###
## * << Haru Free PDF Library 2.0.0 >> -- make_rawimage.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 main ():
global pdf
if (len(sys.argv) < 2):
printf ("usage: make_rawimage <in-file-name> <out-file-name>\n")
return 1
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
# load image file.
image = HPDF_LoadPngImageFromFile (pdf, sys.argv[1])
iw = HPDF_Image_GetWidth (image)
ih = HPDF_Image_GetHeight (image)
bits_per_comp = HPDF_Image_GetBitsPerComponent (image)
cs = HPDF_Image_GetColorSpace (image)
printf ("width=%u\n", iw)
printf ("height=%u\n", ih)
printf ("bits_per_comp=%u\n", bits_per_comp)
printf ("color_space=%s\n", cs)
# save raw-data to file
stream = HPDF_FileWriter_New (pdf.mmgr, sys.argv[2])
if (not stream):
printf ("cannot open %s\n", sys.argv[2])
else:
HPDF_Stream_WriteToStream(image.stream, stream, 0, NULL)
HPDF_Stream_Free (stream)
# clean up
HPDF_Free (pdf)
return 0
main() |