# HG changeset patch
# User guitch
# Date 1264543756 18000
# Node ID 424b5b0d9fcb08f772567eed6dfb2d450e8a8e3b
# Parent  8d1c3719012254e9e5c9ac303474c7fae9da3201
Image generation from fonts added

diff -r 8d1c37190122 -r 424b5b0d9fcb transformations/ttf2jpg.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/transformations/ttf2jpg.py	Tue Jan 26 17:09:16 2010 -0500
@@ -0,0 +1,78 @@
+#!/usr/bin/python
+# -*- coding: iso-8859-1 -*-
+# ttf2jpg.py converts font files to jpg images
+# download fonts from http://www.dafont.com
+
+##################
+# import libraries
+##################
+
+import sys, os, fnmatch
+import Image
+import ImageFont, ImageDraw
+
+###########
+# variables
+###########
+# don't forget the "/" at the end of directories
+
+font_dir = "/usr/share/fonts/truetype/ttf-liberation/"
+image_dir = "./images/"
+pattern = "*.ttf"
+
+###########
+# functions
+###########
+
+# save a picture of "text" with font "font_file"
+def write_image(text, font_file):
+#	print "Writing \"" + text + "\" with " + font_file + "..."
+	sys.stdout.write(".")
+	sys.stdout.flush()
+
+	# create a 32x32 white picture, and a drawing space
+	image = Image.new("L", (32, 32), "White")
+	draw = ImageDraw.Draw(image)
+
+	# load the font with the right size
+	font = ImageFont.truetype(font_dir + font_file, 28)
+	w,h =  draw.textsize(text, font=font)
+
+	# write text and aligns it
+	draw.text(((32 - w) / 2, ((32 - h) / 2)), text, font=font)
+
+	# show image, xv must be installed
+	#image.show()
+
+	# save the picture
+	image.save(image_dir + text + "-" + font_file + ".jpg")
+
+# write all the letters and numbers into pictures
+def process_font(font_file):
+	for i in range(0, 26):
+		write_image(chr(ord('a') + i), font_file)
+	for i in range(0, 26):
+		write_image(chr(ord('A') + i), font_file)
+	for i in range(0, 10):
+		write_image(chr(ord('0') + i), font_file)
+
+######
+# main
+######
+
+# look for ttf files
+files = os.listdir(font_dir)
+font_files = fnmatch.filter(files, pattern)
+
+# create "image_dir" if it doesn't exist
+if not os.path.isdir(image_dir):
+	os.mkdir(image_dir)
+
+sys.stdout.write( str(len(font_files)) + " fonts found, generating jpg images in folder " + image_dir )
+sys.stdout.flush()
+
+# main loop
+for font_file in font_files:
+	process_font(font_file)
+
+sys.stdout.write("\nall done!\n")
\ No newline at end of file