40 lines
871 B
Python
40 lines
871 B
Python
import cv2
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from cv_analysis.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 contour in contours:
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cv2.drawContours(image, contour, -1, (0, 255, 0), 4)
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return image
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def draw_rectangles(image, rectangles, color=None, annotate=False):
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def annotate_rect(x, y, w, h):
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cv2.putText(
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image,
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"+",
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(x + (w // 2) - 12, y + (h // 2) + 9),
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cv2.FONT_HERSHEY_SIMPLEX,
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1,
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(0, 255, 0),
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2,
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)
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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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if annotate:
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annotate_rect(x, y, w, h)
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return image
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