Garbage because the string is not null terminated. Use *c instead &c unless you know what you are doing.
On Thu, Dec 3, 2020 at 8:53 PM 'Michael Day' via Programming < programm...@jsoftware.com> wrote: > Thanks - I've been trying to get this to work in J902 under Windows. > Partial success > at last today with these latest text-files. > > Please note that each text script has two gratuitous extra lines, those in > the J-forum message footer: > <<---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm>> > > I needed to change these OS- or installation-dependent definitions: > > NB. in your sdl2.txt, renamed to ...ijs ... > NB. SDLDLL =: '/usr/local/lib/libSDL2.dylib' > SDLDLL =: 'c:/sdl2/sdl2.dll' > > NB. and in your sdlbmpevtex.txt renamed to ...ijs ... > NB. WAS :- load '~/j902-user/temp/sdl2.ijs' > load '~user/sdl2.ijs' > .... > NB. WAS:- bmpsurf=: {. SDL_LoadBMP > <'/Applications/j902/addons/graphics/bmp/toucan.bmp' > bmpfile=. fullname_j_'~addons/graphics/bmp/toucan.bmp' > bmpsurf=: {. SDL_LoadBMP < bmpfile > > I eventually saw the birdie once I'd got that last path correct after > some earlier mistakes. > > I think you've already said you can't close the graphic yet. I don't > know about linux or unix, but > in this Windows OS, the only way to close it appears to use "End Task" > in Windows Task Manager; > Task Manager shows the graphic/s as subtask/s - closing this/one of > these closes the whole J session. > > My latest Toucan has garbage in its title: "SDL2 from J�����⎕ {club}∨" > (approximately) > suggesting there might be some problem with the &c argument to > SDL_CreateWindow. The added > characters seem to be arbitrary, as might be expected if the length is > wrong. > > But the Toucan appeared! I'm old enough to remember the Guinness (I > think) ad's slogan, along the > lines of "Toucan do what toucan do." > > Cheers, > > Mike > > > On 03/12/2020 01:04, Thomas McGuire wrote: > > > -- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
