pil example text2png (snippet)

Python pil example 'text2png'

Functions in program:

• def text2png(text, fullpath, color = "#000", bgcolor = "#FFF", fontfullpath = None, fontsize = 13, leftpadding = 3, rightpadding = 3, width = 200):

Modules used in program:

• import PIL

python text2png

Python pil example: text2png

# coding=utf8

import PIL
from PIL import ImageFont
from PIL import Image
from PIL import ImageDraw

def text2png(text, fullpath, color = "#000", bgcolor = "#FFF", fontfullpath = None, fontsize = 13, leftpadding = 3, rightpadding = 3, width = 200):
    REPLACEMENT_CHARACTER = u'\uFFFD'
    NEWLINE_REPLACEMENT_STRING = ' ' + REPLACEMENT_CHARACTER + ' '

    #prepare linkback
    linkback = "created via http://ourdomain.com"
    fontlinkback = ImageFont.truetype('font.ttf', 8)
    linkbackx = fontlinkback.getsize(linkback)[0]
    linkback_height = fontlinkback.getsize(linkback)[1]
    #end of linkback

    font = ImageFont.load_default() if fontfullpath == None else ImageFont.truetype(fontfullpath, fontsize)
    text = text.replace('\n', NEWLINE_REPLACEMENT_STRING)

    lines = []
    line = u""

    for word in text.split():
        print(word)
        if word == REPLACEMENT_CHARACTER: #give a blank line
            lines.append( line[1:] ) #slice the white space in the begining of the line
            line = u""
            lines.append( u"" ) #the blank line
        elif font.getsize( line + ' ' + word )[0] <= (width - rightpadding - leftpadding):
            line += ' ' + word
        else: #start a new line
            lines.append( line[1:] ) #slice the white space in the begining of the line
            line = u""

            #TODO: handle too long words at this point
            line += ' ' + word #for now, assume no word alone can exceed the line width

    if len(line) != 0:
        lines.append( line[1:] ) #add the last line

    line_height = font.getsize(text)[1]
    img_height = line_height * (len(lines) + 1)

    img = Image.new("RGBA", (width, img_height), bgcolor)
    draw = ImageDraw.Draw(img)

    y = 0
    for line in lines:
        draw.text( (leftpadding, y), line, color, font=font)
        y += line_height

    # add linkback at the bottom
    draw.text( (width - linkbackx, img_height - linkback_height), linkback, color, font=fontlinkback)

    img.save(fullpath)

#show time
text2png(u"This is\na\ntest şğıöç zaa xd ve lorem hipster", 'test.png', fontfullpath = "font.ttf")

Python links

• Learn Python: https://pythonbasics.org/
• Python Tutorial: https://pythonprogramminglanguage.com