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wx.Mask¶

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.

Note

A mask can be associated also with a bitmap with an alpha channel but drawing such bitmaps under wxMSW may be slow so using them should be avoided if drawing performance is an important factor.

Class Hierarchy¶

Inheritance diagram for class Mask:

Methods Summary¶

`__init__`	Default constructor.
`GetBitmap`	Returns the mask as a monochrome bitmap.

Properties Summary¶

Bitmap

See GetBitmap

Class API¶

class wx.Mask(Object)¶

Possible constructors:

Mask() -> None

Mask(bitmap, index) -> None

Mask(bitmap) -> None

Mask(bitmap, colour) -> None

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

Methods¶

__init__(self, *args, **kw)¶

Overloaded Implementations:

__init__ (self)

Default constructor.

Return type:: None

__init__ (self, bitmap, index)

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

Not implemented for GTK.

Parameters:

bitmap (wx.Bitmap) – A valid bitmap.
index (int) – Index into a palette, specifying the transparency colour.

Return type:

None

__init__ (self, bitmap)

Constructs a mask from a monochrome bitmap.

Parameters:: bitmap (wx.Bitmap)
Return type:: None

__init__ (self, bitmap, colour)

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

Parameters:

bitmap (wx.Bitmap)
colour (wx.Colour)

Return type:

None

GetBitmap(self)¶

Returns the mask as a monochrome bitmap.

Currently this method is implemented in wxMSW, wxGTK and wxOSX.

Return type:: wx.Bitmap

Added in version 2.9.5.

Properties¶

Bitmap¶: See GetBitmap

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