9-patch.py

# -*- coding:utf-8 -*-

from glob import glob
from PIL import Image
import sys

TRANSPARENT=(255,255,255,0)
BLACK=(0,0,0)

d=dict()
#d["tooltip_background_left.9.png"]=((22,24),(16,18),(5,25),(14,20))
d["tooltip_background_top.9.png"]=((16,18),(28,30),(14,18),(7,32))
d["card_background.9.png"]=((4,6),(4,6),(4,7),(4,7))

def parse(s):
    return [int(x,10) for x in s.strip().split("-")]

def edit(filename,scale):
    img=Image.open(filename)
    pix=img.load()
    w,h=img.size

    k="dpi/"
    idx=filename.find(k)
    key=filename[idx+len(k):]
    if not d.has_key(key): return

    #initialize
    for i in xrange(0,w):
        pix[(i,0)]=TRANSPARENT
        pix[(i,h-1)]=TRANSPARENT

    for i in xrange(0,h):
        pix[(0,i)]=TRANSPARENT
        pix[(w-1,i)]=TRANSPARENT


    #left
    start,end = [int(x*scale) for x in d[key][0]]
    for i in xrange(start,end+1):
        pix[(0,i)]=BLACK

    #top
    start,end = [int(x*scale) for x in d[key][1]]
    for i in xrange(start,end+1):
        pix[(i,0)]=BLACK


    #right
    start,end = [int(x*scale) for x in d[key][2]]
    for i in xrange(start,end+1):
        pix[(w-1,i)]=BLACK

    #bottom
    start,end = [int(x*scale) for x in d[key][3]]
    for i in xrange(start,end+1):
        pix[(i,h-1)]=BLACK

    img.save(filename)







for filename in glob("drawable-mdpi/*.9.png"):
    edit(filename,1.0)

for filename in glob("drawable-hdpi/*.9.png"):
    edit(filename,1.5)

for filename in glob("drawable-xhdpi/*.9.png"):
    edit(filename,2.0)

for filename in glob("drawable-xxhdpi/*.9.png"):
    edit(filename,3.0)

for filename in glob("drawable-xxxhdpi/*.9.png"):
    edit(filename,4.0)

copyimg.py

# -*- coding:utf-8 -*-

from glob import glob
import os

suffix_list=("-mdpi","-hdpi","-xhdpi","-xxhdpi","-xxxhdpi")

d=dict()
d["tooltip_background_left"]="tooltip_background_left.9"

for s in suffix_list:
    cmd="mkdir -p ./drawable"+s
    print cmd
    os.system(cmd)


for filename in glob("*.png"):
    for suf in suffix_list:
        s=suf+".png"
        if filename.endswith(s):
            cmd = "cp %s drawable%s/%s.png"%(filename.replace(" ","\\ "),suf,d[filename[:-len(s)]])
            print cmd
            os.system(cmd)