Robby Findler
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7716851cde
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2htdp/image: added support for alpha as a mode? argument
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2011-01-01 20:01:50 -06:00 |
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Robby Findler
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835f7753dc
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generalize the color structs to have an alpha field and then use that in the bitmap conversion functions
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2010-12-27 21:51:14 -06:00 |
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Robby Findler
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7282e19178
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tightened up the check on polygon to make sure the posns contain reals
closes PR 10997
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2010-12-25 20:33:33 -06:00 |
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Robby Findler
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2dc15061a8
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adjust Sam's edit so the file is now properly indented
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2010-12-17 13:53:03 -06:00 |
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Sam Tobin-Hochstadt
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24ea7d34fc
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Fix use of 'fn-name in 2htdp/image error messages.
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2010-12-17 12:37:32 -05:00 |
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Sam Tobin-Hochstadt
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8a8a8dbe4b
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Separate snip% from the gui
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2010-12-17 12:32:26 -05:00 |
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Robby Findler
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4d04aa2b97
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generalize define/chk to work with case-lambda-style functions
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2010-12-17 10:02:40 -06:00 |
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Robby Findler
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e0b425e5d8
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change more cross-collection requires
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2010-12-17 10:02:38 -06:00 |
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Robby Findler
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b884623da2
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use for/list intead of a (one off) map/i function.
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2010-12-06 14:22:10 -06:00 |
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Robby Findler
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45a97cb561
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off by one error in 2htdp/image error messages
closes PR 11476
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2010-12-06 14:22:10 -06:00 |
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Robby Findler
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3782c2e749
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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.
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2010-10-28 17:20:43 -05:00 |
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Robby Findler
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d10cd2e6fa
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preserve pinholes in overlaying and related functions
(also started to add "pinhole" as a place, but not done with that yet)
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2010-09-06 20:39:12 -05:00 |
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Robby Findler
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1fa6be75b5
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added image->color-list and color-list->bitmap
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2010-09-04 13:52:49 -05:00 |
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Robby Findler
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3704e2d69f
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added a better explanation of pixels and fixed a bug in save-image
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2010-08-28 20:41:58 -05:00 |
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Jens Axel Søgaard
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64c3a98e45
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Added triangle/sss, triangle/ass, triangle/sas, triangle/ssa, triangle/aas, triangle/asa, and, triangle/saa.
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2010-08-05 18:18:06 +02:00 |
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Robby Findler
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a612830b8e
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added the radial-star primitive
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2010-06-25 20:24:18 -05:00 |
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Robby Findler
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132867518c
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added support for flipping bitmaps
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2010-06-18 16:21:14 -05:00 |
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Robby Findler
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31b507aa51
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Rackety 2htdp/image
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2010-05-25 21:35:04 -05:00 |
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Robby Findler
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b319039468
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fixed a bug in text so that inexact integers are converted to exact ones
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2010-05-22 08:58:54 -05:00 |
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Matthew Flatt
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28b4043077
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rename all files .ss -> .rkt
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2010-04-27 16:50:15 -06:00 |
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