X-Git-Url: http://git.tomasm.cz/imago.git/blobdiff_plain/52923c557013abe1b5945988b3c7713ad1a904bd..e3b0b7b8f5accc4f6af935923e6db9b34a40b362:/imago.py

diff --git a/imago.py b/imago.py
index 1d364a5..81aa1ac 100755
--- a/imago.py
+++ b/imago.py
@@ -1,22 +1,149 @@
 #!/usr/bin/env python
-"""Usage: imago.py file"""
 
-import Image
-import im_debug
+"""Go image recognition"""
+
 import sys
+import os
+import math
+import argparse
+from operator import itemgetter
+
+try:
+    import Image, ImageDraw
+except ImportError, msg:
+    print >> sys.stderr, msg
+    sys.exit(1)
+
+import im_debug
+import linef
+import manual
 
-def main(argv=None):
+def main():
     """Main function of the program."""
-    if argv is None:
-        argv = sys.argv[1]
+    
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument('file', metavar='file', nargs=1,
+                        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:
+        image = Image.open(args.file[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.file[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)
+
+    image_g = image.copy()
+    draw = ImageDraw.Draw(image_g)
+    for line in [l for s in lines for l in s]:
+        draw.line(linef.line_from_angl_dist(line, image.size), fill=(120, 255, 120))
+    if show_all:
+        do_something(image_g, "the grid")
+ 
+    intersections = intersections_from_angl_dist(lines, image.size)
+    image_g = image.copy()
+    draw = ImageDraw.Draw(image_g)
+    for line in intersections:
+        for (x, y) in line:
+            draw.point((x , y), fill=(120, 255, 120))
+    
+    for line in intersections:
+        print ' '.join([stone_color(image, intersection) for intersection in
+                       line])
+
+    if show_all:
+        do_something(image_g, "intersections")
+
+    return 0
+
+def stone_color(image, (x, y)):
+    suma = 0.
+    for i in range(-2, 3):
+        for j in range(-2, 3):
+            try:
+                suma += sum(image.getpixel((x + i, y + j)))
+            except IndexError:
+                pass
+    suma /= 3 * 25
+    if suma < 55:
+        return 'B'
+    elif suma < 200: 
+        return '.'
+    else:
+        return 'W'
+
+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
+
+def combine(image1, image2):
+    im_l1 = image1.load()
+    im_l2 = image2.load()
+
+    on_both = []
 
-    #TODO exception on empty argument
-    #TODO exception on file error
-    image = Image.open(argv)
-    im_debug.show(image, "Original image")
+    for x in xrange(image1.size[0]):
+        for y in xrange(image1.size[1]):
+            if im_l1[x, y] and im_l2[x, y]:
+                on_both.append((x, y))
+    return on_both
 
-    im_l = image.convert('L')
-    im_debug.show(im_l, "ITU-R 601-2 luma transform")
+def intersections_from_angl_dist(lines, size):
+    intersections = []
+    for (angl1, dist1) in sorted(lines[1], key=itemgetter(1)):
+        line = []
+        for (angl2, dist2) in sorted(lines[0], key=itemgetter(1)):
+            if abs(angl1 - angl2) > 0.4:
+                x =  - ((dist2 / math.cos(angl2))-(dist1 / math.cos(angl1))) / (math.tan(angl1) - math.tan(angl2))
+                y = (math.tan(angl1) * x) - (dist1 / math.cos(angl1))
+                if (-size[0] / 2 < x < size[0] / 2 and 
+                    -size[1] / 2 < y < size[1] / 2):
+                    line.append((int(x + size[0] / 2), int(y + size[1] / 2)))
+        intersections.append(line)
+    return intersections
 
 if __name__ == '__main__':
-    main()
+    try:
+        sys.exit(main())
+    except KeyboardInterrupt:
+        print "Interrupted."
+        sys.exit()