ImageDraw support for Bangla language

if your bangla conbine character boken to draw pillow image please follow this instruction.

Broken text image

from PIL import ImageFont, Image, ImageDraw, ImageChops, ImageOps
w, h = 64, 64
w0, h0 = 256, 256
blank = Image.new('L', (w0 * 5, h0 * 3), 255)
font = 'Siyamrupali.ttf'
font = ImageFont.truetype(font, 20)  
char = 'দৃষ্টিভঙ্গি'
img = Image.new("L", (w0 * 5, h0 * 3), 255) 
draw = ImageDraw.Draw(img)
draw.text((w0, h0), char, font=font,layout_engine=ImageFont.LAYOUT_RAQM)
diff = ImageChops.difference(img, blank)
lx, ly, hx, hy = diff.getbbox()
img = img.crop((lx, ly, hx, hy))
img.save('image' + '.png')

Run,

sudo apt-get install libfreetype6-dev libharfbuzz-dev libfribidi-dev gtk-doc-tools

then clone pillow git and go depends folder

Run,

chmod +x install_raqm.sh

./install_raqm.sh

uninstall your previous pillow version and install,

conda install pillow=6.0.0

After following this process my problem solve.