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Author SHA1 Message Date
John Cupitt
9db05c30c2 tiny README fixes 2016-05-09 14:06:44 +01:00
John Cupitt
b206ff18cb Merge pull request #442 from felixbuenemann/test-system-webp-on-travis 
Test system webp on Travis CI and fix alpha_q default value
 2016-05-09 13:07:53 +01:00
Felix Bünemann
3b7242f743 Fix webpsave alpha_q default value 2016-05-09 13:08:11 +02:00
Felix Bünemann
4640aab388 Test against system libwebp on Travis CI 
* Dropped custom ppa used only for libwebp backport
* Dropped lossless test from `make check` (not supported in 0.1.3)
 2016-05-09 12:29:23 +02:00
John Cupitt
143593d6a6 comment reformat 2016-05-09 11:07:48 +01:00
John Cupitt
54e5cb04d3 Merge pull request #434 from felixbuenemann/jpeg-quant-table-option 
Add mozjpeg quant_table option to jpegsave
 2016-05-09 10:47:27 +01:00
John Cupitt
bab11cec1d always build cairo.c 2016-05-09 10:44:32 +01:00
John Cupitt
8ed8515c49 Merge pull request #439 from felixbuenemann/fix-minimum-required-poppler-version 
Fix poppler version requirement, add loader check
 2016-05-09 10:17:16 +01:00
John Cupitt
d307e38863 add FIND_LIBWEBP 
some platforms are missing a .pc file for libwebp ... add a FIND_LIBWEBP
macro as a fallback

see https://github.com/jcupitt/libvips/issues/440
 2016-05-09 09:51:05 +01:00
John Cupitt
d568c204a2 Merge pull request #441 from felixbuenemann/fix-threading-and-thumbnail-test-without-install 
Fix threading and thumbnail tests without make install
 2016-05-09 09:09:34 +01:00
Felix Bünemann
8b3bb10b00 Fix test_{threading,thumbnail}.sh without install 
Both scripts were not using the $vips variables required to use vips
from the source directory instead of from the system.
 2016-05-09 00:48:37 +02:00
Felix Bünemann
6418ab2307 Extract shared pdfload/svgload code into cairo.c 2016-05-09 00:16:48 +02:00
Felix Bünemann
bec6b174c9 Fix poppler version requirement, add loader check 
This fixes the poppler-glib version requirement to version 0.16, which
is the lowest version that compiles and works properly with pdfload.

Also added a check for pdfload and enabled testing on Travis CI.
 2016-05-09 00:16:48 +02:00
John Cupitt
38fe936eee Merge remote-tracking branch 'origin/8.3' 2016-05-08 11:09:28 +01:00
John Cupitt
bd79a10453 Merge pull request #436 from felixbuenemann/fix-giflib4-detection 
Fix configure check for giflib4
 2016-05-08 11:03:30 +01:00
John Cupitt
f7a6a02ee8 fix giflib4 detection 
and a problem in giflib4 error handling
 2016-05-08 11:02:21 +01:00
John Cupitt
379b69fda8 note on test suite failure 2016-05-08 10:02:34 +01:00
Felix Bünemann
a342fdbeeb Fix configure check for giflib4 
This uses a combination of the old giflib4 and the new giflib5 checks.
 2016-05-08 03:23:00 +02:00
John Cupitt
b03ad51ae3 oops, fix error reporting from giflib 2016-05-07 21:01:04 +01:00
John Cupitt
948d1103d4 note more webp tests needed 2016-05-07 19:53:00 +01:00
Felix Bünemann
c5fa0e1feb Add mozjpeg quant_table option to jpegsave 
This allows to choose from several predefined quantization tables when
libvips is compiled against mozjpeg 3.0+.
Tuning the quantization table helps to improve file size in the higher
quality range and avoid artefacts in the lower range.
 2016-05-07 03:13:52 +02:00
John Cupitt
ca731e7967 Merge branch 'master' of github.com:jcupitt/libvips 2016-05-05 09:15:19 +01:00
John Cupitt
1366d0af6d note --with-modules flag for IM 2016-05-05 09:14:58 +01:00
John Cupitt
c081f51ffc fix a compiler warning 2016-05-04 13:20:19 +01:00
John Cupitt
37c716be89 more webp doc improvements 2016-05-03 09:36:49 +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
48ef215479 tiny fixups for the webp commit 
just small formatting changes, plus an unneeded var

see

	https://github.com/jcupitt/libvips/pull/430
 2016-05-02 09:55:16 +01:00
John Cupitt
c88b94cb29 Merge pull request #430 from felixbuenemann/use-webp-advanced-encoding-api 
Use WebP Advanced Encoding API and make it tunable
 2016-05-01 19:51:12 +01:00
John Cupitt
02821ae9e3 expose @kernel setting for vips_resize() 
a new optional arg lets you pick the downsizing kernel
 2016-05-01 12:33:49 +01:00
John Cupitt
c2d1de9a26 allow mixed zoom and shrink in resize 
vips_resize() now allows >1 on one axis, <1 on the other ... previously,
although you could have non-square ratios, you couldn't mix zoom and
shrink
 2016-05-01 12:03:13 +01:00
John Cupitt
73080bb4a5 try to improve mozjpeg test 
save LIBS around test, test for ABI not header

see https://github.com/jcupitt/libvips/issues/431
 2016-04-26 10:41:04 +01:00
John Cupitt
d11a7960b7 add support for giflib5 
gifload.c now works with giflib5, and well as giflib4 ... forced by
ubuntu's switch to giflib5 in 16.04

see https://github.com/jcupitt/libvips/issues/407
 2016-04-25 09:29:25 +01:00
Felix Bünemann
27e3198833 Add webp save/load format tests for "make check" 2016-04-24 18:28:53 +02:00
Felix Bünemann
874cc8b31b Restore webpsave libwebp-0.1.3 compatility 
* Add configure check for libwebp >= 0.1.3
* Add custom memory writer using GNOME memory allocation
* Add various ABI checks and warnings for unsupported features:
** smart_subsample and near_lossless require 0.5.0
** lossless requires at least 0.1.99
 2016-04-24 18:28:53 +02:00
Felix Bünemann
0a25f6efca Add alpha_q(uality) webpsave option, fix Q init 
This allows to control the fidelity of the alpha channel by allowing
webp to reduce the number of palette entries from 256 at alpha_q=100
to 2 at alpha_q=0. This is most useful with cutout pictures where
something like alpha_q=30 or around 8 levels is usually sufficient
for smooth outlines.

For some reason webp->Q was intiailized to 80 even though the Q option
and libwebp use 75 by default. This was never used, so it's just to
avoid confusion about what default is used.
 2016-04-24 18:18:40 +02:00
John Cupitt
128480bab6 VipsForeign nickname was wrong 
it was set to "file", strangely

see https://github.com/jcupitt/libvips/issues/429
 2016-04-23 13:29:42 +01:00
Felix Bünemann
c107066c4e Add webpsave near_lossless support, fix Q range 
The near_lossless option allows to enable preprocessing for the lossless
mode. This is a boolean instead of an int, because the amount of
preprocessing is controlled using the Q factor parameter which is
otherwise unused in lossless mode. This allows to re-use the quality
setting in existing tools.
 2016-04-23 02:00:32 +02:00
Felix Bünemann
58a2616f77 New webpsave option smart_subsample 
This enables a high quality RGB to YUV converter in libwebp which
greatly improves the quality of fine details by reducing color bleeding
caused by the 4:2:0 chroma subsampling. This is slower and causes
slightly larger files. See WebPPictureSmartARGBToYUVA in libwebp.
 2016-04-23 01:20:41 +02:00
Felix Bünemann
f834ea39f6 Add lossy compression "preset" option to webpsave 
This allows to tune the lossy webp encoder for certain types of images.
 2016-04-22 23:57:07 +02:00
Felix Bünemann
7f70abd4ba Use advanced WebP Encoding API 
This switch is required to enable encoder configuration.
 2016-04-22 23:57:07 +02:00
John Cupitt
23eaf93867 fix build with graphicsmagick 
GM is still using the old page interface of subimage/subrange, IM has
deprecated that in favour of scene/number_scenes

we were accidentally just supporting the new IM system ... this change
adds support for GM as well, plus a configure test to pick one

see https://github.com/jcupitt/libvips/issues/423
 2016-04-18 15:21:11 +01:00
John Cupitt
f0271f050d note oo stuff 2016-04-18 12:36:55 +01:00
John Cupitt
3517037f1e try and only look for giflib4 
see https://github.com/jcupitt/libvips/issues/407
 2016-04-18 12:34:40 +01:00
John Cupitt
d1e7b78bbd Merge branch 'master' of github.com:jcupitt/libvips 2016-04-17 10:24:18 +01:00
John Cupitt
e66904a74a Merge pull request #424 from lovell/friends-dont-let-friends-break-windows 
Allow MSVC to link CPP overloads introduced in da43a40
 2016-04-17 10:23:10 +01:00
John Cupitt
567ea0c1c2 comment reformat 2016-04-17 10:22:20 +01:00
Lovell Fuller
baa175c4c0 Allow MSVC to link CPP overloads introduced in da43a40 2016-04-15 22:16:29 +01:00
John Cupitt
78c8a8f99f Merge pull request #421 from bgilbert/poppler-version 
Fix required poppler-glib version in AC_MSG_WARN()
 2016-04-15 08:45:50 +01:00
John Cupitt
1e44ab5d39 version bump for 8.3.1 2016-04-15 08:42:36 +01:00
John Cupitt
ab7563dd72 rename vips wrapper script 
it was still vips-8.2, oops, thanks Benjamin
 2016-04-15 08:40:17 +01:00