Commit Graph

52 Commits

Author SHA1 Message Date
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
4d9c150b7b 2htdp/image: adjust tests 2011-02-11 19:50:15 -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
David Van Horn
760a58b65d Fixes more spelling errors. 2011-02-04 19:44:13 -07:00
Robby Findler
7716851cde 2htdp/image: added support for alpha as a mode? argument 2011-01-01 20:01:50 -06:00
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
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
Robby Findler
4917d2af4a added freeze to 2htdp/image 2010-12-17 13:51:10 -06:00
Sam Tobin-Hochstadt
d92ce41a6f Make 2htdp/image produce png-convertible results. 2010-12-17 12:32:25 -05:00
Robby Findler
db116cd14b don't go up past the collection with relative requires 2010-12-12 16:24:18 -06:00
Robby Findler
2a7ccc552a clean up test suite ala gr2 2010-11-29 13:49:47 -06:00
Robby Findler
6e7530ff86 added empty-image 2010-11-25 06:55:00 -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
e80fb21c7c unbreak test suite 2010-10-31 10:12:03 -05:00
Robby Findler
ebe486886c change 2htdp/image to export image=? 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
Robby Findler
05d16d9311 closes PR 11293 2010-10-07 19:36:18 -05:00
Robby Findler
08b9396e2f closes PR 11236 2010-09-21 16:47:55 -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
d2e443ac97 made equality check on images sensitive to pinholes 2010-09-06 20:39:11 -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
986b36d761 added basic pinhole tests 2010-09-06 20:39:10 -05:00
Robby Findler
4fa7fa2994 Added docs and exported basic pinhole manipulation primitives 2010-09-06 20:39:10 -05:00
Robby Findler
5e01ac5537 added a pinhole property to images 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
8d2db5f4bf fixed a bug found by random testing 2010-08-22 20:33:30 -05:00
Robby Findler
720a86052f improved crop so that it doesn't fail when the coordinates are out of range 2010-08-22 15:12:10 -05:00
Robby Findler
f1e38247e0 improved the error message for save-image
closes PR 11076
2010-08-20 17:39:45 -05:00
Robby Findler
6cd277a36f fixed a bug in the saving of bitmaps (and along the way added some randomized tests that found a few other things)
Please merge to release branch.
2010-07-20 22:59:52 -05:00
Robby Findler
070a39d902 fixed a bug in text's color argument, as noted in PR 10998 2010-07-07 13:42:40 -05:00
Robby Findler
a5d969607b fixed PR 10998 2010-07-06 15:26:26 -05:00
Robby Findler
132867518c added support for flipping bitmaps 2010-06-18 16:21:14 -05:00
Robby Findler
27bd7934d7 fixed flipping for curves 2010-06-18 16:21:13 -05:00
Robby Findler
ca7bf92054 added basic flipping (bitmaps not done yet) 2010-06-18 16:21:13 -05:00
Robby Findler
31b507aa51 Rackety 2htdp/image 2010-05-25 21:35:04 -05:00
Eli Barzilay
7b14a1f585 "Racunit" -> "Rackunit" 2010-05-17 12:07:32 -04:00
Jay McCarthy
bc5cf30ebe Renaming rktunit to racunit 2010-04-30 10:57:32 -06:00