warn("Error", "This folder contains no image files")
show_file(file_pointer)
except Exception as e:
warn("Exception thrown",
"Invalid folder. Please select valid folder.")
# declare our main app
app = App(
title="Madeleine Ward Marker Prototype",
width=IMAGE_WIDTH,
height=IMAGE_HEIGHT,
)
# CANVAS contains an image with lines that indicate species present
canvas = Drawing(app, width=IMAGE_WIDTH, height=IMAGE_HEIGHT)
# hook the events to the canvas object
canvas.when_left_button_pressed = canvas_left_click
canvas.when_right_button_pressed = canvas_right_click
# define the menu bar
menubar = MenuBar(app,
toplevel=["File", "Mark Images"],
options=[[["Pick Directory", pick_directory]],
[["Mark Images", mark_function]]])
# hook the arrow keys (for now, might want to change this to local hook if permitted)
app.when_key_pressed = keypress_hook
app.display()
if painting.last_shape is not None:
painting.delete(painting.last_shape)
rectangle = painting.rectangle(
painting.first_event.x, painting.first_event.y,
event.x, event.y,
color=color.value
)
painting.last_shape = rectangle
painting.last_event = event
# ------------------------------
# App
# ------------------------------
app = App("Paint")
color = Combo(app, options=["black", "white", "red", "green", "blue"])
width = Slider(app, start=1, end=10)
shape = Combo(app, options=["line", "rectangle"])
painting = Drawing(app, width="fill", height="fill")
painting.when_left_button_pressed = start
painting.when_mouse_dragged = draw
app.display()
