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Re: IDL and C- [message #39418 is a reply to message #39413]

Wed, 19 May 2004 23:55

MKatz843
Messages: 98
Registered: March 2002

Member

This is just a guess, but you might try the following.

;--- declare image as a pointer to an array of byte type
image = ptr_new(bytarr(640,480))
image = call_external("C:\11ryan\temp\Debug\testDLL.dll","testDLL ")
window, xsize=640, ysize=480 ;--- open a window for display
tvscl, *image ;--- scale and display the contents of the image pointer

after the call_external, you might also issue
print, image
If it returns something like this <PtrHeapVar1> then it's certainly a pointer.
M. Katz

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[Message index]

		Re: IDL and C- By: rsmith1 on Thu, 20 May 2004 13:50
		Re: IDL and C- By: MKatz843 on Wed, 19 May 2004 23:55
		Re: IDL and C- By: MKatz843 on Mon, 24 May 2004 11:51
		Re: IDL and C- By: JD Smith on Thu, 20 May 2004 14:49

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