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Author SHA1 Message Date
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
Felix Bünemann
c63d7f7373 Change default PNG quantization quality to 100 
and improve parameter description.
 2018-06-19 09:19:43 +02:00
Felix Bünemann
d9d2f7b89a Add 8bpp PNG quantization support 
This adds support for saving 8-Bit one band palette based PNG images
with palette based alpha channel (often called PNG8+Alpha).

The image is first converted to sRGBA and then quantized using
libimagequant controlled by the colors, Q and dither params.
 2018-06-18 02:22:46 +02:00
Felix Bünemann
b5531cf1ed Add libimagequant detection to configure 2018-06-18 00:57:18 +02:00
John Cupitt
f5cfd7f17a
Merge pull request #1007 from felixbuenemann/verbose-pyvips-tests 
Run pytest verbose on Travis CI
 2018-06-14 16:58:21 +01:00
Felix Bünemann
0f9e87bc69 Run pytest verbose on Travis CI 
This should make it easier to see which tests cause problems.
 2018-06-14 17:40:27 +02:00