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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: 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 | #ifdef __GNUG__ | |
16 | #pragma interface "colour.h" | |
17 | #endif | |
18 | ||
19 | #include "wx/object.h" | |
20 | #include "wx/string.h" | |
21 | ||
22 | // Colour | |
23 | class WXDLLEXPORT wxColour : public wxObject | |
24 | { | |
25 | DECLARE_DYNAMIC_CLASS(wxColour) | |
26 | public: | |
27 | // ctors | |
28 | // default | |
29 | wxColour(); | |
30 | // from RGB | |
31 | wxColour( unsigned char red, unsigned char green, unsigned char blue ); | |
32 | wxColour( unsigned long colRGB ) { Set(colRGB); } | |
33 | ||
34 | // implicit conversion from the colour name | |
35 | wxColour( const wxString &colourName ) { InitFromName(colourName); } | |
36 | wxColour( const char *colourName ) { InitFromName(colourName); } | |
37 | ||
38 | // copy ctors and assignment operators | |
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 | unsigned char Red() const { return m_red; } | |
59 | unsigned char Green() const { return m_green; } | |
60 | unsigned char Blue() const { return m_blue; } | |
61 | ||
62 | int GetPixel() const { return m_pixel; }; | |
63 | void SetPixel(int pixel) { m_pixel = pixel; m_isInit = TRUE; }; | |
64 | ||
65 | inline bool operator == (const wxColour& colour) const { return (m_red == colour.m_red && m_green == colour.m_green && m_blue == colour.m_blue); } | |
66 | ||
67 | inline bool operator != (const wxColour& colour) const { return (!(m_red == colour.m_red && m_green == colour.m_green && m_blue == colour.m_blue)); } | |
68 | ||
69 | // Allocate a colour, or nearest colour, using the given display. | |
70 | // If realloc is TRUE, ignore the existing pixel, otherwise just return | |
71 | // the existing one. | |
72 | // Returns the allocated pixel. | |
73 | ||
74 | // TODO: can this handle mono displays? If not, we should have an extra | |
75 | // flag to specify whether this should be black or white by default. | |
76 | ||
77 | int AllocColour(WXDisplay* display, bool realloc = FALSE); | |
78 | ||
79 | void InitFromName(const wxString& col); | |
80 | ||
81 | private: | |
82 | bool m_isInit; | |
83 | unsigned char m_red; | |
84 | unsigned char m_blue; | |
85 | unsigned char m_green; | |
86 | ||
87 | public: | |
88 | int m_pixel; | |
89 | }; | |
90 | ||
91 | #endif | |
92 | // _WX_COLOUR_H_ |