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[imago.git] / imago.py

diff --git a/imago.py b/imago.py
index 0fee41f..d648580 100755 (executable)
--- a/imago.py
+++ b/imago.py
@@ -1,47 +1,134 @@
 #!/usr/bin/env python
 #!/usr/bin/env python

-"""Usage: imago.py file"""
+
+"""Go image recognition"""

 
 import sys
 
 import sys

-import Image
-import im_debug
-import filter
-import hough
+import os
+import argparse
+import pickle

 
 

-class UsageError(Exception):
-    def __init__(self, msg):
-        self.msg = msg
+try:
+    import Image, ImageDraw
+except ImportError, msg:
+    print >> sys.stderr, msg
+    sys.exit(1)

 
 

-def main(*argv):
+import im_debug
+import linef
+import manual
+import intrsc
+import gridf
+
+def main():

     """Main function of the program."""
     """Main function of the program."""

-    try:
-        if argv is ():
-            argv = sys.argv[1:]
-            if argv == []:
-                raise UsageError('Missing filename')
-        if "--help" in argv:
-                print __doc__
-                return 0    
-    except UsageError, err:
-        print >>sys.stderr, err.msg, "(\"imago.py --help\" for help)"
-        return 2
+    
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument('files', metavar='file', nargs='+',
+                        help="image to analyse")
+    parser.add_argument('-w', type=int, default=640,
+                    help="scale image to the specified width before analysis")
+    parser.add_argument('-m', '--manual', dest='manual_mode',
+                        action='store_true',
+                        help="manual grid selection")
+    parser.add_argument('-d', '--debug', dest='show_all',
+                        action='store_true',
+                        help="show every step of the computation")
+    parser.add_argument('-s', '--save', dest='saving', action='store_true',
+                        help="save images instead of displaying them")
+    parser.add_argument('-c', '--cache', dest='l_cache', action='store_true',
+                        help="use cached lines")
+    parser.add_argument('-v', '--verbose', dest='verbose', action='store_true',
+                        help="report progress")
+    args = parser.parse_args()

 
 

-    #TODO exception on file error
-    image = Image.open(argv[0])
-    #im_debug.show(image, "original image")
+    show_all = args.show_all
+    verbose = args.verbose

 
 

-    im_l = image.convert('L')
-    #im_debug.show(im_l, "ITU-R 601-2 luma transform")
+    try:
+        image = Image.open(args.files[0])
+    except IOError, msg:
+        print >> sys.stderr, msg
+        return 1
+    if image.mode == 'P':
+        image = image.convert('RGB')
+    
+    if image.size[0] > args.w:
+        image = image.resize((args.w, int((float(args.w)/image.size[0]) *
+                              image.size[1])), Image.ANTIALIAS)
+    do_something = im_debug.show
+    if args.saving:
+        do_something = Imsave("saved/" + args.files[0][:-4] + "_" +
+                               str(image.size[0]) + "/").save
+
+    if args.manual_mode:
+        try:
+            lines = manual.find_lines(image)
+        except manual.UserQuitError:
+            #TODO ask user to try again
+            return 1
+    else:
+        if args.l_cache:
+            filename = ("saved/cache/" + args.files[0][:-4] + "_" +
+                       str(image.size[0]))
+            if os.path.exists(filename):
+                lines, l1, l2, bounds, hough = pickle.load(open(filename))
+                print >> sys.stderr, "using cached results"
+                im_h = None
+            else:
+                lines, l1, l2, bounds, hough, im_h = linef.find_lines(image, show_all, do_something, verbose)
+                if not os.path.isdir("saved/cache"):
+                    os.makedirs("saved/cache")
+                d_file = open(filename, 'wb')
+                pickle.dump((lines, l1, l2, bounds, hough), d_file)
+                d_file.close()
+        else:
+            lines, l1, l2, bounds, hough, im_h = linef.find_lines(image, show_all, do_something, verbose)

 
 

-    im_edges = filter.edge_detection(im_l)
-    #im_debug.show(im_edges, "edge detection")
+        grid, lines = gridf.find(lines, image.size, l1, l2, bounds, hough,
+                                 do_something, im_h)
+        if show_all:
+            im_g = image.copy()
+            draw = ImageDraw.Draw(im_g)
+            for l in grid[0] + grid[1]:
+                draw.line(l, fill=(64, 255, 64), width=1)
+            do_something(im_g)

 
 

-    im_h = filter.high_pass(im_edges, 80)
-    #im_debug.show(im_h, "high pass filter")
+    board = intrsc.board(image, lines, show_all, do_something)

 
 

-    im_hough = hough.transform(im_h)
-    im_debug.show(im_hough, "hough transform")
+    #simple ASCII output:
+    for line in board:
+        print ' '.join(line)
+    
+    if len(args.files) > 1:
+        for f in args.files[1:]:
+            try:
+                image = Image.open(f)
+            except IOError, msg:
+                print >> sys.stderr, msg
+                continue
+            if image.mode == 'P':
+                image = image.convert('RGB')
+            board = intrsc.board(image, lines, show_all, do_something)
+            for line in board:
+                print ' '.join(line)

 
     return 0
 
 
     return 0
 

+class Imsave():
+    def __init__(self, saving_dir):
+        self.saving_dir = saving_dir
+        self.saving_num = 0
+
+    def save(self, image, title=''):
+        filename = self.saving_dir + "{0:0>2}".format(self.saving_num) + '.jpg'
+        if not os.path.isdir(self.saving_dir):
+            os.makedirs(self.saving_dir)
+        image.save(filename, 'JPEG')
+        self.saving_num += 1
+

 if __name__ == '__main__':
 if __name__ == '__main__':

-    sys.exit(main())
+    try:
+        sys.exit(main())
+    except KeyboardInterrupt:
+        print "Interrupted."
+        sys.exit()