47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
from PIL import Image
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import os
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def split_image(image_path, output_dir, rows=10, cols=10):
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"""
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将图片切成指定行列的小块。
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参数：
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image_path (str): 输入图片的路径。
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output_dir (str): 保存小块图片的目录。
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rows (int): 切分的行数。
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cols (int): 切分的列数。
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"""
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# 打开图片
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img = Image.open(image_path)
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img_width, img_height = img.size
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# 计算每块的宽和高
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piece_width = img_width // cols
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piece_height = img_height // rows
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# 创建输出目录
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os.makedirs(output_dir, exist_ok=True)
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# 遍历切割
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for row in range(rows):
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for col in range(cols):
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# 定义每块的区域 (left, upper, right, lower)
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left = col * piece_width
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upper = row * piece_height
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right = (col + 1) * piece_width
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lower = (row + 1) * piece_height
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# 裁剪出小块并保存
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piece = img.crop((left, upper, right, lower))
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piece_path = os.path.join(output_dir, f"piece_{row}_{col}.png")
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piece.save(piece_path)
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print(f"图片已分割成 {rows * cols} 小块，保存到：{output_dir}")
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# 使用示例
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image_path = "input.jpg" # 输入图片路径
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output_dir = "output_pieces" # 输出目录
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split_image(image_path, output_dir)
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