Commit Graph

53 Commits

Author SHA1 Message Date
Alexander
58542fdfb9 Move WORDS_BIGENDIAN to ImagingUtils.h 2017-08-19 15:30:41 +03:00
wiredfool
9c4535bc82 Merge pull request #2655 from python-pillow/fast-allocation
Fast image allocation
2017-08-16 15:16:43 +01:00
Alexander
c2e0092589 Speed up resampling again a bit ) 2017-08-13 01:10:19 +03:00
Alexander
19a8649589 create dirty images for some operations 2017-08-06 14:22:58 +03:00
Alexander
afc592ad7b replace the excluding of zero coefficients with math power 2017-05-29 14:29:12 +03:00
Alexander
ad883961ac fix hamming filter 2017-05-29 14:29:12 +03:00
Alexander Karpinsky
5a359fbf28 Fix coefficients calculation (#2162)
Fix coefficients calculation

* test for regression

* detailed comments what is going on
prevent setting the `k[-1]` item

* more readable
2016-10-17 01:31:45 -07:00
Andrew Murray
00cb14afd7 Removed trailing whitespace 2016-09-03 12:19:04 +10:00
homm
5c0eb2c365 normalize coefficients in normalize_coeffs_8bpc
increase precision of negative filter lobes. Add test
2016-08-25 04:11:02 -07:00
homm
788810f313 ImagingPrecompute → precompute_coeffs 2016-08-25 04:11:02 -07:00
homm
7d3db1f02a truncate zero coefficients 2016-08-25 04:11:02 -07:00
homm
62388199fa use lookups table instead of two conditions for each channel 2016-08-25 04:11:02 -07:00
homm
66715246c1 remove mitchell filter. Has no advantages over bicubic 2016-07-02 01:54:39 +03:00
homm
a67e5453d5 add tests, fix errors ) 2016-07-02 01:54:39 +03:00
homm
c3d702538d add BOX, HAMMING, MITCHELL filters to resample.c 2016-07-02 01:54:39 +03:00
homm
0e9beed76d add constants for filters: BOX, HAMMING, MITCHELL
rearrange filters everywhere
2016-07-02 01:54:39 +03:00
Andrew Murray
5e5bda95e0 Removed trailing whitespace 2016-06-30 20:12:50 +01:00
wiredfool
291c00c58a Merge pull request #1954 from uploadcare/skip-resampling-passes
Do not do unnecessary passes on resizing
2016-06-30 12:23:07 +01:00
wiredfool
95f464f827 removed redundant check 2016-06-16 01:09:38 -07:00
homm
78fad0f819 Do not make unnecessary passes on resizing 2016-06-15 01:04:02 +03:00
wiredfool
92a13d975d Malloc check merge/rebase 2016-06-08 06:25:46 -07:00
homm
12c8cf94f2 replace calloc with remaining values emptying 2016-06-08 03:45:08 +03:00
homm
3b7923c09f add calloc explanation 2016-06-03 12:51:58 +03:00
homm
34afabbf18 return malloc where clearing is not required 2016-05-28 10:47:07 +03:00
homm
4ea0c83450 do not rotate image between passes 2016-05-27 07:24:22 +03:00
homm
c051f1d79d ImagingResampleVertical_32bpc implementation 2016-05-27 07:21:34 +03:00
homm
5cd8c35c82 complete ImagingResampleVertical_8bpc implementation 2016-05-27 07:12:01 +03:00
homm
8180b0f4c3 ResampleVertical first implementation 2016-05-27 06:52:19 +03:00
homm
5ffd9e53bc use calloc and INT_MAX 2016-05-26 02:28:35 +03:00
homm
1c3def1d5a return malloc 2016-05-26 02:07:56 +03:00
homm
eec17c0c7a change xmax meaning to avoid substructions 2016-05-26 02:07:56 +03:00
homm
7722d00daf simpler coefficients calculation in ImagingResampleHorizontal_8bpc 2016-05-26 02:07:56 +03:00
homm
d3749ccc7c possible increase precision and avoid compiler warnings 2016-05-26 02:07:56 +03:00
homm
f44a7f8b11 implement round
fix windows build
2016-05-26 02:07:56 +03:00
homm
babaaf9bbe raise on special cases even if imIn->image8 2016-05-26 02:07:56 +03:00
homm
d48324bd21 unroll 8bpc version 2016-05-26 02:07:56 +03:00
homm
126c3151b5 use ImagingPrecompute in ImagingResampleHorizontal_8bpc 2016-05-26 02:07:56 +03:00
homm
f3f03bcd67 unroll 32bpc version 2016-05-26 02:07:56 +03:00
homm
04552b015d use ImagingPrecompute in ImagingResampleHorizontal_32bpc 2016-05-26 02:07:56 +03:00
homm
023f7adcf6 precompute function 2016-05-26 02:07:56 +03:00
homm
7693da9287 separate 8 and 32 bpc implementations 2016-05-26 02:07:56 +03:00
homm
9618ec98b8 test for consistency 2016-05-26 02:07:56 +03:00
homm
e13297b396 make coefficients ints 2016-05-26 02:07:03 +03:00
homm
342e6f213b extra line 2016-05-26 02:07:03 +03:00
homm
3ee407e859 pass struct filter to ImagingResampleHorizontal 2016-05-26 02:07:03 +03:00
homm
0e2a8e4323 intermediate not normalized buffer for coefficients 2016-05-26 02:07:03 +03:00
homm
a5b99dd302 move checks before mallocs to prevent memory leaks 2016-05-26 02:07:03 +03:00
Andrew Murray
a7c7aa171d Updated redirected URLs 2016-02-11 18:51:36 +11:00
Ned Williamson
4e0d9b0b97 fix integer overflow in Resample.c 2016-02-04 07:19:54 -08:00
Andrew Murray
9a2903bf5b Changed 32 bit to 32-bit and 64 bit to 64-bit 2015-10-15 00:49:03 +11:00