AlphaCtrl¶

Implements the drawing, mouse handling and sizing routines for the alpha channel control.

Inheritance Diagram¶

Inheritance diagram for: AlphaCtrl

Inheritance diagram of AlphaCtrl

`__init__`	Default class constructor.
`DrawAlphaShading`	Draws the alpha shading on top of the checkerboard.
`DrawMarkers`	Draws square markers used with mouse gestures.
`OnPaint`	Handles the `wx.EVT_PAINT` for `AlphaCtrl`.
`TrackPoint`	Tracks a mouse action inside the Alpha channel control.

class AlphaCtrl(BaseLineCtrl)[source]¶

Implements the drawing, mouse handling and sizing routines for the alpha channel control.

__init__(parent)[source]¶

Default class constructor. Used internally. Do not call it in your code!

Parameters:	parent – the control parent window.

DrawAlphaShading(dc, rect)[source]¶

Draws the alpha shading on top of the checkerboard.

Parameters:	dc – an instance of wx.DC; rect – the `AlphaCtrl` client rectangle.

DrawMarkers(dc=None)[source]¶

Draws square markers used with mouse gestures.

Parameters:	dc – an instance of wx.DC.

OnPaint(event)[source]¶

Handles the wx.EVT_PAINT for AlphaCtrl.

Parameters:	event – a wx.PaintEvent event to be processed.

TrackPoint(pt)[source]¶

Tracks a mouse action inside the Alpha channel control.

Parameters:	pt – an instance of wx.Point.

Tree