NEWS is no longer needed
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John Cupitt
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NEWS
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NEWS
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VIPS changed from 7.10 to 7.12 (not exhaustive, see ChangeLog for details)
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Non-backwards compatible changes
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================================
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- IMAGE->Hist is deprecated, use im_history_get() instead
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- im_append_Hist() removed
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- IMAGE->Bbits is deprecated (now ignored)
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- im_region_local() replaced by im_region_buffer()
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VIPS enhancements
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=================
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- new backwards and forwards compatible VIPS file format: it has a new
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metadata system that efficiently shares and propogates ICC profiles,
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EXIF data, etc. & whatever
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- speed ups: new pixel buffer cache saves and reuses computations, uses liboil
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where possible for a small speedup
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- SMP scaling: simplified lock system improves SMP scaling, double-buffered
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image writes overlap computation
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- lower mem use: new mmap window cache shares file mappings, history buffers
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share and reuse image history metadata
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- built-in support for new image formats: OpenEXR, Analyze7, CSV
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- RGB16 and GREY16 image hints
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- uses GOption for much better command-line argument handling
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- better C++ binding: namespaces, VError derives from std::exception, image
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and number vector constants
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- python binding
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- gcc sentinel attributes added
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- added GValue as an arg type
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- added im_benchmark() and friends for testing
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- new functions:
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im_analyze2vips(), im_benchmark*(), im_buildlut(),
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im_concurrency_get/set(), im_contrast_surface(),
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im_contrast_surface_raw(), im_copy_from(), im_copy_morph(),
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im_cp_desc_array(), im_cp_descv(), im_extract_areabands(),
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im_flood_blob_copy(), im_get_option_group(), im_grid(),
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im_header_exists(), im_header_map(), im_history_get(),
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im_invalidate(), im_isscalar(), im_lineset(), im_linreg(),
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im_meta*(), im_msb(), im_norm_dmask(), im_project(),
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im_raw2vips(), IM_REGION_ADDR_TOPLEFT(), im_tile_cache(),
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im_video_test()
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VIPS changed from 7.8 to 7.10 (not exhaustive, see ChangeLog for details)
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Non-backwards compatible changes
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================================
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- no longer generates vips-config script, instead it makes .pc files for
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pkg-config ... replace any "vips-config" with "pkg-config vips-7.10"
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- origin hint semantics changed ... it now records the position in the output
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image of the origin of the input image
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- all float to int casts on pixel values are now floor() rather than rint(),
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for consistency with C casting semantics
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VIPS enhancements
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=================
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- nip reworked for gtk+-2.4, now called nip2
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- now based on glib, so VIPS no longer has it's own thread, plugin and data
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structure libraries
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- i18n support, although not quite complete yet
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- new error message API to make i18n possible (compatibility macros mean the
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old API still works)
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- new 'start up VIPS' call, im_init_world(), sets up i18n and threads
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(optional to call it, but i18n won't fully work unless you do)
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- C programs now just need "#include <vips/vips.h>", no other includes
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required
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- wraps the Pango font rendering library, see im_text()
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- new function flag: NOCACHE ... means the result of the call should not be
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cached, useful for video grab functions and paintbox functions
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- im_embed() now supports a wider range of embedding styles, including a fast
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edge stretch
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- all area operations use the new embed style to expand their input rather
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than their output, so there are no more black borders on filtered images
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- other new functions: im_render(), im_cache(), im_extract_bands(),
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im_copy_swap(), im_rint(), im_make_xy(), im_init_world(), im_error(),
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im_warn(), im_diag(), im_rank_image(), im_replicate()
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- many fixes and improvements to old funcs
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- configure and portability improvements
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Bug fixes
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=========
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- all serious bug fixes got back-ported to 7.8, I think
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VIPS changes from 7.6 to 7.8 (again, not exhaustive, see ChangeLog for details)
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Non-backwards compatible changes
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================================
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- output format options specified in filenames: new prototypes for load and
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save tiff and jpeg
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- C++ API name changes ... error => VError
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- include path change
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- C includes <vips/vips.h>
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- C++ includes <vips/vipscpp.h>
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- im_extract*() numbers bands from zero, not from 1 ... also other funcs which
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refer to bands (eg. im_lrmosaic() etc.)
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- mosaic funcs have extra max blend width parameter
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VIPS enhancements
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=================
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- rewritten and much fancier ip (see separate docs), now called nip ... old ip
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(slightly fixed) still there
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- mmap windows remove 2GB image size limit
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- images have an origin hint field
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- icc transforms supported via wrapping of Little CMS
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- much, much faster Fourier transforms via wrapping of libfwfft
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- ppm/pgm/pbm read/write
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- C++ API enhancements: new constructors, more operator equivalences
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- new colourspace: Yxy
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- support for D50 colour temperature images
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- new functions: im_image(), im_system(), im_version*(), im_blend(),
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im_copy_set(), im_flood_blob(), im_icc_*(), im_open_local_array(),
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im_header_*(), im_sign(), im_ceil(), im_floor(), im_remainderconst*(),
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im_print(), im_guess_prefix(), im_remosaic(), im_invertlut(), Yxy funcs,
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color temperature funcs, im_clip2fmt(), im_blend(), im_lab_morph(),
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im_histnorm(), im_histcum(), im_video_v4l(), im_LabS2Lab(), im_Lab2LabS()
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- new type: IMAGEVEC
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- header is much faster
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- ip/nip split to separate packages
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- better vips2dj
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- better cygwin support, mingw support too
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- Mac OS X and Windows build support
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- new set of sensible #define names, old names can be turned off with
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-DIM_NO_VIPS7_COMPAT
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- many configure improvements
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Bug fixes
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=========
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- speed ups
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- fixes to implicit image format conversions
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- im_zoom() spots integer overflow
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- im_LabS2LabQ() rounding on a/b slightly broken for a/b == 0
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- fixes to refcounting in C++ API
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- mask casts in C++ were broken
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VIPS Changes for 7.4 to 7.6
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Non-backwards compatible changes
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================================
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- im_histplot() has new (and better) rules
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- im_andconst(), im_orconst() and im_eorconst() now take a
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double, not an unsigned char, as their constant argument type
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- im_global_balance_float() renamed as im_global_balancef() to be
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more consistent with other functions
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- im_global_balance_search() removed ... you can do this efficiently
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with an ip macro now
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- new parameter "gamma" to im_global_balance() and
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im_global_balancef() ... sets the gamma for the input device with
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which the images were captured, set to 1.0 for old behaviour
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- im_malloc() now returns void *, not char *
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Bug fixes
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=========
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- tiny memory leak in im_list_remove() fixed
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- oops, the value for sRGB in the header was wrong, now 22
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- missing function descriptor for im_rank_raw()
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- im_dECMC_fromLab() was broken
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- im_erode() and im_dilate() output incorrect error messages
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if mask elements were not one of 0, 128, 255
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- im_rotate_*mask*() functions were not preserving scale and offset
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values
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Package enhancements
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====================
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The whole thing is now GPL, with GNU configure
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ip changes
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==========
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- better display control bar
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- matrix operations now appear in the workspace
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- new UI elements: input options and toggles
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- better LUT optimisation --- arithmetic operations on UCHAR images should be
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much faster
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- new macro language --- same as old one, but faster and much more powerful
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- all standard menus rewritten in new macro language, much nicer!
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- batch operations with Group/Ungroup
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- now uses GDK for drawing in image windows, much better colour handling on
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8/16-bit graphics cards
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- image repaint is now threaded for an about-linear speedup as you add
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more CPUs
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- many interface improvements and polishes
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VIPS enhancements
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=================
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- VIPS now uses POSIX threads (7.4 used Solaris threads) and has been rejigged
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to provide a nice threading API to functions which call the library
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- im_open() now knows about LSB- and MSB- first VIPS images, and
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silently converts them to native order ... it also now ignores case when
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deciding what format to write
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- new parameter type IM_INPUT_REALVEC, a vector of doubles
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- new set of functions with vector constants: im_lintra_vec(),
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im_powtra_vec(), im_expntra_vec(), all relational
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(im_equal_vec(), im_notequal_vec(), etc.), all boolean
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(im_and_vec() etc.)
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- new flag for function descriptors: "IM_FN_PTOP" set for point-to-point
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functions ... makes ip use LUTs for operation
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- im_tiff2vips() now reads and writes 16-bit images, and knows about zip
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(deflate) compression
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- convenience functions im_extract_band() extracts a band from an image;
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im_extract_area() extracts an area
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- im_list_member() tests for list contains object
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- new functions im_write_*mask_name(), im_create_*maskv()
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_ new functions im_remainder() and im_profile()
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- fourier filtering, forward transform, reverse transform, make power spectrum
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all free memory more quickly, making them suitable for very large images
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- new functions im_isMSBfirst() and im_amiMSBfirst() test images
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and this processor for MSB first byte order
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- im_malloc() now prints low-on-memory warnings to stderr with
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im_warning() for easier bug catching
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- D65_X0 updated for latest recommedations, D60, D93,
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D55, D50, A, B, C added
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- minor fixes to the C++ interface to bring it in line with the newer ANSI
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standards
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- more and more comprehensive prototypes in "proto.h" to aid C++ (use of
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"const" etc.)
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- im_and*(), im_or*() and im_eor*() can now work on any
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integer image
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