diff options
Diffstat (limited to 'TODO')
| -rw-r--r-- | TODO | 19 |
1 files changed, 5 insertions, 14 deletions
@@ -89,20 +89,11 @@ Index: QPDFWriter.cc } ------------------------------ - * Handle embedded files. PDF Reference 1.7 section 3.10, "File - Specifications", discusses this. Once we can definitely recognize - all embedded files in a document, we can update the encryption - code to handle it properly. In QPDF_encryption.cc, search for - cf_file. Remove exception thrown if cf_file is different from - cf_stream, and write code in the stream decryption section to use - cf_file instead of cf_stream. In general, add interfaces to get - the list of embedded files and to extract them. To handle general - embedded files associated with the whole document, follow root -> - /Names -> /EmbeddedFiles -> /Names to get to the file specification - dictionaries. Then, in each file specification dictionary, follow - /EF -> /F to the actual stream. There may be other places file - specification dictionaries may appear, and there are also /RF keys - with related files, so reread section 3.10 carefully. + * Provide APIs for embedded files. See *attachments*.pdf in test + suite. The private method findAttachmentStreams finds at least + cases for modern versions of Adobe Reader (>= 1.7, maybe earlier). + PDF Reference 1.7 section 3.10, "File Specifications", discusses + this. A sourceforge user asks if qpdf can handle extracting and embedded resources and references these tools, which may be useful as a |