from PIL import Image,ImageDraw,ImageFont
import sys

if len(sys.argv)<=1:
    print('not enough arguments')
    sys.exit()

unicode_text= sys.argv[1]

#unicode_text = "這是一段中文測試"
#font = ImageFont.truetype("c:/portable/fonts/華康綜藝體.ttf", 40,encoding='big5')
#font = ImageFont.truetype("c:/portable/fonts/華康綜藝體.ttf", 40,encoding='big5')

#font = ImageFont.truetype("c:/portable/fonts/adv.ttf", 40,encoding='big5')
font = ImageFont.truetype("/var/fonts/adv.ttf", 48,encoding='big5')

text_width, text_height = font.getsize(unicode_text)

canvas = Image.new('RGBA', (1600, 500), (255, 0, 0, 0) )

draw = ImageDraw.Draw(canvas)

def myunichchar(unicode_char):
    mb_string = unicode_char.encode('big5')
    try:
        unicode_char = unichr(ord(mb_string[0]) << 8 | ord(mb_string[1]))
    except NameError:
        unicode_char = chr(mb_string[0] << 8 | mb_string[1])
    return unicode_char

text=''
for c in unicode_text:
    text+=myunichchar(c)
#text=myunichchar('中')+myunichchar('文')+myunichchar('測')+myunichchar('試')
draw.text((5,5), text, (255, 255, 255), font)

# save the blank canvas to a file
canvas.save("/var/txt/title.png", "PNG")
#canvas.show()