FLTK 1.3.8: Fl_Color_Chooser.H Source File

FLTK 1.3.8

Fl_Color_Chooser.H
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1//
2// "$Id$"
3//
4// Color chooser header file for the Fast Light Tool Kit (FLTK).
5//
6// Copyright 1998-2010 by Bill Spitzak and others.
7//
8// This library is free software. Distribution and use rights are outlined in
9// the file "COPYING" which should have been included with this file. If this
10// file is missing or damaged, see the license at:
11//
12// http://www.fltk.org/COPYING.php
13//
14// Please report all bugs and problems on the following page:
15//
16// http://www.fltk.org/str.php
17//
18
22// The color chooser object and the color chooser popup. The popup
23// is just a window containing a single color chooser and some boxes
24// to indicate the current and cancelled color.
25
26#ifndef Fl_Color_Chooser_H
27#define Fl_Color_Chooser_H
28
29#include <FL/Fl_Group.H>
30#include <FL/Fl_Box.H>
31#include <FL/Fl_Return_Button.H>
32#include <FL/Fl_Choice.H>
33#include <FL/Fl_Value_Input.H>
34
35#ifndef FL_DOXYGEN
36
38class FL_EXPORT Flcc_HueBox : public Fl_Widget {
39 int px, py;
40protected:
41 void draw();
42 int handle_key(int);
43public:
44 int handle(int);
45 Flcc_HueBox(int X, int Y, int W, int H) : Fl_Widget(X,Y,W,H) {
46 px = py = 0;}
47};
48
50class FL_EXPORT Flcc_ValueBox : public Fl_Widget {
51 int py;
52protected:
53 void draw();
54 int handle_key(int);
55public:
56 int handle(int);
57 Flcc_ValueBox(int X, int Y, int W, int H) : Fl_Widget(X,Y,W,H) {
58 py = 0;}
59};
60
62class FL_EXPORT Flcc_Value_Input : public Fl_Value_Input {
63public:
64 int format(char*);
65 Flcc_Value_Input(int X, int Y, int W, int H) : Fl_Value_Input(X,Y,W,H) {}
66};
67
68#endif // !FL_DOXYGEN
69
107 class FL_EXPORT Fl_Color_Chooser : public Fl_Group {
108 Flcc_HueBox huebox;
109 Flcc_ValueBox valuebox;
110 Fl_Choice choice;
111 Flcc_Value_Input rvalue;
112 Flcc_Value_Input gvalue;
113 Flcc_Value_Input bvalue;
114 Fl_Box resize_box;
115 double hue_, saturation_, value_;
116 double r_, g_, b_;
117 void set_valuators();
118 static void rgb_cb(Fl_Widget*, void*);
119 static void mode_cb(Fl_Widget*, void*);
120public:
121
126 int mode() {return choice.value();}
127
132 void mode(int newMode);
133
140 double hue() const {return hue_;}
141
146 double saturation() const {return saturation_;}
147
152 double value() const {return value_;}
153
158 double r() const {return r_;}
159
164 double g() const {return g_;}
165
170 double b() const {return b_;}
171
172 int hsv(double H, double S, double V);
173
174 int rgb(double R, double G, double B);
175
176 static void hsv2rgb(double H, double S, double V, double& R, double& G, double& B);
177
178 static void rgb2hsv(double R, double G, double B, double& H, double& S, double& V);
179
180 Fl_Color_Chooser(int X, int Y, int W, int H, const char *L = 0);
181};
182
183FL_EXPORT int fl_color_chooser(const char* name, double& r, double& g, double& b, int m=-1);
184FL_EXPORT int fl_color_chooser(const char* name, uchar& r, uchar& g, uchar& b, int m=-1);
185
186#endif
187
188//
189// End of "$Id$".
190//
Fl_Box
This widget simply draws its box, and possibly its label.
Definition: Fl_Box.H:34
Fl_Choice
A button that is used to pop up a menu.
Definition: Fl_Choice.H:83
Fl_Choice::value
int value() const
Gets the index of the last item chosen by the user.
Definition: Fl_Choice.H:95
Fl_Color_Chooser
The Fl_Color_Chooser widget provides a standard RGB color chooser.
Definition: Fl_Color_Chooser.H:107
Fl_Color_Chooser::hue
double hue() const
Returns the current hue.
Definition: Fl_Color_Chooser.H:140
Fl_Color_Chooser::value
double value() const
Returns the value/brightness.
Definition: Fl_Color_Chooser.H:152
Fl_Color_Chooser::g
double g() const
Returns the current green value.
Definition: Fl_Color_Chooser.H:164
Fl_Color_Chooser::b
double b() const
Returns the current blue value.
Definition: Fl_Color_Chooser.H:170
Fl_Color_Chooser::r
double r() const
Returns the current red value.
Definition: Fl_Color_Chooser.H:158
Fl_Color_Chooser::mode
int mode()
Returns which Fl_Color_Chooser variant is currently active.
Definition: Fl_Color_Chooser.H:126
Fl_Color_Chooser::saturation
double saturation() const
Returns the saturation.
Definition: Fl_Color_Chooser.H:146
Fl_Group
The Fl_Group class is the FLTK container widget.
Definition: Fl_Group.H:41
Fl_Value_Input
The Fl_Value_Input widget displays a numeric value.
Definition: Fl_Value_Input.H:56
Fl_Widget
Fl_Widget is the base class for all widgets in FLTK.
Definition: Fl_Widget.H:101
Fl_Widget::draw
virtual void draw()=0
Draws the widget.
Fl_Widget::handle
virtual int handle(int event)
Handles the specified event.
Definition: Fl_Widget.cxx:112
uchar
unsigned char uchar
unsigned char
Definition: fl_types.h:30
Fl_Color_Chooser::fl_color_chooser
int fl_color_chooser(const char *name, double &r, double &g, double &b, int cmode)
Pops up a window to let the user pick an arbitrary RGB color.
Definition: Fl_Color_Chooser.cxx:564
- Copyright © 1998-2021 by Bill Spitzak and others.