On Fri, Jan 7, 2011 at 11:46 AM, Sayth Renshaw <flebber.c...@gmail.com>wrote:
> > > On Fri, Jan 7, 2011 at 11:17 AM, David Van Horn <dvanh...@ccs.neu.edu>wrote: > >> On 1/6/11 7:11 PM, Sayth Renshaw wrote: >> >>> Would it be possible to get the image SDL_image library added to planet >>> racket? that way I could require the package and use it. Currently >>> cannot do the examples from the first page of HTDP2e because I cannot >>> use the SDL_image library. >>> >> >> You don't need SDL_image to run the examples from HTDP2e. >> >> If you're reading the HTDP2e, right-click the rocket image, select "Copy >> Image" (or something equivalent for your browser). Then, in the DrRacket >> definitions window, right-click and select "Paste". >> >> Does that help? >> >> David >> > > No the test example fails. It states to run this code after library is > loaded(haven't been able to load library) and it gives this error. > > (* (image-width ) > (image-height )) > > and it gives this error. > > image-width: name is not defined, not a parameter, and not a primitive name > > meaning to me that the library isn't loaded. > > Sayth > > NB The image isn't showing properly in this email but is in the racket > definitions window. > Actually it was a giant goose chase. The SDL image library referred to isn't what needs to be loaded for HTDP2e to work. Its not SDL-image that was needed but the image.ss teachpak. Maybe the text could be changed from Once you have added a library to your program, clicking RUN gives you 1176because that’s the area of a 28 by 42 image. to Load the image teachpak and load the example. Sayth
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