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Upload utils.py
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utils.py
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import numpy as np
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| 2 |
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from PIL import Image, ImageEnhance, ImageFilter, ImageDraw, ImageFont
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import cv2
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from io import BytesIO
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import base64
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class ImageProcessor:
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@staticmethod
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def resize_image(image, max_size=1024):
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"""Изменение размера с сохранением пропорций"""
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width, height = image.size
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if width > max_size or height > max_size:
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if width > height:
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new_width = max_size
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new_height = int(height * (max_size / width))
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else:
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new_height = max_size
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new_width = int(width * (max_size / height))
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image = image.resize((new_width, new_height), Image.Resampling.LANCZOS)
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return image
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@staticmethod
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def create_before_after(original, processed):
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"""Создание сравнения до/после"""
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width = original.width + processed.width + 20
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height = max(original.height, processed.height)
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combined = Image.new('RGB', (width, height), 'white')
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# Вставляем оригинал
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combined.paste(original, (0, 0))
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# Линия разделитель
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draw = ImageDraw.Draw(combined)
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line_x = original.width + 10
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draw.line([(line_x, 0), (line_x, height)], fill='gray', width=2)
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# Вставляем обработанное
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combined.paste(processed, (original.width + 20, 0))
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# Добавляем подписи
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try:
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font = ImageFont.truetype("arial.ttf", 30)
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except:
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font = ImageFont.load_default()
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draw.text((20, 20), "До", fill='white', font=font, stroke_width=2, stroke_fill='black')
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draw.text((original.width + 40, 20), "После", fill='white', font=font, stroke_width=2, stroke_fill='black')
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return combined
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@staticmethod
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def create_grid(images, titles=None):
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"""Создание сетки из изображений"""
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if not images:
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return None
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# Определяем размер сетки
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n = len(images)
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cols = min(2, n)
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rows = (n + cols - 1) // cols
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# Размер ячейки
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cell_width = images[0].width
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cell_height = images[0].height
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# Создаем холст
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grid_width = cols * cell_width + (cols - 1) * 10
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grid_height = rows * cell_height + (rows - 1) * 10
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if titles:
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grid_height += 40 # Место для заголовков
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grid = Image.new('RGB', (grid_width, grid_height), 'white')
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draw = ImageDraw.Draw(grid)
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try:
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font = ImageFont.truetype("arial.ttf", 20)
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except:
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font = ImageFont.load_default()
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# Размещаем изображения
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for i, img in enumerate(images):
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row = i // cols
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col = i % cols
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x = col * (cell_width + 10)
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y = row * (cell_height + 10)
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if titles:
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y += 40
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# Добавляем заголовок
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title_x = x + cell_width // 2
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draw.text((title_x, y - 30), titles[i], fill='black', font=font, anchor='mm')
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grid.paste(img, (x, y))
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return grid
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@staticmethod
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def adjust_brightness(image, factor=1.2):
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"""Регулировка яркости"""
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enhancer = ImageEnhance.Brightness(image)
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return enhancer.enhance(factor)
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@staticmethod
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def adjust_contrast(image, factor=1.2):
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"""Регулировка контраста"""
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enhancer = ImageEnhance.Contrast(image)
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return enhancer.enhance(factor)
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@staticmethod
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def apply_filter(image, filter_type="none"):
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"""Применение фильтров"""
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if filter_type == "blur":
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return image.filter(ImageFilter.GaussianBlur(radius=2))
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elif filter_type == "sharpen":
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return image.filter(ImageFilter.SHARPEN)
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elif filter_type == "edge_enhance":
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return image.filter(ImageFilter.EDGE_ENHANCE)
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else:
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return image
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@staticmethod
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def detect_room_type(image):
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"""Автоопределение типа комнаты"""
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# Здесь должна быть модель классификации
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# Пока возвращаем заглушку
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return "Гостиная"
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@staticmethod
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def image_to_base64(image):
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"""Конвертация изображения в base64"""
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buffered = BytesIO()
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| 138 |
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image.save(buffered, format="PNG")
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return base64.b64encode(buffered.getvalue()).decode()
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@staticmethod
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def create_mask(image, area):
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"""Создание маски для определенной области"""
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mask = Image.new('L', image.size, 0)
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draw = ImageDraw.Draw(mask)
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# area должна быть в формате [(x1,y1), (x2,y2), ...]
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if area:
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draw.polygon(area, fill=255)
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return mask
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class ColorPalette:
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"""Работа с цветовыми палитрами"""
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@staticmethod
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def extract_colors(image, n_colors=5):
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"""Извлечение основных цветов из изображения"""
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| 159 |
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# Уменьшаем изображение для скорости
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small_image = image.resize((150, 150))
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| 161 |
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# Конвертируем в numpy array
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pixels = np.array(small_image)
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| 164 |
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pixels = pixels.reshape(-1, 3)
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# K-means для поиска основных цветов
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from sklearn.cluster import KMeans
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kmeans = KMeans(n_clusters=n_colors, random_state=42)
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kmeans.fit(pixels)
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| 170 |
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colors = kmeans.cluster_centers_.astype(int)
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| 172 |
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# Создаем палитру
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palette_width = 300
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| 175 |
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palette_height = 60
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| 176 |
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palette = Image.new('RGB', (palette_width, palette_height))
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| 177 |
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draw = ImageDraw.Draw(palette)
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| 178 |
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color_width = palette_width // n_colors
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| 180 |
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for i, color in enumerate(colors):
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x1 = i * color_width
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| 183 |
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x2 = (i + 1) * color_width
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color_tuple = tuple(color)
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draw.rectangle([x1, 0, x2, palette_height], fill=color_tuple)
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return palette, colors
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@staticmethod
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def suggest_palette(style):
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"""Предложение цветовой палитры для стиля"""
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| 192 |
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palettes = {
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"Современный минимализм": ["#FFFFFF", "#F5F5F5", "#333333", "#000000", "#D4D4D4"],
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| 194 |
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"Скандинавский": ["#FFFFFF", "#F0F0F0", "#E8DED2", "#A8B5A6", "#5C5C5C"],
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"Индустриальный": ["#2B2B2B", "#5C5C5C", "#8B7355", "#CD853F", "#1C1C1C"],
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"Бохо": ["#D2691E", "#8B4513", "#DEB887", "#F4A460", "#FF6347"],
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"Японский": ["#F5F5DC", "#D2B48C", "#8B7355", "#2F4F4F", "#F0E68C"],
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"Ар-деко": ["#FFD700", "#000000", "#800020", "#2F4F4F", "#FFFFFF"],
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"Прованс": ["#E6E6FA", "#DDA0DD", "#F0E68C", "#F5F5DC", "#98FB98"],
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"Хай-тек": ["#C0C0C0", "#000000", "#FFFFFF", "#4169E1", "#696969"]
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}
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return palettes.get(style, ["#FFFFFF", "#000000", "#808080", "#C0C0C0", "#F0F0F0"])
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