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git.saurik.com Git - wxWidgets.git/blob - include/wx/motif/colour.h
1 /////////////////////////////////////////////////////////////////////////////
3 // Purpose: wxColour class
4 // Author: Julian Smart
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
15 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
16 #pragma interface "colour.h"
19 #include "wx/object.h"
20 #include "wx/string.h"
23 class WXDLLEXPORT wxColour
: public wxObject
25 DECLARE_DYNAMIC_CLASS(wxColour
)
31 wxColour( unsigned char red
, unsigned char green
, unsigned char blue
)
32 { Set(red
, green
, blue
); }
33 wxColour( unsigned long colRGB
) { Set(colRGB
); }
35 // implicit conversion from the colour name
36 wxColour( const wxString
&colourName
) { InitFromName(colourName
); }
37 wxColour( const char *colourName
) { InitFromName(colourName
); }
39 // copy ctors and assignment operators
40 wxColour( const wxColour
& col
);
41 wxColour
& operator = ( const wxColour
& col
);
47 void Set( unsigned char red
, unsigned char green
, unsigned char blue
);
48 void Set( unsigned long colRGB
)
50 // we don't need to know sizeof(long) here because we assume that the three
51 // least significant bytes contain the R, G and B values
52 Set((unsigned char)colRGB
,
53 (unsigned char)(colRGB
>> 8),
54 (unsigned char)(colRGB
>> 16));
58 bool Ok() const {return m_isInit
; }
59 unsigned char Red() const { return m_red
; }
60 unsigned char Green() const { return m_green
; }
61 unsigned char Blue() const { return m_blue
; }
63 int GetPixel() const { return m_pixel
; };
64 void SetPixel(int pixel
) { m_pixel
= pixel
; m_isInit
= TRUE
; };
66 inline bool operator == (const wxColour
& colour
) const { return (m_red
== colour
.m_red
&& m_green
== colour
.m_green
&& m_blue
== colour
.m_blue
); }
68 inline bool operator != (const wxColour
& colour
) const { return (!(m_red
== colour
.m_red
&& m_green
== colour
.m_green
&& m_blue
== colour
.m_blue
)); }
70 // Get colour from name or wxNullColour
71 static wxColour
CreateByName(const wxString
& name
);
73 // Allocate a colour, or nearest colour, using the given display.
74 // If realloc is TRUE, ignore the existing pixel, otherwise just return
76 // Returns the allocated pixel.
78 // TODO: can this handle mono displays? If not, we should have an extra
79 // flag to specify whether this should be black or white by default.
81 int AllocColour(WXDisplay
* display
, bool realloc
= FALSE
);
83 void InitFromName(const wxString
& col
);
89 unsigned char m_green
;