55 lines
1.4 KiB
Python
55 lines
1.4 KiB
Python
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#!/usr/bin/env python3
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import fitz #pip install pymupdf
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import re
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import os
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def find_imag(path,img_path):
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checkXO = r"/Type(?= */XObject)"
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checkIM = r"/Subtype(?= */Image)"
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pdf = fitz.open(path)
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img_count = 0
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len_XREF = pdf._getXrefLength()
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print("文件名:{}, 页数: {}, 对象: {}".format(path, len(pdf), len_XREF - 1))
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for i in range(1, len_XREF):
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text = pdf._getXrefString(i)
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isXObject = re.search(checkXO, text)
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# 使用正则表达式查看是否是图片
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isImage = re.search(checkIM, text)
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# 如果不是对象也不是图片，则continue
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if not isXObject or not isImage:
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continue
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img_count += 1
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# 根据索引生成图像
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pix = fitz.Pixmap(pdf, i)
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new_name = path.replace('\\', '_') + "_img{}.png".format(img_count)
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new_name = new_name.replace(':', '')
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# 如果pix.n<5,可以直接存为PNG
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if pix.n < 5:
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pix.writePNG(os.path.join(img_path, new_name))
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else:
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pix0 = fitz.Pixmap(fitz.csRGB, pix)
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pix0.writePNG(os.path.join(img_path, new_name))
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pix0 = None
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pix = None
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print("提取了{}张图片".format(img_count))
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if __name__=='__main__':
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pdf_path = r'test.pdf'
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img_path = r'img'
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m = find_imag(pdf_path, img_path)
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