###
## * << Haru Free PDF Library 2.0.0 >> -- grid_sheet.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_grid (pdf, page):
height = HPDF_Page_GetHeight (page)
width = HPDF_Page_GetWidth (page)
font = HPDF_GetFont (pdf, "Helvetica", NULL)
HPDF_Page_SetFontAndSize (page, font, 5)
HPDF_Page_SetGrayFill (page, 0.5)
HPDF_Page_SetGrayStroke (page, 0.8)
# Draw horizontal lines
y = 0
while (y < height):
if (y % 10 == 0):
HPDF_Page_SetLineWidth (page, 0.5)
else:
if (HPDF_Page_GetLineWidth (page) != 0.25):
HPDF_Page_SetLineWidth (page, 0.25)
HPDF_Page_MoveTo (page, 0, y)
HPDF_Page_LineTo (page, width, y)
HPDF_Page_Stroke (page)
if (y % 10 == 0 and y > 0):
HPDF_Page_SetGrayStroke (page, 0.5)
HPDF_Page_MoveTo (page, 0, y)
HPDF_Page_LineTo (page, 5, y)
HPDF_Page_Stroke (page)
HPDF_Page_SetGrayStroke (page, 0.8)
y += 5
# Draw vertical lines
x = 0
while (x < width):
if (x % 10 == 0):
HPDF_Page_SetLineWidth (page, 0.5)
else:
if (HPDF_Page_GetLineWidth (page) != 0.25):
HPDF_Page_SetLineWidth (page, 0.25)
HPDF_Page_MoveTo (page, x, 0)
HPDF_Page_LineTo (page, x, height)
HPDF_Page_Stroke (page)
if (x % 50 == 0 and x > 0):
HPDF_Page_SetGrayStroke (page, 0.5)
HPDF_Page_MoveTo (page, x, 0)
HPDF_Page_LineTo (page, x, 5)
HPDF_Page_Stroke (page)
HPDF_Page_MoveTo (page, x, height)
HPDF_Page_LineTo (page, x, height - 5)
HPDF_Page_Stroke (page)
HPDF_Page_SetGrayStroke (page, 0.8)
x += 5
# Draw horizontal text
y = 0
while (y < height):
if (y % 10 == 0 and y > 0):
HPDF_Page_BeginText (page)
HPDF_Page_MoveTextPos (page, 5, y - 2)
buf="%u" % y
HPDF_Page_ShowText (page, buf)
HPDF_Page_EndText (page)
y += 5
# Draw vertical text
x = 0
while (x < width):
if (x % 50 == 0 and x > 0):
HPDF_Page_BeginText (page)
HPDF_Page_MoveTextPos (page, x, 5)
buf="%u" % x
HPDF_Page_ShowText (page, buf)
HPDF_Page_EndText (page)
HPDF_Page_BeginText (page)
HPDF_Page_MoveTextPos (page, x, height - 10)
HPDF_Page_ShowText (page, buf)
HPDF_Page_EndText (page)
x += 5
HPDF_Page_SetGrayFill (page, 0)
HPDF_Page_SetGrayStroke (page, 0)
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
# add a new page object.
page = HPDF_AddPage (pdf)
HPDF_Page_SetHeight (page, 600)
HPDF_Page_SetWidth (page, 400)
print_grid (pdf, page)
# save the document to a file
HPDF_SaveToFile (pdf, fname)
# clean up
HPDF_Free (pdf)
return 0
if __name__=='__main__':
main()
__all__=['print_grid'] |