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435 Commits

Author SHA1 Message Date
Harvey Huang
8b0aa6a64d
Merge pull request #21966 from Harvey-Huang:Unicode_Path 
Support use memory buffer to read multi-page image
 2022-10-11 14:25:35 +03:00
ocpalo
d18362c726 fix warnings in ImageCollection 2022-09-29 20:48:51 +03:00
Sean McBride
1829eba584 Fixed most clang -Wextra-semi warnings 2022-09-27 18:06:46 -04:00
Alexander Smorkalov
04ebedb6f0
Merge pull request #22128 from ocpalo:multipage_img_decoder 
[GSoC 2022] Multipage Image Decoder API
 2022-09-21 16:10:22 +03:00
Berke
062cee2933 new multipage image decoder api - ImageCollection 2022-09-19 20:27:01 +03:00
Alexander Smorkalov
364b3f181d
Merge pull request #22372 from ocpalo:libjpegturbo_nasm 
[GSoC 2022] nasm/simd support for libjpeg-turbo
 2022-09-14 09:08:28 +03:00
ocpalo
d717de5719 nasm/simd support for libjpeg-turbo 2022-09-12 20:26:26 +03:00
Alexander Smorkalov
448e3a7e58
Merge pull request #22226 from ocpalo:libspng 
[GSoC 2022] spng encoder/decoder added as optional png codec
 2022-09-05 13:25:41 +03:00
ocpalo
c4a6e1fd4d decode chunks and calculate checksums 2022-08-31 20:39:33 +03:00
Alexander Smorkalov
5185544864 Enabled EXIF orientation tests for libspng. 2022-08-31 11:57:48 +03:00
Harvey
a4b191a7e0 4-bit_palette_color 2022-08-29 10:21:17 +08:00
Berke
3929e26276 spng encoder/decoder added as optional png codec 2022-08-29 00:03:43 +03:00
Alexander Smorkalov
ffccfa2ee9 Merge pull request #22325 from komakai:fix-quicklook 2022-08-15 09:25:43 +00:00
Giles Payne
500e24d6cd Fix bug ObjC/Swift Quicklook function; check only one channel when drawing Mat as matrix 2022-07-31 21:04:14 +09:00
Berke
b4b69ae484 release png,jpeg resources in destructor 2022-07-14 17:03:57 +03:00
Alexander Alekhin
2a4926f417 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2022-06-26 14:22:24 +00:00
Kumataro
dd7b9000ad
Merge pull request #22064 from Kumataro:3.4-fix22052 
* imgcodecs: jpeg: add IMWRITE_JPEG_SAMPLING_FACTOR parameter

* fix compile error

* imgcodecs: jpeg: add CV_LOG_WARNING() and fix how to initilize Mat

* imgcodecs: jpeg: fix for C++98 mode.

* samples: imgcodec_jpeg: Remove license
 2022-06-20 21:42:50 +03:00
OpenCV Developers
d9a444ca1a Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2022-05-14 11:23:21 +00:00
xiongzhen
2238ac7d59 Apply TIFFTAG_PREDICTOR option for LZW, DEFLATE and ADOBE_DEFLATE compression cases for smaller files. 2022-05-13 09:44:25 +03:00
OpenCV Pushbot
9712cc479b
Merge pull request #21963 from hellodoge:imwrite_fix 2022-05-12 09:02:54 +00:00
Jan Polák
dea0815199 Small imencode documentation improvement 
It was previously not clear that the extension should include the period, [and I am not the only person that encountered this problem](https://stackoverflow.com/questions/4254460/opencv-could-not-find-encoder-for-the-specified-extension).

I assume that this is true for all supported extensions, but I haven't checked the source.
 2022-05-11 14:57:38 +02:00
hellodoge
e4ed2d2e42 fix JpegEncoder::write 
3rdparty/libjpeg-turbo/src/jpeglib.h:
`* NB: you must set up the error-manager BEFORE calling jpeg_create_xxx.`
 2022-05-11 13:08:02 +03:00
OpenCV Developers
2985739b8c Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2022-04-16 14:41:15 +00:00
Alexander Smorkalov
0ee2a58cdc Document defaults for JPEG settings. 2022-04-15 14:36:48 +03:00
Pierre Chatelier
6390b50d6e
Merge pull request #21701 from chacha21:tiff_10_12_14 
Add 10-12-14bit (integer) TIFF decoding support

* Add 12bit (integer) TIFF decoding support

An (slow) unpacking step is inserted when the native bpp is not equal to the dst_bpp

Currently, I do not know if there can be several packing flavours in TIFF data.

* added tests

* move sample files to opencv_extra

* added 10b and 14b unpacking

* fix compilation for non MSVC compilers by using more standard typedefs

* yet another typdef usage change to fix buildbot Mac compilation

* fixed unpacking of partial packets

* fixed warnings returned by buildbot

* modifications as suggested by reviewer
 2022-03-11 21:07:12 +03:00
Alexander Alekhin
2b7803dbac imgcodecs: add runtime checks to validate input 
backport of commit: f9b1dbe2ac
 2022-02-15 16:33:35 +00:00
Alexander Alekhin
f9b1dbe2ac imgcodecs: add runtime checks to validate input 2022-02-15 11:48:09 +00:00
Harvey
f4a7754cc0
Merge pull request #21428 from Harvey-Huang:TIFF 
TiffEncoder write support more depth type

* TiffEncoder write support more depth type

* testing code

* update testing code

* add fallthrough
 2022-01-31 17:54:27 +00:00
Alexander Alekhin
d573472a86 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2022-01-31 12:53:45 +00:00
Suleyman TURKMEN
2b5bb02817 Update imgcodecs.hpp 2022-01-23 01:24:34 +03:00
Alexander Alekhin
22f0bcaf8f Merge pull request #21453 from sturkmen72:bigtiff 2022-01-20 20:00:29 +00:00
Suleyman TURKMEN
f1857030b5 bigtiff images reading 2022-01-16 11:49:10 +03:00
Suleyman TURKMEN
172bb7887c
Update imgcodecs.hpp 2022-01-14 23:36:53 +03:00
Harvey
c3e27bcf87
Merge pull request #21400 from Harvey-Huang:master 
tiff need check TIFFTAG_SAMPLEFORMAT, should not always use unsigned.
 2022-01-11 16:51:50 +00:00
Suleyman TURKMEN
0e6a2c0491 fix legacy constants 2022-01-03 15:08:10 +03:00
Alexander Alekhin
217fea9667 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2021-12-24 16:48:07 +00:00
Alexander Alekhin
92651d228d Merge pull request #21329 from alalek:cmake_openexr_find_package 2021-12-24 11:56:12 +00:00
Alexander Alekhin
f43fec7ee6 cmake: use find_package(OpenEXR) to support OpenEXR 3+ 2021-12-24 00:21:48 +00:00
Alexander Alekhin
381d9bafdf imgcodecs: disable OpenEXR in runtime for 3rdparty source code 
- builtin OpenEXR source code is outdated
- external OpenEXR distributions are allowed
 2021-12-23 10:41:18 +00:00
Alexander Alekhin
ac4b592b4e Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2021-11-20 05:13:50 +00:00
nickjackolson
79d4e865fe Add warning message to imread() 
Add a warning message using CV_LOG__WARNING().
This way api behaviour is preserved. Outputs are
the same but user gets an extra warning in case
fopen() fails to access image file for some reason.
This would help new users and also debugging
complex apps which use imread()

Signed-off-by: nickjackolson <metedurlu@gmail.com>
 2021-11-18 21:19:05 +01:00
Harvey
af154e3053 fixed bug: opencv read tif file convert Palette color image as grayscale image 2021-10-27 14:10:11 +08:00
Alexander Alekhin
6a2077cbd8 Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2021-10-23 15:33:31 +00:00
Harvey
9267536fee
Merge pull request #20875 from Harvey-Huang:master 
* bmp specified BI_BITFIELDS should take care RGBA bit mask

* change the name

* support xrgb bmp file

* support xrgb bmp file(add test case)

* update testing code
 2021-10-22 17:04:19 +03:00
Harvey
ce68291d83 32bit rgb bmp file should not copy data as rgba 2021-10-21 16:47:27 +08:00
Alexander Alekhin
31c40fa4cc Merge remote-tracking branch 'upstream/3.4' into merge-3.4 2021-10-15 13:35:03 +00:00
Stanislaw Halik
3d93675ff9 fix link error on shared libs with -MT 2021-10-12 17:50:31 +02:00
Giles Payne
eb56ca3b0d Fix build on older Xcode versions 2021-10-06 21:06:30 +09:00
Ruben Gonzalez
0c13d34ade imgcodecs(doc): Sync imread_ docuemtation with the implemetation. 
Documentation was desynchronized in commit 11eafca3e2
 2021-09-07 12:51:34 +02:00
Giles Payne
2f180cea7f Add Quicklook for Mat on iOS and macOS 2021-07-25 14:23:52 +09:00