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
Eli Barzilay
e2cc0942cc
Attempt to make some ignore files more robust
2010-12-31 15:59:39 -05:00
Robby Findler
830c797ee4
use pen's alpha color stuff in 2htdp/image
2010-12-31 10:25:01 -06:00
Robby Findler
1d89cfc9d7
2htdp/image fix bitmap scaling to respect alpha channels
2010-12-28 19:08:11 -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
e896360dcf
take advantage of new equal<%> and snip% setup to make image-snip%s equal to 2htdp/image images (when appropriate)
2010-12-24 06:34:43 -06:00
Matthias Felleisen
da7567b7a8
wish list for 2htdp/*sl
2010-12-22 08:47:13 -05:00
Matthias Felleisen
d4dd5f13e1
idea collection for 2htdp/*sl
2010-12-22 08:47:13 -05:00
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
4e85687d96
Ignore test-generated files
2010-12-17 12:32:28 -05:00
Sam Tobin-Hochstadt
8a8a8dbe4b
Separate snip% from the gui
2010-12-17 12:32:26 -05:00
Sam Tobin-Hochstadt
d92ce41a6f
Make 2htdp/image produce png-convertible results.
2010-12-17 12:32:25 -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
Robby Findler
db116cd14b
don't go up past the collection with relative requires
2010-12-12 16:24:18 -06:00
John Clements
b51626933c
hide big-bang startup code
2010-12-07 20:44:31 -08:00
Robby Findler
36e8d5ef99
remove bogus comment
2010-12-07 07:05:56 -06:00
Matthias Felleisen
bd0b8d9c9f
the Utah refactoring accidentally nested queue-callback; closes PR11500
2010-12-06 23:04:08 -05:00
Matthias Felleisen
4af96aaa1c
use 'any for read-line, closes PR11445
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
Robby Findler
2a7ccc552a
clean up test suite ala gr2
2010-11-29 13:49:47 -06:00
Matthias Felleisen
6df50ffe83
final world display, Closes PR11471
2010-11-29 10:59:08 -05:00
Robby Findler
57fe568a5e
fixed a bug
2010-11-25 06:55:00 -06:00
Robby Findler
6e7530ff86
added empty-image
2010-11-25 06:55:00 -06:00
Matthias Felleisen
2a3c66b731
start animate from 0 not 1
2010-11-20 10:37:59 -05:00
Matthew Flatt
c1ce863a70
experiment with explicit flush in 2htdp/world
2010-11-12 20:18:03 -07:00
Matthew Flatt
7ff8ce61db
explicitly discard patseboard mouse events when not handled in universe
2010-11-09 16:48:23 -07:00
Matthias Felleisen
0f856dede5
sync bug eliminated
2010-11-06 10:19:24 -04:00
Matthew Flatt
05cfffdf9e
v5.4.99.1, executable-yield-handler', and make-bitmap' etc.
2010-11-05 15:54:50 -06:00
Robby Findler
ae5cd21a1b
2htdp/image: changed the way drawing works, specifically avoid normalization before drawing to preserve sharing
2010-11-04 13:55:41 -05:00
Robby Findler
4941aec617
removed unused argument to normalize-image
2010-11-04 13:55:40 -05:00
Robby Findler
d082e805b2
fix bug in error checking for save-image
2010-10-31 10:12:04 -05:00
Robby Findler
e80fb21c7c
unbreak test suite
2010-10-31 10:12:03 -05:00
Robby Findler
cc0f246048
unbreak 2htdp/image
2010-10-29 14:55:56 -05:00
Matthias Felleisen
18a81f8552
record images during world program, not events; Closes PR11351
2010-10-28 18:43:19 -04:00
Robby Findler
82d11cfa6c
fix up Matthias's tests so they are more drdr friendly
2010-10-28 17:20:43 -05:00
Robby Findler
ebe486886c
change 2htdp/image to export image=?
2010-10-28 17:20:43 -05:00
Robby Findler
3782c2e749
change save-bitmap in 2htdp/image so that is uses the width and height of the image by default, but also so it accepts two optional arguments to change that.
2010-10-28 17:20:43 -05:00
Robby Findler
a744958fd5
added support to the 2htdp/image library for reading files when there is no GUI around.
...
currently the support is limited to images that can only report their sizes and pinholes and where equal?
signals an error unless the arguments are eq?.
2010-10-28 11:32:14 -05:00
