> > > Jean-Pierre Lefebvre wrote:
> > > > Hello,
> > > >
> > > > I am learning FLTK, and I'm trying to create a GUI.
> > > > I manage to insert a picture on my interface, but I'm not able to
> > > > resize the picture (JPEG picture) in my window.
> > > > Here is the code I developped :
> > > > *-----------------------------------------------------------
> > > > fl_register_images();
> > > > Fl_JPEG_Image *Tool_FSW = new
> > > > Fl_JPEG_Image("/disk3/home/lefebvre/MorfeoGUI/Tool.jpeg");
> > > > Fl_Box *Tool_FSW_Box = new Fl_Box(2 * WB, voffset + 3*WB, 27 * WB, 20
> > > > * WB);
> > > > Tool_FSW_Box->box(FL_UP_BOX);
> > > > Tool_FSW_Box->image(Tool_FSW);
> > > > *-----------------------------------------------------------
> > > >
> > > > Do you have some idea about how resizing a picture ?
> > >
> > > Fl_[JPEG_]Image::copy(int W, int H)
> > >
> > > lets you copy an image with a new size. However, the resizing is done
> > > with a somewhat trivial algorithm, so don't expect high quality results.
> > >
> > > If you need to resize the image more than once, keep the original and
> > > copy this to a new one whenever you need it for better results (don't
> > > copy the copy ...).
> > >
> > > Albrecht
> >
> > Is there an alternative to this resizing algorithm in fltk(could be even a
> > third part library), like a bilinear algorithm or something like that?
> > Because the results are not good enought to use, especially
> > when dealing with transparent image with shapes.
> >
> > Thanks,
> > J.Marcelo Auler
> >
>
> Have a look at:
> http://www.fltk.org/newsgroups.php?s81+gfltk.general+v92+T0+QZimmer+resample
>
>
>
Thanks, that was helpful!
J.Marcelo Auler
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