Commit Graph

1493 Commits

Author SHA1 Message Date
John Cupitt
493482c8a7 hey ho, line cache goes back too 2016-03-11 14:56:06 +00:00
John Cupitt
a832a0c254 notes 2016-03-11 14:42:12 +00:00
John Cupitt
2ca7b29214 better gauss mat generation 2016-03-10 22:01:55 +00:00
John Cupitt
4974a1ed9c better rounding for vips_resize()
we were getting off by one size errors
2016-03-10 19:53:05 +00:00
John Cupitt
9209fb25c5 update notes 2016-03-10 17:40:19 +00:00
John Cupitt
d351e07a6b finish up 2016-03-10 17:33:34 +00:00
John Cupitt
e9728e389b first commit 2016-03-09 12:56:30 +00:00
John Cupitt
2ea5c5f7e5 make python bandrank() work like bandjoin()
we had a custom wrapper for bandjoin(), but bandrank(), a function with
an almost identical interface, did not ... this was confusing

bandrank() now has a custom wrapper too ... this breaks API
unfortunately, but hopefully very few people were using this thing and
it's better to make this change as soon as possible
2016-03-01 12:12:51 +00:00
John Cupitt
25c3c49d1c better handling of cast+shift for non-int formats
before, im.cast(uchar, shift = true) where im was float and tagged as
rgb16 would not shift the image, since it's unclear how much to shift a float
type by

now we do two casts: first, we guess the numeric range from the
interpretation, so rgb16 would be ushort, so we cast float->ushort;
second, we cast to the target type and do the shift on the way

see https://github.com/jcupitt/libvips/issues/397

thanks apacheark
2016-03-01 11:31:54 +00:00
John Cupitt
b197773095 oop, overflow in sharpen
plus another tweak of the defaults
2016-02-28 11:24:35 +00:00
John Cupitt
35650c2244 reduce the number of copy() ops
reduce the number of copy() ops issued during colour conversion
2016-02-26 14:05:35 +00:00
John Cupitt
c95bbe43b5 oops in sharpen 2016-02-26 12:26:12 +00:00
John Cupitt
d33306836f better rgb16 -> scrgb handling
helps new sharpen tests
2016-02-26 09:08:42 +00:00
John Cupitt
04cc13e321 notes 2016-02-25 11:47:53 +00:00
John Cupitt
c1f1a7c1b3 improve sharpen for screen work
it was a bit granular (since it was designed for offset work), make sharpen
easier to adjust for smaller effects

- new 'sigma' parameter
- greater parameter range
- more self-tests
2016-02-25 11:16:24 +00:00
John Cupitt
789e154cd7 phew, done 2016-02-13 14:04:29 +00:00
John Cupitt
fdf0c349ae almost there
seeing transparency tags when we shouldn't, strange
2016-02-13 11:51:50 +00:00
John Cupitt
c2be771342 fix load from buffer, update APIs 2016-02-12 20:04:46 +00:00
John Cupitt
0dbd64a122 fix gifload memleak 2016-02-12 17:53:15 +00:00
John Cupitt
b10f332404 very close now
just a leak to nail down and some small stuff
2016-02-12 17:30:56 +00:00
John Cupitt
9262d672b7 almost done
a valgrind failure still
2016-02-12 10:53:04 +00:00
John Cupitt
4a63e961ea much faster is_a_svg 2016-02-09 14:42:27 +00:00
John Cupitt
56e45545d3 fix load from buffer 2016-02-09 11:58:43 +00:00
John Cupitt
153886d2eb add svgload
load from bubffer is not working though, strange ... it seems to be
generating a 16-biit image?
2016-02-09 11:01:12 +00:00
John Cupitt
8ffbe98a29 note svg and gif loader needs 2016-02-08 21:47:12 +00:00
John Cupitt
5ca90dc2be final polish 2016-02-08 21:40:44 +00:00
John Cupitt
676d35ed74 add pdfload tests 2016-02-08 20:39:39 +00:00
John Cupitt
991cc4f88b rename as pdfload 2016-02-08 20:25:03 +00:00
John Cupitt
bff4157773 add load pdf from buffer 2016-02-08 17:48:18 +00:00
John Cupitt
b7030d004a add file type sniffing 2016-02-08 17:04:31 +00:00
John Cupitt
5db2c64d90 add @scale option
and set xres/yres
2016-02-08 16:57:37 +00:00
John Cupitt
adfd25a5ed byteswap popplerload
and better path absoluteization
2016-02-08 16:37:47 +00:00
John Cupitt
be574be539 popplerload hacking
metadata, relative filenames
2016-02-08 14:41:57 +00:00
John Cupitt
a7192ce8c6 update notes 2016-02-08 10:00:18 +00:00
John Cupitt
a41a1d5c33 popplerload seems to work
though it's not been tested much
2016-02-08 09:30:33 +00:00
John Cupitt
8da4e706dd start adding poppler support 2016-02-07 23:33:43 +00:00
John Cupitt
8cffd136e9 finish reduce
and fix up bicubic a bit, it works better on int32 images now
2016-02-07 17:41:39 +00:00
John Cupitt
39e6963033 start tests 2016-01-29 17:55:54 +00:00
John Cupitt
67f3ecfd8d wire up to resize / similarity
still need tests
2016-01-29 15:23:00 +00:00
John Cupitt
fbe010b80a in-line reduceh as well 2016-01-29 15:01:54 +00:00
John Cupitt
dd7b30bd00 in-line reducev
bit quicker
2016-01-29 13:16:00 +00:00
John Cupitt
3bb24f2567 some tinkering
still not very quick
2016-01-28 09:33:32 +00:00
John Cupitt
4d18300560 add VIPS_FABS/MAX/MIN/CLIP
macros which use the gcc __builtin_fabs() etc. functions when they can
2016-01-26 12:26:21 +00:00
John Cupitt
d3f87c5f44 notes 2016-01-20 11:58:59 +00:00
John Cupitt
dbf9a5ed1c fix dzsave tile-width default
was wrong for google / zoomify layouts

revise tests too
2015-12-30 11:23:33 +00:00
John Cupitt
1593b23fc4 allow smaller rowsperstrip
and some other tiny things
2015-12-13 14:55:56 +00:00
John Cupitt
5916e25c31 rename python bandjoin as ibandjoin
oh argh class and instance methods are in the same namespace, so we have
to rename the instance one as ibandjoin

also, start adding a test for arrayjoin
2015-12-12 12:29:20 +00:00
John Cupitt
18baf40b1a fix mapim typo
oops! typo ... also an off-by-one issue for larger stencils

more error checking in interpolators

fix rounding in nohalo/lbb ... they were rounding to nearest in the
interpolator, rather than using floor. This broke assumptions about
stencil position elsewhere. The right way to do centre convention is to offset
the whole input by 0.5 pixels.
2015-11-22 10:29:45 +00:00
John Cupitt
16c4eeabad python does auto complx/uncomplx
this is a bit ugly :-(
2015-11-20 16:29:43 +00:00
John Cupitt
a8b78371f8 better run_cmplx()
ready to go into Vips.py
2015-11-20 14:55:28 +00:00