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diff --git a/externals/gridflow/ChangeLog b/externals/gridflow/ChangeLog
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-/* $Id: ChangeLog,v 1.2 2006-03-15 04:48:08 matju Exp $ */
-
-version 0.8.1 (2006.02.20):
-
- * [ls] now supports wildcards: ? [] * **
- * [#color] has new method: delegate
- * added [regsub], [memstat], [listfind], [sendgui]
- * x11: removed methods: draw,autodraw; added: use_shm,title
- * examples : added markov.pd, bounce.pd, doodle.pd, mechanics.pd
- * [#pack],[#unpack] now default to 2 values
- * new numops: clip+,clip-
- * fix for shared memory bug in [#out x11]
- * added [#out tk]
- * added [#out opengl] (using GLUT, hackishly)
- * [unix_time] behaviour changed. (see manual)
-
-version 0.8.0 (2005.06.06):
-
- * removed support for jMax 2.5 and jMax 4.1
- * added GCC 3.4 support
- * added AMD64 support
- * added support for puredata "datastructure" pointers (aka gpointer)
- * changing the @-prefix for a #-prefix, where the old prefix still works
-   (the old syntax is backwards-compatible,
-    the new syntax is forwards-compatible)
- * 13 object-classes rewritten from Ruby to Pd abstractions
- * merged [@],[@!] -> [#] and added message "op"
- * removed all one-input ops (see next...)
- * new two-input ops: abs- sq- avg hypot sqrt rand
- * [#fold],[#scan]: removed seed arg and right outlet; added msgs "op" and "seed"
- * [#inner],[#convolve] : added msgs "op" and "seed"
- * [#inner],[#convolve] : removed three first args (usually * + 0)
- * [#inner] : removed middle inlet
- * major changes to the bridge API (Ruby<->PureData)
- * project "Linux Devices For Ruby" got merged in, as devices4ruby/
- * source code cleanup
- * internals: split Grid into Grid+GridPtr
- * internals: GridObject no longer manages GridOutlet
- * internals: added classes P,PtrGrid,...
- * internals: beginning to use C++'s Standard Template Library (sometimes)
- * [gridflow] now has "formats" msg (to list available formats)
- * [#store] added msg "op"
- * [#out x11] removed flag "verbose"
- * some spaces may now be omitted in gf-lists. e.g.:
-   ( ( 2 1 ) ( ) ) ( 3 4 ( 5 ) ) can be shortened to: ((2 1) ()) (3 4 (5))
- * new object classes:
-   [display], [#reverse], [#unpack], [#centroid2], [ls], [renamefile], [unix_time],
-   [exec], [plotter_control], [#text_to_image], [#hueshift], [rubyarray]
- * in pd_examples added Alx's epicycloid.pd, scratch_video.pd, threshold.pd
-      and Matju's goop.pd
- * some new/updated help files by Stéphanie Brodeur & Darsha Hewitt
-
-version 0.7.7 (2004.08.24):
-
- * GridFlow runs on MacOS 10.2 with PureData 0.37
- * updated drag_rectangle.pd, nervous_video.pd, fire.pd, color_correction.pd
- * updated feedback_fractal.pd (added morphing)
- * added pd_examples/waves.pd, pd_examples/sand.pd
- * added pd_examples/color_detect.pd (supersedes chroma_key.pd)
- * added pd_examples/spectrogram.pd, pd_examples/photo_pianoroll.pd
- * removed [rtmetro] (obsolete)
- * [@store]: added methods: put_at, reassign
- * [pingpong]: added $1
- * [demux] renamed to [shunt] and extra optional arg added (for initial value)
- * new object classes:
-   [range], [#mouse], [#pack], [#color], [bindpatcher],
-   [#camera], [#fade_lin], [#peephole]
- * videodev: added method "get"
- * [@out quartz] now works properly
- * [@downscale_by] accepts any number of channels
- * [@inner2] removed; instead use [@transpose] with [@inner]
- * videodev: "transfer" message allows to change the queue's length
- * quicktime(hw): added messages "parameter", "framerate", "size"
- * quicktime(hw): fixed encoding bug
- * png: fixed memory leak
- * ./configure --lite disables float32 float64 int64
- * ./configure --verbose prints useless details
- * doc: rewrote installation instructions
- * x11: fixed memory leak in resizing window
- * on MacOS 10 [@out window] now defaults to [@out quartz]
- * doc: added credits section
- 
-version 0.7.6 (2004.03.22):
-
- * GridFlow runs on MacOS 10.2 (only with jMax 2.5)
- * [@out quartz] makes a native MacOS (Cocoa+Quartz) window (warning: very buggy)
- * support for Apple QuickTime movie decoding (format/quicktimeapple.c)
- * file suffix detector is now extensible
- * added: Ruby interface for libUSB (base/usb.c)
- * x11: now emits "keypress" and "keyrelease" messages
- * [@downscale_by] now supports 4 channels (therefore [peephole] does too)
- * fixed bugs in: x11, @draw_image, @import, @export, ...
- * "open x11" now allows any DISPLAY spec
- * now includes the pictures used in the examples
-     (not a separate download anymore)
- * [@out x11 here override_redirect] (override window manager; be careful with this)
- * [pd_netsocket] does like [netsend]/[netreceive] but two-way
-   (warning: not complete yet)
- * support for nested lists in incoming messages
- * new object classes:
-   [delcom_usb]: support for Delcom USB I/O controller
-   [joystick_port]: support for linux joystick drivers
-   [foreach], [rubysprintf], [listflatten]
-   [messageprepend], [messageappend], [@transpose]
-   [@fade], [@centroid]
-   jMax emulation: [listmake], [listlength], [listelement], [listsublist]
-   jMax emulation: [listprepend], [listappend], [listreverse], [oneshot]
-   jMax emulation: [inv+], [inv*]
- * Pd main window: adding GridFlow menu, Ruby/Tcl evaluators (with command-history)
- * added bin/jmax2pd (converts .jmax files to .pd files)
- * ported all .jmax examples to .pd (using jmax2pd) (20 out of 20)
- * support for variable number of inlets/outlets (only with PureData)
-
-version 0.7.5 (2003.09.28):
-
- * type aliases: int32,i32,i; int16,i16,s; uint8,u8,b; float32,f32,f
- * added support for float64 (alias f64, d)
- * added support for int64 (alias i64, l)
- * doc: added number type table
- * @convolve: supports even-sized grids
- * fixed bug: puredata gf clock ran way too fast
- * rewrote the profiler subsystem (and removed bugs)
- * @scale_by: now works with any number of channels
- * renamed samples/ to jmax_examples/
- * Algebraic Properties Descriptions (internal, used for accelerations)
- * @convolve,@outer,@for,@inner,@draw_polygon: much faster
- * quicktime: support for pluggable codecs (eg: dv, divx, rpza, ...)
- * quicktime: fixed more bugs
- * quicktime: major speed increase
- * quicktime: added "colorspace" option
- * videodev: fixed bugs
- * videodev: removed obsolete option "noinit"
- * videodev: added option "colormodel" (especially because of new camera drivers)
- * sdl: added automatic resizing of window
- * png: read support
- * jMax bridge: more stable than ever
- * PureData bridge: *much* more stable than ever
- * Operator1, Operator2 renamed to Numop1, Numop2
- * x11: now also called "window", so you can write "@out window", "open window"
- * new object classes:
-     @draw_image: picture-in-picture, with alpha blending, etc
-     jmax4_udpsend: send to a jMax 4.0.x system via UDP
-     jmax4_udpreceive: receive from a jMax 4.0.x system via UDP
-     pd_netsend: send to a pd system via UDP
-     pd_netreceive: receive from a pd system via UDP
-     @eight: (like @four, but with eight of them ;-)
-     peephole: like [@out x11] but as inset of a patcher (jMax 2.5 only)
- * support for upcoming jMax 4.1        
- * "open file" autodetects how to handle a file, by filename suffix
-
-version 0.7.2 (2003.04.24):
-
- * fixed bugs in: make install, jpeg reading
- * added support for float32
- * added direct .jmax decoding
- * added direct .pd encoding
- * pd examples moved to separate directory
- * ported some .jmax examples to .pd (automated) (8 out of 20)
- * added motion_detect.pd
- * new classes: demux, and more jmax emulations
- * @in,@out: keyword "option" may be omitted
- * configure: added --ruby-prefix
- * adding custom C++ pre-preprocessor
- * better type checking of message arguments (better error reporting too)
- * @print supports 3 dimensions, and msg "base" with arg 2,8,10,16
- * can now write loadbang-messages into an object box using the comma
- * major cleanup of the source code
- * added operator *>>8 (multiplication by value then division by 256)
- * new classes: @rgb_to_yuv, @yuv_to_rgb
- * @rotate now works with multiple axis (can work on 3D points, etc)
-
-version 0.7.1 (2003.03.24):
-
- * fixed important bugs (crashes and such)
- * @store,@ can now receive in inlet 1 while sending from outlet 0.
- * @, when inlet 1 grid size is small but not 1, is now much faster.
- * added memcpy() usage logging (see profiler_dump)
- * added examples: drag_rectangle.jmax, plot.jmax, eclipse.jmax
- * added example: cellular_1d.pd
- * added classes: fork, jmax_udpsend, jmax_udpreceive
- * added classes: @rotate, @remap_image, @type
- * added operators: gcd,lcm (common divisors/multiples)
- * quicktime: added encoding, added seek, fixed bugs
- * @in inlet 1 tells frame number (int), end-of-file (bang)
- * @in: added: set, option loop (controlling auto-rewind)
- * updated cross_fade.jmax (much faster)
- * @two,@three,@four allow inlet 0 bang trigger
- * configure: simpler config for jMax 2.5
- * PD help patches (by Uli Berthold)
- * PD: "make install" takes care of help patches and library
- * CVS web interface on artengine.ca (thanks to Alex)
-
-version 0.7.0 (2003.02.01):
-
- * new classes: @cast, @join, @ravel, @grade, @perspective
- * new grid protocol supports several number types (added uint8,int16)
- * added number type support in most classes
- * added "option cast" for @in in some formats
- * can now specify number types in grid literals
- * added some MMX support (accelerates by 0%..40%)
- * @import: added optional 2nd arg specifying type.
- * @import: can convert symbols to grids of their ascii codes.
- * new [@import per_message] yields one grid per incoming message
- * [fps]: added options "user" "system" "cpu" for selecting clock
- * aalib: added options autodraw, draw, dump
- * aalib: added raw input (two channels: characters, attributes)
- * x11: added support for 256-color mode using a private colormap.
- * x11: added "use_stripes" for alternate 256-color rendering.
- * fixed problems with earlier versions of Ruby (like 1.6.2)
- * new samples: polygon.jmax
- * videodev_effects.jmax: added sort-effects, centre-of-gravity-tracking
- * the time profiler is back to working !!!
- * @scale_by, @downscale_by: added right inlet, for configuration
- * @store is a bit faster
- * ppm: accelerated by large amount
- * @outer,@inner,@inner2,@fold accelerated by obscene amount
-
-version 0.6.5 (2003.01.10):
-
- * can now encode Targa-24, Targa-32, JPEG-24
- * can now output through aalib (ascii art library)
- * fixed problems with libruby.a
- * tested with the new version of Ruby (1.8)
- * new classes:
-	fps, @rgb_to_greyscale, @greyscale_to_rgb, @solarize,
-	@complex_sq, @export_symbol, @draw_polygon,
-	@apply_colormap_channelwise
- * new class FPatcher, a ruby patcher/abstraction system
- * @scale_to,@contrast,@spread,@posterize now available in
-	PureData & Ruby; they also now accept arguments.
- * [@scale_to]: back to working; inlets "height" and "width" merged
- * [route grid_begin] replaced by [route grid]
- * [route grid_end] replaced by [@finished]
- * Most everything is 10-50% faster
- * changes in the internal transmission of grids
- * new two-input operators: div, swapdiv, put, ignore
- * compilable on MacOS 10
-
-version 0.6.4 (2002.12.23):
-
- * can now decode JPEG (using libjpeg.so)
- * many bugs fixed (especially in file formats)
- * operators: log* added; tanh renamed to tanh*
- * @two,@three,@four are no longer specific to the jMax side
- * format grid: option headerless for reading any kind of file
- * format grid: option headerful (revert to actual .grid format mode)
- * fixed problems with GNU C++ version 3
- * format ppm: accelerated writing
- * format modifier gzfile: gzip support also works with [@out]
- * format x11: the "here" specifier is now optional
- * added @checkers
- * [@scale_by {y x}] for different y,x scale factors
- * [@in blah blah] means "open blah blah" -> [@in] (and same with @out)
- * added @downscale_by with or without smoothing
- * format targa: can now decode 32 bit RGBA
- * @layer: combines RGBA foreground with RGB background, yielding RGB.
- * format grid options: endian big, endian little, endian same
- * formats ppm,grid: use 'option rewind' to overwrite same file
-	(by default, rewind is no longer done after each frame)
-	('option rewind' also rewinds on reading)
-
-version 0.6.3 (2002.12.06):
-
- * removing the custom leak detector ("Valgrind" program used instead)
- * removed all (?) memory leaks
- * videodev: new options: frequency, transfer [read|mmap], noinit
- * profiler summary code rewritten
- * profiler wrapper code removed
- * x11: option setcursor <0-63>, option hidecursor
- * x11: outlet 0 tells cursor position / button state
- * more C++ification of the code
- * many bugs fixed (especially crashes)
-
-version 0.6.2 (2002.09.17):
-
- * jMax objects written in (or using) Ruby now can work in PureData too.
- * new format: SDL (portable output to window)
- * can now compile bridges without libruby.so
- * changed grid-protocol: added direct object-to-object streaming.
- * bug: gridflow's clock tick back to a decent value (sorry)
- * all inlets supporting grids also convert int/float as 0-D grids
- * @fold and @scan now accept grids in right inlet and constructor
- * @convolve is 2-3 times faster
- * %,swap% are now called rem,swaprem; new %,swap% is the true modulo.
- * @for now allows vectorial from/to/step values
- * @identity_transform removed, change to eg: [@for{0 0}{240 320}{1 1}]
- * PD users: grid literals are written like:
-	[@for ( 0 0 ) ( 240 320 ) ( 1 1 )] with all those spaces
- * @inner,@inner2,@convolve can take right inlet grid as 4th argument
- * re-enabled and improved the memory leak detector (use --debug)
- * fixed many bugs and leaks
- * fixed bugs in @store
- * added sample: zoom.pd
-
-version 0.6.1 (2002.08.29):
-
- * now compiling GridFlow as C++ (replacing C)
- * now you can use Ruby 1.7, which is faster
-	note: if you do so, make sure your version is dated 2002
- * new objects: rubyprint, printargs, @print, @scan, @inner
- * new format: apple quicktime (using libquicktime.so)
- * @in gzip support (example: "open ppm gzfile teapot.ppm.gz")
-	also works with targa and grid
- * BitPacking now supports 1 to 4 channels instead of just 3
- * using mkmf.rb makefile generation; some MSWindows support thru Cygwin
- * added geiger counter simulator in [rtmetro]
- * libruby.so is only needed when using GridFlow through jMax
- * now can do grid literals in @ and @outer, like [@ + {0 1}]
- * syntax of @redim,@import changed from [@redim 2 3] to [@redim {2 3}]
- * "3 3 # 1 0 0 1" into inlet does automatic @redim, for all objects
- * grid literals accept {2 3 # 1 4 5} as an implicit [@redim {2 3}]
- * objects rewritten in Ruby language: @in, @out
- * updated samples, templates, documentation.
- * fixed bugs
-
-version 0.6.0 (2002.07.31):
-
- * THIS IS AN EXPERIMENTAL BRANCH (VERY BUGGY)
-     REAL PROJECTS SHOULD USE VERSION 0.5.0 INSTEAD
- * GridFlow rewritten as a plugin for Ruby instead of jMax.
- * GridFlow now includes a Ruby-for-jMax bridge.
- * you need Ruby 1.6.6 (including libruby.so) or compatible
- * you don't need GNU Bash anymore (configurator is now a Ruby program)
- * format handlers for .ppm, .tga, .grid rewritten in Ruby
- * merged all Makefiles together, etc.
- * sources are in base/ and format/ instead of c/src/
- * many bugs removed, many bugs added.
- * will read ~/.gridflow_startup if it exists
-
-version 0.5.0 (2002.06.08):
-
- * big changes to the internals (especially use of macros)
- * can compile without X11; added --no-x11 in ./configure
- * removed support for jMax 2.4
- * auto-detects jMax 2.5 and jMax 3.0
- * @inner renamed to @inner2 (new, proper @inner coming soon)
- * faster unary operators
- * added unary operator: sq (faster squaring)
- * further separation of GridFlow from jMax
- * major format API changes (added Stream class)
- * format "grid" now supports 8 bits per value
- * support for HeroineWarrior's LibMPEG3 (reading + seeking)
- * libmpeg.so (Greg Ward's) now also looked up as "libwardsmpeg.so"
- * added objects: rtmetro, pingpong
- * Moved CVS repository from Hostname.2y.net to Artengine.ca
- * updated samples
-
-version 0.4.1 (2002.01.02):
-
- * cvs repository now has public access
- * now can run configure without jmax/fts being present
- * standalone version now works on Silicon Graphics and Corel Netwinder.
- * MPEG format readonly (single file at a time; mpeg video layer only)
- * grid TCP: non-blocking read
- * fixed all known memory leaks
- * X11 Shared Memory now disables itself properly on remote display
- * updated help files
- * updated help screenshots in the manual
- * fixed profiler bugs
- * fts emulation moved to c/src/ and tests moved to tests/
-
-version 0.4.0 (2001.11.28):
-
- * package name changed from "video4jmax" to "gridflow"
- * documentation *rewritten*, more precise, more structured
- * documentation format is now XML (includes HTMLized version)
- * can now compile without jmax/fts (if you need quicker testing...)
- * added format "grid" for storing any kind of grid to disk.
- * added TCP client/server socket support (with format "grid" only)
- * added (timewise) profiler
- * @convolve now takes up to three arguments
- * Format API changes again
-	* "connect" merged into "open"
-	* "size" merged into "option"
-	* @video_out merged into @out
- * format videodev can now do full framerate (instead of just half)
- * added X11 Shared Memory support (faster image transfer locally)
- * added @scale_by for quick scaling by integer factors.
- * @identity_transform, @scale_to are much faster.
- * many other accelerations
-
-version 0.3.0 (2001.11.04):
-
- * reworked File Format API
- * grid objects now all accept lists of integers (auto-convert to 1D grid)
- * many accelerations (incl large speedup on chains of binary operations)
- * transformed @video_out (X11) into a "File Format" (really) and:
-	* allows multiple displays
-	* auto-resizing window
-	* can set output as wallpaper
-	* can read from the screen (screenshot)
-	* @video_out now a backward-compatibility wrapper
- * format videodev now uses double buffer mmap (somewhat faster)
- * @video_in_file, @video_out_file renamed to @in, @out (with aliases)
- * new objects:
-	@convolve, @inner, @for
- * more samples: Fire, Ripple, Game of Life, Chroma Key, Convolve, Saturation
- * much improved samples: Color Correction, Linear Transform.
- * use [@store uint8] for low-ram storage of values 0-255.
- * videodev: added option norm 0=pal 1=ntsc 2=secam 3=auto
-
-version 0.2.2 (2001.08.15):
-
- * @video_out auto-updates on X11 ExposeEvent
- * updated documentation and help
- * fixed installation/config of help and summary
- * split BitPacking module from @video_out
- * added support for BTTV input (that is, using mmap() command)
- * new videodev options: channel,tuner,contrast,hue,etc.
- * now with 30 binary operators, and 3 unary operators
- * added many new samples
- * new objects:
-	@!, @fold, @outer, @dim, @redim,
-	@posterize, @contrast, @two, @three,
-	@identity_transform, @scale_to, @spread
-
-version 0.2.1 (2001.08.01):
-
- * added private CVS repository on hostname.2y.net
- * added configuration script (detects video4linux 1.x)
- * added documentation in HTML format
- * added File Format API
-	* format "ppm": PPM P6 RGB24 support read-write
-	* format "targa": Targa RGB24 support read-only
-	* format "videodev": Video4linux read (using read() command only)
- * @store no longer slowing down its downstream
- * many other accelerations
- * Tuple changed to Dim; Index removed
- * Grid element type is typedef Number
- * @ supports grids in right inlet
- * now there are 20 binary operators
-
-version 0.2.0 (2001.05.05):
-
- * package name changed from "video" to "video4jmax"
- * new kind of post() cancels repetitive log entries
- * major modifications to existing objects
- * new "grid transmission system"
-	(Tuple,Index,GridInlet,GridOutlet,GridObject)
- * vout -> @video_out
- * vin_file -> @video_in_file
- * vout_file -> @video_out_file
- * added @import, @export
- * added @, @store
-
-version 0.1.1 (2001.04.03):
-
- * removed vout's grab
- * vout width and height parameters swapped
- * vout_file class is mostly like vout but writes to a file in PPM format.
-
-version 0.1.0 (2001.03.14):
-
- * fixed the bits_per_pixel bug
- * merged in some other variations on the main sample
- * included Christian's makefiles for jmax 2.5
-
-version 0.0.7 (2001.03.08):
-
- * vout should support most types of RGB visuals now
- * autodraw now works: 0=none; 1=page; 2=line; 3=pixel
- * less global variables
- * putting all of this under the GPL
-
-version 0.0.5 (2001.03.05):
-
- * vout class, two params: width, height; 24-bit BGR only; refresh by
-finishing scanline or sending bang; "grab" (hack); "reset" for resetting
-the pixel pointer.