以下是用PDFlib给pdf添加水印的速记，另外PDFStamp是个很好用的pdf水印工具。PDFlib功能比较多、杂；PDFStamp功能单一，更方便使用。据walker测试，PDFlib会比PDFStamp快一些。

W WW.002pc .COM从python encode64用PDFlib给PDF添加水印(Python)分析来看，对python encode64用PDFlib给PDF添加水印(Python)的结果。#encoding=utf-8

#author: walker

#date: 2014-03-27

from PDFlib.PDFlib import PDFlib

from PDFlib.PDFlib import PDFlibException

#给单个文件添加水印，在右上角和左下角各添加一个水印

#所有参数均为全路径文件名

def add_watermark(pdf_file_in, pdf_file_out, image_file):

p = PDFlib()

p.set_option("license=xxxxx") #your key

p.set_option("errorpolicy=return");

if (p.begin_document(pdf_file_out, "") == -1):

raise PDFlibException("Error: " + p.get_errmsg())

p.set_info("Author", "walker");

p.set_info("Title", "");

p.set_info("Creator", "walker");

p.set_info("Subject", "");

p.set_info("Keywords", "");

#p.set_info("Producer", "walker");

#输入文件

indoc = p.open_pdi_document(pdf_file_in, "");

if (indoc == -1):

raise PDFlibException("Error: " + p.get_errmsg())

endpage = p.pcos_get_number(indoc, "length:pages");

endpage = int(endpage)

image = p.load_image("auto", image_file, "")

if image == -1:

raise PDFlibException("Error: " + p.get_errmsg())

for pageno in range(1, endpage+1):

page = p.open_pdi_page(indoc, pageno, "");

if (page == -1):

raise PDFlibException("Error: " + p.get_errmsg())

p.begin_page_ext(0, 0, ""); #添加一页

p.fit_pdi_page(page, 0, 0, "adjustpage")

page_width = p.get_value("pagewidth", 0) #单位为像素72dpi下像素值

page_height = p.get_value("pageheight", 0) #单位为像素72dpi下像素值

imagewidth = p.info_image(image, "imagewidth", "");

imageheight = p.info_image(image, "imageheight", "");

margin = 1000 #用于设置水印边距

optlist_top = "boxsize={" + str(page_width) + " " + str(page_height) + "} "

optlist_top += "position={" + str(margin/page_width) + " " + str(margin/ page_height) + "} "

optlist_top += " fitmethod=clip dpi=96"

optlist_bottom = "boxsize={" + str(page_width) + " " + str(page_height) + "} "

optlist_bottom += "position={" + str(100 - margin/page_width) + " " + str(100 - margin/ page_height) + "} "

optlist_bottom += " fitmethod=clip dpi=96"

p.fit_image(image, 0, 0, optlist_bottom)

p.fit_image(image, 0, 0, optlist_top)

p.close_pdi_page(page);

p.end_page_ext("");

p.close_image(image)

p.end_document("")

相关阅读：

1、Python添加pdf水印

2、PDFlib8注册机和序列号产生规则

*** walker ***

本文出自 “walker的流水账” 博客，请务必保留此出处http://walkerqt.blog.51cto.com/1310630/1385138

更多:python encode64用PDFlib给PDF添加水印(Python)

https://www.002pc.comhttps://www.002pc.com/python/3638.html

你可能感兴趣的Python,PDFlib,PDF,水印,添加

No alive nodes found in your cluster

0踩

赏

0 赞