Fl_Color_Chooser.H

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//
// "$Id: Fl_Color_Chooser.H 7981 2010-12-08 23:53:04Z greg.ercolano $"
//
// Color chooser header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2010 by Bill Spitzak and others.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems on the following page:
//
//     http://www.fltk.org/str.php
//

 
// The color chooser object and the color chooser popup.  The popup
// is just a window containing a single color chooser and some boxes
// to indicate the current and cancelled color.
 
#ifndef Fl_Color_Chooser_H
#define Fl_Color_Chooser_H
 
#include <FL/Fl_Group.H>
#include <FL/Fl_Box.H>
#include <FL/Fl_Return_Button.H>
#include <FL/Fl_Choice.H>
#include <FL/Fl_Value_Input.H>
 
#ifndef FL_DOXYGEN

class FL_EXPORT Flcc_HueBox : public Fl_Widget {
  int px, py;
protected:
  void draw();
  int handle_key(int);
public:
  int handle(int);
  Flcc_HueBox(int X, int Y, int W, int H) : Fl_Widget(X,Y,W,H) {
  px = py = 0;}
};

class FL_EXPORT Flcc_ValueBox : public Fl_Widget {
  int py;
protected:
  void draw();
  int handle_key(int);
public:
  int handle(int);
  Flcc_ValueBox(int X, int Y, int W, int H) : Fl_Widget(X,Y,W,H) {
  py = 0;}
};

class FL_EXPORT Flcc_Value_Input : public Fl_Value_Input {
public:
  int format(char*);
  Flcc_Value_Input(int X, int Y, int W, int H) : Fl_Value_Input(X,Y,W,H) {}
};
 
#endif // !FL_DOXYGEN


class FL_EXPORT Fl_Color_Chooser : public Fl_Group {
  Flcc_HueBox huebox;
  Flcc_ValueBox valuebox;
  Fl_Choice choice;
  Flcc_Value_Input rvalue;
  Flcc_Value_Input gvalue;
  Flcc_Value_Input bvalue;
  Fl_Box resize_box;
  double hue_, saturation_, value_;
  double r_, g_, b_;
  void set_valuators();
  static void rgb_cb(Fl_Widget*, void*);
  static void mode_cb(Fl_Widget*, void*);
public:
  
  int mode() {return choice.value();}
  
  void mode(int newMode);
  
  double hue() const {return hue_;}

  double saturation() const {return saturation_;}

  double value() const {return value_;}

  double r() const {return r_;}

  double g() const {return g_;}

  double b() const {return b_;}
 
  int hsv(double H, double S, double V);
 
  int rgb(double R, double G, double B);
 
  static void hsv2rgb(double H, double S, double V, double& R, double& G, double& B);
 
  static void rgb2hsv(double R, double G, double B, double& H, double& S, double& V);
 
  Fl_Color_Chooser(int X, int Y, int W, int H, const char *L = 0);
};
 
FL_EXPORT int fl_color_chooser(const char* name, double& r, double& g, double& b, int m=-1);
FL_EXPORT int fl_color_chooser(const char* name, uchar& r, uchar& g, uchar& b, int m=-1);
 
#endif
 
//
// End of "$Id: Fl_Color_Chooser.H 7981 2010-12-08 23:53:04Z greg.ercolano $".
//