def app(image_path, output_path):
view = c.Image(Image.open(image_path))
autosave = True
try:
r = csv.reader(open(output_path, 'r'))
pts = [(int(x), int(y)) for x, y in r]
except FileNotFoundError:
pts = []
while True:
tag, value = yield from c.orr([
c.orr_same_line([c.button("Save"), c.text(f"Click to (de)annotate. N: {len(pts)}"), c.checkbox("Autosave", autosave)]),
c.image("Image", view, content_gen=c.partial(overlay, np.array(pts).reshape(-1, 2))),
])
if tag == "Image":
view = value
elif tag == "Autosave":
autosave = value
elif tag == "Rem":
pts.pop(value)
elif tag == "Add":
pts.append((int(value[0]), int(value[1])))
if tag == "Save" or autosave and tag in ["Rem", "Add"]:
with open(output_path, 'w') as f:
csv.writer(f).writerows(pts)
yield
def computation():
def draw(i, tf):
return c.orr([
c.draw.circle(0, 0, 1, 'red', tf=tf),
c.draw.text(f"iter: {i}", 0, 0, 'black', tf=tf),
])
for i in range(2000000):
yield c.partial(draw, i)
print("Computation done.")
def app():
view = c.Image(Image.open("examples/lenna.png"))
lines = []
while True:
tag, value = yield from c.orr([
c.text("Create lines by dragging with the left mouse button."),
c.image("Image",
view,
content_gen=c.partial(overlay, deepcopy(lines)),
drag_tag="Drag",
down_tag="Down"),
])
if tag == "Image":
view = value
elif tag == "Draw":
lines = value
yield
def hello_world():
show_demo_window = True
demo_state = DemoState()
show_another_window = False
float = 0.0
counter = 0
while True:
tag, value = yield from c.orr([
c.window(
"Hello, world!",
c.orr([
c.text("This is some useful text."),
c.checkbox("Demo Window", show_demo_window),
c.checkbox("Another Window", show_another_window),
c.slider_float("Float", float, 0, 1),
# Not implemented: background color chooser
c.orr_same_line(
[c.button("Button"),
c.text(f"counter = {counter}")]),
# Not implemented: FPS counter
])),
c.optional(
show_another_window, lambda: c.window(
"Another Window",
c.orr([
c.text("Hello from another window!"),
c.button("Close Me"),
]))),
c.optional(show_demo_window, c.partial(demo_window, demo_state)),
])
if tag == "Demo Window":
show_demo_window = value
elif tag == "Another Window":
show_another_window = value
elif tag == "Float":
float = value
elif tag == "Button":
counter += 1
elif tag == "Close Me":
show_another_window = False
yield
def app():
view = c.Frame((0, 0), (512, 512), keep_aspect=True)
arr = np.array(Image.open("examples/lenna.png"))
tex = c.integrations.opengl.texture(arr)
while True:
tag, value = yield from c.orr([
c.window(
"Graph",
c.frame("Frame",
view,
content_gen=c.partial(graph, tex, arr.shape[0],
arr.shape[1]))),
c.window("Controls", c.button("Reset View")),
])
if tag == "Frame":
view = value
elif tag == "Reset View":
view.reset_view()
yield