from os import path as os_path from datetime import datetime from typing import Tuple from PIL import Image, ImageDraw, ImageFont class OverlayImage: WIDTH = 1920//2 HEIGHT = 46//2 BACKGROUND_COLOR = (41, 42, 45) TEXT_COLOR_LARGE = (223, 223, 223) TEXT_COLOR_SMALL = (190, 190, 190) TEXT_COLOR_SEND = (70, 161, 146) TEXT_COLOR_RECEIVE = (220, 20, 60) TEXT_COLOR_TIME = (120, 120, 120) FONT_SIZE_LARGE = HEIGHT FONT_SIZE_SMALL = int(FONT_SIZE_LARGE * 2 / 3) LANGUAGES = { "Japanese": "NotoSansJP-Regular", "Korean": "NotoSansKR-Regular", "Chinese Simplified": "NotoSansSC-Regular", "Chinese Traditional": "NotoSansTC-Regular", } def __init__(self): self.log_data = [] @staticmethod def concatenate_images_vertically(img1: Image, img2: Image) -> Image: dst = Image.new('RGBA', (img1.width, img1.height + img2.height)) dst.paste(img1, (0, 0)) dst.paste(img2, (0, img1.height)) return dst @staticmethod def add_image_margin(image: Image, top: int, right: int, bottom: int, left: int, color: Tuple[int, int, int, int]) -> Image: width, height = image.size new_width = width + right + left new_height = height + top + bottom result = Image.new(image.mode, (new_width, new_height), color) result.paste(image, (left, top)) return result def create_textimage(self, message_type, size, text, language): font_size = self.FONT_SIZE_LARGE if size == "large" else self.FONT_SIZE_SMALL text_color = self.TEXT_COLOR_LARGE if size == "large" else self.TEXT_COLOR_SMALL anchor = "lm" if message_type == "receive" else "rm" text_x = 0 if message_type == "receive" else self.WIDTH align = "left" if message_type == "receive" else "right" font_family = self.LANGUAGES.get(language, "NotoSansJP-Regular") img = Image.new("RGBA", (0, 0), (0, 0, 0, 0)) draw = ImageDraw.Draw(img) font = ImageFont.truetype(os_path.join(os_path.dirname(__file__), "fonts", f"{font_family}.ttf"), font_size) # font = ImageFont.truetype(os_path.join("./fonts", f"{font_family}.ttf"), font_size) text_width = draw.textlength(text, font) character_width = text_width // len(text) character_line_num = int(self.WIDTH // character_width) if len(text) > character_line_num: text = "\n".join([text[i:i+character_line_num] for i in range(0, len(text), character_line_num)]) n_num = len(text.split("\n")) - 1 text_height = int(font_size*(n_num+2)) img = Image.new("RGBA", (self.WIDTH, text_height), (0, 0, 0, 0)) draw = ImageDraw.Draw(img) text_y = text_height // 2 draw.multiline_text((text_x, text_y), text, text_color, anchor=anchor, stroke_width=0, font=font, align=align) return img def create_textimage_message_type(self, message_type): anchor = "lm" if message_type == "receive" else "rm" text = "Receive" if message_type == "receive" else "Send" text_color = self.TEXT_COLOR_RECEIVE if message_type == "receive" else self.TEXT_COLOR_SEND text_color_time = self.TEXT_COLOR_TIME now = datetime.now() formatted_time = now.strftime("%H:%M") font_size = self.FONT_SIZE_SMALL img = Image.new("RGBA", (0, 0), (0, 0, 0, 0)) draw = ImageDraw.Draw(img) font = ImageFont.truetype(os_path.join(os_path.dirname(__file__), "fonts", "NotoSansJP-Regular.ttf"), font_size) # font = ImageFont.truetype(os_path.join("./fonts", "NotoSansJP-Regular.ttf"), font_size) text_height = font_size*2 text_width = draw.textlength(formatted_time, font) character_width = text_width // len(formatted_time) img = Image.new("RGBA", (self.WIDTH, text_height), (0, 0, 0, 0)) draw = ImageDraw.Draw(img) text_y = text_height // 2 text_time_x = 0 if message_type == "receive" else self.WIDTH - (text_width + character_width) text_x = (text_width + character_width) if message_type == "receive" else self.WIDTH draw.text((text_time_x, text_y), formatted_time, text_color_time, anchor=anchor, stroke_width=0, font=font) draw.text((text_x, text_y), text, text_color, anchor=anchor, stroke_width=0, font=font) return img def create_textbox(self, message_type, message, your_language, translation, target_language): message_type_img = self.create_textimage_message_type(message_type) if len(translation) > 0 and target_language is not None: img = self.create_textimage(message_type, "small", message, your_language) translation_img = self.create_textimage(message_type, "large",translation, target_language) img = self.concatenate_images_vertically(img, translation_img) else: img = self.create_textimage(message_type, "large", message, your_language) return self.concatenate_images_vertically(message_type_img, img) def create_overlay_image_long(self, message_type, message, your_language, translation="", target_language=None): if len(self.log_data) > 10: self.log_data.pop(0) self.log_data.append( { "message_type":message_type, "message":message, "your_language":your_language, "translation":translation, "target_language":target_language, } ) imgs = [] for log in self.log_data: message_type = log["message_type"] message = log["message"] your_language = log["your_language"] translation = log["translation"] target_language = log["target_language"] img = self.create_textbox(message_type, message, your_language, translation, target_language) imgs.append(img) img = imgs[0] for i in imgs[1:]: img = self.concatenate_images_vertically(img, i) img = self.add_image_margin(img, 0, 20, 0, 20, (0, 0, 0, 0)) width, height = img.size background = Image.new("RGBA", (width, height), (0, 0, 0, 0)) draw = ImageDraw.Draw(background) draw.rounded_rectangle([(0, 0), (width, height)], radius=15, fill=self.BACKGROUND_COLOR, outline=self.BACKGROUND_COLOR, width=5) img = Image.alpha_composite(background, img) return img def create_overlay_image_short(self, message, your_language, translation="", target_language=None): def create_textbox(text, language): font_family = self.LANGUAGES.get(language, "NotoSansJP-Regular") img = Image.new("RGBA", (self.WIDTH, self.HEIGHT), (0, 0, 0, 0)) draw = ImageDraw.Draw(img) font = ImageFont.truetype(os_path.join(os_path.dirname(__file__), "fonts", f"{font_family}.ttf"), self.FONT_SIZE_LARGE) text_width = draw.textlength(text, font) character_width = text_width // len(text) character_line_num = int((self.WIDTH - 40) // character_width) if len(text) > character_line_num: text = "\n".join([text[i:i+character_line_num] for i in range(0, len(text), character_line_num)]) text_height = self.FONT_SIZE_LARGE * (len(text.split("\n")) + 1) + 20 img = Image.new("RGBA", (self.WIDTH, text_height), (0, 0, 0, 0)) draw = ImageDraw.Draw(img) text_x = self.WIDTH // 2 text_y = text_height // 2 draw.text((text_x, text_y), text, self.TEXT_COLOR_LARGE, anchor="mm", stroke_width=0, font=font, align="center") return img img = create_textbox(message, your_language) if len(translation) > 0 and target_language is not None: translation_img = create_textbox(translation, target_language) img = self.concatenate_images_vertically(img, translation_img) width, height = img.size background = Image.new("RGBA", (width, height), (0, 0, 0, 0)) draw = ImageDraw.Draw(background) draw.rounded_rectangle([(0, 0), (width, height)], radius=30, fill=self.BACKGROUND_COLOR, outline=self.BACKGROUND_COLOR, width=5) img = Image.alpha_composite(background, img) return img