61e19bee43
In some fonts, the included `ToUnicode` data is incomplete causing text-selection to not work properly. For simple fonts that contain encoding data, we can manually build a `ToUnicode` map to attempt to improve things. Please note that since we're currently using the `ToUnicode` data during glyph mapping, in an attempt to avoid rendering regressions, I purposely didn't want to amend to original `ToUnicode` data for this text-selection edge-case. Instead, I opted for the current solution, which will (hopefully) give slightly better text-extraction results in PDF file with incomplete `ToUnicode` data. According to the PDF specification, see [section 9.10.2](http://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/PDF32000_2008.pdf#G8.1873172): > A conforming reader can use these methods, in the priority given, to map a character code to a Unicode value. > ... Reading that paragraph literally, it doesn't seem too unreasonable to use *different* methods for different charcodes. Fixes 8229.
311 lines
5.1 KiB
Plaintext
311 lines
5.1 KiB
Plaintext
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*.error
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