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Improve Fl_Screen_Driver::traverse_to_gl_subwindows() so it can be called for a window that is not current.

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git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12923 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Manolo Gouy 2018-05-17 14:27:41 +00:00
parent 509c5be0d5
commit 7ab8906ef0
1 changed files with 1 additions and 1 deletions
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2
src/Fl_Screen_Driver.cxx
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@ -192,7 +192,7 @@ Fl_RGB_Image *Fl_Screen_Driver::traverse_to_gl_subwindows(Fl_Group *g, int x, in
full_img = pi->rectangle_capture(g, x, y, w, h);
}
else if ( g->as_window() ) {
if (full_img) g->as_window()->make_current();
if (Fl_Window::current() != g) g->as_window()->make_current();
full_img = Fl::screen_driver()->read_win_rectangle(x, y, w, h);
}
float full_img_scale = (full_img && w > 0 ? float(full_img->data_w())/w : 1);