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Support cmaps with only CID characters, when building the ToUnicode-map (issue 9367)

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In this particular case the `CMap`-data that we create contains only numbers, but no strings, which causes `PartialEvaluator.readToUnicode` to create a ToUnicode-map with only empty strings.

*Please note:* This is yet another case where I don't know if it's necessarily the best and most correct solution, but it does fix the referenced issue.
This commit is contained in:
Jonas Jenwald 2021-09-18 00:01:24 +02:00
parent 7082ff9bf8
commit ed73cf6d50
3 changed files with 14 additions and 0 deletions
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1
test/pdfs/issue9367.pdf.link Normal file
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@ -0,0 +1 @@
https://github.com/mozilla/pdf.js/files/1634833/E-WG18_105147.pdf

8
test/test_manifest.json
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@ -2358,6 +2358,14 @@
"lastPage": 2,
"type": "eq"
},
{ "id": "issue9367",
"file": "pdfs/issue9367.pdf",
"md5": "81a2c6f1fe5d1bb00ff0479aa6547155",
"rounds": 1,
"link": true,
"lastPage": 1,
"type": "eq"
},
{ "id": "issue10529",
"file": "pdfs/issue10529.pdf",
"md5": "1a4d404a137c610ff0c747cbea3b8666",