用python裁切PDF文件中的图片
想把所有pdf文件的图片下边裁切掉一块，用Adobe Acrobat只能一页页处理，于是想到了用python进行批处理。
代码如下：
"""
Title: cutPdfImage
Author: JackieZheng
Date: 2024-09-26 20:51:24
LastEditTime: 2024-09-26 22:14:24
LastEditors:
Description:
FilePath: \\pythonCode\\cutPdfImage.py
"""import fitz # pip install pymupdfdef cut_images_and_replace(pdf_path):doc = fitz.open(pdf_path)for page_num in range(len(doc)):if page_num > 147: # 从哪页开始处理page = doc[page_num]img_xrefs = page.get_images(full=True)for img_index, img in enumerate(img_xrefs):xref = img[0]base_image = doc.extract_image(xref)pix = fitz.Pixmap(doc, xref)# 假设裁切后图像大小new_width = pix.widthnew_height = pix.height - 150# 创建新图像new_pix = fitz.Pixmap(fitz.csRGB,fitz.Rect(0, 0, new_width, new_height),pix.alpha)# 将原图像复制到新图像中new_pix.copy(pix, fitz.Rect(0, 0, new_width, new_height))# 删除原图片page.delete_image(xref)# 插入裁切后的图片page.insert_image((0, 0, page.rect.width, page.rect.height - 20),pixmap=new_pix,keep_proportion=True)print(f"Processed and replaced image {img_index + 1} on page {page_num + 1}.")doc.save(pdf_path[:-4] + '_processed.pdf')doc.close()pdf_file_path = "C:\\Users\\JackieZheng\\Desktop\\22.pdf"
cut_images_and_replace(pdf_file_path)
PS：处理后的文件会变大，有兴趣的同学可以优化下。