def app(tester):
m = np.ones((16, 32, 3), 'u1') * 0
# m[50:150, :, 1] = 256
m[:, 7:20, 0] = 255
im = c.Image(m)
return c.orr([
c.image("", c.Image(m[:,:28]), height=100),
c.image("", c.Image(m[:,:29]), height=100),
c.image("", c.Image(m[:,:30]), height=100),
c.image("", c.Image(m[:,:31]), height=100),
tester.pause(),
])
def test_shapes(tester):
def content(tf):
np.random.seed(0)
return c.orr([
# Empty polygonal shapes of all kinds
c.draw.polygon([], 'white', tf=tf),
c.draw.polygon(np.array([]), 'white', tf=tf),
c.draw.polygon(np.zeros((0, 2)), 'white', tf=tf),
c.draw.polyline([], 'white', tf=tf),
c.draw.polyline(np.array([]), 'white', tf=tf),
c.draw.polyline(np.zeros((0, 2)), 'white', tf=tf),
c.draw.polygons(np.zeros((0, 123, 2)), 'white', tf=tf),
c.draw.polygons(np.zeros((123, 0, 2)), 'white', tf=tf),
c.draw.polylines([], 'white', tf=tf),
c.draw.polylines(np.zeros((0, 123, 2)), 'white', tf=tf),
c.draw.polylines(np.zeros((123, 0, 2)), 'white', tf=tf),
c.draw.scatter(np.array([]), 'white', 'x', tf=tf),
c.draw.scatter(np.zeros([0]), 'white', 'x', tf=tf),
c.draw.scatter(np.zeros([0,2]), 'white', 'x', tf=tf),
# Normal polygonal shapes
c.draw.polygon(np.array([(0.5,0.5), (0.7,0.5), (0.7,0.7), (0.5,0.7)]), 'white', tf=tf),
c.draw.polygon([(0.5,0.5), (0.6,0.5), (0.6,0.6), (0.5,0.6)], 'brown', tf=tf),
])
yield from c.orr([c.image("Image", c.Image(), content_gen=content), tester.pause()])
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 app(tester):
canvas = np.zeros([1000, 1000, 3], 'u1')
im = c.Image(canvas)
t = 0
x, y = 0, 0
for i in range(2):
if i: yield
res = yield from c.orr([
c.image("",
im,
content_gen=lambda tf: c.draw.rect_filled(
x - 40,
y - 40,
x + 40,
y + 40,
tuple(np.array([222, 111, 111, 255]) / 255),
tf=tf)),
c.event(None),
])
t += 0.02
x = int(500 + 400 * np.sin(t))
y = int(500 + 400 * np.cos(t))
canvas[...] = 0
canvas[y - 41:y + 41, x - 41:x + 41] = [111, 222, 111]
canvas[y - 40:y + 40, x - 40:x + 40] = [111, 111, 222]
im.change_image(canvas)
def test_scatter(tester):
def content(tf):
np.random.seed(0)
return c.orr([
c.draw.scatter(np.random.rand(100, 2), 'white', '+', thickness=1, tf=tf),
c.draw.scatter(np.random.rand(100, 2), 'yellow', 'x', thickness=1, tf=tf),
c.draw.scatter(np.random.rand(100, 2), 'magenta', 'o', thickness=1, tf=tf),
c.draw.scatter(np.random.rand(100, 2), 'green', '.', marker_size=3, tf=tf),
])
yield from c.orr([c.image("Image", c.Image(), content_gen=content), tester.pause()])
def test_polylines_perf():
side, length = int(np.sqrt(10000)), 4
x, y, t = np.meshgrid(np.linspace(0, 1, side), np.linspace(0, 1, side), np.linspace(0, 2 * np.pi, length, endpoint=False))
polylines = np.stack([np.sin(t) * 1/side/2 + x, np.cos(t) * 1/side/2 + y], axis=3).reshape(-1, length, 2)
im = c.Image()
def content(tf):
return c.draw.polylines(polylines, 'white', tf=tf)
while True:
yield from c.image("Image", im, content_gen=content)
yield
def image_ui(q):
i = 0
im1 = c.Image(Image.open("examples/lenna.png"))
im2 = copy.deepcopy(im1)
while True:
i += 1
ret = yield from c.orr([c.listen(q), c.image("This", im2)])
if ret is None:
return im1, im2
im2 = ret[1]
yield
def app():
im1 = c.Image(Image.open("examples/lenna.png"))
im2 = c.Image(Image.open("examples/lenna.png"))
while True:
k, v = yield from c.orr([
c.button("Hello,"),
c.button("world!"),
c.orr_same_line([
c.text("Hello,"),
c.nothing(),
c.text_tooltip("Text tooltip", c.text("world!")),
c.text_tooltip("Orr tooltip", c.orr([
c.text_tooltip("Button tooltip", c.button("Button1")),
c.button("Button2"),
])),
c.orr([
c.button("Button3"),
c.button("Button4"),
]),
c.text("Finish line."),
]),
c.draggable("Drag", c.orr([c.button("Draggable Button"), c.forever(c.button, "Another")])),
c.input_text("Hello", "world!", 123),
c.collapsing_header("Image", c.orr([
c.tooltip(c.orr([c.text("Hello!"), c.image("", im1, width=300, height=200), c.event(("Key", "Tooltip value"))]), c.image("Im1", im1, width=30, height=20)),
c.image("Im2", im2, width=30, height=20),
])),
c.input_text("Hello", "world!", 123),
c.key_press("Key", glfw.KEY_SPACE),
])
if k == "Im1":
im1 = v
if k == "Im2":
im2 = v
print(k, v)
yield
def app():
image = Image.open("examples/lenna.png")
view = c.Image(image)
while True:
tag, value = yield from c.orr([
c.text(
"Drag using right mouse button,\nscroll using mouse wheel."),
c.image("Image", view, content_gen=overlay),
])
if tag == "Image":
view = value
elif tag == "Rotate":
image = image.transpose(Image.ROTATE_270)
view.change_image(image)
yield
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 controlee():
view = c.Image(Image.open("examples/lenna.png"))
while True:
_, view = yield from c.image("Image", view)
yield