Kylian Ronfleux--Corail
13bffef91d
Fix quantization table scaling when quality is applied to custom qtables
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When both a custom quantization table and a quality value are provided,
the quantization table should be scaled using the JPEG quality scaling factor.
If quality is not explicitly set, the default base quality of 50 is used to preserve the original table.
This ensures consistent behavior when saving JPEGs with custom qtables.
Fixes part of the issue with applying 'quality' to 'qtables'.
2025-04-10 10:01:02 +00:00
Kylian Ronfleux--Corail
e3c0ee6ae2
Fix incorrect quality scaling when using qtables in JPEG encoder
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When both `qtables` and `quality` are provided, Pillow previously passed
the raw `quality` value directly to `jpeg_add_quant_table()` as the scale
factor, which caused incorrect quantization.
This commit corrects the behavior by using `jpeg_quality_scaling(quality)`
to compute the proper JPEG quantization scaling factor, consistent with
`jpeg_set_quality()`.
This ensures expected compression behavior when custom qtables are used
alongside a specified quality level.
2025-04-10 07:31:05 +00:00
Andrew Murray
c8d98d56a0
Added avif to config settings ( #8875 )
2025-04-10 09:21:48 +03:00
Hugo van Kemenade
5b1a64c53c
[pre-commit.ci] pre-commit autoupdate
2025-04-10 09:20:41 +03:00
Andrew Murray
8b7d72440e
Specify both C and Cpp
2025-04-08 20:15:45 +10:00
Hugo van Kemenade
8c4510cb23
Fix clang-format: Configuration file(s) do(es) not support C
2025-04-07 22:25:12 +03:00
pre-commit-ci[bot]
a5a8ece5d2
[pre-commit.ci] auto fixes from pre-commit.com hooks
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for more information, see https://pre-commit.ci
2025-04-07 17:17:36 +00:00
pre-commit-ci[bot]
f6eb2e7fa5
[pre-commit.ci] pre-commit autoupdate
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updates:
- [github.com/astral-sh/ruff-pre-commit: v0.9.9 → v0.11.4](https://github.com/astral-sh/ruff-pre-commit/compare/v0.9.9...v0.11.4 )
- [github.com/pre-commit/mirrors-clang-format: v19.1.7 → v20.1.0](https://github.com/pre-commit/mirrors-clang-format/compare/v19.1.7...v20.1.0 )
- [github.com/python-jsonschema/check-jsonschema: 0.31.2 → 0.32.1](https://github.com/python-jsonschema/check-jsonschema/compare/0.31.2...0.32.1 )
- [github.com/woodruffw/zizmor-pre-commit: v1.4.1 → v1.5.2](https://github.com/woodruffw/zizmor-pre-commit/compare/v1.4.1...v1.5.2 )
- [github.com/abravalheri/validate-pyproject: v0.23 → v0.24.1](https://github.com/abravalheri/validate-pyproject/compare/v0.23...v0.24.1 )
2025-04-07 17:17:00 +00:00
Hugo van Kemenade
cda26be10e
Merge pull request #8850 from hugovk/pep639
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Replace deprecated classifier with licence expression (PEP 639)
2025-04-04 18:36:02 +03:00
Frankie Dintino
9f654ff748
Fixed conversion of AVIF image rotation property to EXIF orientation ( #8866 )
2025-04-04 16:41:11 +03:00
Andrew Murray
9f4195752d
Added type hints ( #8867 )
2025-04-03 13:24:37 +03:00
renovate[bot]
8691112a2c
Update scientific-python/upload-nightly-action action to v0.6.2 ( #8865 )
2025-04-03 13:23:36 +03:00
Andrew Murray
2d452c82e5
Removed condition that is always true ( #8862 )
2025-04-03 13:17:54 +03:00
Andrew Murray
7e15c54cad
Use multibuild build_github ( #8861 )
2025-04-02 15:53:14 +03:00
Hugo van Kemenade
92eb58ef15
Merge pull request #8859 from radarhere/filename
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Include filename in ImageFile state
2025-04-02 15:51:49 +03:00
Andrew Murray
8dbbce624f
Compare absolute path of filename
2025-04-02 12:16:25 +11:00
Andrew Murray
1103e82d17
Include filename in state
2025-04-02 11:14:58 +11:00
mergify[bot]
7c56b383ff
Merge pull request #8842 from AdianKozlica/image_grab_wayland_kde
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Add KDE Wayland support for ImageGrab
2025-04-01 09:38:56 +00:00
mergify[bot]
64178415e6
Merge pull request #8852 from radarhere/save
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Only change readonly if saved filename matches opened filename
2025-04-01 09:22:14 +00:00
Andrew Murray
c19482f888
Merge pull request #8853 from radarhere/arrow
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Added release notes for #8330
2025-04-01 19:28:41 +11:00
Andrew Murray
f205a45f44
Added release notes for #8330
2025-04-01 19:10:11 +11:00
Andrew Murray
98e74fd7a0
Merge pull request #8516 from radarhere/imagegrab
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Allow HWND to be passed to ImageGrab.grab() on Windows
2025-04-01 18:45:03 +11:00
Adian Kozlica
2b62c0beeb
Merge branch 'main' into image_grab_wayland_kde
2025-04-01 09:43:52 +02:00
Andrew Murray
a7537b1b06
Only change readonly if saved filename matches opened filename
2025-04-01 18:31:04 +11:00
Andrew Murray
869aa5843c
Merge pull request #8851 from radarhere/tiff
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Allow cmake<4 when building libavif and libtiff
2025-04-01 18:30:45 +11:00
wiredfool
5c76e7ec17
Image -> Arrow support ( #8330 )
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Co-authored-by: Andrew Murray <3112309+radarhere@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
2025-04-01 09:10:45 +03:00
Andrew Murray
348bf6550d
Allow cmake<4 when building libavif
2025-04-01 16:33:55 +11:00
Andrew Murray
8141221201
Allow cmake<4 when building libtiff
2025-04-01 16:28:07 +11:00
Frankie Dintino
7d50816f0a
Add AVIF plugin (decoder + encoder using libavif) ( #5201 )
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Co-authored-by: Andrew Murray <3112309+radarhere@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
2025-04-01 07:13:21 +03:00
Andrew Murray
999d9a7f0c
Updated xz to 5.8.0 on manylinux2014 by removing po4a dependency ( #8848 )
2025-04-01 07:09:09 +03:00
Hugo van Kemenade
d8a0cb5db1
Work around pyroma test
2025-03-31 23:04:08 +03:00
Hugo van Kemenade
e995eef424
Replace deprecated classifier with licence expression (PEP 639)
2025-03-31 23:04:08 +03:00
Andrew Murray
b1f7ba0a41
Merge pull request #8772 from radarhere/zlib_macos
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Revert to zlib on macOS < 10.15
2025-03-31 08:47:49 +11:00
Andrew Murray
f673f3e543
Close file handle on error ( #8846 )
2025-03-30 21:16:50 +03:00
Andrew Murray
81be8d5410
Fixed unclosed file warning ( #8847 )
2025-03-30 21:16:25 +03:00
Andrew Murray
25af4f1841
Added release notes
2025-03-31 00:32:35 +11:00
Andrew Murray
b4a480ff2c
Corrected documentation
2025-03-31 00:31:56 +11:00
mergify[bot]
60b5131e9f
Merge pull request #8844 from radarhere/import
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Do not import TYPE_CHECKING
2025-03-30 12:34:51 +00:00
Andrew Murray
4236b583a1
Do not import TYPE_CHECKING
2025-03-30 22:16:16 +11:00
pre-commit-ci[bot]
d2683e052f
[pre-commit.ci] auto fixes from pre-commit.com hooks
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for more information, see https://pre-commit.ci
2025-03-30 11:13:51 +00:00
Andrew Murray
80d5b421eb
Do not import type checking
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Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
2025-03-30 22:13:21 +11:00
Andrew Murray
ca9f4f8304
Merge branch 'main' into imagegrab
2025-03-30 21:53:23 +11:00
Andrew Murray
14fb62e36c
Assert image type ( #8619 )
2025-03-30 10:42:46 +03:00
Adian Kozlica
feaded9d41
Merge pull request #2 from radarhere/image_grab_wayland_kde
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Updated documentation
2025-03-30 03:16:59 +02:00
Andrew Murray
382c3ab10d
spectacle may also be used on Linux
2025-03-30 11:16:05 +11:00
Adian Kozlica
ec11f7aaed
Merge branch 'main' into image_grab_wayland_kde
2025-03-29 23:51:29 +01:00
Adian Kozlica
2f672935eb
Merge pull request #1 from radarhere/image_grab_wayland_kde
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Do not create temporary file if no utility is available
2025-03-29 23:44:12 +01:00
Andrew Murray
e053be3412
Updated version
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Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
2025-03-30 07:27:30 +11:00
Andrew Murray
bce83ac800
Enable mmap on PyPy ( #8840 )
2025-03-29 18:36:36 +02:00
Andrew Murray
25653d2f87
Corrected P mode save ( #8685 )
2025-03-29 18:34:42 +02:00
