def render(self):
"Render the vector as an arrow on a pygame.Surface"
l = self.length() * self.canvas.unit
if l < 2:
return Image((1, 1), self.stroke).image
shape = self.arrowShape
if type(shape) is dict:
if shape["fixed"]:
shape = shape.copy()
shape["width"] /= l
shape["head"] /= l
del shape["fixed"]
a = Arrow(l, **shape).config(fill=self.fill,
stroke=self.stroke,
weight=self.weight)
else:
dx, dy = shape
cv = Canvas((l, 2 * dy))
y = cv.center[1]
cv += Line((0, y), (l, y)).config(stroke=self.stroke,
weight=self.weight)
cv += Line((l - dx, y - dy), (l, y)).config(stroke=self.stroke,
weight=self.weight)
cv += Line((l - dx, y + dy), (l, y)).config(stroke=self.stroke,
weight=self.weight)
a = cv.snapshot()
return a.image
def circles(sk, n=50): "Draw random circles for arena floor" size = sk.size cv = Canvas(size, "white") for i in range(n): r = randint(10, size[0]/8) cv += Circle(r).config(weight=0, fill=rgba(True), pos=randPixel(size)) return cv.snapshot()
def field(self):
"Draw red and yellow goal boxes on green turf"
w, h = self.size
y = self.center[1]
sz = boxSize(w, h)
cv = Canvas((w, h), "#20b050")
cv += Image(sz, "red").config(pos=(0, y), anchor=LEFT)
cv += Image(sz, "yellow").config(pos=(w-1, y), anchor=RIGHT)
return cv.snapshot()
def render(self):
y = self._xy[1]
cv = self.canvas
u = cv.units
w = round(abs(u[0] * self._barWidth))
h = round(abs(u[1] * y))
wt = round(self.weight)
img = Canvas((w, h + 1), self.fill).config(weight=wt, border=self.stroke)
return img.snapshot().original
def field(self):
"Draw red and yellow goal boxes on green turf"
w, h = self.size
y = self.center[1]
sz = boxSize(w, h)
cv = Canvas((w, h), "#20b050")
cv += Image(sz, "red").config(pos=(0, y), anchor=LEFT)
cv += Image(sz, "yellow").config(pos=(w-1, y), anchor=RIGHT)
return cv.snapshot()
def quilt(sk):
"Draw some colors on the floor in a quilt pattern"
w, h = sk.size
w = (w - 64) // 6
h = (h - 64) // 4
cv = Canvas(sk.size, "grey")
c = [
"pink",
"darkgreen",
"mintcream",
"gold",
"white",
"cyan",
"yellow",
"blue",
"brown",
"tan2",
"royalblue",
"steelblue",
"violet",
"orange",
"skyblue",
"black",
"tomato",
"seashell",
"salmon",
"turquoise",
"red",
"magenta",
"purple",
"green",
]
shuffle(c)
for i in range(4):
for j in range(6):
color = c[j + 6 * i]
cv += Image(
(w, h),
color).config(pos=(32 + (j + 0.5) * w, 32 + (i + 0.5) * h))
return cv.snapshot()
def title(self, title, padding=4, **kwargs):
"Add a title bar"
txtConfig = dict(font=Font.sans(),
fontSize=15,
fontStyle=BOLD,
color="white",
padding=padding)
txtConfig.update(kwargs)
title = Text(title).config(**txtConfig)
cv = Canvas((self.width, title.height + self.weight), self.border)
cv += title.config(pos=(cv.center[0], self.weight), anchor=TOP)
self.insertTop(cv, 0, "TitleBar")
return self
def buttons(cfg):
"Create a canvas containing two buttons"
cv = Canvas((256, 48))
# Selectable button
btn1 = Button((120, 48)).textIcon("Selectable\nButton", True)
cv["Selectable"] = btn1.config(anchor=TOPLEFT).bind(onaction=buttonClick)
# Non-selectable button
btn2 = Button(btn1.size,
2).textIcon("Popup Menu").bind(onaction=buttonClick)
cv["Popup"] = btn2.config(pos=(255, 0), anchor=TOPRIGHT)
# Configure button text
btn1[-1].config(color=BLUE, align=CENTER, **cfg)
btn2[-1].config(**cfg)
return cv
def setup(sk):
# Create a Canvas as a GUI dialog
cv = Canvas((384, 256)).config(bg="#f0f0ff", weight=1)
# Vertical positioning 16 pixels below last item added
down = lambda cv: 16 + cv[-1].height
text = dict(color=BLUE, font=FONT, fontStyle=BOLD, padding=4)
if TextInputCanvas: # v2.2.dev
ti = TextInputCanvas(336, "", "Type Some Text...", **text)
else: # v2.0-2.1
ti = TextInput("", "Type Some Text...").config(**text)
x, y = cv.center[0] - 8, 16
cv["Input"] = ti.bind(onaction, onchange=onaction).config(anchor=TOP,
pos=(x, y),
bg="white",
weight=1)
# Add a Radio box
y += down(cv)
cfg = {"font": FONT, "fontSize": 14}
text = "Option A", "Option B", "Option C"
box = Radio(text, txtConfig=cfg).bind(onchange=radioChange)
cv["ABC"] = box.config(pos=(x, y), anchor=TOP, selected=1)
# Add an Options box
y += down(cv)
text = "Option X", "Option Y", "Option Z"
box = Options(text, txtConfig=cfg).config(pos=(x, y), anchor=TOP)
cv["XYZ"] = box.bind(onaction=optionsChange)
# Add Buttons
y += down(cv)
cv["Button Box"] = buttons(cfg).config(anchor=TOP, pos=(x, y))
# Modify canvas and sketch size based on content
cv.resize((cv.width, y + down(cv)), False)
w, h = cv.size
sk.size = w + 48, h + 48
# Add a Slider
slider = Slider((16, cv.height), [BLUE], 100, 0, 100)
slider.config(pos=(cv.width, 0), anchor=TOPRIGHT, bg=GREY, weight=1)
cv["Slider"] = slider.bind(onchange=sliderChange)
# Create a popup menu
img = Image.fromBytes(sc8prData("alien"))
items = [("Action", img, None), ("Back", None, R_TRIANGLE)]
cv.menu = Menu(items, txtConfig=cfg).config(pos=cv.center)
cv.menu.bind(onaction=menuAction)
# Add the dialog to the sketch
sk["Dialog"] = cv.bind(resize=nothing).config(pos=sk.center)
def setup(sk):
# Create a Canvas as a GUI dialog
cv = Canvas((384,256)).config(bg="#f0f0ff", weight=1)
# Vertical positioning 12 pixels below last item added
down = lambda cv: 16 + cv[-1].height
# Add a TextInput
x, y = cv.center[0], 16
cv["Input"] = TextInput("", "Type Some Text...").config(anchor=TOP,
font=FONT, fontStyle=BOLD, pos=(x,y), color=BLUE,
bg="white", padding=4).bind(onaction)
# Add a Radio box
y += down(cv)
cfg = {"font":FONT, "fontSize":14}
text = "Option A", "Option B", "Option C"
radio = Radio(text, txtConfig=cfg).bind(onchange=radioChange)
cv["ABC"] = radio.config(pos=(x,y), anchor=TOP, selected=1)
# Add an Options box
y += down(cv)
text = "Option X", "Option Y", "Option Z"
radio = Options(text, txtConfig=cfg).config(pos=(x,y), anchor=TOP)
cv["XYZ"] = radio.bind(onaction=optionsChange)
# Add Buttons
y += down(cv)
cv["Button Box"] = buttons(cfg).config(anchor=TOP, pos=(x,y))
# Modify canvas and sketch size based on content
cv.resize((cv.width, y + down(cv)), False)
w, h = cv.size
sk.size = w + 48, h + 48
# Add a Slider
slider = Slider((16, cv.height), BLUE, 100, 0, 100)
slider.config(pos=(cv.width, 0), anchor=TOPRIGHT, bg=GREY, weight=1)
cv += slider.bind(onchange=sliderChange)
# Create a popup menu
img = Image.fromBytes(sc8prData("alien"))
items = [("Action", img, None), ("Back", None, R_TRIANGLE)]
cv.menu = Menu(items, txtConfig=cfg).config(pos=cv.center)
cv.menu.bind(resize=nothing, onaction=menuAction)
# Add the dialog to the sketch
cv.cover = sk.cover()
sk["Dialog"] = cv.bind(resize=nothing).config(pos=sk.center)
def snapshot(self):
self._bg = self._options[self._status]
return Canvas.snapshot(self)
def draw(self, srf=None, mode=3):
self._bg = self._options[self._status]
return Canvas.draw(self, srf, mode)