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✏️ Editing: link_annotation.py

###
## * << Haru Free PDF Library 2.0.0 >> -- link_annotation.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 *

@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 print_page  (page, font, page_num):

HPDF_Page_SetWidth (page, 200)
    HPDF_Page_SetHeight (page, 200)

HPDF_Page_SetFontAndSize (page, font, 20)

HPDF_Page_BeginText (page)
    HPDF_Page_MoveTextPos (page, 50, 150)

buf= "Page:%d" % page_num

HPDF_Page_ShowText (page, buf)
    HPDF_Page_EndText (page)

def main():

global pdf

fname=os.path.realpath(sys.argv[0])
    fname=fname[:fname.rfind('.')]+'.pdf'

page=[None for i in range(9)]
    rect=HPDF_Rect()

uri = "http://libharu.org"

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)

# create index page
    index_page = HPDF_AddPage (pdf)
    HPDF_Page_SetWidth (index_page, 300)
    HPDF_Page_SetHeight (index_page, 220)

# Add 7 pages to the document.
    for i in range(7):
        page[i] = HPDF_AddPage (pdf)
        print_page(page[i], font, i + 1)

HPDF_Page_BeginText (index_page)
    HPDF_Page_SetFontAndSize (index_page, font, 10)
    HPDF_Page_MoveTextPos (index_page, 15, 200)
    HPDF_Page_ShowText (index_page, "Link Annotation Demo")
    HPDF_Page_EndText (index_page)

##
    # * Create Link-Annotation object on index page.
    #
    HPDF_Page_BeginText(index_page)
    HPDF_Page_SetFontAndSize (index_page, font, 8)
    HPDF_Page_MoveTextPos (index_page, 20, 180)
    HPDF_Page_SetTextLeading (index_page, 23)

# page1 (HPDF_ANNOT_NO_HIGHTLIGHT)
    tp = HPDF_Page_GetCurrentTextPos (index_page)

HPDF_Page_ShowText (index_page, "Jump to Page1 (HilightMode=HPDF_ANNOT_NO_HIGHTLIGHT)")
    rect.left = tp.x - 4
    rect.bottom = tp.y - 4
    rect.right = HPDF_Page_GetCurrentTextPos (index_page).x + 4
    rect.top = tp.y + 10

HPDF_Page_MoveToNextLine (index_page)

dst = HPDF_Page_CreateDestination (page[0])