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phoenix_title wx.lib.colourchooser.pycolourslider.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.


class_hierarchy Class Hierarchy

Inheritance diagram for class PyColourSlider:


method_summary 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
GetVFromClick Returns the HSV value “V” based on the location of a mouse click at y offset “pos”
SetBaseColour Sets the base, or target colour, to use as the central colour

api Class API



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



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

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



DrawBuffer(self)

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



GetBaseColour(self)

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



GetVFromClick(self, pos)

Returns the HSV value “V” based on the location of a mouse click at y offset “pos”



SetBaseColour(self, colour)

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