/*
 *  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 _BLACKWHITE_H_
#define _BLACKWHITE_H_

#include <gtkmm.h>
#include "adjuster.h"
#include "toolpanel.h"
#include "guiutils.h"
#include "curveeditor.h"
#include "curveeditorgroup.h"
#include "mycurve.h"
#include "colorprovider.h"

class BlackWhite : public Gtk::VBox, public AdjusterListener, public FoldableToolPanel, public rtengine::AutoBWListener, public CurveListener, public ColorProvider{

  protected:
	FlatCurveEditor*     luminanceCurve;
	Gtk::HSeparator*     luminanceSep;
	CurveEditorGroup*    luminanceCEG;
	CurveEditorGroup*    beforeCurveCEG;
	DiagonalCurveEditor* beforeCurve;
	MyComboBoxText*      beforeCurveMode;
	CurveEditorGroup*    afterCurveCEG;
	DiagonalCurveEditor* afterCurve;
	MyComboBoxText*      afterCurveMode;
	Gtk::ToggleButton*   autoch;
	Gtk::HBox*           autoHBox;
	Gtk::Button*         neutral;
	Gtk::Label*          RGBLabels;

	Adjuster *mixerRed;
	Adjuster *mixerGreen;
	Adjuster *mixerBlue;
	Adjuster *gammaRed;
	Adjuster *gammaGreen;
	Adjuster *gammaBlue;
	Adjuster *mixerOrange;
	Adjuster *mixerYellow;
	Adjuster *mixerCyan;
	Adjuster *mixerMagenta;
	Adjuster *mixerPurple;
	MyComboBoxText*   method;
	sigc::connection  methodconn;
	Gtk::HBox*        filterHBox;
	Gtk::HSeparator*  filterSep, *filterSep2;
	MyComboBoxText*   filter;
	sigc::connection  filterconn;
	Gtk::HBox*        settingHBox;
	MyComboBoxText*   setting;
	sigc::connection  settingconn;
	Gtk::Frame* mixerFrame;
	Gtk::VBox * mixerVBox;
	Gtk::Frame* gammaFrame;

	Gtk::Image *imgIcon[11];
	Gtk::CheckButton* enabled;
	bool lastEnabled;
	sigc::connection enaconn;

	Gtk::HSeparator* enabledccSep;
	Gtk::CheckButton* enabledcc;
	bool lastEnabledcc, lastAuto;
	sigc::connection enaccconn,tcmodeconn,tcmodeconn2, autoconn, neutralconn;

	double nextredbw;
	double nextgreenbw;
	double nextbluebw;

	void showLuminance();
	void hideLuminance();
	void showFilter();
	void hideFilter();
	void showEnabledCC();
	void hideEnabledCC();
	void showMixer(int nChannels, bool RGBIsSensitive=true);
	void hideMixer();
	void showGamma();
	void hideGamma();

  public:

	BlackWhite ();
	~BlackWhite ();

	void read            (const rtengine::procparams::ProcParams* pp, const ParamsEdited* pedited=NULL);
	void write           (rtengine::procparams::ProcParams* pp, ParamsEdited* pedited=NULL);
	void setDefaults     (const rtengine::procparams::ProcParams* defParams, const ParamsEdited* pedited=NULL);
	void setBatchMode    (bool batchMode);
	void autoOpenCurve   ();

	void autoch_toggled  ();
	void neutral_pressed ();

	void updateRGBLabel      ();
	void adjusterChanged     (Adjuster* a, double newval);
	void setAdjusterBehavior (bool bwadd, bool bwgadd);
	void trimValues          (rtengine::procparams::ProcParams* pp);
	void enabledcc_toggled   ();
	void enabled_toggled     ();
	void methodChanged       ();
	void filterChanged       ();
	void settingChanged      ();
	virtual void colorForValue (double valX, double valY, int callerId, ColorCaller* caller);
	void BWChanged           (double redbw, double greenbw, double bluebw);
	bool BWComputed_         ();
	void curveChanged        (CurveEditor* ce);
	void curveMode1Changed   ();
	bool curveMode1Changed_  ();
	void curveMode1Changed2  ();
	bool curveMode1Changed2_ ();

	Glib::ustring getSettingString ();
	Glib::ustring getFilterString  ();
};

#endif
