GOMODULES/go-exif
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26 Commits

Author SHA1 Message Date
Dustin Oprea
1ce5b771db ifd_enumerate: Can now elect to not resolve tag value. 
- To support testing.
 2018-06-08 00:41:28 -04:00
Dustin Oprea
92f24ca51b header: Fixed-bytes now determined by byte-order. 2018-06-06 06:53:54 -04:00
Dustin Oprea
2eb57331ff exif: Dropped requirement for incorrect/non-standard EXIF prefix. 2018-06-06 05:32:14 -04:00
Dustin Oprea
4c58c1c84b exif: Eliminated an offset constant. Just used for tests. 
- Will simplify fixing the header issues we have. It's relative, any way
  (won't be affected by the imminent changes to the header).
 2018-06-06 05:17:56 -04:00
Dustin Oprea
1d7239382b testing: Moved common testing code to test_common. 
- Tweaked comments to be more concise.
 2018-06-06 05:11:07 -04:00
Dustin Oprea
f1b0dd3a32 exif: Streamlined header-builder. 
- The ParseExifHeader() function is now completely responsible for
  header decomposition and offset information.
 2018-06-06 04:56:18 -04:00
Dustin Oprea
7745cfe74c exif: Deimplemented IsExif(). 
- exif
  - Began deconstructing Exif type in favor of just defining those
    methods as functions.
  - Added additional tests.
 2018-06-06 04:37:43 -04:00
Dustin Oprea
32664e6098 exif: Streamlined EXIF header parse. Made to behave like IsExif(). 
- We're prepping to deimplement IsExif() because it's just a lame
  duplication of ParseExifHeader().
  - Transitional step to being able to fix incorrect-header problem.
 2018-06-06 03:42:18 -04:00
Dustin Oprea
88cb7331cf documentation: Added examples. 
- Renamed DefaultEncodeByteOrder to EncodeDefaultByteOrder.
 2018-05-01 10:57:55 -04:00
Dustin Oprea
98620a7d84 exif: Added function descriptions. 2018-05-01 10:18:52 -04:00
Dustin Oprea
2fca65a8ea ifd_builder_encoder: Added method to package full EXIF. 
- Moved the EXIF-parsing being done in the tests to reusable code.
 2018-05-01 03:29:42 -04:00
Dustin Oprea
89cfa38cfc exif: Reorganized. No-op changes. 2018-04-30 01:33:13 -04:00
Dustin Oprea
81079a77d6 exif: Added EXIF header builder and unit-test. 2018-04-29 02:48:52 -04:00
Dustin Oprea
d06a3c8963 ifd_builder: Implemented NewBuilderTagFromConfig() BT factory for testing. 
- Updated IfdByteEncoder tests to use it instead of hacking-together
  their own BT's (makes for more standardized, consistent testing).

- Universally refactored all core IFD knowledge implemented upon a
  single IFD name to instead work with IfdIdentity instances, instead,
  in order to validate that we only recognize the IFDs only in the
  context of the correct parents in the hierarchy.

- Implemented standard testing byte-order (assigned to
  TestDefaultByteOrder).
 2018-04-27 03:42:59 -04:00
Dustin Oprea
50eafa98d6 ifd_enumerate: Added tests. 
- Refactored (IfdTagEntry).ValueBytes() to handle managed undefined
  values.
 2018-04-22 02:35:33 -04:00
Dustin Oprea
f1f23dca82 General intuitivity refactor. Imp'd (IfdTagEntry).ValueBytes(). 
- Added some assertions and constants. Renamed from variable so it'd be easy to
  tell if the byte-arrays, even though they come directly from the EXIF, which
  specific offsets they start at (so no remove for confusion during enumeration
  and building).
 2018-04-21 20:54:56 -04:00
Dustin Oprea
88333d9088 ifd_builder: Added main flow and allocation. 
- We still need to implement the size calculations and tag encoding.
 2018-04-20 11:45:32 -04:00
Dustin Oprea
52dafd070a collect: Added a massive test for collected structure. 2018-04-19 01:02:03 -04:00
Dustin Oprea
679ea19d6c ifd_enumerate. The IFD tree and content can now be collected. 
- Collected into a static structure in addition to scanned (which is
- only a visitor pattern).
- Test still has be finished.
 2018-04-18 07:58:05 -04:00
Dustin Oprea
acbda6d1e1 ifd_enumerate: Refactored for reusability from a collector loop. 2018-04-18 06:28:12 -04:00
Dustin Oprea
33e3f2e4eb ifd: Renamed Ifd to IfdEnumerate. 2018-04-17 07:51:34 -04:00
Dustin Oprea
917e288adf Refactored byte-ordering to use standard binary.ByteOrder . 
- ..rather than unnecessary custom implementation.
 2018-04-17 06:18:31 -04:00
Dustin Oprea
172013e0f0 ifd: Implemented recursion. Refactored IFD seeking. 
- tags.yaml: Uncommented previously-unhandleable tags.
 2018-04-15 23:13:25 -04:00
Dustin Oprea
1511788a4e ifd: Implemented several layers of value processing. Done. 
- It's going to be laborious to write unit-tests for, though.
 2018-04-15 01:25:30 -04:00
Dustin Oprea
315ca60f03 ifd: Formalized visitor implementation. 2018-04-14 20:32:02 -04:00
Dustin Oprea
685d801489 Initial commit. 
- Parsing works.
- Not yet resolving values.
- Not yet resolving the actual IDs.
- Not yet able to make changes.
 2018-04-14 14:38:35 -04:00