if no b/a area enabled some speed up when opening images

rtengine/loadinitial.cc

@@ -0,0 +1,43 @@
+/*
+ *  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 <rtengine.h>
+#include <stdimagesource.h>
+#include <rawimagesource.h>
+
+namespace rtengine {
+
+InitialImage* InitialImage::load (const Glib::ustring& fname, bool isRaw, int* errorCode, ProgressListener* pl) {
+
+    ImageSource* isrc;
+
+    if (!isRaw) 
+        isrc = new StdImageSource ();
+    else 
+        isrc = new RawImageSource ();
+
+    isrc->setProgressListener (pl);
+    *errorCode = isrc->load (fname);
+    if (*errorCode) {
+        delete isrc;    
+        return NULL;
+    }
+    return isrc;
+}
+}
+