URL.
> https://ipafont.ipa.go.jp/old/ipafont/download.html#en
> I investigated the problem and found a bug in ToUnicodeWriter class.
> In writeTo method, a loop count in a operator is calculated by the following
> line. But the count will be 0 if the srcFrom size is just 100.
> int count = batch == batchCount - 1 ? srcFrom.size() % 100 : 100;
> I changed this line to below and I confirmed that the problem was resolved.
> int count = batch == batchCount - 1 ? srcFrom.size() - 100 *
> batch : 100;
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