I have by-passed that bug:

sub_win = new fltk3::Window(x, y, w, h);
subwin->begin();

scroll = new fltk3::ScrollGroup(0, 0, w, h);


High costs.

winfried

> Following the advice of Greg Ercolano I have created the
> directories fltk-3.0.x-r9366 and fltk-3.0.x-r9367.
>
> Then I have copied the contents of fltk-3.0.x-r9701 into
> these directories and called 'make distclean'.
>
> Then in fltk-3.0.x-r9366 I have called 'svn update -r9366';
> and in fltk-3.0.x-r9367 I have called 'svn update -r9367'.
>
> Then I have first compiled and installed fltk-3.0.x-r9366,
> then fltk-3.0.x-r9367.
>
> Between fltk-3.0.x-r9366 and fltk-3.0.x-r9367 a bug has been
> inserted into ScrollGroup.
>
> The bug does allow only an origin of (0,0) for a ScrollGroup.
>
> The attached file 'group.cxx' shows that with fltk-3.0.x-r9366
> a BMP file can be scrolled; but with fltk-3.0.x-r9367 scrolling
> the BMP file shows a broken image.
>
> My BMP file has a size of 720x486 to allow scrolling.
>
> winfried

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