# -*- coding: utf-8 -*- import os import random import traceback import math from pathlib import Path from PIL import Image, ImageDraw, ImageEnhance, ImageFilter, ImageOps class ImageCollageCreator: def __init__(self): """初始化拼图创建器""" self.output_dir = "/root/autodl-tmp/poster_baseboard_0403/output_collage" # 创建输出目录 os.makedirs(self.output_dir, exist_ok=True) # 定义可用拼接样式 self.collage_styles = [ "grid_2x2", # 标准2x2网格 "asymmetric", # 非对称布局 "filmstrip", # 胶片条布局 # "circles", # 圆形布局 "overlap", # 重叠风格 "mosaic", # 马赛克风格 3x3 "fullscreen", # 全覆盖拼图样式 "vertical_stack" # 新增：上下拼图样式 # "polaroid", # 宝丽来风格 ] def resize_and_crop(self, img, target_size): """调整图片大小并居中裁剪为指定尺寸""" width, height = img.size target_width, target_height = target_size # 计算宽高比 img_ratio = width / height target_ratio = target_width / target_height if img_ratio > target_ratio: # 图片较宽，以高度为基准调整 new_height = target_height new_width = int(width * target_height / height) img = img.resize((new_width, new_height), Image.Resampling.LANCZOS) # 居中裁剪 left = (new_width - target_width) // 2 img = img.crop((left, 0, left + target_width, target_height)) else: # 图片较高，以宽度为基准调整 new_width = target_width new_height = int(height * target_width / width) img = img.resize((new_width, new_height), Image.Resampling.LANCZOS) # 居中裁剪 top = (new_height - target_height) // 2 img = img.crop((0, top, target_width, top + target_height)) return img def add_border(self, img, color=(255, 255, 255, 200), width=2, no_border=True): """给图像添加边框，可选择不添加边框""" if no_border: return img # 如果设置为无边框，直接返回原图 try: w, h = img.size new_img = Image.new('RGBA', (w, h), (0, 0, 0, 0)) draw = ImageDraw.Draw(new_img) # 绘制边框（在四条边上） for i in range(width): # 上边框 draw.line([(i, i), (w-i-1, i)], fill=color, width=1) # 右边框 draw.line([(w-i-1, i), (w-i-1, h-i-1)], fill=color, width=1) # 下边框 draw.line([(i, h-i-1), (w-i-1, h-i-1)], fill=color, width=1) # 左边框 draw.line([(i, i), (i, h-i-1)], fill=color, width=1) # 合并原图和边框 result = img.copy() result.alpha_composite(new_img) return result except Exception as e: print(f"添加边框时出错: {str(e)}") return img def add_polaroid_frame(self, img, margin=20, bottom_margin=60, background_color=(255, 255, 255, 255)): """添加宝丽来风格的相框""" try: w, h = img.size frame_width = w + 2 * margin frame_height = h + margin + bottom_margin # 创建白色背景 frame = Image.new('RGBA', (frame_width, frame_height), background_color) # 将图像粘贴到框架中 frame.paste(img, (margin, margin)) # 添加稍微的阴影效果 shadow = Image.new('RGBA', frame.size, (0, 0, 0, 0)) shadow_draw = ImageDraw.Draw(shadow) shadow_draw.rectangle([2, 2, frame_width-2, frame_height-2], fill=(0, 0, 0, 40)) # 模糊阴影 shadow = shadow.filter(ImageFilter.GaussianBlur(3)) # 创建最终图像 final = Image.new('RGBA', (frame_width+6, frame_height+6), (0, 0, 0, 0)) final.paste(shadow, (6, 6)) final.paste(frame, (0, 0), frame) return final except Exception as e: print(f"添加宝丽来相框时出错: {str(e)}") return img def apply_image_effect(self, img, effect="none"): """应用各种图像效果 - 所有图片适度增强对比度和亮度""" try: # 适度增强对比度 contrast = ImageEnhance.Contrast(img) enhanced = contrast.enhance(1.1) # 降低对比度系数，从1.6降至1.3 # 轻微增强亮度 brightness = ImageEnhance.Brightness(enhanced) enhanced = brightness.enhance(1.1) # 保持轻微增加亮度 # 轻微增强色彩饱和度 color = ImageEnhance.Color(enhanced) enhanced = color.enhance(1.15) # 轻微降低饱和度，从1.2降至1.15 return enhanced except Exception as e: print(f"增强图片效果时出错: {str(e)}") return img def create_collage_with_style(self, input_dir, style=None, target_size=None): """创建指定样式的拼接画布""" try: # 设置默认尺寸为3:4比例 if target_size is None: target_size = (900, 1200) # 3:4比例 # 如果没有指定样式，随机选择一种 if style is None or style not in self.collage_styles: style = random.choice(self.collage_styles) print(f"使用拼接样式: {style}") # 检查目录是否存在 if not os.path.exists(input_dir): print(f"目录不存在: {input_dir}") return None # 支持的图片格式 image_extensions = ('.jpg', '.jpeg', '.png', '.bmp') # 获取目录中的所有图片文件 all_images = [f for f in os.listdir(input_dir) if f.lower().endswith(image_extensions) and os.path.isfile(os.path.join(input_dir, f))] if len(all_images) < 4: print(f"目录中图片不足四张: {input_dir}") return None # 根据不同样式，可能需要的图片数量不同 num_images = 4 if style == "mosaic": num_images = 9 elif style == "filmstrip": num_images = 5 elif style == "fullscreen": num_images = 6 # 全覆盖样式使用6张图片 elif style == "vertical_stack": num_images = 2 # 上下拼图样式只需要2张图片 # 确保有足够的图像 if len(all_images) < num_images: print(f"样式'{style}'需要至少{num_images}张图片，但目录只有{len(all_images)}张") # 多次使用相同图片 if len(all_images) > 0: all_images = all_images * (num_images // len(all_images) + 1) # 随机选择指定数量的图片 selected_images = random.sample(all_images, num_images) print(f"随机选择的图片: {selected_images}") # 创建空白画布 collage_image = Image.new('RGBA', target_size, (0, 0, 0, 0)) # 加载图片 images = [] for img_name in selected_images: img_path = os.path.join(input_dir, img_name) try: img = Image.open(img_path).convert('RGBA') images.append(img) print(f"已加载图片: {img_name}") except Exception as e: print(f"加载图片 {img_name} 时出错: {e}") # 如果某张图片加载失败，随机选择另一张图片代替 remaining_images = [f for f in all_images if f not in selected_images] if remaining_images: replacement = random.choice(remaining_images) selected_images.append(replacement) try: replacement_path = os.path.join(input_dir, replacement) replacement_img = Image.open(replacement_path).convert('RGBA') images.append(replacement_img) print(f"使用替代图片: {replacement}") except: print(f"替代图片 {replacement} 也加载失败") # 确保图片数量足够 while len(images) < num_images: if images: images.append(random.choice(images).copy()) else: print("没有可用的图片来创建拼贴画") return None # 应用所选样式 if style == "grid_2x2": return self._create_grid_2x2_collage(images, target_size) elif style == "asymmetric": return self._create_asymmetric_collage(images, target_size) elif style == "filmstrip": return self._create_filmstrip_collage(images, target_size) elif style == "circles": return self._create_circles_collage(images, target_size) elif style == "polaroid": return self._create_polaroid_collage(images, target_size) elif style == "overlap": return self._create_overlap_collage(images, target_size) elif style == "mosaic": return self._create_mosaic_collage(images, target_size) elif style == "fullscreen": return self._create_fullscreen_collage(images, target_size) elif style == "vertical_stack": return self._create_vertical_stack_collage(images, target_size) else: # 默认使用2x2网格 return self._create_grid_2x2_collage(images, target_size) except Exception as e: print(f"创建拼贴画时出错: {str(e)}") traceback.print_exc() return None def _create_grid_2x2_collage(self, images, target_size): """创建2x2网格拼贴画""" collage = Image.new('RGBA', target_size, (255, 255, 255, 255)) # 使用白色背景 # 计算每个块的大小 block_width = target_size[0] // 2 block_height = target_size[1] // 2 # 定义四个区域位置 positions = [ (0, 0), # 左上 (block_width, 0), # 右上 (0, block_height), # 左下 (block_width, block_height) # 右下 ] # 将图像粘贴到拼贴画位置 for i, position in enumerate(positions): if i < len(images): img = images[i].copy() # 调整大小 img = self.resize_and_crop(img, (block_width, block_height)) # 不应用边框，实现无缝拼接 # 粘贴到拼贴画 collage.paste(img, position, img) print(f"添加拼贴画块 {i+1} 到位置: {position}") print(f"无缝2x2网格拼贴画创建成功，尺寸: {target_size}") return collage def _create_asymmetric_collage(self, images, target_size): """创建非对称布局拼贴画""" collage = Image.new('RGBA', target_size, (255, 255, 255, 255)) width, height = target_size # 定义非对称区域位置 positions = [ (0, 0, width*2//3, height//2), # 左上 (大) (width*2//3, 0, width, height//3), # 右上 (width*2//3, height//3, width, height//2), # 右中 (0, height//2, width, height) # 底部 (全宽) ] # 定义不同的效果 effects = ["none", "grayscale", "vintage", "color_boost"] random.shuffle(effects) # 将图像粘贴到拼贴画位置 for i, (x1, y1, x2, y2) in enumerate(positions): if i < len(images): img = images[i].copy() # 调整大小 img = self.resize_and_crop(img, (x2-x1, y2-y1)) # 应用效果 img = self.apply_image_effect(img, effects[i % len(effects)]) # 不添加边框 # 粘贴到拼贴画 collage.paste(img, (x1, y1), img) print(f"添加非对称拼贴画块 {i+1} 到位置: ({x1},{y1},{x2},{y2})") print(f"无缝非对称拼贴画创建成功，尺寸: {target_size}") return collage def _create_filmstrip_collage(self, images, target_size): """创建胶片条布局拼贴画""" collage = Image.new('RGBA', target_size, (0, 0, 0, 0)) width, height = target_size # 胶片条中每个图像的高度 strip_height = height // 5 # 添加黑条边框 film_border_width = 15 # 将图像粘贴为胶片条 for i in range(5): if i < len(images): img = images[i].copy() # 调整大小，考虑边框 img = self.resize_and_crop(img, (width - 2*film_border_width, strip_height - 2*film_border_width)) # 不应用效果，保持原始颜色 # 创建黑色胶片边框 film_frame = Image.new('RGBA', (width, strip_height), (0, 0, 0, 255)) # 在边框中间贴上图片 film_frame.paste(img, (film_border_width, film_border_width), img) # 添加胶片冲孔 draw = ImageDraw.Draw(film_frame) hole_spacing = 30 hole_radius = 5 num_holes = width // hole_spacing for h in range(num_holes): hole_center_x = h * hole_spacing + hole_spacing // 2 # 顶部和底部的冲孔 draw.ellipse((hole_center_x - hole_radius, 3, hole_center_x + hole_radius, 13), fill=(50, 50, 50, 255)) draw.ellipse((hole_center_x - hole_radius, strip_height - 13, hole_center_x + hole_radius, strip_height - 3), fill=(50, 50, 50, 255)) # 粘贴到拼贴画 y_position = i * strip_height collage.paste(film_frame, (0, y_position), film_frame) print(f"添加胶片条拼贴画块 {i+1} 到位置 y={y_position}") print(f"胶片条拼贴画创建成功，尺寸: {target_size}") return collage def _create_circles_collage(self, images, target_size): """创建圆形布局拼贴画""" collage = Image.new('RGBA', target_size, (0, 0, 0, 0)) width, height = target_size # 定义圆形的位置和大小 circle_positions = [ (width//4, height//4, width//2.5), # 左上 (width*3//4, height//4, width//3), # 右上 (width//4, height*3//4, width//3), # 左下 (width*3//4, height*3//4, width//2.5) # 右下 ] # 为每个圆形创建蒙版 for i, (center_x, center_y, radius) in enumerate(circle_positions): if i < len(images): img = images[i].copy() # 应用效果 img = self.apply_image_effect(img) # 调整图像大小为圆的直径 - 确保是整数 diam = int(radius*2) img = self.resize_and_crop(img, (diam, diam)) # 创建圆形蒙版 mask = Image.new('L', img.size, 0) draw = ImageDraw.Draw(mask) draw.ellipse((0, 0, mask.width, mask.height), fill=255) # 模糊边缘 mask = mask.filter(ImageFilter.GaussianBlur(radius=5)) # 应用蒙版 img.putalpha(mask) # 计算粘贴位置，使圆心在定义的位置 paste_x = int(center_x - radius) paste_y = int(center_y - radius) # 粘贴到拼贴画 collage.paste(img, (paste_x, paste_y), img) print(f"添加圆形拼贴画块 {i+1} 到位置: ({paste_x},{paste_y})") # 添加轻微的渐变背景 background = Image.new('RGBA', target_size, (245, 245, 245, 100)) collage = Image.alpha_composite(background, collage) print(f"圆形拼贴画创建成功，尺寸: {target_size}") return collage def _create_polaroid_collage(self, images, target_size): """创建宝丽来风格拼贴画 - 最小化图片重叠""" collage = Image.new('RGBA', target_size, (240, 240, 240, 255)) width, height = target_size # 宝丽来照片的大小 - 适当调整尺寸，减少重叠 polaroid_sizes = [ (int(width//2.2), int(height//2.8)), # 大号 (int(width//2.5), int(height//3)), # 中大号 (int(width//2.8), int(height//3.5)), # 中号 (int(width//3), int(height//4)) # 中小号 ] # 随机打乱尺寸 random.shuffle(polaroid_sizes) # 创建网格布局，降低重叠概率 grid_cells = [ (0, 0, width//2, height//2), # 左上 (width//2, 0, width, height//2), # 右上 (0, height//2, width//2, height), # 左下 (width//2, height//2, width, height) # 右下 ] # 随机打乱网格单元 random.shuffle(grid_cells) # 用于记录已放置的区域 placed_areas = [] for i, img_size in enumerate(polaroid_sizes): if i < len(images) and i < len(grid_cells): img = images[i].copy() # 调整大小 img = self.resize_and_crop(img, img_size) # 应用效果 img = self.apply_image_effect(img) # 添加宝丽来相框 img = self.add_polaroid_frame(img) # 轻微旋转（-3到3度之间，进一步减小旋转角度） rotation = random.uniform(-3, 3) img = img.rotate(rotation, expand=True, resample=Image.Resampling.BICUBIC) # 从当前网格单元获取可用区域 cell = grid_cells[i] cell_x1, cell_y1, cell_x2, cell_y2 = cell # 确保照片至少有80%在当前网格单元内 cell_width = cell_x2 - cell_x1 cell_height = cell_y2 - cell_y1 # 计算可用的粘贴位置范围 min_x = max(10, cell_x1 - img.width * 0.2) # 允许20%超出左边 max_x = min(width - img.width - 10, cell_x2 - img.width * 0.8) # 确保至少80%在单元内 min_y = max(10, cell_y1 - img.height * 0.2) # 允许20%超出上边 max_y = min(height - img.height - 10, cell_y2 - img.height * 0.8) # 确保至少80%在单元内 # 确保坐标范围有效，如果无效则使用单元中心 if min_x >= max_x: center_x = (cell_x1 + cell_x2) // 2 min_x = max(10, center_x - img.width // 2) max_x = min_x + 1 if min_y >= max_y: center_y = (cell_y1 + cell_y2) // 2 min_y = max(10, center_y - img.height // 2) max_y = min_y + 1 # 在可用范围内随机选择位置 paste_x = random.randint(int(min_x), int(max_x)) paste_y = random.randint(int(min_y), int(max_y)) # 记录这个位置 placed_areas.append((paste_x, paste_y, paste_x + img.width, paste_y + img.height)) # 粘贴到拼贴画 collage.paste(img, (paste_x, paste_y), img) print(f"添加宝丽来风格块 {i+1} 到位置: ({paste_x},{paste_y})，尺寸: {img.size}，单元: {cell}") print(f"宝丽来风格拼贴画创建成功，尺寸: {target_size}") return collage def _create_overlap_collage(self, images, target_size): """创建无缝重叠风格拼贴画""" collage = Image.new('RGBA', target_size, (255, 255, 255, 255)) width, height = target_size # 计算每个图像确切填充一个区域的大小 img_width = width // 2 img_height = height // 2 # 网格位置 - 完全填充画布 positions = [ (0, 0), # 左上 (img_width, 0), # 右上 (0, img_height), # 左下 (img_width, img_height) # 右下 ] # 添加图片到位置 for i, position in enumerate(positions): if i < len(images): img = images[i].copy() # 调整大小 img = self.resize_and_crop(img, (img_width, img_height)) # 应用效果 img = self.apply_image_effect(img) # 不添加边框 # 粘贴到拼贴画 collage.paste(img, position) print(f"添加无缝拼贴画块 {i+1} 到位置: {position}") print(f"无缝拼贴画创建成功，尺寸: {target_size}") return collage def _create_mosaic_collage(self, images, target_size): """创建马赛克风格拼贴画（需要9张图片）""" collage = Image.new('RGBA', target_size, (255, 255, 255, 255)) width, height = target_size # 创建3x3网格 grid_width = width // 3 grid_height = height // 3 # 生成网格位置 positions = [] for row in range(3): for col in range(3): positions.append((col * grid_width, row * grid_height)) # 定义不同的效果 effects = ["none", "grayscale", "sepia", "vintage", "high_contrast", "color_boost", "vibrant", "warm", "none"] # 保证所有效果都能使用 if len(effects) > len(images): effects = effects[:len(images)] # 随机打乱效果 random.shuffle(effects) # 将图像粘贴到马赛克位置 for i, position in enumerate(positions): if i < len(images): img = images[i].copy() # 调整大小 img = self.resize_and_crop(img, (grid_width, grid_height)) # 应用效果 img = self.apply_image_effect(img, effects[i % len(effects)]) # 不添加边框 # 粘贴到拼贴画 collage.paste(img, position) print(f"添加马赛克拼贴画块 {i+1} 到位置: {position}") print(f"无缝马赛克拼贴画创建成功，尺寸: {target_size}") return collage def _create_fullscreen_collage(self, images, target_size): """创建全覆盖拼图样式（完全填满画布，无空白）""" width, height = target_size collage = Image.new('RGBA', target_size, (255, 255, 255, 255)) # 白色背景 # 确保至少有6张图片 while len(images) < 6: if images: images.append(random.choice(images).copy()) else: return None # 定义区域划分 - 按照完全填满画布设计 regions = [ # 左列 - 上中下三块 (0, 0, width//2, height//3), # 左上 (0, height//3, width//2, height*2//3), # 左中 (0, height*2//3, width//2, height), # 左下 # 右列 - 上中下三块 (width//2, 0, width, height//3), # 右上 (width//2, height//3, width, height*2//3), # 右中 (width//2, height*2//3, width, height) # 右下 ] # 添加图片到各个区域，确保完全覆盖 for i, (x1, y1, x2, y2) in enumerate(regions): if i < len(images): img = images[i].copy() # 调整大小以完全填充区域 region_width = x2 - x1 region_height = y2 - y1 img = self.resize_and_crop(img, (region_width, region_height)) # 应用轻微的图像效果，确保视觉统一性 img = self.apply_image_effect(img) # 不添加边框，实现无缝拼接 # 粘贴到画布上 collage.paste(img, (x1, y1)) print(f"添加全屏拼图块 {i+1} 到位置: ({x1}, {y1}, {x2}, {y2})") # 不添加分隔线，保持无缝 print(f"无缝全覆盖拼图创建成功，尺寸: {target_size}") return collage def _create_vertical_stack_collage(self, images, target_size): """创建上下拼图样式（两张图片上下排列）""" collage = Image.new('RGBA', target_size, (255, 255, 255, 255)) # 白色背景 width, height = target_size # 确保至少有2张图片 while len(images) < 2: if images: images.append(images[0].copy()) else: print("没有可用的图片来创建上下拼图") return None # 设置间隙（可选） gap = 0 # 无间隙拼接，设置为0 # 计算每张图片的高度 img_height = (height - gap) // 2 # 定义图片位置 positions = [ (0, 0), # 上方图片 (0, img_height + gap) # 下方图片 ] # 添加图片 for i, position in enumerate(positions): if i < len(images) and i < 2: # 只使用前两张图片 img = images[i].copy() # 调整大小以适应宽度 img = self.resize_and_crop(img, (width, img_height)) # 应用轻微的图像效果 img = self.apply_image_effect(img) # 粘贴到画布上 collage.paste(img, position, img) print(f"添加上下拼图块 {i+1} 到位置: {position}") # 可选：添加分隔线 if gap > 0: draw = ImageDraw.Draw(collage) line_y = img_height + gap // 2 draw.line([(0, line_y), (width, line_y)], fill=(200, 200, 200, 255), width=gap) print(f"上下拼图创建成功，尺寸: {target_size}") return collage def save_collage(self, collage, output_path): """保存拼贴画""" if collage: # 确保有背景 - 创建白色背景并将拼贴画合并上去 background = Image.new('RGB', collage.size, (255, 255, 255)) # 如果拼贴画有透明通道，将其合并到白色背景上 if collage.mode == 'RGBA': background.paste(collage, (0, 0), collage) final_image = background else: final_image = collage.convert('RGB') final_image.save(output_path) print(f"无缝拼贴画已保存: {output_path}") return output_path return None def set_output_dir(self, output_dir): """设置输出目录""" self.output_dir = output_dir os.makedirs(self.output_dir, exist_ok=True) return self.output_dir def set_collage_style(self, collage_style): """设置拼贴画样式""" self.collage_style = collage_style return self.collage_style def process_directory(directory_path, target_size=(900, 1200), output_count=1): """ Processes images in a directory: finds main subject, adjusts contrast/saturation, performs smart cropping/resizing, creates a collage, and returns PIL Image objects. Args: directory_path: Path to the directory containing images. target_size: Tuple (width, height) for the final collage. output_count: Number of collages to generate. Returns: A list containing the generated PIL Image objects for the collages, or an empty list if processing fails. """ image_files = [os.path.join(directory_path, f) for f in os.listdir(directory_path) if f.lower().endswith(('.png', '.jpg', '.jpeg'))] if not image_files: print(f"No images found in {directory_path}") return [] # Create collage collage_images = [] for i in range(output_count): collage = create_collage(image_files, target_size) if collage: # collage_filename = f"collage_{i}.png" # save_path = os.path.join(output_dir, collage_filename) # collage.save(save_path) # print(f"Collage saved to {save_path}") # collage_images.append({'path': save_path, 'image': collage}) collage_images.append(collage) # Return the PIL Image object directly else: print(f"Failed to create collage {i}") return collage_images def create_collage(image_paths, target_size=(900, 1200)): # ... (internal logic, including find_main_subject, adjust_image, smart_crop_and_resize) ... pass def find_main_subject(image): # ... (keep the existing implementation) ... pass def adjust_image(image, contrast=1.0, saturation=1.0): # ... (keep the existing implementation) ... pass def smart_crop_and_resize(image, target_aspect_ratio): # ... (keep the existing implementation) ... pass def main(): # 设置基础路径 base_path = "/root/autodl-tmp" # 默认图片目录 input_dir = os.path.join(base_path, "陈家祠") ## 考虑一下，是否需要直接传递图片结果 # 处理目录中的图片，生成10个随机风格拼贴画 process_directory(input_dir, output_count=10) if __name__ == "__main__": main()