[Image-SIG] Putting a unicode string on an ImageDraw canvas

[Thomas Larsen Wessel]

Thanks :)

Here is an example that shows how both draw.text and draw.textsize works, as
long as a unicode-supported font is supplied. It also shows how to get the
text size directly from the font object.

import ImageFont, Image, ImageDraw

s = u'\u0623\u0636\u0641'

font = ImageFont.truetype('/host/WINDOWS/Fonts/tahoma.ttf', 12,
encoding='unic')
print font.getsize(s) # no problem, works fine

im = Image.new('RGB', (200,200))
draw = ImageDraw.Draw(im)
print draw.textsize(s, font=font) #fails




Thomas





On Mon, Jan 10, 2011 at 2:27 PM, Fredrik Lundh <fredrik at pythonware.com>wrote:

> 2011/1/10 Thomas Larsen Wessel <mrvelle at gmail.com>:
> > People are telling me that PIL supports unicode strings, does it? And if
> > yes, why does the following not work:
> >
> > import ImageFont, Image, ImageDraw
> > s = u'\u0623\u0636\u0641'
> > im = Image.new('RGB', (200,200))
> > draw = ImageDraw.Draw(im)
> > draw.text((40,40), s) #fails
> >
> > It results in the following exception:
> >
> > Traceback (most recent call last):
> >   File "buffer.py", line 9, in <module>
> >     draw.text((40,40), s) #fails
> >   File "/usr/lib/python2.6/dist-packages/PIL/ImageDraw.py", line 267, in
> > text
> >     mask = font.getmask(text, self.fontmode)
> > UnicodeEncodeError: 'ascii' codec can't encode characters in position
> 0-2:
> > ordinal not in range(128)
> >
> > So how, do I put this unicode string on the canvas?
>
> You'll need a font that supports Unicode, which the crappy default
> bitmap font doesn't.  Use the ImageFont module to load a suitable
> TrueType font.
>
> </F>
>
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