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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: colour.h
3 // Purpose: wxColour class
4 // Author: Stefan Csomor
5 // Modified by:
6 // Created: 1998-01-01
7 // RCS-ID: $Id$
8 // Copyright: (c) Stefan Csomor
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_COLOUR_H_
13 #define _WX_COLOUR_H_
14
15 #include "wx/object.h"
16 #include "wx/string.h"
17
18 // Colour
19 class WXDLLEXPORT wxColour: public wxObject
20 {
21 public:
22 // ctors
23 // default
24 wxColour() { Init(); }
25 // from RGB
26 wxColour( unsigned char red, unsigned char green, unsigned char blue )
27 { Set(red, green, blue); }
28 wxColour( unsigned long colRGB )
29 { Set(colRGB); }
30
31 // implicit conversion from the colour name
32 wxColour( const wxString &colourName )
33 { InitFromName(colourName); }
34 wxColour( const wxChar *colourName )
35 { InitFromName(colourName); }
36
37 // copy ctors and assignment operators
38 wxColour( const wxColour& col );
39 wxColour( const wxColour* col );
40 wxColour& operator = ( const wxColour& col );
41
42 // dtor
43 ~wxColour();
44
45 // Set() functions
46 void Set( unsigned char red, unsigned char green, unsigned char blue );
47 void Set( unsigned long colRGB )
48 {
49 // we don't need to know sizeof(long) here because we assume that the three
50 // least significant bytes contain the R, G and B values
51 Set((unsigned char)colRGB,
52 (unsigned char)(colRGB >> 8),
53 (unsigned char)(colRGB >> 16));
54 }
55
56 // accessors
57 bool Ok() const {return m_isInit; }
58
59 unsigned char Red() const { return m_red; }
60 unsigned char Green() const { return m_green; }
61 unsigned char Blue() const { return m_blue; }
62
63 // comparison
64 bool operator == (const wxColour& colour) const
65 {
66 return (m_isInit == colour.m_isInit
67 && m_red == colour.m_red
68 && m_green == colour.m_green
69 && m_blue == colour.m_blue);
70 }
71 bool operator != (const wxColour& colour) const { return !(*this == colour); }
72
73 const WXCOLORREF& GetPixel() const { return m_pixel; };
74
75 void InitFromName(const wxString& col);
76
77 protected :
78
79 // Helper function
80 void Init();
81
82 private:
83 bool m_isInit;
84 unsigned char m_red;
85 unsigned char m_blue;
86 unsigned char m_green;
87
88 public:
89 WXCOLORREF m_pixel ;
90 void Set( const WXCOLORREF* color ) ;
91
92 private:
93 DECLARE_DYNAMIC_CLASS(wxColour)
94 };
95
96 #endif
97 // _WX_COLOUR_H_