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Author SHA1 Message Date
Karthik Karanth
8d04dab0db remove unnecessary args in composite2 2018-04-09 13:14:03 +05:30
Karthik Karanth
d06f420763 use vips_embed to position images 2018-04-09 12:57:21 +05:30
John Cupitt
2a82744a10 working at a basic level 
TODO

- more code sharing with pdfload.c, eg.  vips_foreign_load_pdf_is_a_buffer()
  and get_flags etc.
- could share the page layout code too
- make pdf.c with base stuff in?
- what about filename encodings
- test transparency
- new_from_buffer needs doing
 2018-04-08 18:04:06 +01:00
John Cupitt
f3842dcc4b update cpp example 
thanks fangqiao

see https://github.com/jcupitt/libvips/issues/932
 2018-04-08 11:44:15 +01:00
John Cupitt
05456125b6 builds, links and mostly runs 2018-04-07 17:36:52 +01:00
Karthik Karanth
e406015fe8 add args 2018-04-07 13:57:27 +05:30
John Cupitt
56fe608cfb start adding pdfium load 2018-04-06 09:29:45 +01:00
John Cupitt
83d4ee0b0b update find_pdfium for latest packaging 
hey ho ouch
 2018-04-05 12:10:43 +01:00
John Cupitt
67916e8ead Merge branch 'master' into pdfium-experiment 2018-04-05 11:17:48 +01:00
John Cupitt
1e647a2af4 Merge branch '8.6' 2018-04-04 17:46:36 +01:00
John Cupitt
915226db21 oop missing a seek 2018-04-04 17:46:14 +01:00
John Cupitt
5f3bcd88ae Merge branch '8.6' 2018-04-04 17:11:16 +01:00
John Cupitt
632bce3c78 reduce stack use for radsave 
fixes a crash on very low stack libcs like musl
 2018-04-04 16:25:35 +01:00
John Cupitt
aebb8af803 create funcs always make MULTIBAND 
Before, they could make B_W for one-band output. This caused problems
with (for example) two black image bandjoined: the second band then
looked like an alpha to hasalpha() and enabled premultiply/unpremultiply
for operations like affine.

Now, it's always MULTIBAND. This is the generic multiband image type, so
you don't get any unexpected alpha handling.
 2018-04-04 09:22:57 +01:00
John Cupitt
0dd6b095aa more conservative hasalpha 
The result of hasalpha is used to turn on things like
premultiplication, so we should be rather conservative
about when we signal this. We don't want to premultiply
things that should not be premultiplied.

Check Type as well as bands.

See: https://github.com/jcupitt/libvips/issues/918
 2018-04-03 14:36:43 +01:00
John Cupitt
e686614f2c drop incompatible profiles from save 
libpng has started throwing hard errors if the profile does not match
the image -- this can happen all the time with perofiles inherited from
images that have been processed.

Test profiles before save and drop them (with a warning) if they are
incompatible with the image.
 2018-04-01 10:32:48 +01:00
John Cupitt
38f459711b detects pdfium correctly 
and builds without anything else breaking
 2018-03-30 22:17:43 +01:00
John Cupitt
9c2ae52820 start adding pdfium tests 
though they fail with link problems
 2018-03-30 11:59:57 +01:00
John Cupitt
85615a7fbd gtk-doc annotation update 2018-03-29 09:18:36 +01:00
Simon Harris
a14f3acdf5 Adds a first cut for region shrink mode 2018-03-28 21:59:17 +11:00
Simon Harris
5578347c19 dzsave now uses the specified region shrink method 2018-03-28 13:43:54 +11:00
Simon Harris
36076f8294 Adds VipsRegionShrink type 2018-03-28 07:35:49 +11:00
Simon Harris
442f4e55c9 Fix line lengths 2018-03-27 21:27:24 +11:00
Simon Harris
eada4a7731 Adds MEAN and MEDIAN methods for region shrink 2018-03-27 21:15:48 +11:00
John Cupitt
1b78f3044d
Merge pull request #914 from janko-m/mark-addalpha-with-out 
Add "(out)" to "out" parameter in vips_addalpha()
 2018-03-27 08:50:29 +01:00
Janko Marohnić
0e844c8221
Add "(out)" to "out" parameter in vips_addalpha() 2018-03-26 23:30:10 +02:00
John Cupitt
cf36336e8e
Merge pull request #913 from janko-m/remove-mention-of-deprecated-radius 
Remove mention of deprecated radius parameter in vips_sharpen()
 2018-03-25 19:48:19 +01:00
Janko Marohnić
10c72c58d5
Remove mention of deprecated radius parameter in vips_sharpen() 2018-03-25 20:30:42 +02:00
John Cupitt
5176b4a17e better header sniffing for small files 
vips__get_bytes() used to fail if the file was too small for the
allocated buffer, which was a problem for svg, since files can be extremely
small.

This change makes vips__get_bytes() return the number of bytes read, so
the is_a testers can work on files smaller than the max header size.
 2018-03-22 12:08:39 +00:00
John Cupitt
5a1ab5968b move svg_ia_a into the base class 
feels a bit more logical
 2018-03-22 10:43:01 +00:00
John Cupitt
162f541c17
Merge pull request #905 from lovell/svg-is-a 
Add is_a support to SVG file class loader
 2018-03-22 09:48:04 +00:00
Lovell Fuller
63cab9bc62 Add is_a support to SVG file class loader 2018-03-21 16:55:55 +00:00
John Cupitt
fc52754c2a add example compile lines to C docs 
see https://github.com/jcupitt/libvips/issues/909
 2018-03-21 09:21:55 +00:00
John Cupitt
aaac2ad957 more optional mem tracing 2018-03-20 12:40:40 +00:00
John Cupitt
c5bf128e39 add "precision" control to canny 2018-03-18 11:12:06 +00:00
John Cupitt
6d570ef0ff more canny cleanups 2018-03-17 22:42:40 +00:00
John Cupitt
b4181054b2 cleanups ready for merge 2018-03-17 18:13:43 +00:00
John Cupitt
81a7fb92eb oop 2018-03-17 18:12:14 +00:00
John Cupitt
ad13dd2041 add a high-precision path for canny 2018-03-17 18:10:50 +00:00
John Cupitt
3fe9b7abc5 split thresh stuff out of canny 2018-03-16 17:26:06 +00:00
John Cupitt
7328f47333 fix atan2 lut in canny 2018-03-16 16:29:52 +00:00
John Cupitt
ae82877e66 try a LUT for atan2 2018-03-14 17:19:17 +00:00
John Cupitt
754a1e5419 Merge branch 'master' into add-canny 2018-03-14 14:18:39 +00:00
John Cupitt
206f158a77 Merge branch '8.6' 2018-03-12 18:12:56 +00:00
John Cupitt
878c77a035 better handling of some fonts 
fonts with very large overlapping edges copuld clip in `text`, see
https://stackoverflow.com/a/49169747/894763
 2018-03-12 18:11:25 +00:00
John Cupitt
ca5397e1d3 more reliable magick error message 2018-03-11 21:51:04 +00:00
John Cupitt
08dcf29b10 add vips_rotate() 
vips_similarity() was a little hatrd to discover, so add vips_rotate()
as a more obvious name for it
 2018-03-10 18:45:39 +00:00
John Cupitt
5834779ac6 Merge branch 'master' into add-canny 2018-03-10 15:13:49 +00:00
John Cupitt
a1418b8f72 docs 2018-03-09 17:08:38 +00:00
John Cupitt
0a05dd4304 Merge branch '8.6' 2018-03-09 16:37:10 +00:00