Robby Findler
d1e3765af7
added save-svg-image
2011-08-07 19:35:29 -05:00
Matthias Felleisen
a51e2494b6
bug fix: when the initial world is a final world, big-bang should use only the final draw handler -- if it exists
2011-08-05 12:46:25 -04:00
Matthias Felleisen
50386760dd
added launch-many-worlds/proc; Closes 10559
2011-08-03 11:20:05 -04:00
Guillaume Marceau
adf965e92a
Undoes the 'produces -> return' part of commit c31d352f, keeping the 'changes -> mutates' change and the assorted bug fixes it contained.
2011-07-17 16:48:12 -04:00
Matthias Felleisen
59499b84bd
optional limit for number of ticks
2011-07-16 13:59:55 -04:00
Matthias Felleisen
562252f589
fixed bug in exception handling for drawing; Closes PR 12044
2011-07-15 12:24:39 -04:00
Guillaume Marceau
c31d352f2b
Standartize the vocabulary to "the function returns" and "set! mutates"
2011-07-15 03:27:27 -04:00
Stephen Bloch
83fd1e968d
Corrected an error message that said it wanted a real, but actually
...
expected an integer.
2011-07-14 13:01:11 -04:00
Matthias Felleisen
40948ee653
sk requested empty scenes with optional background color
2011-07-14 12:03:20 -04:00
Matthew Flatt
8271f7b182
export `step-count?'
...
Merge to 5.1.2
2011-07-09 08:47:21 -06:00
Matthias Felleisen
4698e94127
providing a name for tick handler, Closes PR 12027
2011-07-06 23:09:27 -04:00
Guillaume Marceau
9706920055
Updated the error messages of the world and universe teachpacks.
2011-07-06 05:35:27 -04:00
Jay McCarthy
de9aec3051
Allowing paths in big-bang's record? argument and adjusting a test to make use of that feature. It would also be good to allow bitmap to take paths, but that is non-trivial, because of its assumption that non-literal strings are module paths
2011-07-02 20:13:39 -07:00
Matthias Felleisen
a1c219a068
eliminated superfluous require for-syntax, refactored and cleaned up; fixed bug in test?
2011-07-02 13:34:02 -04:00
Eli Barzilay
3157955d40
".ss" -> ".rkt" scan done.
2011-07-02 10:37:53 -04:00
Eli Barzilay
40124a0619
A long overdue scan to eliminate files without terminating newlines.
...
(DrRacket should really do that.)
2011-06-28 02:01:41 -04:00
Matthias Felleisen
b00b2e318a
last world draw shouldn't restore old draw; Closes PR 11994
2011-06-22 10:53:14 -04:00
Matthias Felleisen
b74c9f9df3
ensure that dimensions of canvas are below 2000 by 2000; closes PR 11907
2011-05-09 17:59:23 -04:00
Matthias Felleisen
f2a475eb43
critical bug fix in registration process; please propagate
2011-04-25 11:05:42 -04:00
Matthias Felleisen
8dbc1994bc
small change to registration format
2011-03-28 20:14:46 -04:00
Matthias Felleisen
5e7ac9a038
fix naming of name of universe state window
2011-03-28 20:14:45 -04:00
Matthias Felleisen
5fee2676dc
leftover debugging aide
2011-03-28 20:14:44 -04:00
Eli Barzilay
a3d00a910a
More LGPL permissions from Chongkai, Neil, and Olin.
...
Also, removed the LGPL blurbs from srfi/1, and redirect to the Racket
license. (To avoid possible future issues with license changes, such as
LGPL version.)
2011-03-03 11:09:09 -05:00
Robby Findler
6fff26ad12
2htdp/image: relax the constraints on 'crop' so that you can crop outside the bounding box
2011-02-21 05:28:37 -06:00
Robby Findler
c1668d894e
added overlay/align, underlay/align, overlay/align/offset, and underlay/align/offset
2011-02-20 15:37:16 -06:00
Robby Findler
5822f1e95f
started on overlay/offset
2011-02-20 15:37:15 -06:00
Robby Findler
eb45a6f15b
2htdp/image: place-image/align doesn't really need to check that the second image argument has a pinhole
2011-02-06 07:25:08 -06:00
Robby Findler
e05e6efc7a
added a missing syntax error check
2011-01-29 11:20:12 -06:00
Robby Findler
0dc71e9405
improve the bitmap function in 2htdp/image
...
related to PR 11362
2011-01-24 16:26:15 -06:00
Matthias Felleisen
814a847323
made to-draw/on-draw in big-bang mandatory; Closes PR 11663
2011-01-22 12:07:24 -05:00
Robby Findler
a20809c347
added bitmap/url to 2htdp/image
2011-01-18 10:54:55 -06:00
Mike Sperber
85e02db1ad
Tweak world to enable interoperability with DMdA gui teachpack.
2011-01-16 12:26:50 +01:00
Robby Findler
9964e28969
added a check in bitmap to make the file argument exists
2011-01-11 08:06:26 -06:00
Robby Findler
61664690b5
make the proper test to be able to call un/cache-image
...
closes PR 11598
2011-01-07 11:22:28 -06:00
Robby Findler
1d2b837603
adjusted 2htdp/universe (and world) so that it uses the cache disabling support from 2htdp/image
...
(the caching is not helping when drawing animations; it just allocates extra bitmaps)
2011-01-06 14:24:03 -06:00
Robby Findler
4f19b0d454
add a coercion so that equality is simpler for things produced by 'bitmap'
2011-01-02 06:51:36 -06:00
Robby Findler
7716851cde
2htdp/image: added support for alpha as a mode? argument
2011-01-01 20:01:50 -06:00
Robby Findler
54c337e5d3
2htdp/image: use erase instead of clear to zero out a bitmap
2010-12-27 21:51:16 -06:00
Robby Findler
835f7753dc
generalize the color structs to have an alpha field and then use that in the bitmap conversion functions
2010-12-27 21:51:14 -06:00
Robby Findler
7282e19178
tightened up the check on polygon to make sure the posns contain reals
...
closes PR 10997
2010-12-25 20:33:33 -06:00
Robby Findler
2dc15061a8
adjust Sam's edit so the file is now properly indented
2010-12-17 13:53:03 -06:00
Robby Findler
4917d2af4a
added freeze to 2htdp/image
2010-12-17 13:51:10 -06:00
Sam Tobin-Hochstadt
24ea7d34fc
Fix use of 'fn-name in 2htdp/image error messages.
2010-12-17 12:37:32 -05:00
Sam Tobin-Hochstadt
8a8a8dbe4b
Separate snip% from the gui
2010-12-17 12:32:26 -05:00
Robby Findler
4d04aa2b97
generalize define/chk to work with case-lambda-style functions
2010-12-17 10:02:40 -06:00
Robby Findler
e0b425e5d8
change more cross-collection requires
2010-12-17 10:02:38 -06:00
Matthias Felleisen
bd0b8d9c9f
the Utah refactoring accidentally nested queue-callback; closes PR11500
2010-12-06 23:04:08 -05:00
Robby Findler
b884623da2
use for/list intead of a (one off) map/i function.
2010-12-06 14:22:10 -06:00
Robby Findler
45a97cb561
off by one error in 2htdp/image error messages
...
closes PR 11476
2010-12-06 14:22:10 -06:00
Matthias Felleisen
6df50ffe83
final world display, Closes PR11471
2010-11-29 10:59:08 -05:00
