16 Commits

Author SHA1 Message Date
Don Denton
14c83e1f4c Add autoOrient operation and constructor option #4144 2025-01-17 11:09:59 +00:00
Lovell Fuller
3154af776e Add isPalette and bitsPerSample metadata, deprecate paletteBitDepth 2024-10-29 09:11:19 +00:00
Lovell Fuller
6c61ad256f Ensure all source code files contain SPDX licence 2023-02-28 17:01:58 +00:00
Lovell Fuller
b3c3290f90 Upgrade to libvips v8.13.3 2022-11-03 14:09:23 +00:00
Lovell Fuller
1b0eb6ab53 Tests: add assertion to existing scenario #3357 2022-09-29 14:21:37 +01:00
Lovell Fuller
5cdb2b83d5 Upgrade to libvips v8.13.1 2022-09-04 12:42:27 +01:00
Lovell Fuller
3a44748f49 Ensure PNG bitdepth can be set for non-palette output #3322 2022-08-22 14:57:12 +01:00
Lovell Fuller
336856dfc2 Tests: add PNG palette decode/encode roundtrip 2021-11-25 10:29:28 +00:00
Lovell Fuller
72025051c5 Expose control over CPU effort for palette PNG #2541 2021-11-24 17:12:53 +00:00
Lovell Fuller
549219f32a Tests: only need to assert 'mean' of 16-bit PNG roundtrip 2021-11-23 12:35:47 +00:00
Max Gordon
2deced0fb9 Ensure 16-bit PNG output uses correct bitdepth #2958 2021-11-23 12:19:41 +00:00
Lovell Fuller
984a9e653e Upgrade to libvips 8.10.6-alpha1
- Prebuilt binaries now include mozjpeg and libimagequant (BSD 2-Clause)
- Prebuilt binaries limit AVIF support to the most common 8-bit depth
- Add `mozjpeg` option to `jpeg` method, sets mozjpeg defaults
- Reduce the default PNG `compressionLevel` to the more commonly used 6
2021-03-14 11:19:53 +00:00
Roman Malieiev
a7b1185602
Enable PNG palette when at least one of quality, colours, colors or dither is set (#2226) 2020-05-28 22:21:33 +01:00
Lovell Fuller
755a0caf3d Fix 16-bit, 2-channel PNG w/ ICC profile support #2013 2019-12-20 17:19:33 +00:00
Lovell Fuller
32a34a8841 Tests: separate IO suite into per-format unit files 2019-01-13 10:11:32 +00:00
Lovell Fuller
98797445de Expose PNG output options requiring libimagequant #1484 2019-01-13 09:06:05 +00:00