def change_image(self, image_path: str) -> None:
try:
self.image.load_image(image_path)
except ValueError:
self.clear_image()
PUBLISHER.queue_message("ImageLoadingError")
self.update_image()
def image_selection(self, image_path: str) -> None:
try:
self.validator.validate_resolution()
self.image.scaled_resolution = int(self.state.resolution)
except ValueError:
return
self.image.overlay.clear()
PUBLISHER.queue_message("ImageChangeRequest", image_path=image_path)
def save_command(self) -> None:
filename = filedialog.asksaveasfilename(
title="Save Image",
defaultextension="png",
filetypes=[("PNG", ".png"), ("JPG", ".jpg"), ("JPEG", ".jpeg")],
)
if not filename:
return
PUBLISHER.queue_message("ImageSaveRequest", image_path=filename)
def _image_clicked(self, event: tk.Event) -> None:
if not self.image.loaded:
return
x: int = event.x # type: ignore[attr-defined]
y: int = event.y # type: ignore[attr-defined]
scaled_width, scaled_height = self._get_scaled_size()
height, width, _ = self.image.pixels.shape
real_x = int(x * (width / scaled_width))
real_y = int(y * (height / scaled_height))
PUBLISHER.queue_message("ImageClicked", x=real_x, y=real_y)
def validate_resolution(self) -> None:
try:
integer_resolution = int(self.resolution)
except ValueError:
PUBLISHER.queue_message("ResolutionResetRequest")
self.show_resolution_error()
raise ValueError(f"Invalid Resolution: {self.resolution}")
if not isInRange(integer_resolution, MIN_RESOLUTION, MAX_RESOLUTION):
PUBLISHER.queue_message("ResolutionResetRequest")
self.show_resolution_error()
raise ValueError(f"Invalid Resolution: {self.resolution}")
def validate_framerate(self) -> None:
try:
integer_framerate = int(self.framerate)
except ValueError:
self.show_framerate_error()
PUBLISHER.queue_message("FramerateResetRequest")
raise ValueError(f"Invalid Framerate: {self.framerate}")
if not isInRange(integer_framerate, MIN_FRAMERATE, MAX_FRAMERATE):
PUBLISHER.queue_message("FramerateResetRequest")
self.show_framerate_error()
raise ValueError(f"Invalid Framerate: {self.framerate}")
def set_point(self, x: int, y: int) -> None:
if self.state.working or not self.state.image.loaded:
return
if self.status == PointStatus.START:
self.start_point = Point(x, y)
elif self.status == PointStatus.END:
self.end_point = Point(x, y)
if self.status != PointStatus.NONE:
self.image.reset_result()
self.image.overlay.clear()
self._set_start_point()
self._set_end_point()
PUBLISHER.queue_message("ImageUpdateRequest")
self.status = PointStatus.NONE
def start_point_command(self) -> None:
PUBLISHER.queue_message("PointChangeRequest", kind="start")
def select_image(self) -> None:
filename = filedialog.askopenfilename(title="Select an Image")
if not filename:
return
PUBLISHER.queue_message("MazeCancelRequest")
PUBLISHER.queue_message("ImageSelectionRequest", image_path=filename)
def image_reset(self) -> None:
self.image.reset_result()
PUBLISHER.queue_message("ImageUpdateRequest")
def stop_command(self) -> None:
PUBLISHER.queue_message("MazeStopRequest")
def solve_command(self) -> None:
PUBLISHER.queue_message("MazeSolveRequest")
def _entry_changed(self, *_: Any) -> None:
framerate = self.string_var.get()
PUBLISHER.queue_message("FramerateChangeRequest", framerate=framerate)
def _entry_changed(self, *_: Any) -> None:
resolution = self.string_var.get()
PUBLISHER.queue_message("ResolutionChangeRequest",
resolution=resolution)
def end_point_command(self) -> None:
PUBLISHER.queue_message("PointChangeRequest", kind="end")
def resume_command(self) -> None:
PUBLISHER.queue_message("MazeResumeRequest")
def cancel_command(self) -> None:
PUBLISHER.queue_message("MazeCancelRequest")
