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[wxWidgets.git] / include / wx / motif / colour.h
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/motif/colour.h
3 // Purpose: wxColour class
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 17/09/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
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 wxColourBase
20 {
21 DECLARE_DYNAMIC_CLASS(wxColour)
22 public:
23 // constructors
24 // ------------
25
26 // default
27 wxColour() { Init(); }
28 DEFINE_STD_WXCOLOUR_CONSTRUCTORS
29
30 // copy ctors and assignment operators
31 wxColour( const wxColour& col );
32 wxColour& operator = ( const wxColour& col );
33
34 // dtor
35 virtual ~wxColour();
36
37
38 // accessors
39 bool Ok() const { return IsOk(); }
40 bool IsOk() const {return m_isInit; }
41 unsigned char Red() const { return m_red; }
42 unsigned char Green() const { return m_green; }
43 unsigned char Blue() const { return m_blue; }
44
45 WXPixel GetPixel() const { return m_pixel; };
46 void SetPixel(WXPixel pixel) { m_pixel = pixel; m_isInit = true; };
47
48 inline bool operator == (const wxColour& colour) const { return (m_red == colour.m_red && m_green == colour.m_green && m_blue == colour.m_blue); }
49
50 inline bool operator != (const wxColour& colour) const { return (!(m_red == colour.m_red && m_green == colour.m_green && m_blue == colour.m_blue)); }
51
52 // Allocate a colour, or nearest colour, using the given display.
53 // If realloc is true, ignore the existing pixel, otherwise just return
54 // the existing one.
55 // Returns the allocated pixel.
56
57 // TODO: can this handle mono displays? If not, we should have an extra
58 // flag to specify whether this should be black or white by default.
59
60 WXPixel AllocColour(WXDisplay* display, bool realloc = false);
61
62 protected:
63 // Helper function
64 void Init();
65
66 virtual void
67 InitRGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
68
69 private:
70 bool m_isInit;
71 unsigned char m_red;
72 unsigned char m_blue;
73 unsigned char m_green;
74
75 public:
76 WXPixel m_pixel;
77 };
78
79 #endif
80 // _WX_COLOUR_H_