1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/********************************************************************************
* *
* C o l o r W h e e l W i d g e t *
* *
*********************************************************************************
* Copyright (C) 2001,2022 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 3 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 Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/> *
********************************************************************************/
#ifndef FXCOLORWHEEL_H
#define FXCOLORWHEEL_H
#ifndef FXFRAME_H
#include "FXFrame.h"
#endif
namespace FX {
class FXImage;
/**
* A ColorWheel is a widget which controls the hue and saturation values of a
* color. It is most often used together with a ColorBar which controls the
* brighness.
* ColorWheel supports justify options to allow control of the placement of
* the wheel inside the rectangular space of the widget.
*/
class FXAPI FXColorWheel : public FXFrame {
FXDECLARE(FXColorWheel)
protected:
FXImage *dial; // HSV dial image
FXfloat hsv[3]; // Hue, saturation, value
FXint dialx; // Dial x location
FXint dialy; // Dial Y location
FXint spotx; // Spot x location
FXint spoty; // Spot Y location
FXString tip; // Tooltip value
FXString help; // Help value
protected:
FXColorWheel();
void updatedial();
void movespot(FXint x,FXint y);
FXbool hstoxy(FXint& x,FXint& y,FXfloat h,FXfloat s) const;
FXbool xytohs(FXfloat& h,FXfloat& s,FXint x,FXint y) const;
private:
FXColorWheel(const FXColorWheel&);
FXColorWheel &operator=(const FXColorWheel&);
public:
long onPaint(FXObject*,FXSelector,void*);
long onLeftBtnPress(FXObject*,FXSelector,void*);
long onLeftBtnRelease(FXObject*,FXSelector,void*);
long onMotion(FXObject*,FXSelector,void*);
long onMouseWheel(FXObject*,FXSelector,void*);
long onCmdSetHelp(FXObject*,FXSelector,void*);
long onCmdGetHelp(FXObject*,FXSelector,void*);
long onCmdSetTip(FXObject*,FXSelector,void*);
long onCmdGetTip(FXObject*,FXSelector,void*);
long onQueryHelp(FXObject*,FXSelector,void*);
long onQueryTip(FXObject*,FXSelector,void*);
public:
/// Construct color wheel with initial color clr
FXColorWheel(FXComposite* p,FXObject* tgt=nullptr,FXSelector sel=0,FXuint opts=FRAME_NORMAL,FXint x=0,FXint y=0,FXint w=0,FXint h=0,FXint pl=DEFAULT_PAD,FXint pr=DEFAULT_PAD,FXint pt=DEFAULT_PAD,FXint pb=DEFAULT_PAD);
/// Create server-side resources
virtual void create();
/// Detach server-side resources
virtual void detach();
/// Perform layout
virtual void layout();
/// Return default width
virtual FXint getDefaultWidth();
/// Return default height
virtual FXint getDefaultHeight();
/// Change hue
void setHue(FXfloat h);
/// Return hue
FXfloat getHue() const { return hsv[0]; }
/// Change saturation
void setSat(FXfloat s);
/// Return saturation
FXfloat getSat() const { return hsv[1]; }
/// Change value
void setVal(FXfloat v);
/// Return value
FXfloat getVal() const { return hsv[2]; }
/// Set hue, saturation, value
void setHueSatVal(FXfloat h,FXfloat s,FXfloat v);
/// Set the current justification mode
void setJustify(FXuint style);
/// Get the current justification mode
FXuint getJustify() const;
/// Set status line help text for this color well
void setHelpText(const FXString& text){ help=text; }
/// Get status line help text for this color well
const FXString& getHelpText() const { return help; }
/// Set tool tip message for this color well
void setTipText(const FXString& text){ tip=text; }
/// Get tool tip message for this color well
const FXString& getTipText() const { return tip; }
/// Save color well to a stream
virtual void save(FXStream& store) const;
/// Load color well from a stream
virtual void load(FXStream& store);
/// Destructor
virtual ~FXColorWheel();
};
}
#endif
|
