better manual mode, grid-fitting preparation

[imago.git] / imago.py

diff --git a/imago.py b/imago.py
index 94f90a0..1e5166c 100755 (executable)
--- a/imago.py
+++ b/imago.py
@@ -1,39 +1,113 @@
 #!/usr/bin/env python
 #!/usr/bin/env python

-"""Usage: imago.py file"""

 
 

-import Image
-import im_debug
+"""Go image recognition"""
+

 import sys
 import sys

-from filter import filter
+import os
+import math
+import argparse

 
 

-class Usage(Exception):
-    def __init__(self, msg):
-        self.msg = msg
+try:
+    import Image, ImageDraw
+except ImportError, msg:
+    print >> sys.stderr, msg
+    sys.exit(1)
+
+import im_debug
+import linef
+import manual
+import intrsc
+import gridf

 
 

-def main(argv=None):
+def main():

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

+    
+    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('-v', '--verbose', dest='verbose', action='store_true',
+                        help="report progress")
+    args = parser.parse_args()
+
+    show_all = args.show_all
+    verbose = args.verbose
+

     try:
     try:

-        if argv is None:
+        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:
+        lines = linef.find_lines(image, show_all, do_something, verbose)
+        grid = gridf.find(lines, image.size, None, None)
+        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)
+
+    board = intrsc.board(image, lines, show_all, do_something)
+
+    #simple ASCII output:
+    for line in board:
+        print ' '.join(line)
+    
+    if len(args.files) > 1:
+        for f in args.files[1:]:

             try:
             try:

-                argv = sys.argv[1]
-            except IndexError:
-                raise Usage('no arguments given')
-    except Usage, err:
-        print >>sys.stderr, err.msg
-        print >>sys.stderr, "for help use --help"
-        return 2
+                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)

 
 

-    #TODO exception on empty argument
-    #TODO exception on file error
-    image = Image.open(argv)
-    im_debug.show(image, "original image")
+    return 0

 
 

-    im_l = image.convert('L')
-    im_debug.show(im_l, "ITU-R 601-2 luma transform")
+class imsave():
+    def __init__(self, saving_dir):
+        self.saving_dir = saving_dir
+        self.saving_num = 0

 
 

-    im_edges = filter(im_l)
-    im_debug.show(im_edges, "edge detection")
+    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__':

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