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villares avatar villares commented on June 25, 2024

Salve @MarcioBonadiaa, obrigado !

Isso acredito que vai dar um acréscimo muito interessante na documentação

Dá para usar a notação com # (cor hexa) entre aspas, como em fill("#FFAA00") nas funções fill(), background() e stroke() quando estamos no Processing modo Python. Mas infelizmente isso não funciona com a função color() e aí tive esse trabalho de criar uma função extra para facilitar a tradução desse exemplo.

Vou pensar em como acrescentar isso no material sobre cores!

def setup():
    verde = color_hex('#00FF00')
    fill(verde)
    rect(0, 0, 50, 100)
    azul = color_hex('0000FF')
    fill(azul)
    rect(50, 0, 50, 100)
    
def color_hex(s):
    """
    No Processing tradicional (Java) podemos indicar cores com a notação hexadecimal  #AABBCC
    No modo Python é possivel usar essa notação entre aspas em fill(), stroke() e
    background(), mas não é possível fazer isso com a função color().
    Esta função permite usar cores a partir de um string com a notação hexa no modo Python
    """
    if s.startswith('#'):
        s = s[1:]
    return color(int(s[:2], 16), int(s[2:4], 16), int(s[4:6], 16))

from material-aulas.

villares avatar villares commented on June 25, 2024

Acrescentei aqui: https://github.com/villares/material-aulas/blob/master/Processing-Python/mais_sobre_cores.md

from material-aulas.

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