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43 lines
1.3 KiB
43 lines
1.3 KiB
# coding=utf-8
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from PIL import Image
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import os
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from utils import create_logger
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logger = create_logger(__name__)
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def crop_image_left(image_path, crop_width):
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"""
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从图片左侧切割指定宽度并覆盖原图片
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参数:
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image_path (str): 图片文件路径
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crop_width (int): 要切割的宽度（像素）
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"""
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try:
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# 打开原始图片
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with Image.open(image_path) as img:
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# 获取图片尺寸
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width, height = img.size
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# 验证切割宽度是否有效
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if crop_width <= 0 or crop_width >= width:
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raise ValueError(f"切割宽度必须大于0且小于图片宽度({width}px)")
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# 计算切割区域 (left, upper, right, lower)
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crop_box = (crop_width, 0, width, height)
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# 执行切割
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cropped_img = img.crop(crop_box)
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# 临时保存切割后的图片
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temp_path = image_path + ".png"
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cropped_img.save(temp_path, quality=95)
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# 覆盖原文件
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os.replace(temp_path, image_path)
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logger.info(f"成功从左侧切割 {crop_width}px 并覆盖原图")
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except Exception as e:
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print(f"处理图片时出错: {e}")
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if 'temp_path' in locals() and os.path.exists(temp_path):
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os.remove(temp_path)
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