69 lines
2.2 KiB
Python
69 lines
2.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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"""
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1、安装库 pip install pymupdf
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2、安装库 pip install pillow
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3、直接运行
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"""
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import os
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import fitz
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import os
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import sys
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__dir__ = os.path.dirname(os.path.abspath(__file__))
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sys.path.append(__dir__)
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sys.path.append(os.path.abspath(os.path.join(__dir__, '..')))
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from ppocr.utils.logging import get_logger
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logger = get_logger()
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"""
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parameter:
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pdf_file : the pdf file for convert
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img_dir : the dir to save images
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return:
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pic_list: image list for pdf file
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"""
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def pdf2img(pdf_file, img_dir):
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doc = fitz.open(pdf_file)
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pdf_name = os.path.splitext(pdf_file)[0]
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pic_list = []
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for pg in range(doc.pageCount):
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page = doc[pg]
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rotate = int(0)
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# 每个尺寸的缩放系数为2，这将为我们生成分辨率提高四倍的图像。
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zoom_x = 2.0
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zoom_y = 2.0
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trans = fitz.Matrix(zoom_x, zoom_y).prerotate(rotate)
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pm = page.get_pixmap(matrix=trans, alpha=False)
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# 注意下边的一行，这是本的重点。原文是生成的PNG，我给改成了JPG
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if not os.path.exists(img_dir):
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os.mkdir(img_dir)
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logger.info('%s directory are created' % img_dir)
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pm.pil_save('%s/%s.jpg' % (img_dir, pg), quality=1)
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pic_list.append('%s/%s.jpg' % (img_dir, pg))
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logger.info('%s pdf file are saved under %s successfully' % (pdf_file, img_dir))
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return pic_list
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