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This addresses warnings from Clang-Tidy's `readability-else-after-return`
rule in the `source/blender/imbuf` module.
No functional changes.
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Apply clang format as proposed in T53211.
For details on usage and instructions for migrating branches
without conflicts, see:
https://wiki.blender.org/wiki/Tools/ClangFormat
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While \file doesn't need an argument, it can't have another doxy
command after it.
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Also remove doxy comments for licenses and add missing GPL header.
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Move \ingroup onto same line to be more compact and
make it clear the file is in the group.
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BF-admins agree to remove header information that isn't useful,
to reduce noise.
- BEGIN/END license blocks
Developers should add non license comments as separate comment blocks.
No need for separator text.
- Contributors
This is often invalid, outdated or misleading
especially when splitting files.
It's more useful to git-blame to find out who has developed the code.
See P901 for script to perform these edits.
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Patch by Julien Enche, thanks!
From the patch comment:
It allows Blender to load:
- 1, 8, 10, 12 and 16 bits files. For 10 and 12 bits files, packed or
filled type A/B are supported.
- RGB, Log, Luma and YCbCr colorspaces.
- Big and little endian storage.
- Multi-elements (planar) storage.
It allows Blender to save :
- 8, 10, 12 and 16 bits file. For 10 and 12 bits files, the most used
type A padding is used.
- RGB and Log colorspaces (Cineon can only be saved in Log colorspace).
For Log colorspace, the common default values are used for gamma,
reference black and reference white (respectively 1.7, 95 and 685 for
10 bits files).
- Saved DPX/Cineon files now match the viewer.
Some files won't load (mostly because I haven't seen any of them):
- Compressed files
- 32 and 64 bits files
- Image orientation information are not taken in account. Here too,
I haven't seen any file that was not top-bottom/left-right oriented.
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else if's
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also fixed a possible bug assigning incorrect DPX function types to
imbuf.
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since no additional crashes were reported!
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standard for film scanning, 10 bits/channel and logarithmic. DPX is
derived from Cineon as the ANSI/SMPTE industry standard.
DPX supports 16 bits color/channel, linear as well as logarithmic.
Code has been gratefully copied from CinePaint and was integrated in
Blender by Joe Eagar.
According to CinePaint's dev Robin Rowe the DPX code defaults to log
colorspace. Can't find in the code clues yet how to enable/disable that.
However, tests with write/read of DPX seems to show no visible loss by
log conversion code. Might be because it uses the entire 16 bit range...
CinePaint dpx files have been succesfully imported in a Quantel IQ HD/2K
finishing/grading set without problem, so for now I guess we can
use it! :)
Changes in code: added tests for image magic numbers before entering
the actual reading code. Prevents error prints, and makes it faster too.
(Note; this because Blender doesn't check for extensions, but calls
reading functions on every file until one accepts it. :)
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