67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
from PIL import ImageDraw, ImageFont
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from surya.debug.fonts import get_font_path
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from surya.debug.text import get_text_size
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def draw_bboxes_on_image(
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bboxes, image, labels=None, label_font_size=10, color: str | list = "red"
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):
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polys = []
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for bb in bboxes:
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# Clockwise polygon
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poly = [[bb[0], bb[1]], [bb[2], bb[1]], [bb[2], bb[3]], [bb[0], bb[3]]]
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polys.append(poly)
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return draw_polys_on_image(
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polys, image, labels, label_font_size=label_font_size, color=color
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)
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def draw_polys_on_image(
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corners,
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image,
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labels=None,
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box_padding=-1,
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label_offset=1,
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label_font_size=10,
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color: str | list = "red",
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):
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draw = ImageDraw.Draw(image)
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font_path = get_font_path()
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label_font = ImageFont.truetype(font_path, label_font_size)
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for i in range(len(corners)):
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poly = corners[i]
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poly = [(int(p[0]), int(p[1])) for p in poly]
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draw.polygon(
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poly, outline=color[i] if isinstance(color, list) else color, width=1
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)
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if labels is not None:
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label = labels[i]
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text_position = (
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min([p[0] for p in poly]) + label_offset,
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min([p[1] for p in poly]) + label_offset,
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)
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text_size = get_text_size(label, label_font)
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box_position = (
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text_position[0] - box_padding + label_offset,
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text_position[1] - box_padding + label_offset,
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text_position[0] + text_size[0] + box_padding + label_offset,
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text_position[1] + text_size[1] + box_padding + label_offset,
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)
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try:
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draw.rectangle(box_position, fill="white")
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except Exception as e:
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print(f"Error drawing rectangle at {box_position}: {e}")
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continue
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draw.text(
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text_position,
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label,
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fill=color[i] if isinstance(color, list) else color,
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font=label_font,
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)
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return image
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