app.py

import gradio as gr
import numpy as np
import re
from PIL import Image, ImageDraw, ImageFilter, ImageEnhance, ImageFont
from moviepy.video.VideoClip import VideoClip


# Функция для добавления слабого эффекта сепии
def apply_sepia(image, intensity=0.3):
    sepia_image = Image.new("RGB", image.size)
    pixels = image.load()
    sepia_pixels = sepia_image.load()

    for y in range(image.height):
        for x in range(image.width):
            r, g, b = pixels[x, y]
            tr = int(0.393 * r + 0.769 * g + 0.189 * b)
            tg = int(0.349 * r + 0.686 * g + 0.168 * b)
            tb = int(0.272 * r + 0.534 * g + 0.131 * b)
            sepia_pixels[x, y] = (
                int(r * (1 - intensity) + tr * intensity),
                int(g * (1 - intensity) + tg * intensity),
                int(b * (1 - intensity) + tb * intensity),
            )
    return sepia_image


# Функция для добавления эффекта старой плёнки
def add_film_effect(image, frame_number, fps):
    image = apply_sepia(image, intensity=0.3)  # Слабый эффект сепии
    draw = ImageDraw.Draw(image)
    width, height = image.size

    # Эффект зернистости
    noise = np.random.randint(0, 64, (height, width, 3), dtype='uint8')
    noise_image = Image.fromarray(noise, 'RGB')
    image = Image.blend(image, noise_image, alpha=0.1)

    # Эффект случайных царапин
    if frame_number % (fps // 2) == 0:  # Царапины реже
        for _ in range(np.random.randint(1, 3)):
            x1 = np.random.randint(0, width)
            y1 = np.random.randint(0, height)
            x2 = x1 + np.random.randint(-10, 10)
            y2 = y1 + np.random.randint(-height // 4, height // 4)
            draw.line([(x1, y1), (x2, y2)], fill="white", width=1)

    # Эффект вертикальных полос
    if frame_number % (fps // 3) == 0:  # Полосы реже
        for _ in range(np.random.randint(1, 2)):
            stripe_x = np.random.randint(0, width)
            stripe_width = np.random.randint(1, 3)
            draw.rectangle([(stripe_x, 0), (stripe_x + stripe_width, height)], fill=(255, 255, 255, 50))

    # Эффект мерцания (изменение яркости)
    if frame_number % (fps // 4) == 0:  # Мерцание реже
        brightness_factor = 0.95 + 0.05 * np.random.random()
        enhancer = ImageEnhance.Brightness(image)
        image = enhancer.enhance(brightness_factor)

    # Усиление контраста
    contrast_enhancer = ImageEnhance.Contrast(image)
    image = contrast_enhancer.enhance(1.2)

    # Размытость для усиления эффекта
    image = image.filter(ImageFilter.GaussianBlur(radius=0.3))
    return np.array(image)


# Основная функция создания анимации
def create_film_effect(image_path, output_path, duration=1, fps=24):
    base_image = Image.open(image_path).convert("RGB")
    width, height = base_image.size

    def make_frame(t):
        frame_number = int(t * fps)

        # Уменьшенная тряска кадра
        offset_x = np.random.randint(-1, 2)  # Сокращённое смещение
        offset_y = np.random.randint(-1, 2)
        jittered_image = Image.new("RGB", (width, height), "black")
        jittered_image.paste(base_image, (offset_x, offset_y))
        return add_film_effect(jittered_image, frame_number, fps)

    # Создание видео из кадров
    animation = VideoClip(make_frame, duration=duration)
    animation.write_videofile(output_path, fps=fps)


def create_image_with_text(phrase, bottom_text1="НЕЙРОННЫЕ", bottom_text2="ХРОНИКИ"):
    words = phrase.split()
    word1 = words[0].upper()
    word2 = words[1]
    word2 = word2[0].upper() + word2[1:-1].lower() + word2[-1].upper()

    img_size = 512
    image = Image.new('RGB', (img_size, img_size), 'black')
    draw = ImageDraw.Draw(image)

    def get_impact_font(text, max_width, max_height, initial_size=100):
        size = initial_size
        font = ImageFont.truetype("impact.ttf", size)
        while size > 1:
            font = ImageFont.truetype("impact.ttf", size)
            bbox = draw.textbbox((0, 0), text, font=font)
            if bbox[2] - bbox[0] <= max_width and bbox[3] - bbox[1] <= max_height:
                return font, bbox
            size -= 1
        return ImageFont.truetype("impact.ttf", 1), draw.textbbox((0, 0), text,
                                                                  font=ImageFont.truetype("impact.ttf", 1))

    def get_arial_font(text, max_width, max_height, initial_size=100):
        size = initial_size
        font = ImageFont.truetype("arialbd.ttf", size)
        while size > 1:
            font = ImageFont.truetype("arialbd.ttf", size)
            bbox = draw.textbbox((0, 0), text, font=font)
            if bbox[2] - bbox[0] <= max_width and bbox[3] - bbox[1] <= max_height:
                return font, bbox
            size -= 1
        return ImageFont.truetype("arialbd.ttf", 1), draw.textbbox((0, 0), text,
                                                                   font=ImageFont.truetype("arialbd.ttf", 1))

    initial_font1, initial_bbox = get_impact_font(word1, img_size // 2, img_size // 6)
    text1_width = initial_bbox[2] - initial_bbox[0]
    text1_height = initial_bbox[3] - initial_bbox[1]

    padding = 40
    square_size = max(text1_width + padding * 2, text1_height + padding * 2)
    square_position = ((img_size - square_size) // 2, (img_size - square_size) // 2)

    draw.rectangle(
        [square_position, (square_position[0] + square_size, square_position[1] + square_size)],
        fill='red'
    )

    text1_position = (
        (img_size - text1_width) // 2,
        square_position[1] + padding // 2
    )
    draw.text(text1_position, word1, font=initial_font1, fill='black')

    bottom_font, bottom_bbox = get_arial_font(bottom_text1, square_size - padding, square_size // 8, initial_size=33)
    bottom_text1_width = bottom_bbox[2] - bottom_bbox[0]
    bottom_text1_height = bottom_bbox[3] - bottom_bbox[1]

    bottom_font2, bottom_bbox2 = get_arial_font(bottom_text2, square_size - padding, square_size // 8, initial_size=33)
    bottom_text2_width = bottom_bbox2[2] - bottom_bbox2[0]
    bottom_text2_height = bottom_bbox2[3] - bottom_bbox2[1]

    spacing = 1  # Расстояние между строками Современные хроники

    bottom_text1_position = (
        (img_size - bottom_text1_width) // 2,
        square_position[1] + square_size - padding - bottom_text1_height * 2 - spacing
    )
    bottom_text2_position = (
        (img_size - bottom_text2_width) // 2,
        bottom_text1_position[1] + bottom_text1_height + spacing
    )

    draw.text(bottom_text1_position, bottom_text1, font=bottom_font, fill='white')
    draw.text(bottom_text2_position, bottom_text2, font=bottom_font2, fill='white')

    font2, _ = get_impact_font(word2, square_size * 1.5, square_size // 2, initial_size=150)

    kerning_offset = -3
    total_width = 0
    letter_widths = []
    for letter in word2:
        bbox = draw.textbbox((0, 0), letter, font=font2)
        letter_width = bbox[2] - bbox[0]
        letter_widths.append(letter_width)
        total_width += letter_width

    total_width += kerning_offset * (len(word2) - 1)
    start_x = (img_size - total_width) // 2
    text_height = draw.textbbox((0, 0), word2, font=font2)[3] - draw.textbbox((0, 0), word2, font=font2)[1]
    y_position = (img_size - text_height) // 2 - 20  # Поднимаем второе слово вверх

    current_x = start_x
    for i, letter in enumerate(word2):
        draw.text((current_x, y_position), letter, font=font2, fill='white')
        current_x += letter_widths[i] + kerning_offset

    return image


def greet(text, duration):
    text = text.replace("-", " ").replace("gate", "нейро")
    print(text)
    if len(text.split()) == 1:
        text = f"Нейро {text}"
        
    # create image
    print("create image")
    clear_text = re.sub(r'[^a-zA-Zа-яА-ЯёЁ ]', '', text)
    image = create_image_with_text(clear_text)
    image.save("output5.png")

    # create video
    print("create video")
    create_film_effect("output5.png", "output_film_effect.mp4", duration=duration)

    return ["output_film_effect.mp4", "output5.png"]


demo = gr.Interface(fn=greet, inputs=[
    gr.Text(label="Text", value="Операция лесополоса"),
    gr.Slider(value=1)], outputs=[gr.Video(), gr.Image()])

demo.queue(api_open=True).launch(show_error=True, show_api=True)