annotate transformations/ttf2jpg.py @ 15:f6b6c74bb82f

Fix the datatypes.
author Arnaud Bergeron <abergeron@gmail.com>
date Thu, 28 Jan 2010 12:31:21 -0500
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children 6d432a5010a2
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1 #!/usr/bin/python
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2 # -*- coding: iso-8859-1 -*-
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3 # ttf2jpg.py converts font files to jpg images
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4 # download fonts from http://www.dafont.com
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5
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6 ##################
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7 # import libraries
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8 ##################
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9
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10 import sys, os, fnmatch
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11 import Image
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12 import ImageFont, ImageDraw
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13
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14 ###########
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15 # variables
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16 ###########
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17 # don't forget the "/" at the end of directories
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18
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19 font_dir = "/usr/share/fonts/truetype/ttf-liberation/"
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20 image_dir = "./images/"
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21 pattern = "*.ttf"
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22
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23 ###########
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24 # functions
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25 ###########
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26
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27 # save a picture of "text" with font "font_file"
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28 def write_image(text, font_file):
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29 # print "Writing \"" + text + "\" with " + font_file + "..."
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30 sys.stdout.write(".")
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31 sys.stdout.flush()
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32
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33 # create a 32x32 white picture, and a drawing space
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34 image = Image.new("L", (32, 32), "White")
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35 draw = ImageDraw.Draw(image)
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36
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37 # load the font with the right size
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38 font = ImageFont.truetype(font_dir + font_file, 28)
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39 w,h = draw.textsize(text, font=font)
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40
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41 # write text and aligns it
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42 draw.text(((32 - w) / 2, ((32 - h) / 2)), text, font=font)
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43
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44 # show image, xv must be installed
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45 #image.show()
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46
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47 # save the picture
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48 image.save(image_dir + text + "-" + font_file + ".jpg")
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49
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50 # write all the letters and numbers into pictures
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51 def process_font(font_file):
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52 for i in range(0, 26):
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53 write_image(chr(ord('a') + i), font_file)
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54 for i in range(0, 26):
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55 write_image(chr(ord('A') + i), font_file)
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56 for i in range(0, 10):
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57 write_image(chr(ord('0') + i), font_file)
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58
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59 ######
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60 # main
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61 ######
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62
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63 # look for ttf files
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64 files = os.listdir(font_dir)
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65 font_files = fnmatch.filter(files, pattern)
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66
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67 # create "image_dir" if it doesn't exist
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68 if not os.path.isdir(image_dir):
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69 os.mkdir(image_dir)
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70
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71 sys.stdout.write( str(len(font_files)) + " fonts found, generating jpg images in folder " + image_dir )
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72 sys.stdout.flush()
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73
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74 # main loop
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75 for font_file in font_files:
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76 process_font(font_file)
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77
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78 sys.stdout.write("\nall done!\n")