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407 Commits

Author SHA1 Message Date
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
Stephen Arthur
0bc4423487 Move the declaration to the beginning of scope to make vs happy 2016-05-22 19:13:19 -07:00
Stephen Arthur
67a243d82d Removing the one-line variable declare / assign to make appveyor happy 2016-05-22 18:50:42 -07:00
Stephen Arthur
8b572ade81 Found edge cases with custom qtables 
And there was a lingering bug since the previous qtable unsigned char fix
(#1814) since the call to array.array was in another place, the roundtrip was no
longer equivalent.

That was a minor change, but the revised test wouldn't pass because saving an image
with one custom qtable automatically adds a second to it by the call to
jpeg_set_defaults.
With 1 or >2 custom tables, there is extra work we have to do due to that call.
 2016-05-22 17:54:31 -07:00
rr-
0430a4a834 Fix libimagequant facade header 2016-05-21 21:11:54 +02:00
rr-
bc0e896b35 Change libimagequant facade signature 2016-05-21 21:01:57 +02:00
rr-
8b7fb44c6b Make libimagequant visibility detectable 2016-05-06 21:06:54 +02:00
rr-
0b4a089321 Fix C99 errors inside libimagequant quantizer 2016-05-06 20:08:35 +02:00
rr-
cb4ded4929 Minor fixes 2016-05-06 19:29:42 +02:00
rr-
eb354be7c4 Add method=Image.LIBIMAGEQUANT for quantize() 2016-05-05 21:39:16 +02:00
wiredfool
faeb269e30 Revert "Fix for DIB/BMP images" 2016-04-19 16:37:29 +01:00
Hugo
a7c678b1af Merge pull request #1813 from wiredfool/DIB_1293 
Fix for DIB/BMP images
 2016-04-06 19:58:25 +03:00
wiredfool
0e3caec317 Added Transparency mask unpacker for BMP files 2016-04-06 07:40:49 -07:00
wiredfool
14f3b45f46 Merge pull request #1789 from zwhfly/tiff 
Add Support for 2/4 bpp Tiff Grayscale Images
 2016-04-03 12:07:48 -07:00
wiredfool
a1f244343d Fixed j2k integer overflow error on encode - CVE-2016-3076 2016-04-01 05:11:54 -07:00
zwhfly
4d147c16d3 Add Some Unpackers for 2/4 bpp Grayscale Format 
As seen in some tiff image files.
 2016-03-29 20:17:39 +08:00
Andrew Murray
a7c7aa171d Updated redirected URLs 2016-02-11 18:51:36 +11:00
Eric Soroos
07a42363c4 change ifd entry to use uint following libtiff interface 2016-02-04 08:13:17 -08:00
Eric Soroos
717720b051 Fix for buffer overflow in TiffDecode.c CVE-2016-0740 2016-02-04 08:13:11 -08:00
wiredfool
893a40850c FLI overflow error fix and testcase CVE-2016-0775 2016-02-04 08:13:02 -08:00
wiredfool
1723dc2d07 Merge pull request #1714 from wiredfool/resample-overflow 
Overflow in resample.c, with tests
 2016-02-04 07:52:59 -08:00
Ned Williamson
4e0d9b0b97 fix integer overflow in Resample.c 2016-02-04 07:19:54 -08:00
wiredfool
ae453aa18b PCD decoder overruns the shuffle buffer, Fixes #568 2016-02-02 05:46:26 -08:00
Andrew Murray
8f9b3a7372 Changed arcs, chords and pie slices to use floats 2015-12-09 00:28:52 +11:00
Andrew Murray
9a2903bf5b Changed 32 bit to 32-bit and 64 bit to 64-bit 2015-10-15 00:49:03 +11:00
Hugo van Kemenade
00615df3b5 Merge pull request #1487 from radarhere/fix 
Removed trailing whitespace
 2015-10-12 11:06:11 +03:00
Andrew Murray
89fb9965ef Capitalised Python and Pillow 2015-10-11 21:27:43 +11:00
Andrew Murray
6bd7e7f02d Removed trailing whitespace 2015-10-11 21:24:35 +11:00
nu774
2be12dec2b Don't use int to handle type 
Couldn't accept handle values greater than 0x7FFFFFFF, which wasn't enough even on 32bit system, and completely wrong for 64bit.
 2015-10-01 14:54:32 +01:00
Christoph Gohlke
e6733c813a Disable compiler optimizations for topalette and tobilevel functions for all msvc versions 2015-08-28 23:15:56 -07:00
wiredfool
a92d737177 Merge pull request #1278 from wiredfool/winbuild 
Windows Build/CI
 2015-06-18 09:03:38 -07:00
wiredfool
d2e54d7973 Merge pull request #1255 from radarhere/polygon 
Fixed polygon edge drawing
 2015-06-17 18:18:36 -07:00
wiredfool
fd55099ffc merge a year of master into winbuild 2015-06-10 12:49:07 -07:00
Andrew Murray
9e24ae023d Fixed various typos 2015-06-08 01:17:49 +10:00
Andrew Murray
16261beeba Fixed polygon edge drawing 2015-06-05 11:16:33 +10:00
Andrew Murray
3cd7f0e6f2 Removed unused variable in Jpeg2KEncode 2015-04-01 15:14:56 +11:00
wiredfool
4566a4dcbe Merge pull request #1128 from hugovk/noise 
Fix ImagingEffectNoise
 2015-03-08 18:29:44 -07:00
hugovk
f1333617d5 Replace harcoded assumption of RAND_MAX with constant. It caused an infinite loop if RAND_MAX > 32767 2015-03-05 23:14:36 +02:00
hugovk
0b79c6e24a Remove unreachable code (if 0) 2015-03-05 21:07:16 +02:00
wiredfool
b384a7f992 Merge pull request #1088 from bgilbert/opaque-RGBa 
Fast path for opaque pixels in RGBa unpacker
 2015-02-05 22:32:58 -08:00
immerrr
d41fed6732 Enable basic support for 'RGBa' raw encoding/decoding 2015-02-02 13:06:56 +03:00
Benjamin Gilbert
77b020b374 Special-case opaque pixels in RGBa unpacker 
Avoid the expensive multiply and divide when the pixel is opaque.
On my system, this change gives a 5.76x speedup loading an opaque image
with this call:

    PIL.Image.frombuffer('RGBA', (1000, 1000), buf, 'raw', 'RGBa', 0, 1)
 2015-01-24 01:13:58 -05:00
Christoph Gohlke
9b8202203a Use Py_ssize_t instead of ssize_t 2014-12-19 01:30:16 -08:00
Christoph Gohlke
b8fafdef69 Use Py_ssize_t instead of ssize_t 2014-12-19 01:28:21 -08:00
Christoph Gohlke
8fb8d2ec3a Fix msvc compiler error 2014-12-15 14:44:12 -08:00
wiredfool
2d2293ba3b Merge pull request #1028 from homm/resize-constants 
Rename Image.ANTIALIAS to Image.LANCZOS
 2014-12-03 16:14:29 -08:00
wiredfool
05b578e7f4 Fix for building on OSX/Clang. 2014-12-01 20:40:10 -08:00
homm
43d5d06ce4 rename Image.ANTIALIAS to Image.LANCZOS 2014-11-28 01:41:56 +03:00
wiredfool
e16ee15f2c Merge pull request #997 from homm/replace-resize 
Replace resize method
 2014-11-27 10:26:48 -08:00
wiredfool
8a3302ba5d Merge pull request #961 from homm/fast-box-blur 
Merge Fast Gaussian Blur
 2014-11-27 10:20:11 -08:00
homm
107b4a8b07 sharp alpha channel 
resolve sharp endianness issues
 2014-11-22 01:58:31 +03:00
homm
d0c419632e resolve endianness issues 2014-11-21 21:53:13 +03:00
homm
bc0f896a47 rename Antialias and stretch to resample 2014-11-19 14:36:00 +03:00
homm
1a097d2e02 Merge commit 'e0b94d65bedb4a2124228aa579686a3ba2974d11' into replace-resize 2014-11-19 13:45:04 +03:00
homm
6078e6e1a7 this bug actually was in previous implementation too: 
type switch default case was never achieved because special
images is in image8 pointers, not in image32
 2014-11-19 03:15:24 +03:00
wiredfool
9d1fde0fff Use __NO_INLINE__ instead of Py_DEBUG 2014-11-13 21:35:06 -08:00
wiredfool
112a4815f0 Fix compilation on debug versions of python 2014-11-13 15:53:51 -08:00
homm
aba798af25 replace resize implementation 2014-11-09 21:52:16 +03:00
homm
90ee223305 Move ImagingTransposeToNew from Antialias.c to Geometry.c 2014-11-09 03:15:54 +03:00
homm
7a64f7be80 Replace UINT32 assignment with per-channel UINT8 assignment 2014-11-09 03:08:25 +03:00
homm
abc5e11371 two bands case 2014-11-09 03:08:25 +03:00
Eric Soroos
af02f2b29e Fix for endianness issues in stretch 2014-11-09 03:07:19 +03:00
homm
b8a2b5b907 typo. Free mem after ModeError. 2014-11-09 03:05:57 +03:00
homm
1cd6da4a49 fix performance regression on 64 bit GCC 4.8. 2014-11-09 03:05:57 +03:00
homm
42967dd1a6 speedup by unrolling loops 2014-11-09 03:05:57 +03:00
homm
c22af89ef0 optimize memory usage 2014-11-09 03:05:56 +03:00
homm
e9fc720709 faster float to 8bit convertion 2014-11-09 03:05:56 +03:00
homm
a484d28d1f make x indexes int 2014-11-09 03:05:56 +03:00
homm
e276e6a535 move ww into coefficients 2014-11-09 03:05:56 +03:00
homm
01b947c602 Iterate pixels in native order 2014-11-09 03:05:56 +03:00
homm
b77521bd6c Precompute coefficients for all x 2014-11-09 03:05:56 +03:00
homm
40f9f48680 two ImagingStretchHorizaontal pass with two transposes 2014-11-09 03:05:56 +03:00
homm
c8471bcbda Hide stretch implementation detail in Antialias.c 2014-11-09 03:05:56 +03:00
wiredfool
cfbe49f124 Merge pull request #994 from homm/add-transpose 
Add transpose and cache aware rotation
 2014-11-07 13:58:18 -08:00
homm
4cf2f158b6 add test 
update comment
 2014-11-07 11:48:47 +03:00
homm
a51b176644 make ROTATE_CHUNK constant 
add comment
 2014-11-07 04:46:16 +03:00
homm
cfa20f1004 rotate 90 and 270 by chunks 2014-11-07 04:15:18 +03:00
homm
a960d440db less operations in loop 2014-11-07 03:57:00 +03:00
homm
d41bc4fbfc convert tabs into spaces 2014-11-07 03:21:38 +03:00
wiredfool
20be641329 Merge pull request #970 from homm/fix-bicubic-stretch 
Fix bicubic stretch interpolation
 2014-11-05 17:45:47 -08:00
homm
4007a78d53 rename temp to imTransposed 
actualize comments
 2014-10-30 14:48:29 +03:00
homm
c99f05cd6e change arguments order and names in LineBoxBlurXX and HorizontalBoxBlur 2014-10-30 14:32:41 +03:00
homm
36a35e7e27 update box_blur help 
fix code style for `!`
fix spelling
 2014-10-30 14:19:12 +03:00
homm
4323683a63 move ImagingGaussianBlur to BoxBlur.c 2014-10-25 17:17:53 +04:00
homm
274f0a14ba change arguments order and names to match other functions 2014-10-25 17:16:14 +04:00
homm
65173f946b replace gaussian blur with extended box blur implementation 2014-10-25 16:36:41 +04:00
homm
d89c9ab750 Merge branch 'gaussian-refactor' into fast-box-blur 2014-10-25 15:50:57 +04:00
homm
36cbb16bf6 Add tests. Rise for "P" and "1". 2014-10-25 14:23:07 +04:00
homm
acdcdd487f convert tabs to spaces 2014-10-25 14:19:29 +04:00
homm
12ba034dc8 unlock upscale filters 2014-10-25 12:39:03 +04:00
homm
d7d92275f1 Change arguments order and names 2014-10-25 04:28:05 +04:00
homm
57cd15f9b1 Use Transpose from geometry. 2014-10-25 04:27:46 +04:00
homm
316ac5ad57 Merge branch 'add-transpose' into fast-box-blur 2014-10-25 04:18:43 +04:00
homm
0c90ce2504 Add new fast ImagingTranspose function 2014-10-25 04:17:59 +04:00
homm
c2d688c4b6 fix bicubic stretch interpolation 2014-10-24 12:57:32 +04:00
homm
c1eb77a4ed faster commit 2014-10-19 18:34:49 +04:00
homm
f55ea4c04c Do not use lineOut buffer if source and destination are different. 2014-10-19 13:54:18 +04:00
homm
516bd90cf7 support for multiple passes with only two transposes 2014-10-19 13:54:13 +04:00
homm
d91d7b9826 significant speed improvement (about 55%) 2014-10-19 00:01:38 +04:00
homm
22668de6db HorizontalBoxBlur unified 
LineBoxBlur8 & LineBoxBlur32
 2014-10-18 18:37:14 +04:00
homm
7d77db20ad Small optimization: replace division with multiply. 2014-10-18 04:02:10 +04:00
homm
d07c9c2e4e unused 2014-10-16 16:00:29 +04:00
homm
53c8352f39 highlevel api 2014-10-15 04:08:21 +04:00
homm
5861a46a54 check image mode 2014-10-14 23:29:50 +04:00
homm
a27baf90be fix large radius. tests 2014-10-14 03:26:46 +04:00
homm
da84cd7ea6 big radius special case 2014-10-14 02:17:53 +04:00
homm
d3d4ff69eb introduce corners 2014-10-13 23:45:21 +04:00
homm
b1cef839bd fix window calculation 2014-10-13 04:40:44 +04:00
homm
3906ff3c76 fix x bounds 2014-10-13 03:39:35 +04:00
homm
835db5d12f type check 2014-10-12 22:40:36 +04:00
homm
2c723abbca move HorizontalBoxBlur8 down and remove comments 2014-10-12 22:40:36 +04:00
homm
591fc67aae micro optimizations 2014-10-12 22:40:31 +04:00
homm
92635d0624 8bit 2014-10-12 22:26:00 +04:00
homm
e95382eb08 integer implementation for float radius 2014-10-12 20:30:46 +04:00
homm
f3af171dc4 fix round compensation 2014-10-12 20:09:28 +04:00
homm
f711ab3eb6 float radius 2014-10-12 20:01:49 +04:00
homm
23068e49be allow float radius (without implementation) 2014-10-12 19:24:38 +04:00
homm
b7b3c719fa blur in both directions 2014-10-12 17:59:20 +04:00
homm
cc9eff5c68 fast realization with moving window. 
linear speed against any radius
 2014-10-12 17:47:00 +04:00
homm
a6937d84d8 first Horizontal Blur for 32 2014-10-12 17:11:24 +04:00
homm
d49459f5b2 box blur dummy 2014-10-12 16:30:00 +04:00
homm
e38a64b21b round values with initial .5 
this improves performance and readabillity
 2014-10-12 15:13:37 +04:00
homm
bc24685344 do sum calculation in same loop as maskData calculation 2014-10-12 14:21:13 +04:00
homm
51984f4aa8 fix radius == 0 2014-10-12 14:16:09 +04:00
homm
84b9f16bfd add effective_scale to all APIs 2014-10-12 03:29:20 +04:00
homm
091b15f9d5 rename vars 2014-10-12 03:19:26 +04:00
homm
5bb0cfa17a remove pseudo vcs 2014-10-12 02:05:13 +04:00
homm
b1b5db16cd padding not using anywhere 2014-10-12 00:50:18 +04:00
homm
7bc19c4019 reference gaussian_blur implementation 
radius meaning match graphicmagick, pixelmator other software
  and standard deviation from classic gaussian blur algorithm
 2014-10-11 23:51:26 +04:00
homm
bef7e1dce8 cache hasAlpha for ImagingUnsharpMask 2014-10-08 17:40:33 +04:00
homm
e56aed1a95 round pixel values 2014-10-08 15:05:48 +04:00
homm
05c99131e0 fix blur for RGBA & RGBX 2014-10-06 21:55:43 +04:00
homm
626acf705f convert tabs to spaces 2014-10-06 21:04:54 +04:00
Sandro Mani
7502e6dd45 Remove executable permissions from Jpeg2KEncode.c 2014-10-03 09:57:32 +02:00
Andrew Murray
006229595a Remove unused variable in libImaging 2014-10-02 07:48:12 +10:00