PyColourSlider

A Pure-Python Colour Slider

The colour slider displays transitions from value 0 to value 1 in HSV, allowing the user to select a colour within the transition spectrum.

This class is best accompanying by a wxSlider that allows the user to select a particular colour shade.

Inheritance Diagram

Inheritance diagram for class PyColourSlider

Known Superclasses

lib.colourchooser.canvas.Canvas

Methods Summary

__init__	Creates a blank slider instance. A colour must be set before the
DrawBuffer	Actual implementation of the widget’s drawing. We simply draw
GetBaseColour	Return the current colour used as a colour base for filling out
GetValue	Returns the colour value for a position on the slider. The position
SetBaseColour	Sets the base, or target colour, to use as the central colour

Class API

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class PyColourSlider(canvas.Canvas)

A Pure-Python Colour Slider

The colour slider displays transitions from value 0 to value 1 in HSV, allowing the user to select a colour within the transition spectrum.

This class is best accompanying by a wxSlider that allows the user to select a particular colour shade.

Methods

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__init__(self, parent, id, colour=None)

Creates a blank slider instance. A colour must be set before the slider will be filled in.

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DrawBuffer(self)

Actual implementation of the widget’s drawing. We simply draw from value 0.0 to value 1.0 in HSV.

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GetBaseColour(self)

Return the current colour used as a colour base for filling out the slider.

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GetValue(self, pos)

Returns the colour value for a position on the slider. The position must be within the valid height of the slider, or results can be unpredictable.

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SetBaseColour(self, colour)

Sets the base, or target colour, to use as the central colour when calculating colour transitions.