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EDIT :: make_rawimage.py

### ## * << 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()

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