Engine for LaTeX songbooks http://www.patacrep.com
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#Author: Romain Goffe
#Date: 28/12/2011
#Description: Resize all covers to 128,128 thumbnails
import Image
from utils.utils import recursiveFind
# Process song files
covers = recursiveFind(os.path.join(library, 'songs'), '*.jpg')
for filename in covers:
source = Image.open(filename)
src_width = source.size[0]
src_height = source.size[1]
ratio = float(src_height) / float(src_width)
width = 128
height = 128
error = 0.2 #0: always preserve ratio; 1: always square images
#tolerate almost square images
if ratio < 1 - error or ratio > 1 + error:
#print "preserve ratio = ", ratio
#preserve important ratio
if src_width < src_height:
height = int(width * ratio)
elif src_height < src_width:
width = int(height * ratio)
if src_width > width and src_height > height:
print "resize: ", filename, " from ", source.size, " to ", (width, height)
target = source.resize((width, height), Image.ANTIALIAS)
target.save(filename)