ykcheungab
53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
"""UV flow-arrow panel for the Qt dashboard."""
|
|
|
|
from __future__ import annotations
|
|
|
|
import cv2
|
|
from pipeline.frame import FingerFrameView
|
|
from viz.render_2d import ArrowBackground, ArrowCanvasColors, render_uv_arrows
|
|
|
|
from gui.widgets.qt_pixmap import ndarray_to_pixmap
|
|
|
|
from ..layout import LAYOUT, DashboardLayout
|
|
from .image_panel import ImagePanel
|
|
|
|
|
|
class ArrowPanelWidget(ImagePanel):
|
|
"""UV unrolled flow-arrow panel."""
|
|
|
|
def __init__(
|
|
self,
|
|
*,
|
|
flow_threshold: float = 0.5,
|
|
background: ArrowBackground = "unrolled",
|
|
canvas_colors: ArrowCanvasColors | None = None,
|
|
layout: DashboardLayout = LAYOUT,
|
|
parent=None,
|
|
):
|
|
slot = layout.top_slot("arrows")
|
|
super().__init__(
|
|
title=layout.arrows_panel_title,
|
|
object_name="panelLabel",
|
|
default_side=min(slot.width_px, slot.height_px),
|
|
parent=parent,
|
|
)
|
|
self.flow_threshold = flow_threshold
|
|
self.background = background
|
|
self.canvas_colors = canvas_colors if canvas_colors is not None else layout.arrow_canvas_colors
|
|
|
|
def set_flow_threshold(self, threshold: float) -> None:
|
|
self.flow_threshold = threshold
|
|
|
|
def set_background(self, background: ArrowBackground) -> None:
|
|
self.background = background
|
|
|
|
def update_frame(self, frame: FingerFrameView) -> None:
|
|
arrows = render_uv_arrows(
|
|
frame,
|
|
flow_threshold=self.flow_threshold,
|
|
background=self.background,
|
|
canvas_colors=self.canvas_colors,
|
|
)
|
|
arrows = cv2.rotate(arrows, cv2.ROTATE_180)
|
|
self.set_source_pixmap(ndarray_to_pixmap(arrows, bgr=True))
|