341 lines
12 KiB
Python
341 lines
12 KiB
Python
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import logging
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import os
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import random
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import requests
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from PIL import Image
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from PIL import ImageDraw, ImageFont, ImageEnhance
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from config import *
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from utils import safe_open_directory, safe_filename
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IMGS_BASE_PATH = CONFIG['General']['images_path']
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def crop_and_replace_images(folder_path):
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"""
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修改图片尺寸
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:param folder_path:
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:return:
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"""
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print("开始处理图片。。。。")
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# 遍历文件夹中的所有文件
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for filename in os.listdir(folder_path):
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# 检查文件扩展名是否为图片格式
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if filename.lower().endswith(('.jpg')):
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# 拼接完整的文件路径
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file_path = os.path.join(folder_path, filename)
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print("文件夹路径：" + folder_path)
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print("文件路径：" + file_path)
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# 打开图片
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with Image.open(file_path) as img:
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# 获取图片的尺寸
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width, height = img.size
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# 裁剪图片，裁剪下方10px
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print("裁剪图片。。。")
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cropped_img = img.crop((0, 0, width, height - (height * 0.1)))
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# 保存裁剪后的图片，覆盖原文件
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# 通过拉伸使改变裁剪后图片的尺寸与原图片尺寸相同
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resized_img = cropped_img.resize((width, height))
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# output_path = file_path[0:file_path.find('.')] + '.png'
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resized_img.save(file_path, 'jpg')
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def deduplicate_images(folder_path):
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print("开始对图片去重。。。")
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"""扫描 folder_path 下的图片，对每张图片做修改并直接覆盖原文件"""
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if not os.path.exists(folder_path):
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print("错误：输入文件夹不存在！")
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return
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supported_ext = ('.png', '.jpg', '.jpeg', '.bmp', '.gif', '.webp')
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for root, _, files in os.walk(folder_path):
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for file in files:
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if file.lower().endswith(supported_ext):
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file_path = os.path.join(root, file)
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try:
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with Image.open(file_path) as img:
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modified_img = modify_image(img)
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modified_img.save(file_path) # 直接覆盖原图片
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print(f"已处理并覆盖：{file_path}")
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except Exception as e:
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print(f"处理 {file_path} 时出错：{e}")
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def download_image(image_url, save_path):
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"""
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下载图片并保存
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:param image_url: 图片链接
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:param save_path: 保存路径
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:return:
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"""
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try:
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response = requests.get(image_url)
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if response.status_code == 200:
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with open(save_path, 'wb') as f:
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f.write(response.content)
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print(f"图片下载成功，保存路径为：{save_path}")
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else:
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print(f"图片下载失败，状态码为：{response.status_code}")
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except requests.exceptions.RequestException as e:
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print(f"请求出错：{e}")
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def download_and_process_images(img_urls, article_title, save_dir=None):
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"""
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下载并处理图片
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:param img_urls: 图片URL列表
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:param article_title: 文章标题
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:param save_dir: 自定义保存目录，如果为None则使用默认目录
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"""
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if save_dir is None:
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save_dir = IMGS_BASE_PATH
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# 使用safe_filename处理文章标题
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safe_title = safe_filename(article_title)
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# 使用os.path.normpath来规范化路径，避免路径分隔符的问题
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img_dir_path = os.path.normpath(os.path.join(str(save_dir), safe_title))
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logger.info(f"图片保存路径：{img_dir_path}")
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safe_open_directory(img_dir_path)
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for i, img_url in enumerate(img_urls):
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if img_url.startswith("https"):
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imgurl = img_url
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else:
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imgurl = "https:" + img_url
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# 使用os.path.normpath来规范化图片路径
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img_path = os.path.normpath(os.path.join(img_dir_path, f"图片{i}.jpg"))
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try:
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download_image(imgurl, img_path)
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# 只处理当前下载的图片，而不是整个文件夹
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with Image.open(img_path) as img:
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modified_img = modify_image(img)
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modified_img.save(img_path) # 直接覆盖原图片
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print(f"已处理并覆盖：{img_path}")
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except Exception as e:
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logging.error(f"处理图片失败: {e}")
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# def download_and_process_images(img_urls, article_title, save_dir=None):
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# """
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# 下载并处理图片
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# :param img_urls: 图片URL列表
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# :param article_title: 文章标题
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# :param save_dir: 自定义保存目录，如果为None则使用默认目录
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# """
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# if save_dir is None:
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# save_dir = IMGS_BASE_PATH
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#
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# img_dir_path = os.path.join(str(save_dir), str(article_title))
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# logger.info(f"图片保存路径：{img_dir_path}")
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# safe_open_directory(img_dir_path)
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#
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# for i, img_url in enumerate(img_urls):
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# if img_url.startswith("https"):
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# imgurl = img_url
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# else:
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# imgurl = "https:"+img_url
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# img_path = os.path.join(img_dir_path, f"图片{i}.jpg")
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# try:
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# download_image(imgurl, img_path)
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# # crop_and_replace_images(img_dir_path)
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# deduplicate_images(img_dir_path)
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# except Exception as e:
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# logging.error(f"处理图片失败: {e}")
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# def modify_image(img):
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# print("修改图片")
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# """对图片应用去重处理，不翻转，仅裁剪、旋转、亮度调整、添加水印、加透明蒙版"""
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# width, height = img.size
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#
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# # 从配置中获取参数
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# crop_percent = float(CONFIG['ImageModify']['crop_percent'])
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# min_rotation = float(CONFIG['ImageModify']['min_rotation'])
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# max_rotation = float(CONFIG['ImageModify']['max_rotation'])
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# min_brightness = float(CONFIG['ImageModify']['min_brightness'])
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# max_brightness = float(CONFIG['ImageModify']['max_brightness'])
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# watermark_text = CONFIG['ImageModify']['watermark_text']
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# watermark_opacity = int(CONFIG['ImageModify']['watermark_opacity'])
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# overlay_opacity = int(CONFIG['ImageModify']['overlay_opacity'])
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#
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# # 1. 裁剪边缘
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# crop_px_w = int(width * crop_percent)
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# crop_px_h = int(height * crop_percent)
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# img = img.crop((crop_px_w, crop_px_h, width - crop_px_w, height - crop_px_h))
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#
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# # 2. 随机旋转
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# angle = random.uniform(min_rotation, max_rotation) * random.choice([-1, 1])
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# img = img.rotate(angle, expand=True)
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#
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# # 3. 调整亮度
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# enhancer = ImageEnhance.Brightness(img)
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# factor = random.uniform(min_brightness, max_brightness) # 亮度调整因子
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# img = enhancer.enhance(factor)
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#
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# # 4. 添加文字水印
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# draw = ImageDraw.Draw(img)
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# font_size = max(20, int(min(img.size) * 0.05))
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# try:
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# font = ImageFont.truetype("arial.ttf", font_size)
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# except:
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# font = ImageFont.load_default()
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#
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# # 获取文本尺寸
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# text_width, text_height = draw.textbbox((0, 0), watermark_text, font=font)[2:]
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#
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# # 水印放在图片右下角
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# x = img.size[0] - text_width - 5
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# y = img.size[1] - text_height - 5
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# draw.text((x, y), watermark_text, font=font, fill=(255, 255, 255, watermark_opacity))
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#
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# # 5. 添加半透明蒙版
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# overlay = Image.new('RGBA', img.size, (255, 255, 255, overlay_opacity))
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# if img.mode != 'RGBA':
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# img = img.convert('RGBA')
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# img = Image.alpha_composite(img, overlay)
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#
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# return img.convert('RGB')
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def modify_image(img):
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"""
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对图片应用去重处理，不翻转，仅裁剪、旋转、亮度调整、添加水印、加透明蒙版
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参数:
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img: PIL.Image对象，要处理的图片
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返回:
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PIL.Image对象，处理后的图片
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"""
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print("修改图片")
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# 确保图片是RGB模式
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if img.mode != 'RGB':
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img = img.convert('RGB')
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# 从配置中获取参数
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config = CONFIG['ImageModify']
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crop_percent = float(config['crop_percent'])
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min_rotation = float(config['min_rotation'])
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max_rotation = float(config['max_rotation'])
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min_brightness = float(config['min_brightness'])
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max_brightness = float(config['max_brightness'])
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watermark_text = config['watermark_text']
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watermark_opacity = int(config['watermark_opacity'])
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overlay_opacity = int(config['overlay_opacity'])
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# 1. 新增功能：裁剪图片下方20px
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img = crop_bottom(img, 20)
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# 2. 裁剪边缘
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img = crop_edges(img, crop_percent)
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# 3. 随机旋转
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img = random_rotate(img, min_rotation, max_rotation)
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# 4. 调整亮度
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img = adjust_brightness(img, min_brightness, max_brightness)
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# 5. 添加文字水印
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img = add_watermark(img, watermark_text, watermark_opacity)
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# 6. 添加半透明蒙版
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img = add_overlay(img, overlay_opacity)
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# 返回RGB模式的图片
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return img.convert('RGB')
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def crop_bottom(img, pixels):
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"""
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裁剪图片底部指定像素
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参数:
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img: PIL.Image对象，要裁剪的图片
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pixels: int，要裁剪的像素数
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返回:
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PIL.Image对象，裁剪后的图片
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"""
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width, height = img.size
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if height > pixels: # 确保图片高度大于要裁剪的像素
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return img.crop((0, 0, width, height - pixels))
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return img
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def crop_edges(img, percent):
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"""
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按比例裁剪图片边缘
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参数:
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img: PIL.Image对象，要裁剪的图片
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percent: float，裁剪比例（0-1之间）
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返回:
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PIL.Image对象，裁剪后的图片
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"""
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width, height = img.size
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crop_px_w = int(width * percent)
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crop_px_h = int(height * percent)
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return img.crop((crop_px_w, crop_px_h, width - crop_px_w, height - crop_px_h))
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def random_rotate(img, min_rotation, max_rotation):
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"""
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随机旋转图片
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参数:
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img: PIL.Image对象，要旋转的图片
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min_rotation: float，最小旋转角度
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max_rotation: float，最大旋转角度
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返回:
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PIL.Image对象，旋转后的图片
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"""
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angle = random.uniform(min_rotation, max_rotation) * random.choice([-1, 1])
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return img.rotate(angle, expand=True)
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def adjust_brightness(img, min_brightness, max_brightness):
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"""
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调整图片亮度
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参数:
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img: PIL.Image对象，要调整亮度的图片
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min_brightness: float，最小亮度因子
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max_brightness: float，最大亮度因子
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返回:
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PIL.Image对象，调整亮度后的图片
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"""
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enhancer = ImageEnhance.Brightness(img)
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factor = random.uniform(min_brightness, max_brightness)
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return enhancer.enhance(factor)
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def add_watermark(img, text, opacity):
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"""
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添加文字水印到图片右下角
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参数:
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img: PIL.Image对象，要添加水印的图片
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text: str，水印文本
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opacity: int，水印透明度（0-255）
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返回:
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PIL.Image对象，添加水印后的图片
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"""
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# 确保图片是RGBA模式以支持透明度
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if img.mode != 'RGBA':
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img = img.convert('RGBA')
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draw = ImageDraw.Draw(img)
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|
|
font_size = max(20, int(min(img.size) * 0.05))
|
|||
|
|
try:
|
|||
|
|
font = ImageFont.truetype("arial.ttf", font_size)
|
|||
|
|
except:
|
|||
|
|
font = ImageFont.load_default()
|
|||
|
|
# 获取文本尺寸
|
|||
|
|
text_width, text_height = draw.textbbox((0, 0), text, font=font)[2:]
|
|||
|
|
# 确保水印不超出图片边界
|
|||
|
|
x = max(5, img.size[0] - text_width - 5)
|
|||
|
|
y = max(5, img.size[1] - text_height - 5)
|
|||
|
|
# 添加水印
|
|||
|
|
draw.text((x, y), text, font=font, fill=(255, 255, 255, opacity))
|
|||
|
|
return img
|
|||
|
|
|
|||
|
|
|
|||
|
|
def add_overlay(img, opacity):
|
|||
|
|
"""
|
|||
|
|
添加半透明蒙版
|
|||
|
|
参数:
|
|||
|
|
img: PIL.Image对象，要添加蒙版的图片
|
|||
|
|
opacity: int，蒙版透明度（0-255）
|
|||
|
|
返回:
|
|||
|
|
PIL.Image对象，添加蒙版后的图片
|
|||
|
|
"""
|
|||
|
|
# 确保图片是RGBA模式以支持透明度
|
|||
|
|
if img.mode != 'RGBA':
|
|||
|
|
img = img.convert('RGBA')
|
|||
|
|
overlay = Image.new('RGBA', img.size, (255, 255, 255, opacity))
|
|||
|
|
return Image.alpha_composite(img, overlay)
|