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1\section{\class{wxMask}}\label{wxmask}
2
3This class encapsulates a monochrome mask bitmap, where the masked area is black and
4the unmasked area is white.
5
6\wxheading{Derived from}
7
8\helpref{wxObject}{wxobject}
9
10\wxheading{Remarks}
11
12A mask may be associated with a \helpref{wxBitmap}{wxbitmap}. It is used in \helpref{wxDC::Blit}{wxdcblit} when
13the source device context is a \helpref{wxMemoryDC}{wxmemorydc} with wxBitmap selected into it that
14contains a mask.
15
16\wxheading{See also}
17
18\helpref{wxBitmap}{wxbitmap}, \helpref{wxDC::Blit}{wxdcblit}, \helpref{wxMemoryDC}{wxmemorydc}
19
20\latexignore{\rtfignore{\wxheading{Members}}}
21
22\membersection{wxMask::wxMask}\label{wxmaskconstr}
23
24\func{}{wxMask}{\void}
25
26Default constructor.
27
28\func{}{wxMask}{\param{const wxBitmap\& }{bitmap}}
29
30Constructs a mask from a monochrome bitmap.
31
32\func{}{wxMask}{\param{const wxBitmap\& }{bitmap}, \param{const wxColour\& }{colour}}
33
34Constructs a mask from a bitmap and a colour that indicates the background.
35
36\func{}{wxMask}{\param{const wxBitmap\& }{bitmap}, \param{int}{ index}}
37
38Constructs a mask from a bitmap and a palette index that indicates the background.
39
40\wxheading{Parameters}
41
42\docparam{bitmap}{A valid bitmap.}
43
44\docparam{colour}{A colour specifying the transparency RGB values.}
45
46\docparam{index}{Index into a palette, specifying the transparency colour.}
47
48\membersection{wxMask::\destruct{wxMask}}
49
50\func{}{\destruct{wxMask}}{\void}
51
52Destroys the wxMask object and the underlying bitmap data.
53
54\membersection{wxMask::Create}\label{wxmaskcreate}
55
56\func{bool}{Create}{\param{const wxBitmap\& }{bitmap}}
57
58Constructs a mask from a monochrome bitmap.
59
60\func{bool}{Create}{\param{const wxBitmap\& }{bitmap}, \param{const wxColour\& }{colour}}
61
62Constructs a mask from a bitmap and a colour that indicates the background.
63
64\func{bool}{Create}{\param{const wxBitmap\& }{bitmap}, \param{int}{ index}}
65
66Constructs a mask from a bitmap and a palette index that indicates the background.
67
68\wxheading{Parameters}
69
70\docparam{bitmap}{A valid bitmap.}
71
72\docparam{colour}{A colour specifying the transparency RGB values.}
73
74\docparam{index}{Index into a palette, specifying the transparency colour.}
75
76