Created
September 24, 2022 18:59
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#@title ImagePromptEmbedder - WIP | |
class ImagePromptEmbedder: | |
def __init__(self): | |
return | |
def get_footer_height(self, image_size = (0, 0), prompt_string = "", font_size = 9, thumbnail_size = (0, 0)): | |
footer_height = 0 | |
line_height = font_size * 1.5 | |
column_width = int( (image_size[0] - thumbnail_size[0]) / (0.5 * font_size) ) | |
footer_height = int( ((len(prompt_string) / column_width) + 1 ) * line_height) + 5 | |
footer_height = max(footer_height, thumbnail_size[1]) # leave room for the thumbnail if it's bigger than (0.0,0.0) | |
return footer_height | |
def file_exists(filepath): | |
from os import path | |
exists = True if filepath != None and filepath != '' and path.exists(filepath) else False | |
return exists | |
def get_font(self, font_name, font_size): | |
import glob | |
import os | |
from PIL import ImageFont | |
pattern = '/usr/share/fonts/truetype/**/'+font_name | |
for fname in glob.glob(pattern, recursive=True): | |
if os.path.isfile(fname): | |
return(ImageFont.truetype(fname, font_size)) | |
def append_text_to_image(self, image_obj, text_to_add="", font_size=9, thumbnail_size_for_padding=(0,0)): | |
from os import path | |
from PIL import ImageOps, ImageDraw, ImageFont | |
text_to_add = text_to_add.replace("\n", "").replace(" ", " ").strip() | |
footer_size = self.get_footer_height(image_obj.size, text_to_add, font_size, (0,0)) | |
footer_color = "#222222" | |
newImage = ImageOps.expand(image_obj, (0, footer_size), footer_color ) # add top and bottom border | |
newImage = newImage.crop((0, footer_size, image_obj.width, image_obj.height + 2*footer_size) ) # remove the top border | |
# add the text to the footer | |
draw = ImageDraw.Draw(newImage) | |
myFont = self.get_font("LiberationSans-Regular.ttf", font_size) # choose a font available on default google colab, so you don't have to download anything. | |
highlight_color = (255,255,255) | |
column_width = int((image_obj.width - thumbnail_size_for_padding[0]) / (0.5 * font_size)) # adjust this later with thumbnail size if you plan to paste in a thumbnail | |
separated_lines = [text_to_add[index : index + column_width] for index in range(0, len(text_to_add), column_width)] | |
draw.multiline_text((5, image_obj.height + 5), '\n'.join(separated_lines), font=myFont, fill=highlight_color) | |
return newImage |
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