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.
__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 |
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.
__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.