photoresize

Simple Python script for resizing all photos in a directory Requires PIL library - http://www.pythonware.com/products/pil/

Sample usage

	#
	#  This script will resize all images in a directory to the MAXSIZE setting.
	#  It will keep the image dimensions proportional to the original image.
	#  Tom Swanson  Esri  4/2/2013

	from PIL import Image #download from here - http://www.pythonware.com/products/pil/
	import os    

	#Input Directory
	indir = "C:/Temp/PhotoIn"
	outdir = "C:/Temp/PhotoOut"
	MAXSIZE = 600 # Maximum width or height for your photo

	files_in_dir = os.listdir(indir)
	for file_in_dir in files_in_dir:

	    WIDTHSIZE = MAXSIZE
	    HEIGHTSIZE = MAXSIZE


	    im = Image.open(indir+"\\"+file_in_dir) # open the input file
	    (width, height) = im.size        # get the size of the input image


	    if width > MAXSIZE or height > MAXSIZE: #only resize if height or width is greater than maxsize
		if width > height:
		    HEIGHTSIZE = (MAXSIZE*height)/width
		elif height > width:
		    WIDTHSIZE = (MAXSIZE*width)/height


	    print file_in_dir +" - "+str(width)+" - "+str(height)+" - "+str(WIDTHSIZE)+" - "+str(HEIGHTSIZE)

	    im = im.resize((WIDTHSIZE, HEIGHTSIZE), Image.ANTIALIAS)

	    im.save(outdir+"\\"+file_in_dir, "jpeg", quality = 100)