OpenSystemsDevelopment / qpdf

Commit 77e2b6e34eba28b3ad5b7158a954b5ae12946a8e

Authored by Jay Berkenbilt
1 parent 71566a27

Note about incremental updates

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Showing 1 changed file with 9 additions and 3 deletions
@@ -42,6 +42,11 @@ Next @@ -42,6 +42,11 @@ Next
42 stringify a JSON blob 42 stringify a JSON blob
43 * One option might be to prepend file:// to a filename or otherwise to take a JSON blob. We could 43 * One option might be to prepend file:// to a filename or otherwise to take a JSON blob. We could
44 have that as a particular type of argument that would behave properly for both job JSON and CLI. 44 have that as a particular type of argument that would behave properly for both job JSON and CLI.
  45 +* Support digital signatures. This probably requires support for incremental updates. See
  46 + "incremental updates" in rejected ideas. That description is out of date but would need to be
  47 + cleaned up. See also issue #22.
  48 + * Make it possible to see incremental updates in qdf mode.
  49 + * Make it possible to add incremental updates.
45 50
46 Possible future JSON enhancements 51 Possible future JSON enhancements
47 ================================= 52 =================================
@@ -561,9 +566,10 @@ Rejected Ideas @@ -561,9 +566,10 @@ Rejected Ideas
561 566
562 * Investigate whether there is a way to automate the memory checker tests for Windows. 567 * Investigate whether there is a way to automate the memory checker tests for Windows.
563 568
564 -* Provide support in QPDFWriter for writing incremental updates. Provide support in qpdf for  
565 - preserving incremental updates. The goal should be that QDF mode should be fully functional for  
566 - files with incremental updates including fix_qdf. 569 +* (This idea may be revised with alterations. Some of this is out of date.) Provide support in
  570 + QPDFWriter for writing incremental updates. Provide support in qpdf for preserving incremental
  571 + updates. The goal should be that QDF mode should be fully functional for files with incremental
  572 + updates including fix_qdf.
567 573
568 Note that there's nothing that says an indirect object in one update can't refer to an object that 574 Note that there's nothing that says an indirect object in one update can't refer to an object that
569 doesn't appear until a later update. This means that QPDF has to treat indirect null objects 575 doesn't appear until a later update. This means that QPDF has to treat indirect null objects