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Contents of /trunk/3rdparty/wxWidgets/include/wx/colour.h

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Revision 10 - (show annotations) (download)
Mon Sep 6 11:40:06 2010 UTC (9 years, 5 months ago) by william
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exported r3113 from ./upstream/trunk
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: wx/colour.h
3 // Purpose: wxColourBase definition
4 // Author: Julian Smart
5 // Modified by: Francesco Montorsi
6 // Created:
7 // RCS-ID: $Id: colour.h 53135 2008-04-12 02:31:04Z VZ $
8 // Copyright: Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_COLOUR_H_BASE_
13 #define _WX_COLOUR_H_BASE_
14
15 #include "wx/defs.h"
16 #include "wx/gdiobj.h"
17
18
19 class WXDLLIMPEXP_FWD_CORE wxColour;
20
21 // the standard wxColour constructors;
22 // this macro avoids to repeat these lines across all colour.h files, since
23 // Set() is a virtual function and thus cannot be called by wxColourBase
24 // constructors
25 #define DEFINE_STD_WXCOLOUR_CONSTRUCTORS \
26 wxColour( ChannelType red, ChannelType green, ChannelType blue, \
27 ChannelType alpha = wxALPHA_OPAQUE ) \
28 { Set(red, green, blue, alpha); } \
29 wxColour( unsigned long colRGB ) { Set(colRGB); } \
30 wxColour(const wxString &colourName) { Set(colourName); } \
31 wxColour(const wxChar *colourName) { Set(colourName); }
32
33
34 // flags for wxColour -> wxString conversion (see wxColour::GetAsString)
35 #define wxC2S_NAME 1 // return colour name, when possible
36 #define wxC2S_CSS_SYNTAX 2 // return colour in rgb(r,g,b) syntax
37 #define wxC2S_HTML_SYNTAX 4 // return colour in #rrggbb syntax
38
39
40 const unsigned char wxALPHA_TRANSPARENT = 0;
41 const unsigned char wxALPHA_OPAQUE = 0xff;
42
43 // ----------------------------------------------------------------------------
44 // wxVariant support
45 // ----------------------------------------------------------------------------
46
47 #if wxUSE_VARIANT
48 #include "wx/variant.h"
49 DECLARE_VARIANT_OBJECT_EXPORTED(wxColour,WXDLLEXPORT)
50 #endif
51
52 //-----------------------------------------------------------------------------
53 // wxColourBase: this class has no data members, just some functions to avoid
54 // code redundancy in all native wxColour implementations
55 //-----------------------------------------------------------------------------
56
57 class WXDLLEXPORT wxColourBase : public wxGDIObject
58 {
59 public:
60 // type of a single colour component
61 typedef unsigned char ChannelType;
62
63 wxColourBase() {}
64 virtual ~wxColourBase() {}
65
66
67 // Set() functions
68 // ---------------
69
70 void Set(ChannelType red,
71 ChannelType green,
72 ChannelType blue,
73 ChannelType alpha = wxALPHA_OPAQUE)
74 { InitRGBA(red,green,blue, alpha); }
75
76 // implemented in colourcmn.cpp
77 bool Set(const wxChar *str)
78 { return FromString(str); }
79
80 bool Set(const wxString &str)
81 { return FromString(str); }
82
83 void Set(unsigned long colRGB)
84 {
85 // we don't need to know sizeof(long) here because we assume that the three
86 // least significant bytes contain the R, G and B values
87 Set((ChannelType)(0xFF & colRGB),
88 (ChannelType)(0xFF & (colRGB >> 8)),
89 (ChannelType)(0xFF & (colRGB >> 16)));
90 }
91
92
93
94 // accessors
95 // ---------
96
97 virtual bool Ok() const { return IsOk(); }
98 virtual bool IsOk() const = 0;
99
100 virtual ChannelType Red() const = 0;
101 virtual ChannelType Green() const = 0;
102 virtual ChannelType Blue() const = 0;
103 virtual ChannelType Alpha() const
104 { return wxALPHA_OPAQUE ; }
105
106 // implemented in colourcmn.cpp
107 virtual wxString GetAsString(long flags = wxC2S_NAME | wxC2S_CSS_SYNTAX) const;
108
109
110
111 // old, deprecated
112 // ---------------
113
114 #if WXWIN_COMPATIBILITY_2_6
115 wxDEPRECATED( static wxColour CreateByName(const wxString& name) );
116 wxDEPRECATED( void InitFromName(const wxString& col) );
117 #endif
118
119 protected:
120 virtual void
121 InitRGBA(ChannelType r, ChannelType g, ChannelType b, ChannelType a) = 0;
122
123 virtual bool FromString(const wxChar *s);
124 };
125
126
127
128 #if defined(__WXPALMOS__)
129 #include "wx/generic/colour.h"
130 #elif defined(__WXMSW__)
131 #include "wx/msw/colour.h"
132 #elif defined(__WXMOTIF__)
133 #include "wx/motif/colour.h"
134 #elif defined(__WXGTK20__)
135 #include "wx/gtk/colour.h"
136 #elif defined(__WXGTK__)
137 #include "wx/gtk1/colour.h"
138 #elif defined(__WXMGL__)
139 #include "wx/generic/colour.h"
140 #elif defined(__WXDFB__)
141 #include "wx/generic/colour.h"
142 #elif defined(__WXX11__)
143 #include "wx/x11/colour.h"
144 #elif defined(__WXMAC__)
145 #include "wx/mac/colour.h"
146 #elif defined(__WXCOCOA__)
147 #include "wx/cocoa/colour.h"
148 #elif defined(__WXPM__)
149 #include "wx/os2/colour.h"
150 #endif
151
152 #define wxColor wxColour
153
154 #endif // _WX_COLOUR_H_BASE_

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