mirror of
https://github.com/qpdf/qpdf.git
synced 2024-12-22 02:49:00 +00:00
Hand-fix formatting issues in TODO.md
This commit is contained in:
parent
9ae7bdea96
commit
607345d00d
@ -15,3 +15,4 @@ d740c6ccced02147f84a39d5e5f0984d12bac6cb
|
||||
# Reflow comments and strings to 100 columns
|
||||
698a70e6a84cf7c0db667e9d9e021b4c34c85a3e
|
||||
3c5700c255f4603b5df9c6d183d13dd71a083cc3
|
||||
9ae7bdea966102f9621b22192747a891078e7470
|
||||
|
47
TODO.md
47
TODO.md
@ -46,14 +46,14 @@ Possible future JSON enhancements
|
||||
|
||||
* Consider not including unreferenced objects and trimming the trailer in the same way that
|
||||
QPDFWriter does (except don't remove `/ID`). This means excluding the linearization dictionary and
|
||||
hint stream, the encryption dictionary, all keys from trailer that are removed by QPDFWriter::
|
||||
getTrimmedTrailer except `/ID`, any object streams, and the xref stream as long as all those
|
||||
objects are unreferenced. (They always should be, but there could be some bizarre case of someone
|
||||
creating a PDF file that has an indirect reference to one of those, in which case we need to
|
||||
preserve it.) If this is done, make
|
||||
`--preserve-unreferenced` preserve unreference objects and also those extra keys. Search for "
|
||||
linear" and "trailer" in json.rst to update the various places in the documentation that discuss
|
||||
this. Also update the help for --json and --preserve-unreferenced.
|
||||
hint stream, the encryption dictionary, all keys from trailer that are removed by
|
||||
QPDFWriter::getTrimmedTrailer except `/ID`, any object streams, and the xref stream as long as all
|
||||
those objects are unreferenced. (They always should be, but there could be some bizarre case of
|
||||
someone creating a PDF file that has an indirect reference to one of those, in which case we need
|
||||
to preserve it.) If this is done, make `--preserve-unreferenced` preserve unreference objects and
|
||||
also those extra keys. Search for "linear" and "trailer" in json.rst to update the various places
|
||||
in the documentation that discuss this. Also update the help for --json and
|
||||
--preserve-unreferenced.
|
||||
|
||||
* Add to JSON output the information available from a few additional informational options:
|
||||
|
||||
@ -78,9 +78,8 @@ good -- just things to consider.
|
||||
|
||||
* How do we chain jobs? The idea would be that the input and/or output of a QPDFJob could be a QPDF
|
||||
object rather than a file. For input, it's pretty easy. For output, none of the output-specific
|
||||
options
|
||||
(encrypt, compress-streams, objects-streams, etc.) would have any affect, so we would have to
|
||||
treat this like inspect for error checking. The QPDF object in the state where it's ready to be
|
||||
options (encrypt, compress-streams, objects-streams, etc.) would have any affect, so we would have
|
||||
to treat this like inspect for error checking. The QPDF object in the state where it's ready to be
|
||||
sent off to QPDFWriter would be used as the input to the next QPDFJob. For the job json, I think
|
||||
we can have the output be an identifier that can be used as the input for another QPDFJob. For a
|
||||
json file, we could the top level detect if it's an array with the convention that exactly one has
|
||||
@ -152,10 +151,10 @@ This is a list of known issues with text appearance streams and things we might
|
||||
then remove anything that's unreferenced. We have all the code required for that in ResourceFinder
|
||||
except TfFinder also gets the font size, which ResourceFinder doesn't do.
|
||||
|
||||
* There are things we are missing because we don't look at font metrics. The code from TextBuilder (
|
||||
work) has almost everything in it that is required. Once we have knowledge of character widths, we
|
||||
can support quadding and multiline text fields (/Ff 4096), and we can potentially squeeze text to
|
||||
fit into a field. For multiline, first squeeze vertically down to the font height, then squeeze
|
||||
* There are things we are missing because we don't look at font metrics. The code from TextBuilder
|
||||
(work) has almost everything in it that is required. Once we have knowledge of character widths,
|
||||
we can support quadding and multiline text fields (/Ff 4096), and we can potentially squeeze text
|
||||
to fit into a field. For multiline, first squeeze vertically down to the font height, then squeeze
|
||||
horizontally with Tz. For single line, squeeze horizontally with Tz. If we use Tz, issue a
|
||||
warning.
|
||||
|
||||
@ -164,9 +163,8 @@ This is a list of known issues with text appearance streams and things we might
|
||||
to unicode to the width. See misc/character-encoding/ (not on github)
|
||||
and font metric information for the 14 standard fonts in my local pdf-spec directory.
|
||||
|
||||
* Once we know about character widths, we can correctly support auto-sized variable text fields (0
|
||||
Tf). If this is fixed, search for
|
||||
"auto-sized" in cli.rst.
|
||||
* Once we know about character widths, we can correctly support auto-sized variable text fields
|
||||
(0 Tf). If this is fixed, search for "auto-sized" in cli.rst.
|
||||
|
||||
Fuzz Errors
|
||||
===========
|
||||
@ -240,8 +238,11 @@ For qpdf 12, see https://github.com/qpdf/qpdf/discussions/785
|
||||
C++ Version Changes
|
||||
===================
|
||||
|
||||
Use // C++NN: ... to mark places in the code that should be updated when we require at least that
|
||||
version of C++.
|
||||
Use
|
||||
```
|
||||
// C++NN: ...
|
||||
```
|
||||
to mark places in the code that should be updated when we require at least that version of C++.
|
||||
|
||||
Page splitting/merging
|
||||
======================
|
||||
@ -653,9 +654,9 @@ Rejected Ideas
|
||||
|
||||
QPDF_POINTER_TRANSITION = 0 -- no warnings around calling the QPDF constructor
|
||||
QPDF_POINTER_TRANSITION = 1 -- calls to QPDF() are deprecated, but QPDF is still available so code
|
||||
can be backward compatible and use std::make_shared<QPDF>
|
||||
QPDF_POINTER_TRANSITION = 2 -- the QPDF constructor is private; all calls to std::
|
||||
make_shared<QPDF> have to be replaced with QPDF::create
|
||||
can be backward compatible and use std::make_shared<QPDF>
|
||||
QPDF_POINTER_TRANSITION = 2 -- the QPDF constructor is private; all calls to
|
||||
std::make_shared<QPDF> have to be replaced with QPDF::create
|
||||
|
||||
If we were to do this, we'd have to look at each use of QPDF* in the interface and decide whether
|
||||
to use a std::shared_ptr or a std::weak_ptr. The answer would almost always be to use a std::
|
||||
|
Loading…
Reference in New Issue
Block a user