generating Verilog input data from tiff images

py393/x393_tiff_verilog.py

+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!")
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