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Author SHA1 Message Date
John Cupitt
618af96723 vips_system() out-format can take options 
you can now put options like [scale=2] at the end of out_format ...
these are stripped before running the command, but use to load the
output image back into libvips again
 2016-03-28 10:50:39 +01:00
John Cupitt
1a5f4a56fc fix realpath on win32 
oops, extra decl was shadowing result
 2016-03-27 13:57:59 +01:00
John Cupitt
d5b6a2ec3e fix win32 build issues 2016-03-26 11:09:46 +00:00
John Cupitt
3115310bb7 fix no-orc builds 2016-03-26 10:45:31 +00:00
John Cupitt
95a74cbf28 tiny help polishing 2016-03-25 16:35:28 +00:00
John Cupitt
ddd7ab7459 doc fixups 2016-03-25 10:56:59 +00:00
John Cupitt
1a25c7a083 better rounding in vipsthumbnail 2016-03-25 10:42:21 +00:00
John Cupitt
2996947b0d start fixing up test_thumbnail 
since --interpolator no longer does anything
 2016-03-25 06:11:01 +00:00
John Cupitt
da43a4041f move cpp overloads outside class 
so they are true functions and we can take their address

see https://github.com/jcupitt/libvips/issues/409
 2016-03-25 06:09:07 +00:00
John Cupitt
2ab14a3590 better rounding in vector reducev 
add before downshift to round to nearest on 16->8 fixed-point conversion
 2016-03-25 06:07:58 +00:00
John Cupitt
8a74609172 Merge branch '8.2' 2016-03-24 17:52:18 +00:00
John Cupitt
0f298b0e4d docs note 2016-03-24 17:47:24 +00:00
John Cupitt
213f9e23b4 count colour pixels 
more overcomputation testing
 2016-03-24 17:41:05 +00:00
John Cupitt
f6d7463185 sync 2016-03-24 16:10:58 +00:00
John Cupitt
ec5cdf4fff Merge branch '8.2' 2016-03-24 16:09:44 +00:00
John Cupitt
b4737525cf sync 2016-03-24 16:08:36 +00:00
John Cupitt
72ea91fecc fix nohalo, vsqbs interpolators 
we were getting occasional memory access problems in nohalo and vsqbs
interpolators ... the previous fix was not enough

version bump
 2016-03-24 16:06:31 +00:00
John Cupitt
36e0b60ffa put the resize cache back again 
stops overcomputation on vips_shrink()
 2016-03-22 14:35:44 +00:00
John Cupitt
3c98ba78a0 small experiment 2016-03-22 14:19:32 +00:00
John Cupitt
e8b5cb6c23 add VIPS_COUNT_PIXELS, overcomputation tracking 
added VIPS_COUNT_PIXELS(), use like this:

	static int vips_shrinkh_gen( VipsRegion *or, ... )
	{
        	VIPS_COUNT_PIXELS( or, "vips_shrinkh_gen" );
	}

and on image close, if more than 100% of the pixels have been
calculated, you get a warning

only if you enable debugging, since this hurts perf slightly
 2016-03-22 12:26:45 +00:00
John Cupitt
4f8aca3a93 sync 2016-03-21 16:40:55 +00:00
John Cupitt
c2035eb0f0 similarity uses reduce more often 2016-03-21 14:18:01 +00:00
John Cupitt
385f8a167f notes 2016-03-21 11:36:15 +00:00
John Cupitt
063706f300 notes 2016-03-21 11:11:27 +00:00
John Cupitt
ba3ae9e671 finished! 
fix up preciscion and signedness issues, simpler inner loop
 2016-03-21 11:08:38 +00:00
John Cupitt
57cba39607 switch to 2.6 bits 
almost working
 2016-03-20 22:29:25 +00:00
John Cupitt
74984f1049 off by one error 
didn't always write the output
 2016-03-19 10:37:02 +00:00
John Cupitt
05156edd15 add orc path for reducev 
works, but still not quite right, see some banding
 2016-03-18 17:41:51 +00:00
John Cupitt
c20eb9dca0 remove old unrolled case for reduce 
not used any more
 2016-03-15 17:34:31 +00:00
John Cupitt
46a18118c6 works! 2016-03-15 16:46:18 +00:00
John Cupitt
ff88087a28 try making the reduce mask larger with residual 2016-03-15 14:59:59 +00:00
John Cupitt
45c3fea6ac more resize tuning 2016-03-15 09:49:30 +00:00
John Cupitt
ac4e5ce059 return of shrink-less-affine-more 
though a bit less extreme
 2016-03-14 14:58:02 +00:00
John Cupitt
773b474116 Merge branch 'master' of github.com:jcupitt/libvips 2016-03-14 13:35:47 +00:00
John Cupitt
82cecf3d9f bilinear interp. supports complex types 
in line with cubic etc.
 2016-03-14 10:06:45 +00:00
John Cupitt
fba2ac2f85 fix sizing issues with new reduce code 
a couple of bugs and some changed conventions
 2016-03-13 17:44:24 +00:00
John Cupitt
f12fef4aa9 fix compile 2016-03-13 11:35:35 +00:00
John Cupitt
dc7902b12f Merge branch 'master' into add-lanczos3 2016-03-13 11:23:03 +00:00
John Cupitt
6368ab0649 add switches to disable rad, analyze and ppm 
vips has built-in support for rad, analyze and ppm ... add configure
switches to disable these readers

useful to reduce the attack surface in some applications
 2016-03-12 16:48:27 +00:00
John Cupitt
42224b6b0e Merge branch '8.2' 2016-03-12 15:12:56 +00:00
John Cupitt
abe4e70d02 make radload slightly more robust 
stops some valgrind warnings
 2016-03-12 15:10:52 +00:00
John Cupitt
70db9aa77b better rounding in resize 2016-03-12 13:14:34 +00:00
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
4f41617d89 TODO notes 2016-03-11 13:47:19 +00:00
John Cupitt
08e8c27e38 moore vips_resize() tuning 
put back the mild post-shrink sharpen, a little more anti-alias

see https://github.com/jcupitt/libvips/issues/404#issuecomment-195297607
 2016-03-11 10:17:41 +00:00
John Cupitt
5d31d8e824 turn up anti-alias for small shrinks 
a little more anti-alias for small reductions

see https://github.com/jcupitt/libvips/issues/404#issuecomment-195276154
 2016-03-11 09:25:33 +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