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5841 Commits

Author SHA1 Message Date
John Cupitt 479610ff30 better handling of ASCII control chars in xml 
represent ASCII control chars as their unicode glyphs in XML

see http://www.shacknews.com/chatty?id=37738911#item_37738911
 2018-07-23 18:21:15 +01:00
John Cupitt 19b27c846e fix possible used-before-set in radiance.c 
some versions of glib might not zero some parts of the Read struct

see https://github.com/jcupitt/libvips/issues/1040
 2018-07-23 15:55:32 +01:00
John Cupitt 2d94fe732a escape ASCII control chars in xml 
stops some XML parse errors on corrupt metadata

see https://github.com/jcupitt/libvips/issues/1039
 2018-07-23 14:55:37 +01:00
John Cupitt 9fa03e80c7 fix buffer overflow in radiance read 
old-style RLE images could overflow the output buffer if incorrectly coded

see https://github.com/jcupitt/libvips/issues/1039
 2018-07-23 12:55:41 +01:00
John Cupitt 136c8d8cd6 credit rad change 2018-07-22 18:51:29 +01:00
John Cupitt 26fcccba9b fix out of bounds write in radiance 
It was using a fixed 64-byte stack buffer for the RHS of format lines.
Lines can be MAXLINE (2048) chars, so a long line could overflow. If we
use MAXLINE for the small buffer as well, we are guaranteed to not
overflow.

thanks HongxuChen

See https://github.com/jcupitt/libvips/issues/1039
 2018-07-22 16:28:29 +01:00
John Cupitt 927f92a8bb update rad read from rad5R1 
hopefully the new radiance code will be more robust
 2018-07-22 13:04:46 +01:00
John Cupitt 0077017ad8 fix a tiff2vips crash on fractional samples 
tiff2vips failed if samples_per_pixel was not a multiple of 8, ie.
byte-aligned, and the image was not palette-ised

thanks HongxuChen

see https://github.com/jcupitt/libvips/issues/1039
 2018-07-21 17:06:01 +01:00
John Cupitt 3565808281 Merge branch 'add-nifti-support' 2018-07-20 18:20:52 +01:00
John Cupitt 8730d8ddf1 add nifti ext save 2018-07-20 18:20:26 +01:00
John Cupitt e72ad7045d add a nifti test 2018-07-20 17:23:06 +01:00
John Cupitt 3d5b0b814f merge in test suite 2018-07-20 13:58:27 +01:00
John Cupitt 3201b4373d Merge branch 'master' into add-nifti-support 2018-07-20 13:57:51 +01:00
John Cupitt d03416d386 works! 
just needs some tests

could be faster too
 2018-07-19 17:45:54 +01:00
John Cupitt 9179156132 almost working 
get a 1x1 pixel output now
 2018-07-19 16:06:21 +01:00
John Cupitt 06a40cc7ee sort-of works 
but can't set meta correctly, try:

	$ vipsheader -a sub-CC00050XX01_ses-7201_T2w.nii.gz

see all fields, but

	$ vips copy sub-CC00050XX01_ses-7201_T2w.nii.gz x.v
	$ vipsheader -a x.v

only see a few, odd
 2018-07-18 17:09:53 +01:00
John Cupitt ae5cbcd985 add note on '!' to vipsthumbnail docs 
oops, this was missing, thanks beaudet

see https://github.com/jcupitt/libvips/issues/659
 2018-07-17 12:39:48 +01:00
John Cupitt 1028907e58 more save work 2018-07-16 12:49:12 +01:00
John Cupitt 7496381fc9 more getting ready for niftisave 2018-07-13 13:08:23 +01:00
John Cupitt d186ac69d6 a more more work on niftisave 2018-07-10 17:16:49 +01:00
John Cupitt d06c2fee22 use exif_tag_get_name_in_ifd() everywhere 
exif tag names change with the ids they appear in, so you must always
use exif_tag_get_name_in_ifd(), not exif_tag_get_name()

see: https://github.com/jcupitt/libvips/pull/1030
 2018-07-09 09:35:39 +01:00
John Cupitt 274fd7468c
Merge pull request #1030 from Nan619/master 
Should use exif_tag_name_in_ifd() instead of exif_tag_get_name()
 2018-07-09 09:15:14 +01:00
Water Liu bba03a10d7 Should use exif_tag_name_in_ifd() instead of exif_tag_get_name() 
vipsheader -a path/to/foo.jpg
...
exif-ifd2-ExifVersion: Exif Version 2.21 (Exif Version 2.21, Undefined, 4 components, 4 bytes)
...
exif-ifd3-InteroperabilityIndex: N (N, ASCII, 2 components, 2 bytes)
exif-ifd3-InteroperabilityVersion: 40/1 1/1 58/100 (40,  1, 0.58, Rational, 3 components, 24 bytes)

The above two tag name are incorrect, should be:

exif-ifd3-GPSLatitudeRef: N (N, ASCII, 2 components, 2 bytes)
exif-ifd3-GPSLatitude: 40/1 1/1 58/100 (40,  1, 0.58, Rational, 3 components, 24 bytes)

Signed-off-by: Water Liu <water@yunify.com>
 2018-07-09 11:14:12 +08:00
John Cupitt 8cf34fd8f9 only set PREDICTOR if necessary 
removes a warning if libtiff is compiled without support
 2018-07-08 20:02:02 +01:00
John Cupitt 2695916afb test region_shrink 
just sets the option, does not verify accuracy :(
 2018-07-07 17:07:35 +01:00
John Cupitt 92ff5be4b8 add notes on testing to the README 2018-07-07 16:22:17 +01:00
John Cupitt 43199e7b27 add tests for exif string fields 
test exif string tag set/save/load
 2018-07-06 17:01:38 +01:00
John Cupitt 51e7645859 fix "make check" 
eited the wrong file :(
 2018-07-06 16:11:02 +01:00
John Cupitt d510807e90 vmoe the test suite back into libvips 2018-07-06 15:43:20 +01:00
John Cupitt f0a44ce936 add a few more string types 2018-07-06 12:09:48 +01:00
John Cupitt 34bb1fc83c save framework done 2018-07-06 11:53:35 +01:00
John Cupitt 76eef8912e start niftisave 2018-07-05 17:38:37 +01:00
John Cupitt b0168a3cf6 remove a copy on load 2018-07-05 15:22:11 +01:00
John Cupitt 63bb380569 fix ASCII exif tag write 
sigh libexif has three different types of string write
 2018-07-04 08:50:14 +01:00
John Cupitt 3a9adbcea9 seems to work 
could probably add some more fields
 2018-07-03 16:36:39 +01:00
John Cupitt c12cd6d2cb not quite there 
trying to set EXIF_TAG_USER_COMMENT but not working
 2018-07-03 14:55:47 +01:00
John Cupitt 1cc7dd6af7 start hacking 2018-07-03 10:01:14 +01:00
John Cupitt 039c716f63 revise FIND_*() macros 
they should set CFLAGS, not INCLUDE
 2018-07-02 20:22:41 +01:00
John Cupitt 294104da32 more TODO notes on niftiload 2018-07-02 15:15:37 +01:00
John Cupitt 06e8d1d523 load seems to work 2018-07-02 14:57:24 +01:00
John Cupitt d756705929 set EXTRASAMPLES on tiff pyr layers 
we were not copying EXTRASAMPLES when copying pyr layers
 2018-07-02 08:32:14 +01:00
John Cupitt 7716fa957b nifi header read done 2018-06-30 21:57:00 +01:00
John Cupitt 6dc6b4f722 add niftiload skeleton 2018-06-29 17:31:17 +01:00
John Cupitt 93881b8dec add FIND_NIFTI 
looks for libniftiio
 2018-06-29 16:32:28 +01:00
John Cupitt 10c4831a70 misplaced include broke the build 2018-06-20 16:19:53 +01:00
John Cupitt cb76ffb0bd break quantise out to a separate file 
slightly simpler reference and memory handling too
 2018-06-20 15:38:33 +01:00
John Cupitt 35b4a1a3b5 fix mem leak in pngsave 
and some reformatting and changelog notes
 2018-06-20 14:20:22 +01:00
John Cupitt a3780a761e
Merge pull request #1009 from felixbuenemann/8bit-png-quantization-support 
8-Bit PNG Quantization Support
 2018-06-20 13:09:17 +01:00
Felix Bünemann 1abc5f901a Add palette flag to trigger pngsave quantisation 
and tweak docstrings.
 2018-06-19 22:41:40 +02:00
Felix Bünemann 1e68b3a486 Rename pngsave colors/colours, quantize/quantise 2018-06-19 21:32:44 +02:00