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Fix to preserve alpha channel in Rotate90
[wxWidgets.git] / src / mgl / colour.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: colour.cpp
3 // Purpose: wxColour class
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 01/02/97
7 // RCS-ID: $Id$
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
13 #pragma implementation "colour.h"
14 #endif
15
16 // For compilers that support precompilation, includes "wx.h".
17 #include "wx/wxprec.h"
18
19 #ifdef __BORLANDC__
20 #pragma hdrstop
21 #endif
22
23 #include "wx/gdicmn.h"
24 #include "wx/colour.h"
25
26 IMPLEMENT_DYNAMIC_CLASS(wxColour, wxObject)
27
28 // Colour
29
30 void wxColour::Init()
31 {
32 m_red =
33 m_blue =
34 m_green = 0;
35 m_isInit = false;
36 }
37
38 wxColour::wxColour()
39 {
40 Init();
41 }
42
43 wxColour::wxColour(const wxColour& col)
44 {
45 *this = col;
46 }
47
48 wxColour& wxColour::operator =(const wxColour& col)
49 {
50 m_red = col.m_red;
51 m_green = col.m_green;
52 m_blue = col.m_blue;
53 m_isInit = col.m_isInit;
54 return *this;
55 }
56
57 void wxColour::InitFromName(const wxString& name)
58 {
59 if ( wxTheColourDatabase )
60 {
61 wxColour col = wxTheColourDatabase->Find(name);
62 if ( col.Ok() )
63 {
64 *this = col;
65 return;
66 }
67 }
68
69 // leave invalid
70 Init();
71 }
72
73 wxColour::~wxColour()
74 {
75 }
76
77 void wxColour::Set(unsigned char r, unsigned char g, unsigned char b)
78 {
79 m_red = r;
80 m_green = g;
81 m_blue = b;
82 m_isInit = true;
83 }