wxMask Class Reference

#include </home/zeitlin/src/wx/github/interface/wx/bitmap.h>

Inheritance diagram for wxMask:

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Detailed Description

This class encapsulates a monochrome mask bitmap, where the masked area is black and the unmasked area is white.

When associated with a bitmap and drawn in a device context, the unmasked area of the bitmap will be drawn, and the masked area will not be drawn.

Library:  wxCore

Category:  Graphics Device Interface (GDI)

参照:

wxBitmap, wxDC::Blit, wxMemoryDC

Public Member Functions
	wxMask ()
	Default constructor.
	wxMask (const wxBitmap &bitmap, int index)
	Constructs a mask from a bitmap and a palette index that indicates the background.
	wxMask (const wxBitmap &bitmap)
	Constructs a mask from a monochrome bitmap.
	wxMask (const wxBitmap &bitmap, const wxColour &colour)
	Constructs a mask from a bitmap and a colour that indicates the background.
virtual	~wxMask ()
	Destroys the wxMask object and the underlying bitmap data.
bool	Create (const wxBitmap &bitmap, int index)
	Constructs a mask from a bitmap and a palette index that indicates the background.
bool	Create (const wxBitmap &bitmap)
	Constructs a mask from a monochrome bitmap.
bool	Create (const wxBitmap &bitmap, const wxColour &colour)
	Constructs a mask from a bitmap and a colour that indicates the background.

List of all members.

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Constructor & Destructor Documentation

wxMask::wxMask

(

)

Default constructor.

wxMask::wxMask	(	const wxBitmap &	bitmap,
		int	index
	)

Constructs a mask from a bitmap and a palette index that indicates the background.

Not yet implemented for GTK.

Parameters:

bitmap	A valid bitmap.
index	Index into a palette, specifying the transparency colour.

wxMask::wxMask

(

const wxBitmap &

bitmap

)

Constructs a mask from a monochrome bitmap.

wxMask::wxMask	(	const wxBitmap &	bitmap,
		const wxColour &	colour
	)

Constructs a mask from a bitmap and a colour that indicates the background.

virtual wxMask::~wxMask

(

)

[virtual]

Destroys the wxMask object and the underlying bitmap data.

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Member Function Documentation

bool wxMask::Create	(	const wxBitmap &	bitmap,
		int	index
	)

Constructs a mask from a bitmap and a palette index that indicates the background.

Not yet implemented for GTK.

Parameters:

bitmap	A valid bitmap.
index	Index into a palette, specifying the transparency colour.

bool wxMask::Create	(	const wxBitmap &	bitmap,
		const wxColour &	colour
	)

Constructs a mask from a bitmap and a colour that indicates the background.

bool wxMask::Create

(

const wxBitmap &

bitmap

)

Constructs a mask from a monochrome bitmap.