c91108763b
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5115 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
88 lines
2.4 KiB
TeX
88 lines
2.4 KiB
TeX
\section{\class{wxMask}}\label{wxmask}
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This class encapsulates a monochrome mask bitmap, where the masked area is black and
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the unmasked area is white.
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\wxheading{Derived from}
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\helpref{wxObject}{wxobject}
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\wxheading{Include files}
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<wx/bitmap.h>
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\wxheading{Remarks}
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A mask may be associated with a \helpref{wxBitmap}{wxbitmap}. It is used in \helpref{wxDC::Blit}{wxdcblit} when
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the source device context is a \helpref{wxMemoryDC}{wxmemorydc} with wxBitmap selected into it that
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contains a mask.
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\wxheading{See also}
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\helpref{wxBitmap}{wxbitmap}, \helpref{wxDC::Blit}{wxdcblit}, \helpref{wxMemoryDC}{wxmemorydc}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxMask::wxMask}\label{wxmaskconstr}
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\func{}{wxMask}{\void}
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Default constructor.
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\func{}{wxMask}{\param{const wxBitmap\& }{bitmap}}
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Constructs a mask from a monochrome bitmap.
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\pythonnote{This is the default constructor for wxMask in wxPython.}
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\func{}{wxMask}{\param{const wxBitmap\& }{bitmap}, \param{const wxColour\& }{colour}}
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Constructs a mask from a bitmap and a colour that indicates the background.
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\pythonnote{wxPython has an alternate wxMask constructor matching this
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form called {\tt wxMaskColour}.}
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\func{}{wxMask}{\param{const wxBitmap\& }{bitmap}, \param{int}{ index}}
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Constructs a mask from a bitmap and a palette index that indicates the background. Not
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yet implemented for GTK.
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\wxheading{Parameters}
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\docparam{bitmap}{A valid bitmap.}
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\docparam{colour}{A colour specifying the transparency RGB values.}
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\docparam{index}{Index into a palette, specifying the transparency colour.}
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\membersection{wxMask::\destruct{wxMask}}
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\func{}{\destruct{wxMask}}{\void}
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Destroys the wxMask object and the underlying bitmap data.
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\membersection{wxMask::Create}\label{wxmaskcreate}
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\func{bool}{Create}{\param{const wxBitmap\& }{bitmap}}
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Constructs a mask from a monochrome bitmap.
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\func{bool}{Create}{\param{const wxBitmap\& }{bitmap}, \param{const wxColour\& }{colour}}
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Constructs a mask from a bitmap and a colour that indicates the background.
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\func{bool}{Create}{\param{const wxBitmap\& }{bitmap}, \param{int}{ index}}
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Constructs a mask from a bitmap and a palette index that indicates the background. Not
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yet implemented for GTK.
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\wxheading{Parameters}
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\docparam{bitmap}{A valid bitmap.}
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\docparam{colour}{A colour specifying the transparency RGB values.}
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\docparam{index}{Index into a palette, specifying the transparency colour.}
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