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476 Commits
Author SHA1 Message Date
A. Molzer 26b6afc787 Document Directory related symbols 2025-07-12 15:34:46 +02:00
A. Molzer e62cdfbf42 Merge TagReader and exposed IfdReader internals 
Having the value reader itself take care of the bigtiff and limit
semantics is a little cleaner, with the TagReader being responsible
for the interface of grabbing specific types of IFD values.
 2025-07-11 15:09:31 +02:00
A. Molzer f021e3e599 Rename ifd value adapter to read_directory_tags 2025-07-11 14:12:36 +02:00
A. Molzer f5ab3b363b Expose interacting with secondary IFDs 2025-07-11 14:12:36 +02:00
A. Molzer f33c7be21c Add the SubIfd tag 2025-07-11 14:12:36 +02:00
A. Molzer 98cd3dc2d2 Refactor directory reading 
This allows us to recombine the reader and other file data in a Decoder
with any IFD, whether that of an image or an extension IFD as indicated
by an IFD pointer such as Exif and GPS.
 2025-07-11 14:12:34 +02:00
A. Molzer 97e230584f Test ordering directory IFD 2025-07-10 23:57:25 +02:00
A. Molzer 43d7f66c9e Refactor cycle and IFD tracking 
The previous strategy could not keep track of all cycles such as
reflexive ones at the very start. Additionally, it would fail to be able
to iterate after seeking since it was overly cautious and verified the
next IFD position before allowing the read of a current IFD.

The new implementation is furthermore proof against having multiple
independent chains of IFD which may occur when iterating SubIFDs for
thumbnails. (Note that we do not verify the tree-structure, only a
freedom from cycles).
 2025-07-10 23:52:07 +02:00
Aurelia Molzer df4e42eecc Add a dedicated Directory type (#277) 2025-07-07 19:59:37 -07:00
Vladimir Kuznetsov 816fb85304 Use libtiff compatible weezl configuration (#276) 2025-06-29 10:24:28 -07:00
Jonathan Behrens 7648317643 Stop doing color conversion when decoding JPEG compressed images (#274) 2025-06-22 16:19:36 -07:00
Jonathan Behrens d7be2a7b67 Make the Compressor enum non-exhaustive (#272) 2025-06-15 18:31:03 -07:00
Emma 29b71ff597 add CMYKA (#208) 2025-06-15 16:38:22 -07:00
Jonathan Behrens 83e6d64751 Create feature flags for more compression algorithms (#270) 2025-06-15 15:50:14 -07:00
Jonathan Behrens dc2c67469b Switch to zune-jpeg (#268) 
]
 2025-06-14 21:13:16 -07:00
Jonathan Behrens b5d8ee5f86 Switch to quick_error and cleaner error messages (#269) 2025-06-09 19:10:12 -07:00
Jonathan Behrens f44da4a00d Switch from SmartReader to EndianReader (#233) 2025-06-08 18:45:10 -07:00
Wei Ji ee0dbf373b Read Byte as u8, SignedByte as i8 (#236) 2025-06-08 18:31:51 -07:00
Wei Ji aeab243a96 Read Short as u16, SignedShort as i16 (#235) 2025-06-08 18:03:08 -07:00
Micah Chambers 3bfb43e83e Add FP16 support (#257) 2025-02-04 19:12:01 -08:00
Jonathan Behrens d42e6be507 Fix formatting (#263) 2025-01-30 23:29:29 -08:00
Stefan Schake a19cf37587 Support ZSTD compression method for reading (#256) 2024-12-20 12:50:34 -08:00
Gunnar Schulze ff52aea06e Add support for iterating over all tags (#255) 2024-11-25 19:34:11 -08:00
Jonathan Behrens 96d3a02efe Fix 1bpp image decoding and add a test image (#252) 2024-10-31 20:21:02 -07:00
Jean-Baptiste Skutnik e28ad564d9 Add horizontal predictor support (#240) 2024-09-23 19:45:45 +01:00
Jonathan Behrens 6dc7a266d3 Make decoding internally operate on byte buffers (#230) 2024-07-22 20:13:39 -07:00
Wei Ji 307cd8be97 Add SignedByte and SignedShort enum variants (#234) 2024-07-21 20:37:25 -07:00
Wei Jiandtromper 0c54a18e21 Add ColorType::Multiband enum variant to support samples>1 per pixel (#224) 
Co-authored-by: tromper <scott@hopkinsunderground.com>
 2024-03-24 15:04:52 -07:00
Jonathan Behrens 90ae5b8e54 Fix warnings (#225) 2024-03-23 13:51:28 -07:00
Jonathan Behrens 9b06e3726d Sample format should not be a Vec (#226) 2024-03-23 13:51:19 -07:00
Jonathan Behrens 4a2e76858b Allow arbitrary number of samples as long as all have the same bit depth (#215) 2023-10-04 09:45:03 -07:00
Jonathan Behrens 8ec91b64f6 Cargo fmt 2023-08-20 13:33:35 -07:00
Jonathan Behrens 60f866c119 A bunch of clippy fixes 2023-08-20 13:32:08 -07:00
Jonathan Behrens daa0e3eabf Merge pull request #206 from fintelia/simplify-jpeg 
Simplify and avoid allocation in jpeg decompression
 2023-06-14 14:04:01 -07:00
Jonathan Behrens 24d203c7c3 Simplify and avoid allocation in jpeg decompression 2023-06-11 12:54:30 -07:00
Jonathan Behrens 473868a7bb Merge pull request #199 from pka/planar-config 
Basic support for planar configuration
 2023-06-10 12:46:20 -07:00
Alan Race d1ad9b2664 Don't panic when parsing metadata when custom compression is used 2023-03-07 09:15:24 +01:00
Andreas Molzer aa10d27a28 Merge pull request #200 from anfedotoff/master 
Fix capacity overflow in JpegReader
 2023-02-06 21:22:13 +01:00
fedotoff 8fa175c371 Fix capacity overflow in JpegReader 2023-02-05 17:53:37 +03:00
Pirmin Kalberer 2a15aa6b7e Support also tiled planar images 2023-01-17 11:57:54 +01:00
Pirmin Kalberer 42feeba8da Add basic support for planar configuration 2023-01-12 23:34:31 +01:00
Jonathan Behrens 0da9770916 Merge pull request #190 from kurtkuehnert/YCbCr_support 
Added support for the YCbCr PhotometricInterpretation
 2023-01-06 23:54:16 -08:00
Kurt Kühnert c30ea911a2 fixed ci 2023-01-05 10:00:10 +01:00
Kurt Kühnert da07c0f4f5 added round trip test 
fixed ci
added colortype
 2023-01-05 09:34:54 +01:00
Pirmin Kalberer 21252d9d89 Fix padding when image size is multiple of chunk size 2022-12-16 23:37:38 +01:00
Andreas Molzer aa42fcb1bb Merge pull request #193 from image-rs/issue-192-desync-packbits 
Fix read in packbits decoder
 2022-12-03 18:49:51 +01:00
Andreas Molzer 1f7b25ef55 Fix read in packbits decoder 
This assumed that a `read` would succeed for the full length, thus
interpreting in a subsequent call some data bits as a header.

For instance, consider 77 bytes of literal were left and a buffer of
1024 bytes was provided. Then the `read` call might return 60 which was
ignored and assumed to be 77. Thus the next 17 bytes of literal data
were instead interpreted as a header due to setting `self.count` to 0.
 2022-12-03 18:42:08 +01:00
Alan Race a733ff13d9 Changed to using private constructor rather than From<> JpegDecoderError 2022-11-22 15:53:42 +01:00
Alan Race b1cd459330 Updated error handling 2022-11-22 15:44:10 +01:00
Alan Race 4f1c88e35f Added unsupported error for interpretations not supported by JPEG 2022-11-22 14:38:27 +01:00