DevelopperTools: util_sfontmaker.py

# -*- coding: iso-8859-1 -*-
#Sfontmaker:
#This script processes an image file to make it a valid sFont file.
#The input file should contain these characters:
#
# ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f g h i j k l m n o p q r s t u v w x y z { | } ~ ¡ ¢ £ € ¥ Š § š © ª « ¬ ­ ® ¯ ° ± ² ³ Ž µ ¶ · ž ¹ º » Œ œ Ÿ ¿ À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Ð Ñ Ò Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß à á â ã ä å æ ç è é ê ë ì í î ï ð ñ ò ó ô õ ö ÷ ø ù ú û ü ý þ ÿ
#
#This script can output only to bmp or (better) tga files. You'll have to convert to png with other tools.

import sys
import pygame

if len(sys.argv) < 2:
  print
  print "Usage: %s fileInput [fileOutput]" % sys.argv[0]
  print "fileOutput defaults to 'output.tga' and can be in bmp or tga format."
  sys.exit()

print "-" * 78
print sys.argv[0]
print "Script to process an image file and make it a sFont"
print "-" * 78
print " Opening file: %s" % sys.argv[1]
filename = sys.argv[1]
surface = pygame.image.load(filename)
charPos = []

if len(sys.argv) >= 3:
  fOut = sys.argv[2]
else:
  fOut = "output.tga"
PINK = (255,0,255)
VOID = surface.get_at((0,1))

#Pulisco una riga di pixel:
surface.fill(VOID, (0, 0, surface.get_width(), 1))

#Loop per i pixel:
print " Analyzing..."
print
wPixels = enumerate(surface.get_at((i, 0)) for i in xrange(surface.get_width()))

charStart = 0
inChar = False
warning = False
for i, wPixel in wPixels:
  hPixels = enumerate(surface.get_at((i, j)) for j in xrange(surface.get_height()))
  for j, hPixel in hPixels:
    if hPixel != VOID and hPixel != PINK:
      if not inChar:
        inChar = True
        charStart = i - 1
      break
    elif hPixel == VOID and j == surface.get_height() - 1:
      if inChar:
        #Controllo distanza minima:
        if len(charPos) > 0:
          lastChar = charPos[len(charPos) - 1]
          if charStart - lastChar[1] < 2:
            print " WARNING: character distance too little: %12s %12s" % (str(lastChar), str((charStart, i + 1)))
            warning = True
        charPos.append((charStart, i + 1))
        inChar = False
        break

print
print " Total characters found: %i" % len(charPos)
if len(charPos) != 190:
  print " WARNING: characters should be 190!"
  warning = True
else:
  print
print

#Coloro i pixel:
charStart = 0
for i, char in enumerate(charPos):
  if char[0] - charStart >= 1:
    surface.fill(PINK, (charStart, 0, char[0] - charStart, 1))
    charStart = char[1]
  
  if i == len(charPos) - 1:
    surface.fill(PINK, (char[1] + 1, 0, surface.get_width() - char[1] - 1, 1))

#Salvo la nuova immagine:
pygame.image.save(surface, fOut)
print " Written file %s" % fOut
if warning:
  print " Please read the WARNINGS and check your file!"
print "-" * 78
print "COMPLETED"
print "-" * 78