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Dir : ~/usr/share/libharu/if/python/demo/

Edit File: permission.py

###
## * << 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()