generating Verilog input data from tiff images

from __future__ import division

from __future__ import print_function

'''

# Copyright (C) 2015, Elphel.inc.

# Class to export hardware definitions from Verilog parameters  

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http:#www.gnu.org/licenses/>.

@author:     Andrey Filippov

@copyright:  2015 Elphel, Inc.

@license:    GPLv3.0+

@contact:    andrey@elphel.com

@deffield    updated: Updated

'''

__author__ = "Andrey Filippov"

__copyright__ = "Copyright 2015, Elphel, Inc."

__license__ = "GPL"

__version__ = "3.0+"

__maintainer__ = "Andrey Filippov"

__email__ = "andrey@elphel.com"

__status__ = "Development"

from PIL import Image

import sys

import numpy as np

class imagej_tiff:

  # imagej stores labels lengths in this tag

  __TIFF_TAG_LABELS_LENGTHS = 50838

  # imagej stores labels conents in this tag

  __TIFF_TAG_LABELS_STRINGS = 50839

  # init

  def __init__(self,filename, digits, outname):

    # file name

    self.fname = filename

    self.outname = outname

    tif = Image.open(filename)

    # total number of layers in tiff

#    self.nimages = tif.n_frames

    # labels array

#    self.labels = []

    # infos will contain xml data Elphel stores in some of tiff files

#    self.infos = []

    # dictionary from decoded infos[0] xml data

#    self.props = {}

    # bits per sample, type int

#    self.bpp = tif.tag[258][0]

    image_array = np.array(tif)

    f="%%0%dx"%(digits)

    with open(outname,"w") as outfile:

        print("//",file=outfile)

        print("// autogenerated from %s"%(fname),file=outfile)

        print("//",file=outfile)

        for image_line in image_array:

            for pixel in image_line:

                print(f%(pixel), file=outfile, end = " ")

            print(file=outfile)

    tif.close()

#MAIN

if __name__ == "__main__":

  try:

    fname = sys.argv[1]

  except IndexError:

    fname = "/data_ssd/nc393/elphel393/fpga-elphel/x393/attic/hor-pairs-12b-1044x36.tiff"

  try:

    digits = int(sys.argv[2])

  except:

    digits = 3

  try:

    outname = sys.argv[3]

  except IndexError:

    outname = fname.replace(".tiff",".vh")  

  ijt = imagej_tiff(fname,digits,outname)    

  print ("All done!")

 No newline at end of file