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ChangeLog
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23/12/17 started 8.7.0
- add magicksave, save image with libMagick [dlemstra]
- remove jpeg thumbnail from EXIF if "jpeg-thumbnail-data" has been removed by
user
- hough_line scales width to 0 - 180, not 0 - 360
- hough_line is 4x faster
- hough_circle is 2x faster
- add vips_sobel() and vips_canny() edge detectors
- add vips_rotate() ... a convenience method for vips_similarity()
- svgload was missing is_a [lovell]
- better header sniffing for small files
- drop incompatible ICC profiles before save
- better hasalpha rules
- create funcs always make MULTIBAND (ie. no alpha)
- use O_TMPFILE, if available [Alexander--]
- set "interlaced=1" for interlaced JPG and PNG images
- add PDFium PDF loader
- add @format option to magickload
- jpegload adds a jpeg-chroma-subsample field with eg. 4:4:4 for no
chrominance subsampling.
- tiffload, pdfload, magickload set VIPS_META_N_PAGES "n-pages" metadata item
- add fontfile option to vips_text() [fangqiao]
- add vips_transpose3d() -- swap major dimensions in a volumetric image
- remove vips7 stuff from default API ... you must now #include it explicitly
- added vips_argument_get_id() to fix derived classes on win32 [angelmixu]
- fix compile with MSVC 2017 [angelmixu]
- pdfload has a option for background
- vips7 C++ interface defaults off
- make members, getters and operators "const" in cpp API
- composite has params for x/y position of sub-images [medakk]
- add Mitchell kernel
- pyramid builders have a choice of 2x2 shrinkers [harukizaemon]
- add `palette` option to pngsave [felixbuenemann]
- add basic nifti load/save support
- support writing string-valued fields via libexif
- paste in the test suite from pyvips
- get EXIF tag names from tag plus ifd [@Nan619]
- escape ASCII control characters in XML
12/3/18 started 8.6.4
- better fitting of fonts with overhanging edges [Adrià]
- revise C++ example [fangqiao]
- strict round down on jpeg shrink on load [davidwood]
- configure test for g++ 7.2 and composite.cpp
- don't Ping in magickload, too unreliable
- ensure WebP can add metadata when compiled with libwebpmux [lovell]
- improve accuracy of vector path convolution [felixbuenemann]
12/2/18 started 8.6.3
- use pkg-config to find libjpeg, if we can
- better clean of output image in vips_image_write() fixes a crash
writing twice to memory
- better rounding behaviour in convolution means we hit the vector path more
often
- fix a crash if a delayed load failed [gsharpsh00ter]
- icc_import attaches the fallback profile if it used it
5/1/18 started 8.6.2
- vips_sink_screen() keeps a ref to the input image ... stops a rare race
- fix a minor accidental ABI break in 8.6.0 -> 8.6.1 [remicollet]
- fix read of plane-separate TIFFs with large strips [remicollet]
- fix a C++ warning in composite.cpp [lovell]
- remove number of images limit in composite
- composite allows 1 mode ... reused for all joins
- fix race in vips_sink() for seq read
10/12/17 started 8.6.1
- fix mmap window new/free cycling
- fix some compiler warnings
- remove the 64-image limit on bandary operations
- better version date [bmwiedemann]
- bump wrapper script version [bgilbert]
- fix a memleak on error during jpeg buffer write [lovell]
- fix misspelling of IPTC as IPCT [lovell]
- seq could be set on small images opened in random-access mode [aferrero2707]
- fix small memleak in dzsave [lovell]
- small speedup for rgb->g [lovell]
15/4/17 started 8.6.0
- supports fits images with leading non-image HDUs, thanks benepo
- add vips_image_new_from_image() and vips_image_new_from_image1() ... make a
constant image
- add new_from_image() to Python as well
- slight change to cpp new_from_image() to match py/C behaviour
- vips_conv(), vips_compass(), vips_convsep() default to FLOAT precision
- add FORCE resize mode to break aspect ratio
- add vips_thumbnail_image()
- better prefix guessing on Windows, thanks tumagonx
- savers support a "page_height" option for multipage save
- rename 'disc' as 'memory' and default off
- add vips_find_trim(), search for non-background areas
- remove lcms1 support, it had bitrotted
- `join` tagged as seq
- support tiffsave_buffer for pyramids, thanks bubba
- thumbnail and vipsthumbnail have an option for rendering intent, thanks
kleisauke
- set file create time on Windows, thanks dlong500
- remove python tests ... moved to pyvips test suite
- vips7 and vips8 python bindings default to off ... use the new pyvips
binding instead
- better svgload: larger output, handle missing width/height, thanks lovell
- add vips_gravity() ... embed, but with direction rather than position
- vips_text() can autofit text to a box, thanks gargsms
- add vips_composite() / vips_composite2(): merge a set of images with
a set of blend modes
- better gobject-introspection annotations, thanks astavale
- vips_image_write() severs all links between images, when it can ... thanks
Warren and Nakilon
- vector path for convolution is more accurate and can handle larger masks
- linear and cubic kernels for reduce are higher quality
- added vips_value_set_blob_free()
- "--size Nx" to vipsthumbnail was broken, thanks jrochkind
- fix build with gcc 7
- add vips_fill_nearest() ... fill pixels with nearest colour
- add VIPS_COMBINE_MIN, a new combining mode for vips_compass()
- vips_hist_find_indexed() now has a @combine parameter
- vips_affine() and vips_similarity() have a "background" parameter
- fix nasty jaggies on the edges of affine output, thanks chregu
- add gif-delay, gif-comment and gif-loop metadata
- add dispose handling to gifload
- dzsave outputs extra right and bottom overlap-only tiles, for closer spec
adherence
- deprecate the "centre" option for vips_resize(): it's now always on
- setting the EXIF data block automatically sets other image tags
- add "extend" option to affine; resize uses it to stop black edges
29/8/17 started 8.5.9
- make --fail stop jpeg read on any libjpeg warning, thanks @mceachen
- don't build enumtypes so often, removing perl as a compile dependency
- fix a crash with heavy use of draw operations from language bindings,
thanks @Nakilon
2/8/17 started 8.5.8
- fix transparency detection in merge, thanks Haida
- define env var VIPS_WARNING to hide warning messages
- shut down dzsave output earlier to help mark-sweep bindings
- fix webp thumbnail upscale, thanks Kleis
9/6/17 started 8.5.7
- better smartcrop
- transform cmyk->rgb automatically on write if there's an embedded profile
and the saver does not support cmyk
- fix DPI mixup in svgload ... we were writing images about 20% too large,
thanks Fosk
19/5/17 started 8.5.6
- tiff read with start page > 0 could break edge tiles or strips
- raise b64 limit to allow for huge profiles (thanks jaume)
- fix error return in blob save (thanks jaume)
- tag vipsprofile as py2 (thanks ioquatix)
- don't cache thumbnail (thanks tomasc)
23/4/17 started 8.5.5
- doc polishing
- more improvements for truncated PNG files, thanks juyunsang
- improve corrupted jpg handling, thanks juyunsang
- fix small test suite issues on os x
23/4/17 started 8.5.4
- don't depend on image width when setting n_lines, thanks kleisauke
7/4/17 started 8.5.3
- more link fixing in docs
- revise cache sizing again to help out of order errors under heavy load, thanks
kleisauke
25/3/17 started 8.5.2
- better behaviour for truncated PNG files, thanks Yury
- missing proto for vips_tiffsave_buffer(), thanks greut
- move some docs from the wiki and blog into core libvips docs
- add support for markdown in docs
25/3/17 started 8.5.1
- init more classes earlier, thanks David
13/10/16 started 8.5.0
- rewritten buffer system is safer and frees memory earlier
- added tiff save to buffer
- added dzsave save to buffer (zip only)
- revise header get/set functions
- better vipsheader behaviour with complex field types
- added vips_image_hasalpha()
- added vips_thumbnail() / vips_thumbnail_buffer()
- webpload/webpsave read and write icc, xmp, exif metadata
- better >4gb detect for zip dzsave output [Felix Bünemann]
- all loaders have a @fail option, meaning fail on first warning, though it
only does anything for jpg and csv
- add vips_image_get_fields() to help bindings
- add tiff multi-page read/write
- add VIPS_META_PAGE_HEIGHT metadata
- IM6/IM7 magickload supports page/n/page-height, all_frames deprecated
- gifload supports n/page-height
- added #defines for VIPS_SONAME, VIPS_LIBRARY_CURRENT, VIPS_LIBRARY_REVISION,
VIPS_LIBRARY_AGE
- better support for bscale / bzero in fits images
- deprecate vips_warn() / vips_info(); use g_warning() / g_info() instead
- vipsthumbnail supports much fancier geometry strings, thanks tomasc
- vips_thumbnail() has new @size option
- fix --vips-cache-max etc.
- add compute reordering, plus some new API to support it:
vips_reorder_margin_hint() and vips_reorder_prepare_many(), thanks
aferrero2707
- kick load operations from cache on read error, thanks gaillard
- fix return from C++ assignment operator overloads (+=, -= etc)
- add @max_slope to vips_hist_local() to implement CLAHE, thanks hunter-87
- vips_gaussnoise() pixels are reproducible on recalc, thanks MvGulik
- max/min sort values by y and x coordinate
- tiff read uses libtiff scanline API if rows-per-strip is large
- vips_region_shrink() knows about alpha, helps dzsave and tiffsave
- use expat, not libxml, for XML load ... removes a required dependency, since
we get expat as part of glib
- new sequential mode infrastructure is faster and more flexible
- add vips_smartcrop(), based on sharp's smartcropper
- vipsthumbnail has a --smartcrop option
- added vips_rot90() etc. convenience functions
- fix vips_resize() bug when hscale and vscale were very different
8/12/16 started 8.4.5
- allow libgsf-1.14.26 to help centos, thanks tdiprima
11/11/16 started 8.4.4
- fix crash in vips.exe arg parsing on Windows, thanks Yury
18/10/16 started 8.4.3
- fix error detection in gif_close, thanks aaron42net
- fix tiny threading memleak
- improve compatibility with very old glib, see #548
27/9/16 started 8.4.2
- small doc improvements
- fix error message for metadata fetch type mismatch
- resolve a race condition in thread shutdown, thanks Lovell
1/5/16 started 8.4
- many more wepsave options [Felix Bünemann]
- added quant_table option to wepsave [Felix Bünemann]
- added @n option to pdfload, thanks andris
- dzsave won't write empty tiles in google mode, thanks bverem, perog,
felixbuenemann
- allow nested [] in CLI args
- restore BandFmt on unpremultiply in vipsthumbnail
- better python detection and build [Felix Bünemann]
- max-alpha defaults to 65535 for RGB16/GREY16
- added radsave_buffer [Henri Chain]
- support tiff orientation tag
- autorotate option for tiff load
- tiffsave converts for jpg if jpg compression is turned on
- tiffsave supports --strip
- conversions to GREY16 could lock
- free pixel buffers on image close as well as thread exit ... stops main
thread buffers clogging up the system
- dzsave can write compressed zips [Felix Bünemann]
- vips_image_write() only refs the input when it has to ... makes it easier to
combine many images in bounded memory
- VImage::write() implementation was missing
- VImage::write() return value changed from void to VImage to help chaining
- added C++ arithmetic assignment overloads, += etc.
- VImage::ifthenelse() with double args was missing =0 on options
- better accuracy for reducev with smarter multiplication
- better quality for vips_resize() with linear/cubic kernels
- pyvips8 can create new metadata
- better upsizing with vips_resize()
- add imagemagick v7 support, thanks sachinwalia2k8
- added vips_worley(), vips_perlin() noise generators
- added vips_convf(), vips_convi(), vips_convasep(), vips_conva() ...
im_conv*() functions rewritten as classes
- vips_convsep() calls vips_convasep() for the approximate case
- new fixed-point vector path for convi is up to about 2x faster
- gif loader can make 1, 2, 3, or 4 bands depending on file contents
- support --strip for pngsave
- add svgz support [Felix Bünemann]
- rename boostrap.sh -> autogen.sh to help snapcraft
- support unicode filenames on Windows
- added VIPS_ROUND as well as VIPS_RINT
- resize/reduce*/shrink*/affine now round output size to nearest rather than
rounding down, thanks ioquatix
- better support for tile overlaps in google maps mode in dzsave
- dzsave puts vips-properties.xml in the main dir for gm and zoomify layouts
- resize and reduce have @centre option for centre convention downsampling
- vipsthumbnail uses centre convention to better match imagemagick
19/8/16 started 8.3.4
- better transparency handling in gifload, thanks diegocsandrim
30/7/16 started 8.3.3
- fix performance regression in 8.3.2, thanks Lovell
- yet more robust vips file reading
18/5/16 started 8.3.2
- more robust vips image reading
- more robust tiff read [Matt Richards]
15/4/16 started 8.3.1
- rename vips wrapper script, it was still vips-8.2, thanks Benjamin
- export C++ operator overloads for MSVC linking [Lovell]
- fix magickload @page with GraphicsMagick
- add giflib5 support
- allow resize >1 on one axis, <1 on the other
- vips_resize has an optional @kernel argument
- fix giflib4 detection [felixbuenemann]
29/1/16 started 8.3
- add vips_reduce*() ... a fast path for affine downsize
- vips_resize() uses vips_reduce() with lanczos3
- bicubic is better on 32-bit int images
- add pdfload, svgload, gifload for PDF, SVG and GIF rendering
- vipsthumbnail knows about pdfload and svgload
- added @page param to magickload
- matload is more specific (thanks bithive)
- lower mem use for progressive jpg decode
- sharpen has a new @sigma param, @radius is deprecated
- sharpen allows a much greater range of parameters
- sharpen defaults now suitable for screen output
- better handling of deprecated args in python
- much better handling of arrayimage command-line args
- faster hist_find (Lovell Fuller)
- webpload has a @shrink parameter for shrink-on-load
- vipsthumbnail knows about webp shrink-on-load
- better behaviour for vips_cast() shift of non-int types (thanks apacheark)
- python .bandrank() now works like .bandjoin()
- vipsthumbnail --interpolator and --sharpen switches are deprecated
- switches to disable PPM, Rad and Analyze support
- added VIPS_COUNT_PIXELS(), overcomputation tracking
- @out_format in vips_system() can contain [options]
- webpsave_buffer no longer ignores @lossless, thanks aaron42net
- float tiff tagged as scRGB to match photoshop convention, thanks Murat
- better jpeg autorot, thanks otto
24/3/16 started 8.2.4
- fix nohalo and vsqbs interpolators, thanks Rafael
27/1/16 started 8.2.3
- fix a crash with SPARC byte-order labq vips images
- fix parsing of filenames containing brackets, thanks shilpi230
- fix hist_entropy (lovell)
- small fixes to radiance load
12/1/16 started 8.2.2
- changes to ease compiling C++ binding with MSVC [Lovell Fuller]
- reorder file tests to put slow loaders last
- ifthenelse needs less C stack during eval
- better rounding in bilinear interpolator
- fix to "make check" in non-C locales [felixbuenemann]
- use compiler builtins isnan, isinf, fabs, fmin, fmax, ceil, floor when
possible [Lovell Fuller]
- tune vips_shrinkh(), 30% faster [Lovell Fuller]
- remove SEQ hint from vips_subsample(), fixes cli performance [erdmann]
- fix double free on attach ICC profile from file in tiff write [erdmann]
- use g_assert_not_reached()
- better vips-from-C docs
- remove Duff from im_conv() / im_conv_f() for a 25% speedup [Lovell Fuller]
1/1/16 started 8.2.1
- add a compat stub [Benjamin Gilbert]
- python bandjoin is now just an instance function
- small doc improvements
- small vips7 C++ improvement
- remove exception specifications from vips8 C++ interface [Lovell Fuller]
- VImage::get_typeof() now returns GType
7/10/15 started 8.2.0
- added im_bufmagick2vips(), a vips7 wrapper for magick load from buffer
- fetch unset property now returns default value rather than warning
- many more const declarations to help gobject-introspection
- rewritten vips_shrink() is 2x faster, much lower memuse, now handles complex
- only allow [] for filename options
- add memory.h to Python API .. makes tracked highwater visible
- added bandjoin_const to add constant bands to an image
- better alpha handling for tiff write, thanks sadaqatullahn
- better cache sizing for vips_resize()
- sizealike / formatalike / bandsalike elide completely if they can for
a x2 saving in C stack use in many cases
- added vips_mapim() ... resample with an index image, plus test
- try to improve vips_resize() quality a little more
- vips_resize() can do non-square resizes
- dzsave removes tile metadata by default, thanks Benjamin
- jpeg strip option removes a little more, thanks Benjamin
- added vips_image_new_from_memory_copy()
- improve vips_sink_screen() stability under heavy load
- added vips_arrayjoin()
- Python x.bandjoin(y) is now x.ibandjoin(y), sorry
- faster and lower-mem TIFF read
- faster bilinear interpolator
- TIFF loads and saves IMAGEDESCRIPTION
- add --properties flag to tiffsave
- dzsave defaults changed: now writes 256x256 jpegs for non-edge tiles, thanks
Daniel
7/5/15 started 8.1.1
- oop, vips-8.0 wrapper script should be vips-8.1, thanks Danilo
- fix vips7 pathname parsing on windows, thanks Lovell
7/5/15 starteld 8.1.0
- add vips_premultiply(), vips_unpremultiply()
- change the alpha range rules for vips_flatten() to match vips_premultiply()
- vipsthumbnail uses vips_resize() rather than its own code
- vipsthumbnail uses vips_premultiply() for better alpha quality
- added bandand() bandor() bandeor() convenience funcs to Python
- oops, base64 encode could pad by up to two zero bytes
- added VipsRefString as a thing that gi bindings can unpack
- support "with Vips.Image as i:" in Python
- try to support DOS CSV and PPM files on linux
- add vips_byteswap(), remove byteswap option from vips_copy()
- add vips_bandfold()/vips_bandunfold()
- dzsave supports zip output > 4gb, thanks benjamin
- add support for HSV colourspace [Jonas Øgaard]
- skip oversized markers in jpeg write
- jpeg exif tags saved as name rather than title
- can now set any jpeg exif tag, not just modify existing tags
- add vips_hist_entropy()
- vips_log(), vips_log10() are zero-avoiding
- better overlap handling for dzsave, thanks robclouth
- add @spacing option to vips_text()
- tiff loads and saves IPCT and Photoshop data
7/5/15 started 8.0.3
- dzsave and tif pyr write could fail for some image dimensions, thanks Jonas
4/5/15 started 8.0.2
- fix a refcount error in C++ wrapper, thanks huskier
- better C++ api test
- test suite improvements
- remove a couple of stray header decls, thanks benjamin
25/4/15 started 8.0.1
- fix some compiler warnings
- work around a glib bug that can cause segv under load
- add some notes on threading to the docs
- better leak reporting
11/2/15 started 8.0
- remove old doc stuff, lots of doc improvements
- add fliphor(), flipver(), rot90(), rot180(), rot270(), median(), dilate(),
erode() convenience methods to Python and C++
- python: use [] to index and slice image bands, use () to get a point
- c++: use [] to band index, () returns a vector<double>
- add shift option to cast
- sRGB2scRGB and scRGB2sRGB scale 16-bit alpha to and from 8-bit
- add magickload_buffer() [mcuelenaere]
- add vips_foreign_is_a_buffer() [mcuelenaere]
- added test_foreign.py, plus more test images
- added vips_region_shrink(), fast x2 shrinker
- rewritten tiff writer is about 3 - 4x faster at making pyramids
- jpg, magick, png, tiff readers now use only 1 fd per input image
- added vips_info_set(), vips_progress_set(), vips_profile_set() ... bindings
can now support all the vips command-line options if they wish
- better conversion to greyscale, thanks bkw
- add vips_image_copy_memory(), improves stability with heavy threading
- jpegsave supports new mozjpeg features [lovell]
- add vips_vipsload(), vips_vipssave() ... why not
26/3/15 started 7.42.4
- im_maxpos_avg() avoids NaN
- small tiffsave doc improvements
- better thresholding for tiffsave "squash" mode
- add @miniswhite mode to tiffsave
6/2/15 started 7.42.3
- bump version for back-compat ABI change
- added vips_image_memory(), an alias for vips_image_new_memory()
- improvements to configure for python
- remove --disable-cxx configure flag
- python imageize preserves interpretation
- fix dzsave as a target format
30/12/14 started 7.42.2
- C++ required output params were broken, thanks Lovell
- remove VImage::scale() to get scale from header, it clashed with the
VipsScale operator, thanks Lovell
- allow c++ set enum from string
- display param default and range in usage
- better docs
- more tests
- renamed VIPS_FOREIGN_DZ_DEPTH_1 as VIPS_FOREIGN_DZ_DEPTH_ONE etc. to help
bindings
- vipsthumbnail will return an error code if one or more conversions failed
- disable chroma subsample in jpeg-tiff if Q >= 90
- try to handle tiffs with old-style 8-bit colormaps
- rename vipsthumbnail -o as -f, -o stays as a hidden flag
- fix some small leaks
- faster openslide load, thanks Benjamin
- add VInterpolate class to cplusplus binding, thanks Lovell
- add lower-level operation cache access
- turn on leak testing in test suite
- don't use isnormal() to test for crazy FP numbers, thanks Murat
- much faster RGB16 -> sRGB path
24/12/14 started 7.42.1
- add gobject-2.0 to Requires: in vips and vips-cpp .pc files
- bump soname
- fix VipsBlob read
- remove "future" dependency, thanks bgilbert
4/11/14 started 7.42.0
- better default resolution for png load
- better pbm (one bit) load, better pfm (float) load/save
- added pbm (one bit) save
- changed vips_gaussblur() parameters, sorry
- add .szi as a dzsave zip synonym
- support tiff XMP metadata
- support @density arg to magickload [Lovell]
- support python3.4 and python2.7 in new python binding
- vips_gaussmat() and vips_logmat() are now int by default, to match
vips_conv(), and use @precision, not @integer
- added --disable-pyvips8 switch to turn off new py binding
- "vips thing" exit status can now be used to test for optional components
25/7/14 started 7.41.0
- start working on --disable-deprecated
- fix pngload with libpng >1.6.1
- add vips_resize()
- return of vips_init(), but just for bindings
- revised type.c to make it more binding-friendly
- add @background arg to save: the colour to flatten against
- add VIPS_ARGUMENT_MODIFY flag ... used for draw_circle etc, meaning an op
which modifies its argument
- rename VIPS_OPERATION_RELATIONAL_NOTEQUAL as VIPS_OPERATION_RELATIONAL_NOTEQ
for consistency
- python vips8 binding
- python vips8 test suite: test_arithmetic.py, test_colour.py,
test_conversion.py
- move zoomify ImageProperties file, now a better match to the offical tool
- rename VIPS_ANGLE_180 as VIPS_ANGLE_D180 etc. to help python
- remove cimg support, we have a gmic plugin now instead
- add support for vips8 plugins
- added "autorotate" option to jpeg load
- added autorot operator
- added @filter option to pngsave (Lovell)
- C++ vips8 binding
27/10/14 started 7.40.12
- better tiff detection (Lovell)
- fix memleak in sharpen (Lovell)
- fix profile handling in XYZ2scRGB, thanks Lovell
8/10/14 started 7.40.11
- rework extra band handling for colour functions
- set interpretation of matlut output more carefully
8/9/14 started 7.40.10
- icc_import and icc_transform checks the input profile for compatibility
with the image, thanks James
- try to make vips_thread_shutdown() optional
8/9/14 started 7.40.9
- support jfif resunit "none"
- support GRAY as an input and output ICC space
- fix a read loop with setjmp() in png read, if the png file is broken
- fix vipsthumbnail with both input cmyk and output rgb profiles specified
- vipsthumbnail retries with specified input profile if embedded profile is
broken
- add @profile option to pngsave, matching tiff and jpeg
- fix a race in the operation cache [Lovell]
8/9/14 started 7.40.8
- fix configure on rhel6 [Lovell]
- mono <-> rgb converters were not handling extra bands, thanks James
- support jpeg resunit "none"
21/8/14 started 7.40.7
- width and height were swapped in matlab load
- set interpretation more carefully on matlab load
- fix memleak in tilecache [Lovell]
- fix memleak in VipsArray [Lovell]
- fix memleak in webp load from buffer [Lovell]
- fix memleak in png save to buffer [Lovell]
- make out of order read in png and jpg a fatal error
- add thread_shutdown() to C++ (and thereby to python)
12/8/14 started 7.40.6
- more doc fixes
- fix similarity rotate+scale, thanks Topochicho
- fix 16-bit PNG save, thanks John
- fix dzsave date on Windows, thanks John
- fix vipsthumbnail on many-core systems, thanks James
25/7/14 started 7.40.5
- fix a race in im_maxpos_avg()
- limit n_thr on tiny images
- don't exit() on memleak detected, just warn
- add "autocrop" option to openslide load
- argh fix affine, again, there were sometimes black bars with nohalo and the
vips8 interface
- pngsave in interlaced mode makes a copy of the image, so it's always seq
- vipsthumbnail shrinks to 1/2 window_size
- vipsthumbnail has an anti-alias filter between shrink and affine
- vipsthumbnail defaults to bicubic
- better rounding behaviour for fixed-point bicubic reduces noise
- fix pngload with libpng >=1.6.11
- fix colour for openslide read associated
4/7/14 started 7.40.4
- fix vips_rawsave_fd(), thanks aferrero2707
- fix im_point()
- vips_scale() now does round to nearest to avoid rounding errors
- improve im_openout() compat macro
- more vips7 compatibility fixes, thanks steve
- more robust vips_system()
- add webp support to vips7
30/6/14 started 7.40.3
- fix interlaced thumbnails in vipsthumbnail, thanks lovell
- fix use of "header" in benchmark/, thanks David
- fits save now caches the image before write, so it's top-to-bottom
- add --properties argument to dzsave, thanks bgilbert, jhenriksen
25/6/14 started 7.40.2
- dzsave write to zip stops at 4gb, thanks bgilbert
- improve short option name handling, thanks bgilbert
- added --enable-docs configure option to help freebsd
- removed a bash-ism from configure to help freebsd
- don't assume GType fits in an int to help freebsd
24/6/14 started 7.40.1
- revise man.1 pages
- fix vips_guess_prefix()
23/6/14 started 7.40.0
- version bump
- renamed "header" as "vipsheader" and "edvips" as "vipsedit"
21/1/14 started 7.39.0
- auto-decode for (almost) all operations, see vips_image_decode()
- background render thread cleans up and quits neatly
- colourspace has a source_space option
- operations can be tagged as "deprecated"
- redo im_draw_circle(), im_draw_flood(), im_draw_line(), im_draw_mask(),
im_draw_image(), im_draw_rect(), im_draw_point(), im_read_point(),
im_draw_smudge(), im_label_regions() as classes
- better rounding in vips_flatten()
- VipsStatistic operations are sequential
- vipsthumbnail has --rotate auto-rotate option
- removed embedded thumbnail reader from vipsthumbnail: embedded thumbnails
are too unlike the main image
- fix to vipsthumbnail --crop, thanks Alessandro
- add vips_sum()
- add vips_hough base class and vips_hough_line()
- add "mode" param to vips_draw_image()
- add vips_hough_circle()
- reduce default cache size to 1,000 operations
- added "postbuild" signal
- vips_system() now supports many input images and you can change image
argument order
- support 16-bit palette TIFFs, plus palette TIFFs can have an alpha
- libgsf-1 is now an optional dependency
- dzsave can directly write a ZIP file
- add ".vips" as an alternative suffix for vips files
- added vips_tiffload_buffer()
- added vips_image_new_from_buffer(), vips_image_write_to_buffer()
- added vips_object_set_from_string()
- added @container option to dzsave
- support 1/2/4 bit palette tiff images with alpha
- vips_system() now uses g_spawn_command_line_sync()
- added im_tile_cache_random() to help nip2
- added hough_circle() to vips7 C++ API
- added Travis CI config, thanks Lovell
- im_*merge(), im_*mosaic(), im_match*(), im_global_balance*(), im_remosaic(),
im_*mosaic1(), im_*merge1() redone as classes
- better filename tracking for globalbalance
- revised vips8 image load/save API, now simpler and more logical
- operations emit "invalidate" if any of their input images invalidate
- operation cache drops ops on invalidate
- skipahead is back, thanks to a new threadpool tweak
6/3/14 started 7.38.6
- grey ramp minimum was wrong
- vipsthumbnail --crop could fail for very non-square images, thanks
Alessandro
- fix a crash in vips_rawsave(), thanks Andrea
- updated German translation, thanks Chris
- fix coordinate error in affine, thanks ferryfax
24/2/14 started 7.38.5
- jpeg load from buffer could write to input, thanks Lovell
- fix webpload from buffer, thanks Lovell
- vips_sequential() could fail under heavy load
- remove support for seq mode read for operations like extract
13/2/14 started 7.38.4
- --sharpen=none option to vipsthumbnail was broken, thanks ferryfax
- more locking on property create and lookup to help very-threaded systems,
thanks Nick
22/1/14 started 7.38.3
- undeprecate VIPS_MASK_IDEAL_HIGHPASS and friends, ruby-vips was using them,
thanks ahacking
22/1/14 started 7.38.2
- auto RAD decode for affine
- falsecolour was not working for some image types
- foreign memory buffer images did not have the right dhint, broke
command-line falsecolour on sequential images
- support many Radiance readers active at once
- add secret "rgbjpeg" flag to vips_tiffsave() to help IIP
19/1/14 started 7.38.1
- bump soname, thanks benjamin
- better conversion to and from scrgb/xyz for rad (hdr)
- fix --interpolate flag to vipsthumbnail, thanks Lovell
18/1/14 started 7.38.0
- version bump
19/10/13 started 7.37.0
- redone im_rotate_*mask45(), im_gauss_*mask*(), im_log_*mask(), im_dilate(),
im_erode(), im_rank_image(), im_compass(), im_linedet(), im_gradient(),
im_convsep(), im_convsep_f(), im_fastcor(), im_spcor(), im_sharpen()
as classes
- im_gradcor() deprecated
- vips_init() now does some ABI compat checking, though this change requires
an ABI break
- add "interlace" option to vips_jpegsave()
- remove vips_image_copy_fields() and vips_demand_hint() and add
vips_image_pipeline() to do both jobs
- vipsthumbnail allows non-square bounding boxes, thanks seth
- add vips_matrixprint()
- add @point subsample mode to vips_subsample()
- im_contrast_surface() deprecated: it was slower than calling conv a few
times
- radiance load supports sequential read
- rewritten radiance decode is much faster
- add vips_crop(), a synonym for vips_extract_area()
- rename vips_gammacorrect() as vips_gamma(), now takes 1 / exp
- vips_gamma() works for any format
- add --linear mode to vipsthumbnail
- support XYZ as a PCS for vips_icc_import() and vips_icc_export()
- add --strip option to jpegsave
- added vips_gaussblur() convenience function
- added --vips-profile, records and dumps thread timing and memory use info
- added vipsprofile, visualises --vips-profile output
- auto-vectorization-friendly inner loops
- added vips::init() and vips::shutdown() to C++ API
- reuse pixel buffers on sharing to reduce mem cycling
- conv is SMALLTILE, huge mem use saving on wide images
- vipsthumbnail has a --crop option
- remove video4linux1 code, it was useless on all modern linuxes
- redone freq filter builders as classes
- redone im_fwfft(), im_invfft(), im_freqflt(), im_disp_ps(), im_fractsurf(),
im_phasecor() as classes
- vips_colourspace() allows B_W, GREY16, RGB16 as source / target
- added vips_thread_shutdown(), thanks Lovell
- vips_linear() has a uchar output mode
- redone im_cntlines(), im_rank() as classes
- move im_zerox() to deprecated, it wasm't very useful
9/1/14 started 7.36.6
- fix some clang compiler warnings
20/11/13 started 7.36.5
- better cache sizing in unbuffered sequential mode
- allow larger tile_size in dzsave
- remove use of PATH_MAX to help gnu hurd
- fix vips_hist_match()
15/11/13 started 7.36.4
- improve compat with im_init_world()
18/10/13 started 7.36.3
- fix compiler warnings in ubuntu 13.10
- reverse similarity rotation direction to match the convention used
elsewhere in vips
- fix blocked caching of sequential load operations
- fix cache flags
- fix --delete option to vipsthumbnail
10/10/13 started 7.36.2
- better jpeg startup
- rename jpeg bool type to reduce confusion between libraries
3/10/13 started 7.36.1
- fix to help OS X build
3/10/13 started 7.36.0
- version bump
1/7/13 started 7.35.0
- added vips_matrixload() and vips_matrixsave(), load and save vips mat format
- rename image arrays as image matrices ... INTERPRETATION_ARRAY ->
INTERPRETATION_MATRIX etc.
- rewrite im_buildlut(), im_identity*(), im_maplut(), im_falsecolour(),
im_gammacorrect(), im_histgr(), im_histcum(), im_histnorm(), im_heq(),
im_histnD(), im_histindexed(), im_histspec(), im_invertlut(), im_lhisteq(),
im_stdif(), im_project(), im_profile(), im_tone_build*(), im_mpercent*(),
im_ismonotonic() as classes
- vips_hist_local(), vips_stdif() do any number of bands
- thin vips8 wrapper for im_histplot()
- added vips_error_freeze() / vips_error_thaw()
- used freeze() / thaw() to stop file format sniffers logging spurious errors
- vipsthumbnail uses embedded jpg thumbnails if it can
- rename vips_diag() as vips_info(), add --vips-info flag
- deprecate im_hsp()
- added vips_webpload(), vips_webpload_buffer(), vips_webpsave(),
vips_webpsave_buffer(), vips_webpsave_mime()
- tiff reader allows separate planes for strip read
- tiff reader and writer allow many more formats, eg. 32-bit int, complex, etc.
- tiff reader and writer allow any number of bands
- added vips_image_new_matrixv()
- dzsave basename param now called filename, so you can use .dz as a
destination (basename is still there but deprecated)
- new _UNBUFFERED sequential mode saves memory in some important cases
- vips_conv() is a simple wrapper over the old convolution functions
- new optimize_coding param for jpeg write produces optimal Huffman tables,
thanks Lovell
- im_tone_map() and im_tone_analyse() deprecated
- new --band arg to vips_maplut() replaces im_tone_map() functionality
- added vips_similarity(), simple wrapper for vips_affine() that lets you
give a scale and rotate
3/7/13 started 7.34.2
- lower priority for Matlab load to reduce segvs from Mat_Open(), thanks
Michael
- null-terminate libexif strings, thanks Mike
- openslide always outputs solid pixels
28/6/13 started 7.34.1
- fix morphological operators on non-uchar images
- remove any ICC profile when we use vips to go to srgb
7/6/13 started 7.34.0
- version bump
- oops, VImage.PIL_mode_from_vips() failed for CMYK, thanks Alessandro
- fix no-pango build
- add im_vips2dz(): run the deepzoom writer from vips7
- vips_magickload() has an option to read all images in a sequence
- redo im_make_xy(), im_*eye(), im_zone*(), im_sines() as classes
- added vips_pngload_buffer()
- faster --centre option to dzsave, thanks Kacey
12/3/13 started 7.33.0
- vipsthumbnail lets you specify the sharpening mask
- turn off caching for im_copy()/vips_copy(), we use copy to stop sharing, and
it's cheap so caching doesn't help anyway
- auto rshift down to 8 bits on save, if necessary
- im_gaussnoise(), im_copy_file(), im_grid(), im_scale(), im_scaleps(),
im_wrap(), im_rotquad(), im_zoom(), im_subsample(), im_msb(), im_text(),
im_system(), im_system_image()
redone as classes
- add --angle option to dzsave
- another vips_shrink() fix argh
14/5/13 started 7.32.4
- icc import and export could segv on very wide images
- fix centos 5 build, thanks re-boot
16/4/13 started 7.32.3
- rename GETTEXT_PACKAGE as vips7.32 to help Debian (thanks Jay)
- added "persistent" option to tilecache
12/3/13 started 7.32.2
- removed some left-over debugging code from configure.ac
- better handling of args without values, thanks Ruven
- better error messages from vips.c
- fix demand hints so "vips shrink" works again, thanks Jan
- im_jpeg2vips.c builds without jpeglib.h, thanks Alessandro
6/2/13 started 7.32.1
- fix --without-lcms, thanks speckins
- updates to licence, thanks Benjamin
- remove "fred" from dist
- better bootstrap on OS X
22/1/13 started 7.32.0
- tilecache in threaded mode could deadlock if the downstream pixel source
raised an error (thanks Todd)
- fix another dzsave corner-case (thanks Martin)
- neater output for "header"
- added VIPS_META_LOADER: record the loader name
= header displays this loader hint
- vipsthumbnail is better at cache sizing
31/8/12 started 7.31.0
- redone im_Lab2XYZ(), im_XYZ2Lab(), im_Lab2LCh(), im_LCh2Lab(), im_UCS2LCh,
im_LCh2UCS(), im_XYZ2Yxy(), im_Yxy2XYZ(), im_float2rad(), im_rad2float(),
im_Lab2LabQ(), im_LabQ2Lab(), im_Lab2LabS(), im_LabS2Lab(), im_LabQ2LabS(),
im_LabS2LabQ(), im_LabQ2disp(), im_XYZ2disp(), im_disp2XYZ(),
im_icc_import*(), im_icc_export*(), im_icc_transform*(), im_dE_fromLab(),
im_dECMC_fromLab(), im_dE00_from_Lab(), im_icc_ac2rc() as classes
- added vips_colourspace(), vips_colourspace_issupported(), replaces all
derived conversions
- faster and more accurate sRGB <-> XYZ conversion
- support 16-bit sRGB import and export
- rename UCS colourspace as CMC
- dzsave can write zoomify and google maps layout as well
- tilecache supports threaded access, so openslide read now threads
- openslide2vips gets underlying tile size from openslide
- embed has 'background' option
- dzsave --layout google has a @background option
- dzsave has a --depth option
- update for new glib threading API
- remove no threads option, glib no longer support it
- better --help output for vips driver prog
- vipsthumbnail -o allows absolute file names
- much better exif handling for jpg images (thanks Gary)
- preserve jpeg app13 (photoshop ipct)
- vips_max() / _min() track the top n maxima / minima
- deprecate im_maxpos_avg(): too specialised to be worth maintaining
- deprecate im_linreg(): easily done by combining other operators
- deprecate im_point(): easily done by combining other operators
- add binary complex operations, with cross_phase as the only one so far
- added vips_bandbool(), with vips_bandand(), _bandor(), _bandeor() as
convenience functions
- added scRGB colourspace, linear light float space with sRGB primaries
- all interpolators use corner convention ... we had round-to-nearest in
several of them before, causing a range of annoying problems
- redone im_affine*() as a class
- added input space displacement to affine
- VipsArea is threadsafe
- dzsave has a --centre option
31/12/12 started 7.30.8
- png icc profile write was broken
31/12/12 started 7.30.7
- better option parsing for "vips", thanks Haida
- small fixes to help OS X
- backported threaded tile cache from next version, im_tile_cache() now
uses it to prevent a deadlock, see comment there
14/11/12 started 7.30.6
- capture tiff warnings earlier
14/11/12 started 7.30.5
- fix libtool version mess up (thanks Benjamin)
2/10/12 started 7.30.4
- remove options from format string in .dzi (thanks Martin)
- vipsCC.pc required the wrong version of vips (thanks Alessandro)
- larger max tile size for dzsave
- linecache is 50% larger to leave some slop room
13/9/12 started 7.30.3
- linecache sized itself too large
- fix a compile failure if libtiff was not found (thanks Martin)
- dzsave did not work for images with an odd number of scanlines
(thanks Martin)
4/9/12 started 7.30.2
- sequential stops all threads on error
- sequential delays ahead threads rather than blocking them completely
6/8/12 started 7.30.1
- fixes to dzsave: shrink down to a 1x1 pixel tile, round image size up on
shrink, write a .dzi file with the pyramid params, default tile size and
overlap now matches the openslide writer
- wrap VipsInterpolate for C++
- so affinei and affinei_all appear in Python
- be more cautious enabling YCbCr mode in tiff write
- add "DEPRECATED" flag to arguments
- jpeg load/save note and use the preferred resolution unit
- better error msgs for enum args
- fix compiler warnings in production build (thanks Dmitry)
- fix spurious warnings about exif updates
- VipsSequential has an integrated cache and stalls out of order threads
- add a line cache ... sizes up dynamically with request size
- tilecache / linecache use a hash table not a linear list
20/7/12 started 7.30.0
- support "rs" mode in vips7
- add --vips-version cmdline arg
- fix --without-tiff / exr / jpeg / png / magick
- add --vips-fatal flag
19/3/12 started 7.29.0
- sanity-check PNG read geometry
- nearest-neighbor interpolation rounds coordinates to nearest instead of
rounding down (thanks Nicolas)
- add dzsave, save in deep zoom format
- rework im_shrink() as a class
- remove im_rightshift_size(), just a convenience function now
- vipsthumbnail no longer removes profiles by default
- much more gentle sharpening in thumbnails
- added "minimise" signal, used by tilecache to drop
- add :seq support to im_tiff2vips(), im_jpeg2vips() ... helps ruby-vips
- better thread safety for vips8 operation dispatch
- better thread safety for upstream / downstream image linking
- added "rs" open mode, removed "rd"
- added vips_operation_get_flags() ... system for attaching sets of flags to
operations
- added VIPS_OPERATION_SEQUENTIAL flag
- vips8 command-line interface uses this to turn sequential mode on
automatically when possible
- better handling of input files in vips7 command-line interface
- sequential can skip ahead, so extract / insert are now seq
16/7/12 started 7.28.10
- wopconst was broken
- vips_sign() was broken
- png save compression range was wrong
- more/moreeq was wrong
- vips7 ppm save with options was broken
- don't cache write operations
18/6/12 started 7.28.9
- slightly more memory debugging output
- remove references to the static bicubic interpolator from the docs
- fix temp file handling on Windows --- was breaking for non-vips files
over 100mb
- better support for using images from multiple threads
18/6/12 started 7.28.8