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wallpaper-gen

#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Made by p4p1
# wallpaper-gen
# can be found on a website: https://p4p1.github.io/wallpaper-gen.html
#
# Description:
# Script to generate a wallpaper from a folder of different images
# And displays them in a grid layout as followed:
# +--------------------------------------------+
# |    |    |    |    |    |    |    |    |    |
# |    |    |    |    |    |    |    |    |    |
# |--------------------------------------------|
# |    |    |    |    |    |    |    |    |    |
# |    |    |    |    |    |    |    |    |    |
# |--------------------------------------------|
# |    |    |    |    |    |    |    |    |    |
# |    |    |    |    |    |    |    |    |    |
# +--------------------------------------------+

from PIL import Image
import glob, os, os.path, sys, getopt, random, math

WIDTH=1920
HEIGHT=1080

def usage():
    print "Usage: %s [OPTION]" % sys.argv[0]
    print "Wallpaper Generator made by p4p1"
    print "\t-w\t--width=\tChange width of monitor (default: %d)" % WIDTH
    print "\t-e\t--height=\tChange height of monitor (default: %d)" % HEIGHT
    print "\t-d\t--dir=\t\tGive the dirrectory where all the images are"
    print "\t-o\t--output=\tThe name of the output file of the program"
    print "\t-s\t--shuffle\tShuffle the order of the images in the grid"
    print "\t-h\t--help\t\tThis message"

def generator(DIR='./images/', fname='./wallpaper.jpg', shuffle=False, v=False):
    if v:
        print "Generating wallpaper by p4p1"
    number_files=len([name for name in os.listdir(DIR) if os.path.isfile(os.path.join(DIR, name))])
    onlyfiles=[f for f in os.listdir(DIR) if os.path.isfile(os.path.join(DIR, f))]
    screen_size=(WIDTH, HEIGHT)
    one_side=math.trunc(math.sqrt((screen_size[0]*screen_size[1]) / number_files))
    size= one_side, one_side
    if v:
        print "Size of cell: %d" % one_side
    allimg=[]
    dst=Image.new('RGB', screen_size)
    posx=0
    posy=0
    inc=0

    for infile in onlyfiles:
        file, ext = os.path.splitext(infile)
        im = Image.open(DIR+infile)
        im.thumbnail(size)
        if v:
            print "Found image: %s" % infile
        allimg.append(im)
    if shuffle == True:
        if v:
            print "Randomizing files"
        random.shuffle(allimg)
    while posy < screen_size[1] and inc < number_files:
        posx = 0
        while posx < screen_size[0] - 50 and inc < number_files:
            if v:
                print "Placing image:"
                print allimg[inc]
            dst.paste(allimg[inc], (posx, posy))
            posx+=one_side
            inc+=1
        posy+=one_side

    dst.save(fname)

if __name__ == "__main__":
    try:
        opts, args = getopt.getopt(sys.argv[1:], "hw:e:d:o:sv", ["help", "width=", "height=", "dir=", "output=", "shuffle"])
    except getopt.GetoptError as err:
        print str(err)
        usage()
        sys.exit(-1)
    dirs='./album_covers/'
    output='./wallpaper.jpg'
    verbose=False
    shufle=False
    for o, a in opts:
        if o == "-v":
            verbose=True
        elif o in ("-h", "--help"):
            usage()
            sys.exit(0)
        elif o in ("-w", "--width"):
            WIDTH = int(a)
        elif o in ("-e", "--height"):
            HEIGHT = int(a)
        elif o in ("-d", "--dir"):
            dirs = a
        elif o in ("-o", "--output"):
            output = a
        elif o in ("-s", "--suffle"):
            shufle=True
        else:
            assert False, "unhandled option"
    generator(DIR=dirs, fname=output, shuffle=shufle, v=verbose)
    sys.exit(0)

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