On 30.03.2010, at 20:31, Andreas wrote:
> Hi everyone!
Please note that questions for FLTK 2 are not likely to get fast
and high quality replies, because there are no active FLTK 2 dev's
around here any more.
I don't know much of FLTK 2, but I think that your problem is not
directly related to FLTK 2, but a standard C(++) problem.
> This is my code for creating the MultiImage:
>
> fltk::MultiImage* GetButton(const char *str)
> {
> string first = ".\\Resource\\Images\\button";
> string end = ".png";
> string variable = str;
>
> string str0 = first+variable+end;
> string str1 = first+variable+"_hover"+end;
> string str2 = first+variable+"_push"+end;
> string str3 = first+variable+"_inactive"+end;
These variables above are local variables in your subroutine
GetButton, and thus go out of scope with the following return
statement, an so do all your strings. You need static variables
or malloc'd variables to keep the strings alive.
> return new fltk::MultiImage(*(fltk::SharedImage::get(str0.c_str())),
> fltk::HIGHLIGHT, *(fltk::SharedImage::get(str1.c_str())),
> fltk::PUSHED, *(fltk::SharedImage::get(str2.c_str())),
> fltk::INACTIVE_R, *(fltk::SharedImage::get(str3.c_str())));
> }
Hope, this is more "trustworthy" than your current solution ;-)
Albrecht
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