###
## * << Haru Free PDF Library 2.0.0 >> -- permission.c
## *
## * Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp>
## *
## * Permission to use, copy, modify, distribute and sell this software
## * and its documentation for any purpose is hereby granted without fee,
## * provided that the above copyright notice appear in all copies and
## * that both that copyright notice and this permission notice appear
## * in supporting documentation.
## * It is provided "as is" without express or implied warranty.
## *
##
## port to python by Li Jun
## http://groups.google.com/group/pythoncia
import os, sys
from ctypes import *
up=2
def setlibpath(up):
import sys
path=os.path.normpath(os.path.split(os.path.realpath(__file__))[0]+'\..'*up)
if path not in sys.path:
sys.path.append(path)
setlibpath(up)
from haru import *
from haru.c_func import *
from haru.hpdf_errorcode import *
text = "User cannot print and copy this document."
owner_passwd = "owner"
user_passwd = ""
@HPDF_Error_Handler(None, HPDF_UINT, HPDF_UINT, c_void_p)
def error_handler (error_no, detail_no, user_data):
global pdf
printf ("ERROR: %s, detail_no=%u\n", error_detail[error_no],
detail_no)
HPDF_Free (pdf)
sys.exit(1)
def main ():
global pdf
fname=os.path.realpath(sys.argv[0])
fname=fname[:fname.rfind('.')]+'.pdf'
pdf = HPDF_New (error_handler, NULL)
if (not pdf):
printf ("error: cannot create PdfDoc object\n")
return 1
# create default-font
font = HPDF_GetFont (pdf, "Helvetica", NULL)
# add a new page object.
page = HPDF_AddPage (pdf)
HPDF_Page_SetSize (page, HPDF_PAGE_SIZE_B5, HPDF_PAGE_LANDSCAPE)
HPDF_Page_BeginText (page)
HPDF_Page_SetFontAndSize (page, font, 20)
tw = HPDF_Page_TextWidth (page, text)
HPDF_Page_MoveTextPos (page, (HPDF_Page_GetWidth (page) - tw) / 2,
(HPDF_Page_GetHeight (page) - 20) / 2)
HPDF_Page_ShowText (page, text)
HPDF_Page_EndText (page)
HPDF_SetPassword (pdf, owner_passwd, user_passwd)
HPDF_SetPermission (pdf, HPDF_ENABLE_READ)
HPDF_SetEncryptionMode (pdf, HPDF_ENCRYPT_R3, 16)
# save the document to a file
HPDF_SaveToFile (pdf, fname)
# clean up
HPDF_Free (pdf)
return 0
main() |