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Author SHA1 Message Date
Hugo
4758bca621
Add TIFFTAG_SAMPLEFORMAT to blocklist (#3926) 
Add TIFFTAG_SAMPLEFORMAT to blocklist
 2019-06-30 10:48:50 +03:00
Andrew Murray
c994b783ec
Merge branch 'master' into tiff-jpeg-quality 2019-06-30 14:03:09 +10:00
Andrew Murray
42588a6493 Skip test if libtiff is not installed 2019-06-30 13:26:58 +10:00
Andrew Murray
cc0d70145b Lint fixes 2019-06-30 13:26:58 +10:00
Christoph Gohlke
4a69223db9 Add test for sampleformat corruption 2019-06-30 13:26:58 +10:00
Christoph Gohlke
a70da8112d Add TIFFTAG_SAMPLEFORMAT to blocklist 
The SAMPLEFORMAT tag is determined by the image format and should not be copied from legacy_ifd.
 2019-06-30 13:26:58 +10:00
Andrew Murray
d11aa4b21d Fixed typo [ci skip] 2019-06-30 07:58:11 +10:00
Andrew Murray
9074eda608
Merge pull request #3778 from radarhere/all_frames 
Added ImageSequence all_frames
 2019-06-30 07:55:34 +10:00
Hugo
a7bdd6487f
Update CHANGES.rst 2019-06-29 23:09:35 +03:00
Hugo
6459cafba3
Merge pull request #3708 from sircinnamon/master 
Create GIF deltas from background colour of GIF frames if disposal mode is 2
 2019-06-29 23:08:11 +03:00
Rolf Eike Beer
7a4af2b767 fix unaligned accesses by using memcpy() 2019-06-29 21:04:11 +02:00
Rolf Eike Beer
220bfee19a replace copy operations with memcpy() 
This replaces trivial instances where a copy from one pointer to the other
involves no further calculations or casts. The compiler will optimize this to
whatever the platform offers.
 2019-06-29 19:30:24 +02:00
Andrew Murray
90d3d37164 Do not presume that the background color index is 0 2019-06-29 23:06:45 +10:00
Andrew Murray
97c15a245c Corrected color table size calculation 2019-06-29 23:02:26 +10:00
Andrew Murray
3e4db05249 Removed code not required by tests 2019-06-29 23:02:17 +10:00
Andrew Murray
c3e982e0c6
Merge branch 'master' into master 2019-06-29 22:59:17 +10:00
Hugo
af0d90a054
Merge pull request #3923 from cgohlke/patch-1 
Use unsigned int to store TIFF IFD offsets
 2019-06-29 11:02:10 +03:00
Andrew Murray
d2fdb4818c
Fixed wording 
Co-Authored-By: Hugo <hugovk@users.noreply.github.com>
 2019-06-29 18:02:08 +10:00
Andrew Murray
1abcada1c5 Added release notes [ci skip] 2019-06-29 17:47:55 +10:00
Hugo
d19ed257c4
Merge pull request #3819 from jefferyto/patch-1 
Include CPPFLAGS when searching for libraries
 2019-06-29 10:27:43 +03:00
Hugo
0e7358a046
Updated TIFF tile descriptors to match current decoding functio… (#3795) 
Updated TIFF tile descriptors to match current decoding functionality
 2019-06-29 10:27:00 +03:00
Hugo
08c47925d0
Added an image.entropy() method (#3608) 
Added an `image.entropy()` method
 2019-06-29 10:12:34 +03:00
Hugo
2fe3a39c53
Merge pull request #3925 from radarhere/python38 
Split pytest flags
 2019-06-29 10:06:32 +03:00
Andrew Murray
6940c1142c Split pytest flags 2019-06-29 15:47:46 +10:00
Andrew Murray
07ec99d545 Updated CHANGES.rst [ci skip] 2019-06-29 08:03:40 +10:00
Hugo
a96482bba0
Pass the correct types to PyArg_ParseTuple (#3880) 
Pass the correct types to PyArg_ParseTuple
 2019-06-28 21:49:54 +03:00
Hugo
a0191dae1e
Documentation for Image module (#3776) 
Documentation for Image module
 2019-06-28 19:49:45 +03:00
Hugo
57e3af4afb Fix typo 2019-06-28 18:47:17 +03:00
Christoph Gohlke
59e1328272
Use unsigned int to store TIFF IFD offsets 2019-06-27 15:30:19 -07:00
Christoph Gohlke
129df60c48
Use unsigned int to store TIFF IFD offsets 2019-06-27 15:09:31 -07:00
Christoph Gohlke
2ebde32852
Use unsigned int to store TIFF IFD offsets 2019-06-27 15:07:52 -07:00
Hugo
119d1c927b
Merge pull request #3922 from radarhere/param 
Improved parameter documentation
 2019-06-28 00:25:41 +03:00
Hugo
372c7c352a
Merge pull request #3703 from jkrshnmenon/master 
Add an upper limit for blocks_max in _set_blocks_max
 2019-06-27 23:03:25 +03:00
Hugo
b584635a8c
Merge pull request #3912 from radarhere/non_font_bytes 
Fixed crash when loading non-font bytes
 2019-06-27 22:40:29 +03:00
Hugo
219f277129
Merge pull request #3858 from kulikjak/master 
Fix SPARC memory alignment issues in Pack/Unpack functions
 2019-06-27 21:27:37 +03:00
Andrew Murray
e319e32cec Improved parameter documentation [ci skip] 2019-06-27 22:53:46 +10:00
Andrew Murray
8b447c4840 Lint fixes 2019-06-26 19:16:36 +10:00
Andrew Murray
1a71faf8ea Removed variable 2019-06-26 19:15:47 +10:00
Alexander Böhn
7b815a5f1d Added an image.entropy() method 
This calculates the entropy for the image, based on the histogram.

Because this uses image histogram data directly, the existing C
function underpinning the `image.histogram()` method was abstracted
into a static function to parse extrema tuple arguments, and a new
C function was added to calculate image entropy, making use of the
new static extrema function.

The extrema-parsing function was written by @homm, based on the
macro abstraction I wrote, during the discussion of my first
entropy-method pull request: https://git.io/fhodS

The new `image.entropy()` method is based on `image.histogram()`,
and will accept the same arguments to calculate the histogram data
it will use to assess the entropy of the image.

The algorithm and methodology is based on existing Python code:

* https://git.io/fhmIU

... A test case in the `Tests/` directory, and doctest lines in
`selftest.py`, have both been added and checked.

Changes proposed in this pull request:

* Added “math.h” include to _imaging.c
* The addition of an `image.entropy()` method to the `Image`
  Python class,
* The abstraction of the extrema-parsing logic of of the C
  function `_histogram` into a static function, and
* The use of that static function in both the `_histogram` and
  `_entropy` C functions.
* Minor documentation addenda in the docstrings for both the
  `image.entropy()` and `image.histogram()` methods were also
  added.
* Removed outdated boilerplate from testing code
* Removed unused “unittest” import
 2019-06-26 19:15:47 +10:00
Hugo
a79147ff96
Merge pull request #3916 from cgohlke/patch-1 
Fix memory leak
 2019-06-26 12:09:50 +03:00
Hugo
f2d0106a9b
Merge pull request #3917 from cgohlke/patch-2 
Fix potential null pointer is passed into memcpy
 2019-06-26 12:09:22 +03:00
Andrew Murray
f22198e3bc Lint fixes 2019-06-26 19:09:02 +10:00
Hugo
2aaacc8849
Merge pull request #3918 from cgohlke/patch-3 
Use ssize_t to store number of elements in buffer
 2019-06-26 12:08:35 +03:00
Andrew Murray
d591cf8d3f Error is not raised on 64-bit systems 2019-06-26 19:08:07 +10:00
Jayakrishna Menon
590b5b7f9e test case for set_blocks_max 2019-06-26 19:08:07 +10:00
Jayakrishna Menon
2acc098cab adding testcase for overflow 2019-06-26 19:08:07 +10:00
Jayakrishna Menon
494fb25bdb adding testcase for overflow 2019-06-26 19:08:07 +10:00
Jayakrishna Menon
37516fb665 adding an upper limit for blocks_max in _set_blocks_max 2019-06-26 19:08:07 +10:00
Christoph Gohlke
afed559e4f
Fix msvc9 compile error 2019-06-25 17:18:37 -07:00
Christoph Gohlke
c34cefb576
Use ssize_t to store number of elements in buffer 2019-06-25 14:41:06 -07:00