Reapplied Hombres patch (revision c006f93a5f) as it got lost on the way.

rtgui/utils.cc

@@ -0,0 +1,39 @@
+/*
+ *  This file is part of RawTherapee.
+ *
+ *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
+ *
+ *  RawTherapee is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  RawTherapee is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <guiutils.h>
+#include <options.h>
+
+void removeIfThere (Gtk::Container* cont, Gtk::Widget* w) {
+
+    Glib::ListHandle<Gtk::Widget*> list = cont->get_children ();
+    Glib::ListHandle<Gtk::Widget*>::iterator i = list.begin ();
+    for (; i!=list.end() && *i!=w; i++);
+    if (i!=list.end()) {
+        w->reference ();
+        cont->remove (*w);
+    }
+}
+
+void thumbInterp (const unsigned char* src, int sw, int sh, unsigned char* dst, int dw, int dh) {
+
+    if (options.thumbInterp==0)
+        rtengine::nearestInterp (src, sw, sh, dst, dw, dh);
+    else if (options.thumbInterp==1)
+        rtengine::bilinearInterp (src, sw, sh, dst, dw, dh);
+}