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ChangeLog
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10/1/23 started 8.15
- add support for target_clones attribute [lovell]
* use with (un)premultiply for ~10% perf gain on AVX CPUs
* use with XYZ to LAB colourspace conversion for ~10% perf gain on AVX CPUs
- add fast path to extract_band and bandjoin for uchar images [lovell]
- reduce `vips_sharpen` max `sigma` to 10 [lovell]
- inline scRGB to XYZ colourspace conversion, ~2x faster [lovell]
- set "interlaced=1" for interlaced GIF images [kleisauke]
- add @line_art to find_trim [miltoncandelero]
- improve C++ binding [MathemanFlo]
* add `inplace()` / `VImage::new_from_memory_copy()`
* add overloads for `draw_*()` / `VImage::thumbnail_buffer()`
- allow negative line spacing in text [donghuikugou]
- add VIPS_META_BITS_PER_SAMPLE metadata, deprecate the
"palette-bit-depth" and "heif-bitdepth" meta fields [MathemanFlo]
- add "revalidate" to foreign loaders [jcupitt]
- add `premultiplied` option to smartcrop [lovell]
- add "prewitt" and "scharr" edge detectors, "sobel" is more accurate for
non-uchar formats [jcupitt]
- add support for forms in pdfium loader [kleisauke]
- swap built-in profiles with ICC v4 variants [kleisauke]
- remove libgsf dependency in favor of libarchive [kleisauke]
- better chunking for small shrinks [jcupitt]
- use alpha range of 0.0 - 1.0 for scRGB images [DarthSim]
- add support for 16-bit float TIFFs [DarthSim]
- add direct mode to dzsave [jcupitt]
- require C++11 as a minimum standard [kleisauke]
18/9/23 8.14.5
- fix a crash with alpha plus icc_import and icc_export [jcupitt]
- fix a crash in jxlsave [jcupitt]
15/8/23 8.14.4
- fix null-pointer dereference during svgload [kleisauke]
- heif{load,save}: guard against NULL strings [kleisauke]
- pdfiumload: fix rendering of pages with different sizes [DarthSim]
20/7/23 8.14.3
- fix ICC handling of greyscale images with a incompatible profile [kleisauke]
- fix use-after-free during tiff pyramid save [kleisauke]
- fix vips7 PNG load and save when using libspng [jcupitt]
- tiffload: slightly relax tile size sanity check [lovell]
- heifsave: limit dimensions to a maximum edge of 16384 [lovell]
- colourspace: ensure CMYK conversion uses the embedded ICC profile [kleisauke]
- ensure chromatic adaptation during icc_{im,ex}port() [kleisauke]
- improve ICC compatibility check for CMYK images [kleisauke]
21/3/23 8.14.2
- use a private fontmap in vips_text() [jcupitt]
- increase sanity checks on TIFF tile dimensions [lovell]
- ensure compatibility with libheif > 1.14.2 [kleisauke]
- minor doc fixes [jcupitt]
- sanitise dimensions in JPEG-compressed TIFF images [lovell]
- fix target pnm write [ewelot]
- dedupe FITS header write [ewelot]
- fix `strip` parameter in webpsave [jcupitt]
- earlier abort of webpsave on kill [dloebl]
- fix thumbnail of CMYK images with an embedded ICC profile [kleisauke]
- fix ICC handling of RGB images with a monochrome profile [kleisauke]
- ensure ICC transforms keep all precision [kleisauke]
- fix openslideload associated=XXX load [jcupitt]
- fix compatibility with MSVC [SpaceIm]
9/1/23 8.14.1
- add vips_thread_isworker() compatibility function [remicollet]
- add vips_semaphore_down_timeout() [kleisauke]
- idle threads are removed after 15s [kleisauke]
- fix version number in gtk-doc index [kleisauke]
- save mono fits images as NAXIS=2 [ewelot]
- fix jpeg `autorotate` for orientation 3 [zhifengzhuang]
22/12/22 8.14.0
- remove autotools
- remove various obsolete scripts
- remove benchmark
- `jp2ksave` defaults to chroma subsample off, and jp2 write
- don't minimise `vips_sink_screen()` input after expose ... improves
caching during interactive use
- require libjxl 0.6+
- add `interlace` option to GIF save [dloebl]
- magick load sets `magick-format` metadata [aksdb]
- add `.pnm` save [ewelot]
- threaded tiff jp2k and jpeg decompress
- improve speed and efficiency of animated WebP write [dloebl]
- add `rgb` mode to openslideload
- new thread recycler
- threadpools size dynamically with load
- operations can hint threadpool size
- faster `dzsave`
- support for N-colour ICC profiles
- add bash completions for `vips`
- fits load and allows many more bands
- fits write doesn't duplicate header fields
- add `wrap` to `vips_text()`
- GIF load supports truncated frames [tlsa]
- EXIF support for PNG load and save
- expose location of interest when using attention based cropping [ejoebstl]
- deprecate gifsave `reoptimise`, add `reuse`
- add `encoder` to heifsave [dloebl]
- add `cplusplus` meson build option [jcupitt]
- make arrayjoin much faster with large arrays
9/11/22 started 8.13.4
- missing include in mosaic_fuzzer [ServOKio]
- emit "finish" at the end of targetcustom write [lucaskanashiro]
11/10/22 started 8.13.3
- improve rules for 16-bit heifsave [johntrunc]
- improve libspng palette write [kleisauke]
- improve libspng palette sort [DarthSim]
- ensure EXIF has prefix before parsing [lovell]
- fix low bit depth palette spng save [DarthSim]
- fix thumbnail of non-sRGB images with an export profile [kleisauke]
5/9/22 started 8.13.2
- in dzsave, add add missing include directive for errno/EEXIST [kleisauke]
- fix 8 bit palette PNG save [lovell]
- fix null string in buffer print [pclewis]
- revise caching of seq mode loaders [jcupitt]
- reduce latency on dzsave kill [kleisauke]
- improve text too large check [kleisauke]
- fix subifd writing for small images [ruven]
- name ICC profiles in spngsave [lovell]
24/7/22 started 8.13.1
- fix im7 feature detection in meson
- add a summary table at the end of configure in meson
- fix libpng fallback when spng is disabled in meson
- add "unlimited" to jpegload
- better 0 detection in unpremultiply
- fix low bitdepth spng save [jeffska]
- fix PNG low bitdepth save of high bitdepth images
- add support for libjxl 0.7 [kleisauke]
- improve compatibility with older libgsf versions [kleisauke]
21/11/21 started 8.13
- configure fails for requested but unmet dependencies [remicollet]
- add support for another quantiser [DarthSim]
- add "extend", "background" and "premultiplied" to vips_mapim() to fix edge
antialiasing [GavinJoyce]
- add support for HDR HEIC and AVIF images
- add vips_spngsave()
- jpeg2000 load left-justifies bitdepth
- add "password" option to pdfload, fix byte ordering of "background"
- add vips_operation_block_set(), vips_block_untrusted_set()
- improve the pixel rng
- new meson build system [tintou]
- improve introspection annotations [tintou]
- add "unlimited" to heifload [lovell]
- add support for regions in C++ API [shado23]
- add "maxerror" to gifsave [dloebl]
- update libnsgif API [tlsa]
- deprecate "properties" option to dzsave (now always on)
- add vips_dzsave_buffer()
- always set the min stack size for pthreads, if we can
- add "fail-on" to thumbnail
- add "gap" option to vips_reduce[hv]() and vips_resize() [kleisauke]
- add "ceil" option to vips_shrink() [kleisauke]
- quality improvements for image resizing [kleisauke]
- add vips_source_new_from_target()
- add vips_target_seek(), vips_target_read(), vips_target_new_temp()
- add vips_tiffsave_target()
- add vips_target_end(), deprecate vips_target_finish()
- add "mixed" to webpsave [dloebl]
- add support for ICC profiles and linear encoding to JXL load and save [f1ac]
- add "reoptimise" to gifsave [dloebl]
- add "bitdepth" to magicksave [dloebl]
- change default PNG filter to "none" [lovell]
26/11/21 started 8.12.3
- better arg checking for vips_hist_find_ndim() [travisbell]
- fix thumbnail with CMYK output [AdamGaskins]
- fix size_t / ssize_t confusion [flga]
- fix jxl compatibility break [lovell]
26/11/21 started 8.12.2
- make exif resuint optional and default to inch
- win: don't set create time on inappropriate file descriptors [lovell]
- fall back to magicksave for gif if cgif is not present [erik-frontify]
- fix a crash with 0 length vectors
- change default frame delay for GIFs from 1s to 0.1s
- remove stray trailing comma from iiif3 dirnames [whalehub]
- fix TTF load [chregu]
- revise GIF save alpha threshold [jfcalvo]
- raise libpng pixel size limit from 1m to 10m pixels [jskrzypek]
- fix gif save change detector [TheEssem]
- fix load from pipe with variable size reads
21/11/21 started 8.12.1
- fix insert [chregu]
14/6/21 started 8.12
- all tools support `--version`
- add vips_svgload_string() convenience function
- fix thumbnail with small image plus crop plus no upsize [Andrewsville]
- rename speed / reduction-effort / etc. params as "effort"
- add gifsave [lovell]
- arrayjoin minimises inputs during sequential processing, saving a lot of
memory and file descriptors
- add vips_image_get_format_max()
- flatten handles out of range alpha and max_alpha correctly
- don't use atexit for cleanup, it's too unreliable
- tiff writer loops for the whole image rather than per page [LionelArn2]
- fix VipsSource with named pipes [vibbix]
- added restart_interval option to jpegsave [manthey]
- add IIIF3 support to dzsave [martimpassos]
- add atan2 to math2 [indus]
- improve buffer and target save file format selection
- added VipsForeignPpmFormat, format arg to ppm savers
- add fail-on to give better control over loader error sensitivity
- add hyperbolic functions sinh, cosh, tanh, asinh, acosh, atanh [hroskes]
- add untiled jp2k load
- "insert" will minimise in seq mode
- better EXIF string handling [lovell]
16/8/21 started 8.11.4
- fix off-by-one error in new rank fast path
- add "unlimited" flag to png load [joshuamsager]
- improve filtering of .v enums [lovell]
- better logic to prevent shrink to nothing in thumbnail [kleisauke]
14/7/21 started 8.11.3
- build threadpool later [kleisauke]
- add jxlsave prototypes [adil-benameur]
- limit text chunks in PNGs [randy408]
15/6/20 started 8.11.2
- better libdir guessing [remi]
- fix tiff pyramid creation with jp2k compression (was broken by 8.11.1)
- don't load modules if we're built without modules
18/6/21 started 8.11.1
- add more example code to C docs
- update libtool support in configure.ac
- more startup info if VIPS_INFO is set
- command-line programs set glib prgname (no longer set for you by VIPS_INIT)
- enable strip chopping for TIFF read [DavidStorm]
- disable modules by default for static builds [kleisauke]
- fix jpeg tiff pyramid save
14/8/20 started 8.11
- add vips_jpegload_source() and vips_svgload_source() to public C API
- integrate doxygen in build system to generate C++ API docs
- improve C++ API doc comments
- add VipsInterpolate and guint64 support to C++ API
- add VImage::new_from_memory_steal [Zeranoe]
- vipsthumbnail supports stdin / stdout thumbnailing
- have a lock just for pdfium [DarthSim]
- get pdfium load building again [Projkt-James]
- add _source load support for pdfium
- add "seed" param to perlin, worley and gaussnoise
- add vips_source_g_input_stream_new() to load images from a GInputStream
- add openslideload_source(), vipsload_source(), vipssave_target()
- add hist path to rank for large windows on uchar images
- better 8/16-bit choice for pngsave
- avoid NaN in mapim [afontenot]
- hist_find outputs a double histogram for large images [erdmann]
- fix ref leaks in mosaicing package
- run libvips leak test in CI
- add vips_fitsload_source(), vips_niftiload_source()
- png and gif load note background colour as metadata [781545872]
- add vips_image_[set|get]_array_double()
- add GIF load with libnsgif
- add jp2kload, jp2ksave
- add jp2k compression to tiff load and save
- add JPEG-XL load and save
- add black_point_compensation flag for icc transforms
- add "rgba" flag to vips_text() to enable full colour text rendering
- move openslide, libheif, poppler and magick to loadable modules [kleisauke]
- better detection of invalid ICC profiles, better fallback paths
- add "premultiply" flag to tiffsave
- new threading model has a single threadpool shared by all
pipelines [kleisauke]
30/4/21 start 8.10.7
- better vips7 PNG load compatibility [SkyDiverCool]
- fix load of large PPM images from a pipe [ewelot]
22/12/20 start 8.10.6
- don't seek on bad file descriptors [kleisauke]
- check for null memory sources [kleisauke]
- improve ppmload, fixing a couple of small bugs
- improve EOF detection in jpegload [bozaro]
- improve error detection in spngload [randy408]
- fix includes of glib headers in C++ [lovell]
- fix build with more modern librsvg [lovell]
- fix a possible segv with very wide images [f1ac]
- fix issue thumbnailing RGBA images in linear mode [jjonesrs]
- improve vipsthumbnail profile handling
- fix tiff deflate predictor setting [Adios]
- fix vector path for composite on i386 [kleisauke]
18/12/20 started 8.10.5
- fix potential /0 in animated webp load [lovell]
14/12/20 started 8.10.4
- fix spng detection
18/10/20 started 8.10.3
- relax heic is_a rules [hisham]
- fix vips7 webp load [barryspearce]
- fix out of bounds exif read in heifload
- fix out of bounds read in tiffload
- fix tiffsave region shrink mode [imgifty]
- add missing flushes on write to target [harukizaemon]
- hide info messages you could get with some older glibs [kleisauke]
- fix --no-strip on dzsave with icc-profiles [altert]
- better GraphicsMagick image write [bfriesen]
- add missing read loops to spng, heif, giflib and ppm load [kleisauke]
- block zero width or height images from imagemagick load [Koen1999]
- check for overflow in gifload height [lovell]
- fix msb_first default in ppm load and save [ewelot]
- force binary mode on win for connection read / write [Alreiber]
- better testing for output to target [barryspearce]
- ppmload_source was missing is_a [ewelot]
- improve webpload rounding and blending behaviour [lovell]
- fix range clip in int32 -> unsigned casts [ewelot]
- fix precision error in clip of float -> int casts [ewelot]
- fix load of HEIC images with 0 length metadata [ddennedy-gpsw]
- revise rounding in reduce [kleisauke]
6/9/20 started 8.10.2
- update magicksave/load profile handling [kelilevi]
- better demand hint rules [kaas3000]
- fix tiff thumbnail from buffer and source [vansante]
- in jpegsave, don't set JFIF resolution if we set EXIF resolution
- bump minimum libheif version to 1.3 [lovell]
- dzsave in iiif mode could set info.json dimensions off by one [Linden6]
- pdfload allows dpi and scale to both be set [le0daniel]
- allow gaussblur sigma zero, meaning no blur
- better heif signature detection [lovell]
- fix vips_fractsurf() typo [kleisauke]
- better heif EOF detection [lovell]
- fix gir build with g-o-i 1.66+ [László]
- improve seek behaviour on pipes
- add "speed" param to heifsave [lovell]
- fix regression in C path for dilate / erode [kleisauke]
- fix build with libheif save but no load [estepnv]
9/8/20 started 8.10.1
- fix markdown -> xml conversion in doc generation
- remove typedef redefinitions to please old gccs
- fix regression in tiff pyramid thumbnailing [tand826]
- stop 0-length buffer being passed to imagemagick [lovell]
- convert no-profile CMYK to RGB on save [augustocdias]
- ensure SVG loader skips input with chars outside x09-x7F range [lovell]
- better mask sizing in gaussmat [johntrunc]
- fix tiffsave "squash" handling [barryspearce]
- fix jpegload autorotate [chregu]
- only start the background render thread on first use
24/1/20 started 8.10.0
- more conformat IIIF output from dzsave [regisrob]
- add @id to dzsave to set IIIF id property [regisrob]
- add max and min to region shrink [rgluskin]
- allow \ as an escape character in vips_break_token() [akemrir]
- tiffsave has a "depth" param to set max pyr depth
- libtiff LOGLUV images load and save as libvips XYZ
- add gifload_source, csvload_source, csvsave_target, matrixload_source,
matrixsave_source, pdfload_source, heifload_source, heifsave_target,
ppmload_source, ppmsave_target
- revise vipsthumbnail flags
- add VIPS_LEAK env var
- add vips_pipe_read_limit_set(), --vips-pipe-read-limit,
VIPS_PIPE_READ_LIMIT
- revise gifload to fix BACKGROUND and PREVIOUS dispose [alon-ne]
- add subsample_mode, deprecate no_subsample in jpegsave [Elad-Laufer]
- add vips_isdirf()
- add PAGENUMBER support to tiff write [jclavoie-jive]
- add "all" mode to smartcrop
- flood fill could stop half-way for some very complex shapes
- better handling of unaligned reads in multipage tiffs [petoor]
- mark old --delete option to vipsthumbnail as deprecated [UweOhse]
- png save with a bad ICC profile just gives a warning
- add "premultipled" option to vips_affine(), clarified vips_resize()
behaviour with alpha channels
- improve bioformats support with read and write of tiff subifd pyramids
- thumbnail exploits subifd pyramids
- handle all EXIF orientation cases, deprecate
vips_autorot_get_angle() [Elad-Laufer]
- load PNGs with libspng, if possible
- deprecate heifload autorotate -- it's now always on
- revised resize improves accuracy [kleisauke]
- add --vips-config flag to show configuration info
- add "bitdepth" param to tiff save, deprecate "squash" [MathemanFlo]
- tiff load and save now supports 2 and 4 bit data [MathemanFlo]
- pngsave @bitdepth parameter lets you write 1, 2 and 4 bit PNGs
- ppmsave also uses "bitdepth" now, for consistency
- reduce operation cache max to 100
- rework the final bits of vips7 for vips8 [kleisauke]
- --disable-deprecated now works [kleisauke]
- vipsheader allows "stdin" as a filename
- gifload allows gifs with images outside the canvas
- wasm compatibility patches [kleisauke]
- webpsave has a @profile param
24/4/20 started 8.9.3
- better iiif tile naming [IllyaMoskvin]
31/1/19 started 8.9.2
- fix a deadlock with --vips-leak [DarthSim]
- better gifload behaviour for DISPOSAL_UNSPECIFIED [DarthSim]
- ban ppm max_value < 0
- add fuzz corpus to dist
- detect read errors correctly in source_sniff
- fix regression in autorot [malomalo]
- thumbnail on HEIC images could select the thumbnail incorrectly under some
size modes [ZorinArsenij]
20/6/19 started 8.9.1
- don't use the new source loaders for new_from_file or new_from_buffer, it
will break the loader priority system
- fix thumbnail autorot [janko]
- fix a warning with magicksave with no delay array [chregu]
- fix a race in tiled tiff load [kleisauke]
- better imagemagick init [LebronCurry]
- lock for metadata changes [jcupitt]
20/6/19 started 8.9.0
- add vips_image_get/set_array_int()
- disable webp alpha output if all frame fill the canvas and are solid
- support arrays of delays for animated images [deftomat]
- add "unlimited" flag to svgload
- disable webp alpha output if all frames fill the canvas and are solid
- add "compression" option to heifsave [lovell]
- support webp and zstd compression in tiff
- loaders use "minimise" to close input files earlier
- integrate support for oss-fuzz [omira-sch]
- add vips_switch() / vips_case() ... fast many-way ifthenelse
- better const handling for arithmetic operators fixes comparisons against out
of range values
- sharpen restores input colourspace
- handle alpha in heifload / heifsave [meyermarcel]
- add @interpretation and @format to rawload
- nifti load/save uses double for all floating point metadata
- add vips_error_buffer_copy()
- add VipsSource and VipsTarget: a universal IO class for loaders and savers
- jpeg, png, tiff (though not tiffsave), rad, svg, ppm and webp use the
new IO class
- rewritten ppm load/save is faster and uses less memory
- add @no_strip option to dzsave [kalozka1]
- add iiif layout to dzsave
- fix use of resolution-unit metadata on tiff save [kayarre]
- support TIFF CIELAB images with alpha [angelmixu]
- support TIFF with premultiplied alpha in any band
- block metadata changes on shared images [pvdz]
- RGB and sRGB are synonmous
17/9/19 started 8.8.4
- improve compatibility with older imagemagick versions
- remove realpath, since it can fail on systems with grsec
31/8/19 started 8.8.3
- revert sharpen restoring the input colourspace
- xres/yres tiffsave params were in pixels/cm [f--f]
9/7/19 started 8.8.2
- better early shutdown in readers
- don't attempt to save large XMP to jpeg [tnextday]
- always fetch HEIC metadata from the main image [zhoux2016]
- fix loop in malformed ppm [Kyle-Kyle]
- better support for PNGs with long comment names
- fix build with GM
- add locks for pdfium load
- fix build with MSVC
- fix a problem with shinkv tail processing [angelmixu]
- fix a read one byte beyond buffer bug in jpegload
- make GIF parsing less strict
- better feof() handling in GIF load
- clip coding and interpretation on vips image read
- check image bounds for GIF load
- prevent over-pre-shrink in thumbnail [kleisauke]
- fix sharpen with sigma 0.5 [2h4dl]
- sharpen restores input colourspace
- verify bands/format for coded images
- improve data_length handling for jpeg metadata
24/5/19 started 8.8.1
- improve realpath() use on older libc
- better magickload error messages
- more consistent behaviour for page-height metadata
- fix for composite with many small images and some combinations of blend modes
- fix memleak in tiff pyr save to memory [scossu]
- istiff attempts to read the first directory rather than just testing the
magic number [przemyslawpluta]
- much faster ismagick() [jcupitt]
- better behaviour for vips_region_fetch() if request lies partly outside image
- remove 256 band limit in arithmetic.c [erdmann]
- disable Orc if building with CET [lovell]
- fix vipsthumbnail with pyr tiff [kleisauke]
- text autofit could occasionally terminate early [levmorozov]
- fewer warnings on tiffload [chregu]
- vips_resize() breaks aspect ratio and limits shrink to prevent <1px
dimensions [lovell]
21/9/18 started 8.8.0
- much faster smartcrop [lovell]
- add low/high to smartcrop [jcupitt]
- add XMP support to png read/write [jcupitt]
- deprecate thumbnail auto_rotate, add no_rotate [jcupitt]
- implement thumbnail shrink-on-load for openslide images [jcupitt]
- add animated webp support [jcupitt]
- revise vips_cast() to improve behaviour with uint images [erdmann]
- add bandand()/or()/eor() to cplusplus binding [clcaalu]
- implement shrink-on-load for tiff pyramids [jcupitt]
- added vips_image_set_blob_copy() [jcupitt]
- don't stop composite on first non-transparent image [felixbuenemann, GDmac]
- add vips_rect_overlapsrect()
- composite is much faster at positioning subimages
- stop tiff pyr layers if width or height drop to 1 [gvincke]
- dzsave has a new skip_blanks option
- add vips_CMYK2XYZ() and vips_XYZ2CMYK(), plus associated routes
- include cmyk and srgb fallback profiles
- add vips_profile_load() and use it everywhere
- fix race in temp filename creation [lhecker]
- add @reduction_effort param to webpsave [lovell]
- add @option_string param to thumbnail_buffer [kleisauke]
- add XMP, IPCT, ICC, EXIF etc. support to magickload/magicksave
- much lower memuse for gifload
- tilecache speedups
- add vips_heifload(), vips_heifsave()
- add heif thumbnail support to vips_thumbnail()
- free threadpool earlier, reducing mem growth for some long-running
processes [jtorresfabra]
- add vips_region_fetch() / _width() / _height() for language bindings
- vips_text() supports justification
- move vips_image_set_kill() and iskilled() to the public API
- dzsave to szi sets suffix correctly [martinweihrauch]
- dzsave szi writes "scan-properties.xml"
- add vips_image_(get|set)_image()
- add openslideload option to attach all associated images as metadata
- dzsave to szi will write all associated images
- remove old c++ and python interfaces
- vipsthumbnail can thumbnail animated and multipage images
- deprecate webpload @shrink, use @scale instead
31/3/19 started 8.7.5
- better buffer sizing in tiff reader [omira-sch]
4/1/19 started 8.7.4
- magickload with magick6 API did not chain exceptions correctly causing a
memory leak under some conditions [kleisauke]
- zero memory on allocate to prevent write of uninitialized memory under some
error conditions [Balint Varga-Perke]
21/11/18 started 8.7.3
- fix infinite loop for autofit with non-scaleable font
- mapim was not offsetting by window offset [erdmann]
- better rounding for scale [kleisauke]
- fix a memleak in magick6load [kleisauke]
21/11/18 started 8.7.2
- more info output for temp files to help diagnose problems
- vips_text() could set the wrong DPI
- vips_text() leaked in autofit mode
23/9/18 started 8.7.1
- update function list in docs [janko-m]
- test for g_str_to_ascii() [jcupitt]
- fix temp file open on Windows and fallback on linux [lovell]
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
- 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
- magickload now sniffs some file types itself
- update radiance load from upstream
- add region_shrink to tiffsave
- mapim could fail for float index images with coordinates out of int range
- scale openexr alpha to 0 - 255
- close input earlier, when we can [kleisauke]
- add vips_object_get_args() for language bindings [kleisauke]
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 bootstrap.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
_ add vips_foreign_get_suffixes()
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