wx.lib.colourutils

Some useful colour-related utility functions.

Functions Summary

AdjustAlpha	Adjust the alpha of a given colour
AdjustColour	Brighten/darken input colour by percent and adjust alpha
BestLabelColour	Get the best color to use for the label that will be drawn on
GetHighlightColour	Gets the default highlight color.

Functions

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AdjustAlpha(colour, alpha)

Adjust the alpha of a given colour

Parameters:

alpha (integer) – the new value for the colour alpha channel (between 0 and 255).

Return type:

wx.Colour

Returns:

A new wx.Colour with the alpha channel specified as input

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AdjustColour(color, percent, alpha=wx.ALPHA_OPAQUE)

Brighten/darken input colour by percent and adjust alpha channel if needed. Returns the modified color.

Parameters:

• color (wx.Colour) – color object to adjust;

• percent (integer) – percent to adjust +(brighten) or -(darken);

• alpha (integer) – amount to adjust alpha channel.

Return type:

wx.Colour

Returns:

A new darkened/lightened wx.Colour with the alpha channel specified as input

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BestLabelColour(color, bw=False)

Get the best color to use for the label that will be drawn on top of the given color.

Parameters:

• color (wx.Colour) – background color that text will be drawn on;

• bw (bool) – If True, only return black or white.

Return type:

wx.Colour

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GetHighlightColour()

Gets the default highlight color.

Return type:

wx.Colour