Pipette and "On Preview Widgets" branch. See issue 227

The pipette part is already working quite nice but need to be finished. The widgets part needs more work...

rtgui/preprocess.h

@@ -0,0 +1,53 @@
+/*
+ *  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/>.
+ */
+#ifndef _PREPROCESS_H_
+#define _PREPROCESS_H_
+
+#include <gtkmm.h>
+#include "adjuster.h"
+#include "toolpanel.h"
+#include "../rtengine/rawimage.h"
+
+class PreProcess : public Gtk::VBox, public AdjusterListener, public FoldableToolPanel {
+
+  protected:
+
+    Adjuster* lineDenoise;
+
+    Adjuster* greenEqThreshold;
+    Gtk::CheckButton* hotDeadPixel;
+	bool lastHot;
+	sigc::connection hdpixelconn;
+
+  public:
+
+    PreProcess ();
+
+    void read           (const rtengine::procparams::ProcParams* pp, const ParamsEdited* pedited=NULL);
+    void write          (rtengine::procparams::ProcParams* pp, ParamsEdited* pedited=NULL);
+    void setBatchMode   (bool batchMode);
+    void setDefaults    (const rtengine::procparams::ProcParams* defParams, const ParamsEdited* pedited=NULL);
+
+    void adjusterChanged     (Adjuster* a, double newval);
+    void hotDeadPixelChanged();
+    void setAdjusterBehavior (bool linedenoiseadd, bool greenequiladd);
+    void trimValues          (rtengine::procparams::ProcParams* pp);
+};
+
+#endif