@cladocora seems to be a bug because ui.draw_string in turtle.py uses its own key parameter color= to draw a string in color, try this little script
import turtle
import ui
# copy from standard module turtle.py
def write(self,text, move=False, align=None, font=None):
"""Write text at the current turtle position.
Arguments:
arg -- info, which is to be written to the TurtleScreen
move (optional) -- True/False
align (optional) -- one of the strings "left", "center" or right"
font (optional) -- a triple (fontname, fontsize, fonttype)
Write text - the string representation of arg - at the current
turtle position according to align ("left", "center" or right")
and with the given font.
If move is True, the pen is moved to the bottom-right corner
of the text. By default, move is False.
Example (for a Turtle instance named turtle):
>>> turtle.write('Home = ', True, align="center")
>>> turtle.write((0,0), True)
"""
# TODO: Implement `align` and `font` parameters
text = str(text)
w, h = ui.measure_string(text)
color = self._current_color
pos = self._pos
def _draw():
#ui.set_color(color)
# ui.draw_string uses its own key parameter color=
ui.draw_string(text, (pos.x, pos.y - h, 0, 0),color=color)
self._add_drawing(_draw)
if move:
self._pos += (w, 0)
self.update_view()
def t():
t = turtle.Turtle()
t.fillcolor('green')
t.begin_fill()
t.color('green')
for i in range(4):
t.forward(50)
t.left(90)
t.end_fill()
def scritta():
t = turtle.Turtle()
t.color('green')
t.fillcolor('green')
t.begin_fill()
t.penup()
t.goto(0, -20)
t.pendown()
#t.write('quadrato')
write(t,'quadrato')
t.end_fill()
t()
scritta()