820 lines
34 KiB
Python
820 lines
34 KiB
Python
# -*- coding: utf-8 -*-
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import os
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import random
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import traceback
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import math
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from pathlib import Path
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from PIL import Image, ImageDraw, ImageEnhance, ImageFilter, ImageOps
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import logging # Import logging module
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class ImageCollageCreator:
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def __init__(self, ):
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"""初始化拼图创建器"""
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# 定义可用拼接样式
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self.collage_styles = [
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"grid_2x2", # 标准2x2网格
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# "asymmetric", # 非对称布局
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# "filmstrip", # 胶片条布局
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# "circles", # 圆形布局
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"overlap", # 重叠风格
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"mosaic", # 马赛克风格 3x3
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"fullscreen", # 全覆盖拼图样式
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"vertical_stack" # 新增：上下拼图样式
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# "polaroid", # 宝丽来风格
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]
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def resize_and_crop(self, img, target_size):
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"""调整图片大小并居中裁剪为指定尺寸"""
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width, height = img.size
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target_width, target_height = target_size
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# 计算宽高比
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img_ratio = width / height
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target_ratio = target_width / target_height
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if img_ratio > target_ratio:
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# 图片较宽，以高度为基准调整
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new_height = target_height
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new_width = int(width * target_height / height)
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img = img.resize((new_width, new_height), Image.Resampling.LANCZOS)
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# 居中裁剪
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left = (new_width - target_width) // 2
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img = img.crop((left, 0, left + target_width, target_height))
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else:
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# 图片较高，以宽度为基准调整
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new_width = target_width
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new_height = int(height * target_width / width)
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img = img.resize((new_width, new_height), Image.Resampling.LANCZOS)
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# 居中裁剪
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top = (new_height - target_height) // 2
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img = img.crop((0, top, target_width, top + target_height))
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return img
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def add_border(self, img, color=(255, 255, 255, 200), width=2, no_border=True):
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"""给图像添加边框，可选择不添加边框"""
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if no_border:
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return img # 如果设置为无边框，直接返回原图
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try:
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w, h = img.size
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new_img = Image.new('RGBA', (w, h), (0, 0, 0, 0))
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draw = ImageDraw.Draw(new_img)
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# 绘制边框（在四条边上）
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for i in range(width):
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# 上边框
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draw.line([(i, i), (w-i-1, i)], fill=color, width=1)
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# 右边框
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draw.line([(w-i-1, i), (w-i-1, h-i-1)], fill=color, width=1)
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# 下边框
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draw.line([(i, h-i-1), (w-i-1, h-i-1)], fill=color, width=1)
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# 左边框
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draw.line([(i, i), (i, h-i-1)], fill=color, width=1)
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# 合并原图和边框
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result = img.copy()
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result.alpha_composite(new_img)
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return result
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except Exception as e:
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print(f"添加边框时出错: {str(e)}")
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return img
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def add_polaroid_frame(self, img, margin=20, bottom_margin=60, background_color=(255, 255, 255, 255)):
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"""添加宝丽来风格的相框"""
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try:
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w, h = img.size
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frame_width = w + 2 * margin
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frame_height = h + margin + bottom_margin
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# 创建白色背景
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frame = Image.new('RGBA', (frame_width, frame_height), background_color)
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# 将图像粘贴到框架中
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frame.paste(img, (margin, margin))
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# 添加稍微的阴影效果
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shadow = Image.new('RGBA', frame.size, (0, 0, 0, 0))
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shadow_draw = ImageDraw.Draw(shadow)
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shadow_draw.rectangle([2, 2, frame_width-2, frame_height-2], fill=(0, 0, 0, 40))
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# 模糊阴影
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shadow = shadow.filter(ImageFilter.GaussianBlur(3))
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# 创建最终图像
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final = Image.new('RGBA', (frame_width+6, frame_height+6), (0, 0, 0, 0))
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final.paste(shadow, (6, 6))
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final.paste(frame, (0, 0), frame)
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return final
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except Exception as e:
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print(f"添加宝丽来相框时出错: {str(e)}")
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return img
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def apply_image_effect(self, img, effect="none"):
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"""应用各种图像效果 - 所有图片适度增强对比度和亮度"""
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try:
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# 适度增强对比度
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contrast = ImageEnhance.Contrast(img)
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enhanced = contrast.enhance(1.1) # 降低对比度系数，从1.6降至1.3
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# 轻微增强亮度
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brightness = ImageEnhance.Brightness(enhanced)
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enhanced = brightness.enhance(1.1) # 保持轻微增加亮度
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# 轻微增强色彩饱和度
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color = ImageEnhance.Color(enhanced)
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enhanced = color.enhance(1.15) # 轻微降低饱和度，从1.2降至1.15
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return enhanced
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except Exception as e:
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print(f"增强图片效果时出错: {str(e)}")
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return img
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def create_collage_with_style(self, input_dir, style=None, target_size=None):
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"""创建指定样式的拼接画布"""
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logging.info(f"--- Starting Collage Creation for Directory: {input_dir} ---") # Start Log
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try:
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# 设置默认尺寸为3:4比例
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if target_size is None:
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target_size = (900, 1200) # 3:4比例
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# 如果没有指定样式，随机选择一种
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if style is None or style not in self.collage_styles:
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style = random.choice(self.collage_styles)
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logging.info(f"Using collage style: {style} with target size: {target_size}")
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# 检查目录是否存在
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if not os.path.exists(input_dir):
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logging.error(f"Input directory does not exist: {input_dir}")
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return None
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# 支持的图片格式
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image_extensions = ('.jpg', '.jpeg', '.png', '.bmp')
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# 获取目录中的所有文件
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try:
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all_files = os.listdir(input_dir)
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logging.info(f"Files found in directory: {all_files}")
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except Exception as e:
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logging.exception(f"Error listing directory {input_dir}: {e}")
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return None
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# 过滤图片文件
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all_images_names = [f for f in all_files
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if f.lower().endswith(image_extensions) and os.path.isfile(os.path.join(input_dir, f))]
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logging.info(f"Filtered image files: {all_images_names}")
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if not all_images_names:
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logging.warning(f"No valid image files found in directory: {input_dir}")
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return None # Return None if no images found
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# 根据不同样式，确定需要的图片数量
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# ... (logic for num_images based on style) ...
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num_images = 4
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if style == "mosaic":
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num_images = 9
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elif style == "filmstrip":
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num_images = 5
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elif style == "fullscreen":
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num_images = 6
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elif style == "vertical_stack":
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num_images = 2
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logging.info(f"Style '{style}' requires {num_images} images.")
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# 确保有足够的图像 (或重复使用)
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selected_images_names = []
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if len(all_images_names) < num_images:
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logging.warning(f"Need {num_images} images for style '{style}', but only found {len(all_images_names)}. Will repeat images.")
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if len(all_images_names) > 0:
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# Repeat available images to meet the count
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selected_images_names = (all_images_names * (num_images // len(all_images_names) + 1))[:num_images]
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else:
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logging.error("Cannot select images, none were found.") # Should not happen due to earlier check
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return None
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else:
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# 随机选择指定数量的图片
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selected_images_names = random.sample(all_images_names, num_images)
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logging.info(f"Selected image files for collage: {selected_images_names}")
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# 加载图片
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images = []
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loaded_image_paths = set()
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for img_name in selected_images_names:
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img_path = os.path.join(input_dir, img_name)
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try:
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img = Image.open(img_path).convert('RGBA')
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images.append(img)
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loaded_image_paths.add(img_path)
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logging.info(f"Successfully loaded image: {img_path}")
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except Exception as e:
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logging.error(f"Failed to load image {img_path}: {e}", exc_info=True) # Log exception info
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# Optionally: try to replace failed image (or just log and continue)
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# For simplicity now, just log and continue; the check below handles insufficient images.
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# 再次检查实际加载成功的图片数量
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if len(images) < num_images:
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logging.error(f"Needed {num_images} images, but only successfully loaded {len(images)}. Cannot create collage.")
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# Log which images failed if possible (from error logs above)
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return None
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logging.info(f"Successfully loaded {len(images)} images for collage.")
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# 创建空白画布 (moved after image loading success check)
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# collage_image = Image.new('RGBA', target_size, (0, 0, 0, 0)) # This line seems unused as styles create their own canvas
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# 应用所选样式
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logging.info(f"Applying style '{style}'...")
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result_collage = None
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if style == "grid_2x2":
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result_collage = self._create_grid_2x2_collage(images, target_size)
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# ... (elif for all other styles) ...
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elif style == "asymmetric":
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result_collage = self._create_asymmetric_collage(images, target_size)
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elif style == "filmstrip":
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result_collage = self._create_filmstrip_collage(images, target_size)
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# elif style == "circles":
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# result_collage = self._create_circles_collage(images, target_size)
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elif style == "polaroid":
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result_collage = self._create_polaroid_collage(images, target_size)
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elif style == "overlap":
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result_collage = self._create_overlap_collage(images, target_size)
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elif style == "mosaic":
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result_collage = self._create_mosaic_collage(images, target_size)
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elif style == "fullscreen":
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result_collage = self._create_fullscreen_collage(images, target_size)
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elif style == "vertical_stack":
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result_collage = self._create_vertical_stack_collage(images, target_size)
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else:
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logging.warning(f"Unknown style '{style}', defaulting to grid_2x2.")
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result_collage = self._create_grid_2x2_collage(images, target_size)
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if result_collage is None:
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logging.error(f"Collage creation failed during style application ('{style}').")
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return None
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else:
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logging.info(f"--- Collage Creation Successful for Directory: {input_dir} ---")
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return result_collage # Return the created collage image
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except Exception as e:
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logging.exception(f"An unexpected error occurred during collage creation for {input_dir}: {e}") # Log full traceback
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return None
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def _create_grid_2x2_collage(self, images, target_size):
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"""创建2x2网格拼贴画"""
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collage = Image.new('RGBA', target_size, (255, 255, 255, 255)) # 使用白色背景
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# 计算每个块的大小
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block_width = target_size[0] // 2
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block_height = target_size[1] // 2
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# 定义四个区域位置
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positions = [
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(0, 0), # 左上
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(block_width, 0), # 右上
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(0, block_height), # 左下
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(block_width, block_height) # 右下
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]
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# 将图像粘贴到拼贴画位置
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for i, position in enumerate(positions):
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if i < len(images):
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img = images[i].copy()
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# 调整大小
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img = self.resize_and_crop(img, (block_width, block_height))
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# 不应用边框，实现无缝拼接
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# 粘贴到拼贴画
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collage.paste(img, position, img)
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print(f"添加拼贴画块 {i+1} 到位置: {position}")
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print(f"无缝2x2网格拼贴画创建成功，尺寸: {target_size}")
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return collage
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def _create_asymmetric_collage(self, images, target_size):
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"""创建非对称布局拼贴画"""
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collage = Image.new('RGBA', target_size, (255, 255, 255, 255))
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width, height = target_size
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# 定义非对称区域位置
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positions = [
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(0, 0, width*2//3, height//2), # 左上 (大)
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(width*2//3, 0, width, height//3), # 右上
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(width*2//3, height//3, width, height//2), # 右中
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(0, height//2, width, height) # 底部 (全宽)
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]
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# 定义不同的效果
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effects = ["none", "grayscale", "vintage", "color_boost"]
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random.shuffle(effects)
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# 将图像粘贴到拼贴画位置
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for i, (x1, y1, x2, y2) in enumerate(positions):
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if i < len(images):
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img = images[i].copy()
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# 调整大小
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img = self.resize_and_crop(img, (x2-x1, y2-y1))
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# 应用效果
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img = self.apply_image_effect(img, effects[i % len(effects)])
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# 不添加边框
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# 粘贴到拼贴画
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collage.paste(img, (x1, y1), img)
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print(f"添加非对称拼贴画块 {i+1} 到位置: ({x1},{y1},{x2},{y2})")
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print(f"无缝非对称拼贴画创建成功，尺寸: {target_size}")
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return collage
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def _create_filmstrip_collage(self, images, target_size):
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"""创建胶片条布局拼贴画"""
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collage = Image.new('RGBA', target_size, (0, 0, 0, 0))
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width, height = target_size
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# 胶片条中每个图像的高度
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strip_height = height // 5
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# 添加黑条边框
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film_border_width = 15
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# 将图像粘贴为胶片条
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for i in range(5):
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if i < len(images):
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img = images[i].copy()
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# 调整大小，考虑边框
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img = self.resize_and_crop(img, (width - 2*film_border_width, strip_height - 2*film_border_width))
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# 不应用效果，保持原始颜色
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# 创建黑色胶片边框
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film_frame = Image.new('RGBA', (width, strip_height), (0, 0, 0, 255))
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# 在边框中间贴上图片
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film_frame.paste(img, (film_border_width, film_border_width), img)
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# 添加胶片冲孔
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draw = ImageDraw.Draw(film_frame)
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hole_spacing = 30
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hole_radius = 5
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num_holes = width // hole_spacing
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for h in range(num_holes):
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hole_center_x = h * hole_spacing + hole_spacing // 2
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# 顶部和底部的冲孔
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draw.ellipse((hole_center_x - hole_radius, 3, hole_center_x + hole_radius, 13), fill=(50, 50, 50, 255))
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draw.ellipse((hole_center_x - hole_radius, strip_height - 13, hole_center_x + hole_radius, strip_height - 3), fill=(50, 50, 50, 255))
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# 粘贴到拼贴画
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y_position = i * strip_height
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collage.paste(film_frame, (0, y_position), film_frame)
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print(f"添加胶片条拼贴画块 {i+1} 到位置 y={y_position}")
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print(f"胶片条拼贴画创建成功，尺寸: {target_size}")
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return collage
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def _create_circles_collage(self, images, target_size):
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"""创建圆形布局拼贴画"""
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collage = Image.new('RGBA', target_size, (0, 0, 0, 0))
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width, height = target_size
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# 定义圆形的位置和大小
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circle_positions = [
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(width//4, height//4, width//2.5), # 左上
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(width*3//4, height//4, width//3), # 右上
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(width//4, height*3//4, width//3), # 左下
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(width*3//4, height*3//4, width//2.5) # 右下
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]
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# 为每个圆形创建蒙版
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for i, (center_x, center_y, radius) in enumerate(circle_positions):
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if i < len(images):
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img = images[i].copy()
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# 应用效果
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img = self.apply_image_effect(img)
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# 调整图像大小为圆的直径 - 确保是整数
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diam = int(radius*2)
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img = self.resize_and_crop(img, (diam, diam))
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# 创建圆形蒙版
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mask = Image.new('L', img.size, 0)
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draw = ImageDraw.Draw(mask)
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draw.ellipse((0, 0, mask.width, mask.height), fill=255)
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# 模糊边缘
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mask = mask.filter(ImageFilter.GaussianBlur(radius=5))
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# 应用蒙版
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img.putalpha(mask)
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# 计算粘贴位置，使圆心在定义的位置
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paste_x = int(center_x - radius)
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paste_y = int(center_y - radius)
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# 粘贴到拼贴画
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collage.paste(img, (paste_x, paste_y), img)
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print(f"添加圆形拼贴画块 {i+1} 到位置: ({paste_x},{paste_y})")
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# 添加轻微的渐变背景
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background = Image.new('RGBA', target_size, (245, 245, 245, 100))
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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_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, style=None, target_size=(900, 1200), output_count=1):
|
||
"""
|
||
处理指定目录中的图片，创建指定数量的拼贴图。
|
||
|
||
参数:
|
||
directory_path: 包含图片的目录路径
|
||
target_size: 拼贴图目标尺寸，默认为 (900, 1200)
|
||
output_count: 需要生成的拼贴图数量，默认为 1
|
||
|
||
返回:
|
||
list: 生成的拼贴图列表（PIL.Image 对象）；如果生成失败，返回空列表
|
||
"""
|
||
logging.info(f"处理目录中的图片并创建 {output_count} 个拼贴图: {directory_path}")
|
||
|
||
# 创建 ImageCollageCreator 实例
|
||
collage_creator = ImageCollageCreator()
|
||
collage_images = []
|
||
|
||
# 检查目录是否存在
|
||
if not os.path.exists(directory_path):
|
||
logging.error(f"目录不存在: {directory_path}")
|
||
return []
|
||
|
||
# 尝试创建请求数量的拼贴图
|
||
for i in range(output_count):
|
||
try:
|
||
# 随机选择一个样式（由 create_collage_with_style 内部实现）
|
||
# 传入 None 作为 style 参数，让函数内部随机选择
|
||
collage = collage_creator.create_collage_with_style(
|
||
directory_path,
|
||
style=style, # 让方法内部随机选择样式
|
||
target_size=target_size
|
||
)
|
||
|
||
if collage:
|
||
collage_images.append(collage)
|
||
logging.info(f"成功创建拼贴图 {i+1}/{output_count}")
|
||
else:
|
||
logging.error(f"无法创建拼贴图 {i+1}/{output_count}")
|
||
except Exception as e:
|
||
logging.exception(f"创建拼贴图 {i+1}/{output_count} 时发生异常: {e}")
|
||
|
||
logging.info(f"已处理目录 {directory_path}，成功创建 {len(collage_images)}/{output_count} 个拼贴图")
|
||
return collage_images
|
||
|
||
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():
|
||
"""展示如何使用 ImageCollageCreator 和 process_directory 函数的示例。"""
|
||
logging.basicConfig(level=logging.INFO,
|
||
format='%(asctime)s - %(levelname)s - [%(filename)s:%(lineno)d] - %(message)s')
|
||
|
||
# 示例目录路径 - 根据实际情况修改
|
||
test_directory = "/root/autodl-tmp/sanming_img/modify/古田会议旧址" # 修改为你实际的图片目录
|
||
|
||
logging.info(f"测试目录: {test_directory}")
|
||
|
||
# 方法 1: 使用 process_directory 函数 (推荐用于外部调用)
|
||
logging.info("方法 1: 使用 process_directory 函数生成拼贴图...")
|
||
collages_1 = process_directory(
|
||
directory_path=test_directory,
|
||
target_size=(900, 1200), # 默认 3:4 比例
|
||
output_count=2 # 创建 2 张不同的拼贴图
|
||
)
|
||
|
||
if collages_1:
|
||
logging.info(f"成功创建了 {len(collages_1)} 张拼贴图 (使用 process_directory)")
|
||
# 可选: 保存图片到文件
|
||
for i, collage in enumerate(collages_1):
|
||
output_path = f"/tmp/collage_method1_{i}.png"
|
||
collage.save(output_path)
|
||
logging.info(f"拼贴图已保存到: {output_path}")
|
||
else:
|
||
logging.error("使用 process_directory 创建拼贴图失败")
|
||
|
||
# 方法 2: 直接使用 ImageCollageCreator 类 (用于更精细的控制)
|
||
logging.info("方法 2: 直接使用 ImageCollageCreator 类...")
|
||
creator = ImageCollageCreator()
|
||
|
||
# 指定样式创建拼贴图 (可选样式: grid_2x2, asymmetric, filmstrip, overlap, mosaic, fullscreen, vertical_stack)
|
||
styles_to_try = ["grid_2x2", "overlap", "mosaic"]
|
||
collages_2 = []
|
||
|
||
for style in styles_to_try:
|
||
logging.info(f"尝试使用样式: {style}")
|
||
collage = creator.create_collage_with_style(
|
||
input_dir=test_directory,
|
||
style=style,
|
||
target_size=(800, 1000) # 自定义尺寸
|
||
)
|
||
|
||
if collage:
|
||
collages_2.append(collage)
|
||
# 可选: 保存图片到文件
|
||
output_path = f"/tmp/collage_method2_{style}.png"
|
||
collage.save(output_path)
|
||
logging.info(f"使用样式 '{style}' 的拼贴图已保存到: {output_path}")
|
||
else:
|
||
logging.error(f"使用样式 '{style}' 创建拼贴图失败")
|
||
|
||
logging.info(f"总共成功创建了 {len(collages_2)} 张拼贴图 (使用 ImageCollageCreator)")
|
||
|
||
# 比较两种方法
|
||
logging.info("===== 拼贴图创建测试完成 =====")
|
||
logging.info(f"方法 1 (process_directory): {len(collages_1)} 张拼贴图")
|
||
logging.info(f"方法 2 (直接使用 ImageCollageCreator): {len(collages_2)} 张拼贴图")
|
||
|
||
if __name__ == "__main__":
|
||
main()
|