alpha

alpha()

Description

Extracts the alpha value from a color or pixel list.

Examples

from proceso import Sketch


p5 = Sketch()
p5.describe("Left half of canvas light blue and right half light charcoal grey.")

p5.no_stroke()
c = p5.color(0, 126, 255, 102)
p5.fill(c)
p5.rect(15, 15, 35, 70)
value = p5.alpha(c) # Sets 'value' to 102
p5.fill(value)
p5.rect(50, 15, 35, 70)

Syntax

alpha(color)

Parameters

color: list[int]|str Color components or CSS color

Returns

int Alpha value