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Support custom list of colors in draw_tracked_boxes (renames line_color to border_colors and line_width to border_width). #54

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merged 1 commit into from
May 27, 2021
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Support custom list of colors in draw_tracked_boxes (renames line_color to border_colors and line_width to border_width). #54

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26 changes: 15 additions & 11 deletions norfair/drawing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -223,25 +223,29 @@ def draw_boxes(frame, detections, line_color=None, line_width=None, random_color
def draw_tracked_boxes(
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frame,
objects,
line_color=None,
line_width=None,
border_colors=None,
border_width=None,
id_size=None,
id_thickness=None,
draw_box=True,
):
frame_scale = frame.shape[0] / 100
if line_width is None:
line_width = int(frame_scale * 0.5)
if border_width is None:
border_width = int(frame_scale * 0.5)
if id_size is None:
id_size = frame_scale / 10
if id_thickness is None:
id_thickness = int(frame_scale / 5)
color_is_None = line_color == None
for obj in objects:
if isinstance(border_colors, tuple):
border_colors = [border_colors]

for n, obj in enumerate(objects):
if not obj.live_points.any():
continue
if color_is_None:
line_color = Color.random(obj.id)
if border_colors is None:
color = Color.random(obj.id)
else:
color = border_colors[n % len(border_colors)]

if draw_box:
points = obj.estimate
Expand All @@ -250,8 +254,8 @@ def draw_tracked_boxes(
frame,
tuple(points[0, :]),
tuple(points[1, :]),
color=line_color,
thickness=line_width,
color=color,
thickness=border_width,
)

if id_size > 0:
Expand All @@ -263,7 +267,7 @@ def draw_tracked_boxes(
tuple(id_draw_position),
cv2.FONT_HERSHEY_SIMPLEX,
id_size,
line_color,
color,
id_thickness,
cv2.LINE_AA,
)
Expand Down