57 lines
1.2 KiB
Python
57 lines
1.2 KiB
Python
import cv2
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from vidocp.utils import copy_and_normalize_channels
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def draw_contours(image, contours):
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image = copy_and_normalize_channels(image)
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for cont in contours:
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cv2.drawContours(image, cont, -1, (0, 255, 0), 4)
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return image
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def draw_rectangles(image, rectangles, color=None):
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image = copy_and_normalize_channels(image)
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if not color:
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color = (0, 255, 0)
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for rect in rectangles:
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x, y, w, h = rect
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cv2.rectangle(image, (x, y), (x + w, y + h), color, 2)
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return image
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def draw_stats(image, stats, annotate=False):
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image = copy_and_normalize_channels(image)
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keys = ["x", "y", "w", "h"]
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def annotate_stat(x, y, w, h):
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for i, (s, v) in enumerate(zip(keys, [x, y, w, h])):
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anno = f"{s} = {v}"
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xann = int(x + 5)
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yann = int(y + h - (20 * (i + 1)))
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cv2.putText(image, anno, (xann, yann), cv2.FONT_HERSHEY_SIMPLEX, 0.7, (0, 255, 0), 2)
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def draw_stat(stat):
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x, y, w, h, area = stat
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cv2.rectangle(image, (x, y), (x + w, y + h), (0, 255, 0), 2)
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if annotate:
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annotate_stat(x, y, w, h)
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for stat in stats[2:]:
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draw_stat(stat)
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return image
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