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35 Commits

Author SHA1 Message Date
Kleis Auke Wolthuizen 0337c09700
Cleanup gettext handling (#2695) 
Use GLib's i18n support instead of copying and pasting that
logic into its own header. This deprecates the vips/intl.h
header in favour of glib/gi18n.h.
 2022-02-27 15:27:28 +00:00
Kleis Auke Wolthuizen 50a74ceeec
Mark some functions and variables as static (#2691) 
These are only used in the same file, and not exported.
 2022-02-27 13:41:39 +00:00
Corentin Noël 69bf2be12b
Enhance the introspection support by fixing annotations (#2657) 
Also refine the .metadata file
 2022-02-15 10:54:40 +00:00
John Cupitt 362adae8c6
Revert "Enhance the introspection support by fixing annotations (#2655)" (#2656) 
This reverts commit 47796dcda0.
 2022-02-15 10:08:07 +00:00
Corentin Noël 47796dcda0
Enhance the introspection support by fixing annotations (#2655) 
* Ensure that double asterisk characters are only used for gtk-doc comments

This triggers warnings when parsing the files with the introspection scanner
and gtk-doc

* Enhance the introspection support by fixing annotations

Also refine the .metadata file

Co-authored-by: John Cupitt <jcupitt@gmail.com>
 2022-02-15 09:54:32 +00:00
John Cupitt d203a3fb89 small comment improvements 2020-07-21 18:03:45 +01:00
Lovell Fuller e508ea6511 Performance: improve scRGB to sRGB conversion by ~8% 
- Remove unnecessary isinf checks as values are clipped
- Remove any ignored out-of-gamut tracking
 2020-07-21 14:36:57 +01:00
Lovell Fuller 768ab7fa8f Improve greyscale perf by using isinf/isnan after calc 2018-01-02 20:36:14 +00:00
John Cupitt 955a5a97cc sRGB2scRGB uses the colour luts directly 
rather than going via a function that clips ... about 2x faster
 2017-11-26 16:47:24 +00:00
John Cupitt f9f717a843 add VIPS_ONCE and use it everywhere 
Lovell's idea: save the function call in the most common case
 2017-11-23 08:43:08 +00:00
Lovell Fuller cef897ece8 ~20% speedup for sRGB to scRGB pixel conversion 
by checking GOnce status with branch expectation
 2017-11-23 07:36:19 +00:00
Alistair Thomas 2917c73404 Update GObject introspection annotations for libvips/colour directory 2017-09-30 19:29:17 +01:00
John Cupitt bc0bde85cb remove a couple of statics 
g_once() is fast enough
 2016-10-11 14:12:45 +01:00
John Cupitt 61d2aa6586 formatting 2016-03-10 08:53:54 +00:00
Lovell Fuller a40397c438 Build LAB to sRGB tables only when first needed 
Reduces libvips start-up time by ~20ms
 2016-03-09 19:20:57 +00:00
Lovell Fuller 90c1fb9a94 Use gcc/clang isnan and isinf builtin functions where available. 
These are used heavily in the building of look-up tables at
start-up time and therefore improve vipsthumbnail perf by ~4%.
 2016-01-20 19:02:14 +00:00
John Cupitt 46259f934f fix description on LabQ2sRGB 
thanks dg1727

see https://github.com/jcupitt/libvips/issues/272
 2015-04-20 13:03:15 +01:00
John Cupitt a0aacad871 much better convert to greyscale 
mix RGB channels as .2, .7, .1 in linear light

see https://github.com/jcupitt/libvips/issues/266
 2015-04-17 11:33:27 +01:00
John Cupitt 0c466b9495 don't use isnormal() to test for crazy FP numbers 
it fails for 0.0 and for subnormal numbers, thanks Murat Korkmazov
 2015-02-04 15:13:11 +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 2fd2fd58f7 fix up gtk-doc 
fix various problems:

- out of date IGNORE in doc/reference/Makefile.am
- name clashes between private .h and public
 2013-06-17 20:16:20 +01:00
Benjamin Gilbert 8cc76a6ba3 Update address for Free Software Foundation 
Also update LGPLv2.1 license text from the copy currently on the GNU
website.
 2013-03-07 00:40:19 -05:00
John Cupitt c341f0d134 add scRGB functions 2012-12-11 15:25:28 +00:00
John Cupitt 1bddb78f6a split sRGB <-> XYZ up 
split sRGB <-> XYZ into sRGB <-> scRGB <-> XYZ so we can support
scRGB as a colourspace
 2012-12-11 13:50:58 +00:00
John Cupitt 77ec00b495 check for NaN etc. in XYZ2sRGB 
we were not checking for Inf, NaN etc. and this could cause array
indexes to go out of range
 2012-12-11 12:28:25 +00:00
John Cupitt 6a1753577d better rounding behaviour for sRGB <-> XYZ 2012-11-06 21:32:13 +00:00
John Cupitt 2ffbcb709c 16-bit sRGB -> XYZ works 2012-11-06 13:30:30 +00:00
John Cupitt cb4965536d added 16-bit sRGB/XYZ conversion 
need to get it working on images though
 2012-11-06 09:35:34 +00:00
John Cupitt e0b3b4157f get ready for a 16-bit path in srgb/xyz 2012-11-05 22:11:15 +00:00
John Cupitt 9b197dbd17 much more accurate sRGB <-> XYZ conversion 2012-11-05 14:13:40 +00:00
John Cupitt 63a06e5f81 faster and more accurate sRGB <-> XYZ 
just use one table, since all colour channels are the same now
have more points in the float -> int direction, fewer in int -> float
faster out of range detection
 2012-11-01 08:53:54 +00:00
John Cupitt 6e1e3d4be1 better cache trace, small fixes 2012-10-29 17:19:15 +00:00
John Cupitt 52a188c3c5 new icc stuff now works 2012-09-26 14:53:14 +01:00
John Cupitt f8dddf23a9 remove disp stuff, just sRGB now 
all the old monitor calibration stuff is gone, we only support sRGB now

im_Lab2disp() etc. have become vips_Lab2sRGB() etc.

compatibility macros keep old code compiling
 2012-09-24 11:23:32 +01:00
John Cupitt 2ce7bc9618 started moving disp funcs 2012-09-21 14:47:50 +01:00