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37 Commits

Author SHA1 Message Date
Mirco Miranda
6f44c5c52a PSD: Improve alpha detection 
BUG: 182496
 2022-07-25 19:34:57 +00:00
Mirco Miranda
d030c75925 PSD: LAB support 
LAB images support:
- Added LAB 8/16-bits support by converting them to sRGB
- The conversion are done using literature formulas (LAB -> XYZ -> sRGB): [sRGB on Wiki](https://en.wikipedia.org/wiki/SRGB), [LAB on wiki](https://en.wikipedia.org/wiki/CIELAB_color_space)
- Removed unused code
 2022-07-06 21:30:23 +00:00
Mirco Miranda
b0a0bb1294 PSD header checks according to specifications 2022-06-30 06:56:21 +00:00
Mirco Miranda
3d5090593c Improved detection of alpha channel on CMYK images 2022-06-30 06:56:21 +00:00
Mirco Miranda
d4966d169b Minor code optimization 2022-06-30 06:56:21 +00:00
Mirco Miranda
bf52896347 Minor code improvements (tested on all my MCYK PSD/PSB files) 2022-06-30 06:56:21 +00:00
Mirco Miranda
c52ffa2227 Fix Alpha + testcase images 2022-06-30 06:56:21 +00:00
Mirco Miranda
e4e386babf Fix regression 2022-06-30 06:56:21 +00:00
Mirco Miranda
b47a9d7022 Basic support to CMYK 8/16 bits (not fully tested) 2022-06-30 06:56:21 +00:00
Adrian Bunk
2a84dd677d psd: Fix segfault on architectures where char is unsigned (like ARM) 2022-05-27 12:26:56 +03:00
Mirco Miranda
f8a251e268 Support to QImageIOHandler::Size option 2022-04-28 08:52:18 +02:00
Mirco Miranda
52134fc2e9 QByteArray resize removal 
- Removed QByteArray resize with potentially large numbers as in merge request !66
 2022-04-14 23:04:58 +00:00
Albert Astals Cid
343954ca98 psd: Fix crash on broken files 
Instead of resizing the bytearray to the potential size and then reading
into it, ask the device to read into a bytearray, this way instead of a
crash because we're trying to resize to a too big number we get a nice
  maxSize argument exceeds QByteArray size limit
warning

oss-fuzz/46664
 2022-04-13 23:07:22 +02:00
Mirco Miranda
44fd6b7bc0 psd: duotone read 
- New format added: Duotone
- Fix float to int conversion round issue
 2022-04-11 21:07:23 +00:00
Albert Astals Cid
c8a0806aab psd: Don't crash with broken images 
Found by oss-fuzz but still with an unfiled bug number
 2022-04-10 12:19:52 +02:00
Albert Astals Cid
bb475dedd1 psd: Header depth has to be 8 for CM_INDEXED color_mode 
As suggested by Mirco Miranda
 2022-04-07 23:50:15 +02:00
Albert Astals Cid
9e28aae868 psd: Protect against broken images 
If you have an image that says it's Mono but has 16 as header.depth we
end up doing invalid memory accesses

oss-fuzz/46437
 2022-04-07 21:46:08 +00:00
Albert Astals Cid
5c47a97b79 psd: Don't abort on broken images 
oss-fuzz/46418
 2022-04-06 22:58:31 +00:00
Albert Astals Cid
384f78a13c psd: Don't assert on broken files 
oss-fuzz/46407
 2022-04-06 00:16:38 +02:00
Mirco Miranda
98f19c60ae PSD: Performance improvements and support to missing common formats 
- Supersedes merge request !55 (PSB support, XMP metadata, ICC color profile, image resolution read)
- Performance improvements: 5 time faster than previous version (tested on a 3.9GB PSB: 9sec instead 47sec)
- New formats support added: INDEXED (8bps), BITMAP (1bps), GRAYSCALE (8, 16, 32bps), RGB (32bps)
- Should fix Bug https://bugs.kde.org/show_bug.cgi?id=397610
- Fix Bug https://bugs.kde.org/show_bug.cgi?id=428238
 2022-04-04 17:22:45 +00:00
Ahmad Samir
1169859b07 Run clang-format on all cpp/h files 
NO_CHANGELOG
 2021-03-08 20:15:33 +02:00
Ahmad Samir
e3ab850712 Add a trailing comma to enum 
Should help produce better diffs and clang-format won't squash the enum
on one line.

GIT_SILENT
 2021-03-08 20:14:42 +02:00
Gary Wang
938b8126b5 No longer descease color depth to 8 for 16 bit uncompressed PSD files 2020-11-10 13:03:37 +08:00
Chris Xiong
5825c83235 Add support for RLE-compressed, 16 bits per channel PSD files. 2020-11-06 15:02:29 +08:00
Gary Wang
b742cb7cc7 Return unsupported when reading 16bit RLE compressed PSD files 2020-11-01 11:50:48 +08:00
Gary Wang
2e6eeebdfc feat: add psd color depth == 16 format support 2020-10-30 21:47:12 +08:00
Andreas Cord-Landwehr
f4281984c1 Adapt license to LGPL-2.0-or-later 
According to relicensecheck Brad is OK with changing LGPLv2 to LGPLv2+,
which is required to be compatible with the LGPL-2.1-or-later licensed
source files.
 2020-07-21 09:26:47 +00:00
Martin T. H. Sandsmark
8562ce18f1 Add some sanity and bounds checking 
Since QImage does sanity checking for overflows and stuff wrt.
dimensions and depth, check for QImage::isNull() as early as possible to
see if there's some funky business going on.

Also tried to add some checks wherever we wrote to "raw" memory.

Unit tests pass, and tested converting some files from
https://samples.ffmpeg.org/image-samples/ to pngs, and that seemed to
work.

Reviewed By: aacid

Differential Revision: https://phabricator.kde.org/D24367
 2020-05-10 18:06:56 +02:00
Albert Astals Cid
ac725cca68 psd: Fix crash on fuzzed file 
oss-fuzz/12752
 2019-01-29 10:53:30 +01:00
Yuri Chornoivan
8ac949d459 Fix minor EBN issues 2018-10-22 19:58:24 +03:00
Martin Koller
7f2c44add4 Use brace-initializer instead of nullptr in returning 0-QFlags 
Differential Revision: https://phabricator.kde.org/D9182
 2017-12-05 19:34:30 +01:00
Kevin Funk
740fe5df0e Use nullptr everywhere 
Differential Revision: https://phabricator.kde.org/D3987
 2017-01-16 09:44:17 +01:00
Pino Toscano
172c494cff remove extra ';' 2016-06-09 10:57:48 +02:00
Alex Merry
47e8043d45 Make PSD image reader endianess-agnostic. 
By using the same strategy as the SoftImage PIC handler (and sharing
some code with it), we should avoid reading the image data incorrectly
on big-endian architectures.

REVIEW: 122650
BUG: 337918
 2015-02-20 23:03:10 +00:00
Alex Merry
c9ca1f1862 Rename headers to end with _p.h 
Frameworks have a convention of naming uninstalled headers in src/ with
a _p at the end of the name, to make it clear they are not part of the
API. None of the headers in KImageFormats are installed, so it is not
really necessary to follow this convention, but we follow it anyway for
the benefit of both humans and tools (like kapidox).
 2014-08-03 18:08:49 +01:00
David Faure
02b5e97197 Code reformatted using kde-dev-scripts/astyle-kdelibs. 
Use git blame -w 47df948 to show authorship as it was before this commit.
 2013-12-18 09:54:11 +01:00
Jenkins CI
47df9483fd Move kimageformats code to the root directory. 2013-12-18 00:45:18 +00:00