Eli Barzilay
17090fca4f
A bunch of fprintf' ->
eprintf' conversions (and a few related things).
2012-05-06 12:06:00 -04:00
Matthew Flatt
68e005fb2c
racket/draw: make-immutable-{color,brush,pen} => make-{color,brush,pen}
...
Also, use keywords for `make-pen' and `make-brush'.
Adding `make-pen' and `make-color' creates many conflicts among
teaching libraries, such as `2htdp/image'. These are easy to fix
up in the tree, but adding such obvious names to `racket/draw'
may create other compatibility problems, so we might have to reconsider
the names.
In consultation with Asumu.
2012-05-01 21:04:40 -06:00
Robby Findler
1b0df5d48d
fix rotate so that it can accept non-integral arguments
...
closes PR 12632
2012-03-21 19:45:45 -05:00
Robby Findler
6633387827
adjust 'bitmap' so that it saves paths as a list of strings that
...
get interpreted as a collection at runtime, instead of saving a path.
closes PR 12548
2012-02-07 15:50:53 -06:00
Robby Findler
d93818dd61
Change 'bitmap' to use collection-file-path (with its new #:fail) argument,
...
so that it picks up linked collections.
closes 12424
merge to the release branch, please
2012-01-11 13:16:46 -06:00
Robby Findler
f4b4e00c55
added bitmap/file
...
closes PR 12466
2011-12-29 22:18:07 -06:00
Robby Findler
0dff5ca92b
special case the four cardinal directions during rotation so they rotate
...
exactly (this also makes flip-horizontal and flip-vertical work equally
well)
closes PR 12323
2011-10-26 16:36:07 -05:00
Robby Findler
0e2bd262a8
add a missing degrees to radians conversion in triangle/ass
...
closes PR 12199
2011-09-14 12:35:53 -05:00
Robby Findler
1f02106318
2htdp/image
...
normalize the internal representation of bitmaps so it always uses an alpha
bitmap instead of sometimes using a mask bitmap and sometimes using alpha.
This also fixes a bug where the library would get consfused when it saved
a bitmap to a file, since it didn't record if it was an alpha bitmap or not.
This improves the save files that contain images, cutting the size for bitmaps
in half (bringing the drracket save file down to a mere 25x larger than the
png file format for the example I was using...)
2011-08-22 19:09:52 -05:00
Robby Findler
d1e3765af7
added save-svg-image
2011-08-07 19:35:29 -05:00
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
Eli Barzilay
3157955d40
".ss" -> ".rkt" scan done.
2011-07-02 10:37:53 -04:00
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
Robby Findler
a20809c347
added bitmap/url to 2htdp/image
2011-01-18 10:54:55 -06:00
Robby Findler
9964e28969
added a check in bitmap to make the file argument exists
2011-01-11 08:06:26 -06:00
Robby Findler
4f19b0d454
add a coercion so that equality is simpler for things produced by 'bitmap'
2011-01-02 06:51:36 -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
4917d2af4a
added freeze to 2htdp/image
2010-12-17 13:51:10 -06:00
Sam Tobin-Hochstadt
8a8a8dbe4b
Separate snip% from the gui
2010-12-17 12:32:26 -05:00
Robby Findler
e0b425e5d8
change more cross-collection requires
2010-12-17 10:02:38 -06:00
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
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
d082e805b2
fix bug in error checking for save-image
2010-10-31 10:12:04 -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
35f64145ca
adjusted the way caching works for bitmaps to be more effective
2010-10-22 06:45:57 -05:00
Eli Barzilay
ee138cf2cb
Some repeated "and and"s and "the the"s, and two more typos.
...
Closes PR 11229.
2010-09-20 15:38:18 -04:00
Robby Findler
31685bc496
Adjusted 2htdp/image's frame primitive so that it does not draw
...
outside of the bounding box.
2010-09-09 06:58:55 -05:00
Robby Findler
9105b92240
added overlay/pinhole and underlay/pinhole
2010-09-07 09:35:21 -05:00
Robby Findler
6f0b6eebbe
Added pinholes as x-place and y-place arguments
2010-09-06 20:39:13 -05:00
Robby Findler
d10cd2e6fa
preserve pinholes in overlaying and related functions
...
(also started to add "pinhole" as a place, but not done with that yet)
2010-09-06 20:39:12 -05:00
Robby Findler
cc96864868
added pinhole support to cropping primitives and to frame
2010-09-06 20:39:12 -05:00
Robby Findler
9b720b9c0d
added pinhole support to add-line, add-curve, scene+line, and scene+curve
2010-09-06 20:39:12 -05:00
Robby Findler
9087348b7e
added pinhole support to the flipping prims
2010-09-06 20:39:11 -05:00
Robby Findler
157e9c2512
made rotation work with pinholes
2010-09-06 20:39:11 -05:00
Robby Findler
e3b51e8cf4
made scaling work with pinholes
2010-09-06 20:39:11 -05:00
Robby Findler
4fa7fa2994
Added docs and exported basic pinhole manipulation primitives
2010-09-06 20:39:10 -05:00
Matthew Flatt
081fc3bad5
fix 2htdp/image bitmap rotation direction
2010-09-04 16:43:38 -06:00
Robby Findler
1fa6be75b5
added image->color-list and color-list->bitmap
2010-09-04 13:52:49 -05:00
Matthew Flatt
e0d9d2565c
fix problem with rotation on images such as bitmaps
...
and replace internal `bring-between' with an efficient version
Closes PR 11124
2010-08-30 20:15:20 -06:00
Robby Findler
3d5843aa81
fixed pen and color so they signal errors properly
2010-08-28 08:52:59 -05:00
Robby Findler
405fded9c3
change empty scene so that it draws the border for the scene inside the scene,
...
instead of using the usual rectangle "right/bottom outside" drawing
(hopefully) closes PR 11139
2010-08-28 07:57:52 -05:00