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autocroppy.py
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autocroppy.py
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import sys
import os
import cv2
import tkMessageBox
from autocropper import AutoCropper
# changing this to True will cause the program to show the
# original and cropped version and ask if you want to store
# it or not
INTERACTIVE_MODE = False
def show_picture(name, img):
cv2.namedWindow(name, cv2.WINDOW_NORMAL)
cv2.resizeWindow(name, 800, 600)
cv2.imshow(name, img)
def main():
# you can provide both the input and output directory
# yourself, by default dir_in will be the current dir
# and dir_out will be <current_dir>/out/
if len(sys.argv) == 1:
dir_in = os.path.abspath('.')
dir_out = os.path.join(os.path.abspath('.'), "out\\")
elif len(sys.argv) == 2:
dir_in = os.path.abspath(sys.argv[1])
dir_out = os.path.join(os.path.abspath('.'), "out\\")
elif len(sys.argv) == 2:
dir_in = os.path.abspath(sys.argv[1])
dir_out = os.path.abspath(sys.argv[2])
else:
print "usage: gvdl-autocrop [input-dir] [output-dir]"
return 1
# make dir_out if it doesn't exist yet ...
if not os.path.exists(dir_out):
os.mkdir(dir_out)
# loop through *.jpg files in the current direcotry and
# call process_image on them
for f in os.listdir(dir_in):
if os.path.isfile(f) and f[-4:] == ".jpg":
original = cv2.imread(f, cv2.IMREAD_COLOR)
if original == None:
continue
cropper = AutoCropper(original)
cropper.safety_margin = 32
crop = cropper.autocrop()
# calculate how much we've deleted, and print some output
o_area = original.shape[0] * original.shape[1]
c_area = crop.shape[0] * crop.shape[1]
factor_removed = 1.0 - (float(c_area) / float(o_area))
print " >> cropped away " + str(factor_removed*100) + "% from " + os.path.basename(f)
# if we're running interactive, show the original and the
# cropped version and ask whether we should store it, otherwise
# simply store to the out_dir
if INTERACTIVE_MODE:
show_picture("Before", original)
show_picture("After", crop)
cv2.waitKey(0)
cv2.destroyAllWindows()
# ask whether to store...
if INTERACTIVE_MODE:
if tkMessageBox.askyesno("So?", "Store this image in the output directory?"):
cv2.imwrite(os.path.join(dir_out, os.path.basename(f)), crop)
else:
cv2.imwrite(os.path.join(dir_out, os.path.basename(f)), crop)
# entrance point
if __name__ == "__main__":
sys.exit(main())