sergiotarxz/libvips
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Author SHA1 Message Date
John Cupitt
36761bcfd7 make vips_gaussnoise() pixels reproducible 
previously, pixel values were regenerated on every calculation, so they
changed on recomputation

pixel values are now generated from the pixel (x, y) coordinate plus a per-call
seed

thanks MvGulik, see

https://github.com/jcupitt/nip2/issues/60

https://github.com/jcupitt/libvips/issues/583
 2017-01-24 09:36:25 +00:00
John Cupitt
d4d41eef6a doc improvement 
see https://github.com/jcupitt/libvips/issues/521
 2016-09-12 11:15:56 +01:00
John Cupitt
271d8656e9 use round() rather than rint() where appropriate 
rint() rounds to nearest even, rather than nearest ... in some cases,
like geometry transforms, we want strict nearest
 2016-08-20 12:59:41 +01:00
John Cupitt
88252e6794 float output from worley 
no need to int it
 2016-08-11 21:51:58 +01:00
John Cupitt
394fbce999 fix docs for vips_text() 
oops, it's align, not alignment argh

thanks gargsms
 2016-07-27 23:02:28 +01:00
John Cupitt
54aea13a8c type comments for vips_text() 2016-07-27 17:43:28 +01:00
John Cupitt
2dc43198e4 final fixups 2016-07-24 14:47:22 +01:00
John Cupitt
6db9a2fdf9 better smoothing for perlin 2016-07-24 12:58:45 +01:00
John Cupitt
c469bb3983 perlin sort-of works 2016-07-24 11:46:42 +01:00
John Cupitt
99766dbd83 better hash for worley 2016-07-19 12:29:36 +01:00
John Cupitt
e14c97359a done! 
perlin next I guess
 2016-07-19 11:53:56 +01:00
John Cupitt
dac671439c kind-of working 2016-07-19 10:57:21 +01:00
John Cupitt
de981cd9ec docs tweak 2016-07-08 12:18:07 +01:00
John Cupitt
0f2d1a6b0b improve docs 2016-07-08 09:15:56 +01:00
John Cupitt
1ae92bb15f make optional args into bullets 
make docs easier to read
 2016-05-02 10:12:37 +01:00
John Cupitt
2ca7b29214 better gauss mat generation 2016-03-10 22:01:55 +00:00
John Cupitt
d351e07a6b finish up 2016-03-10 17:33:34 +00:00
John Cupitt
2698688c94 oops spelling 2016-01-26 13:37:56 +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
1504ca7cdc have a more formal max image dimension 
we now have VIPS_MAX_COORD for maximum image dimension, set to 10m
pixels ... we could go up to 2bn, but 10m seems a reasonable max, at
least for now

see https://github.com/jcupitt/libvips/issues/355
 2015-12-03 12:14:39 +00:00
John Cupitt
956e2f5cdf tiny cleanups 
see https://github.com/jcupitt/libvips/pull/327

- small layout changes
- rename @linespacing as @spacing
- add ChangeLog notes and gtk-doc notes
- fix text arg priority
 2015-09-20 11:08:44 +01:00
Lei Yang
13fad7a264 create/text: adding linespacing support 2015-09-18 22:01:18 +08:00
John Cupitt
8c5ef3812e oops, fabs()/abs() mixup 2015-05-31 18:10:34 +01:00
John Cupitt
59b47f3900 better compt for old vips_gaussmat() code 2014-12-17 10:36:14 +00:00
John Cupitt
6e2135d8b5 mask builders take prec, not integer 
vips_gaussmat() and vips_logmat() used to default to float, but
vips_conv() defaulted to int ... so this failed:

	vips gaussmat m.v 2 0.1 --separable
	vips convsep k2.jpg x.jpg m.v

since we were using a small float mask with an integer convolution

This change makes everything int by default, with gaussmat having a new
param called --precision whose arg can be int or float.

The old @integer param is deprecated.
 2014-12-16 20:48:11 +00:00
John Cupitt
384a5e05dc change parameters of vips_gaussblur() 
sorry :-(

The old param (passing sigma*2 as an int) were just too confusing
coming from other packages. This new behaviour matches ImageMagick, and
almost everyone else in the world.

A new optional param lets you set the minimum amplitude as well.
 2014-11-19 12:27:26 +00:00
John Cupitt
394149e9e8 fix all docs warnings 2014-11-17 10:32:40 +00:00
John Cupitt
ccedc7c037 better random numbers for gaussnoise 
fixes a problem with repeated use of gaussnoise
 2014-11-08 19:37:18 +00:00
John Cupitt
be4ffa6d8a more pyvips8 docs 
and cleanups of various small doc markup errors
 2014-11-07 14:49:18 +00:00
John Cupitt
02e8c600db more small docs work 
and don't cache gaussnoise
 2014-11-07 09:25:40 +00:00
John Cupitt
ce8d7e5789 tweaks 2014-09-13 18:03:25 +01:00
John Cupitt
8a1397b91f small python fixes 2014-09-13 17:24:59 +01:00
John Cupitt
7ca9121c32 gtk-doc fixes 2014-09-06 08:01:13 +01:00
John Cupitt
6f8b5c6745 bring the rest of the API into python 2014-09-05 23:18:16 +01:00
John Cupitt
7608524f61 fix up gtk-doc comments 
fewer warnings now, phew
 2014-09-03 14:32:55 +01:00
John Cupitt
fe7bd9bdcc add vips_resize() 
a wrapper over affine that just scales ... much faster from the
command-line, since it can set SEQ mode
 2014-08-13 13:57:52 +01:00
John Cupitt
0bb8a218bb exit() in fewer cases 
we now only exit() when we know the stack has been trashed, just warn in
other cases
 2014-07-29 15:23:27 +01:00
John Cupitt
cdecee2705 more vips7 compat fixes 
thanks steve
 2014-07-16 09:40:26 +01:00
John Cupitt
235eb87aa5 sort out sense of fourier filter masks 2014-07-15 09:05:00 +01:00
John Cupitt
df225a97ff small fixes 2014-03-17 13:56:55 +00:00
John Cupitt
ffed43dffe add basic auto-rotate support to vipsthumbnail 2014-03-06 19:39:18 +00:00
John Cupitt
62307d18ef fix to vips_grey() --uchar 2014-03-06 13:56:12 +00:00
John Cupitt
e489d2e099 add --uchar option to vips_linear() 2014-01-14 19:31:19 +00:00
John Cupitt
2a81c611c5 Merge remote-tracking branch 'origin/7.36' 
Conflicts:
	ChangeLog
	configure.ac
	libvips/deprecated/im_exr2vips.c
	libvips/foreign/radiance.c
 2014-01-09 14:30:52 +00:00
John Cupitt
2c184ac06a redo im_fractsurf() as a class 2014-01-04 14:38:30 +00:00
John Cupitt
1f51409bf1 remove old vips7 mask stuff 
just a wrapper now
 2014-01-03 14:24:04 +00:00
John Cupitt
bd17e1811b oops forgot the fractal filter 2014-01-03 12:58:48 +00:00
John Cupitt
2fbaf2d051 finish new mask funcs 
revised docs too
 2014-01-03 12:40:13 +00:00
John Cupitt
54b6ef4e87 rename ffilter as mask 
ffilter was annoying to type
 2014-01-03 09:55:21 +00:00
John Cupitt
dde6e4508a rewrite (most of) the freq mask builders 
all classes now, except gauss band filter
 2014-01-02 18:29:59 +00:00