时间:2022-03-28 08:41:19 | 栏目:Python代码 | 点击:次
业务说明:
此示例脚本作用,包含方法和逻辑:图像读取,图片尺寸读取,重置图片大小,图片等比缩放,图片拼接,图片覆盖与堆叠(子母图)
图片展示:
单张素材:
origin_image.jpg
result_image.jpg
face_image.jpg
拼接结果示例图:
拼接和堆叠完成后示例:
拼接和堆叠完成后示例2:
拼接和堆叠完成后示例3:
代码示例:
import os import time from os import listdir from PIL import Image from loguru import logger from PIL import Image def image_synthesis(mother_img, son_img, save_img, size_data, coefficient=2.5, coordinate=None): """ mother_img="C:/Users/Administrator/Desktop/QRCode/b.jpg", son_img="C:/Users/Administrator/Desktop/QRCode/y.png", save_img="C:/Users/Administrator/Desktop/QRCode/newimg.png", coordinate=None#如果为None表示直接将子图在母图中居中也可以直接赋值坐标 # coordinate=(50,50) :param mother_img: 母图 :param son_img: 子图 :param save_img: 保存图片名 :param size_data: 母图的高 :param coefficient: 子图相对于母图高度压缩系数 :param coordinate: 子图在母图的坐标 (50, 100)- (距离Y轴水平距离, 距离X轴垂直距离) :return: """ # 将图片赋值,方便后面的代码调用 M_Img = Image.open(mother_img) S_Img = Image.open(son_img) # 给图片指定色彩显示格式 M_Img = M_Img.convert("RGBA") # CMYK/RGBA 转换颜色格式(CMYK用于打印机的色彩,RGBA用于显示器的色彩) # 获取图片的尺寸 M_Img_w, M_Img_h = M_Img.size # 获取被放图片的大小(母图) logger.info(f"母图尺寸:{M_Img.size}") S_Img_w, S_Img_h = S_Img.size # 获取小图的大小(子图) logger.info(f"子图尺寸:{S_Img.size}") son_resize_h = size_data / coefficient factor = son_resize_h / S_Img_h if son_resize_h > S_Img_h else S_Img_h / son_resize_h # 子图缩小的倍数1代表不变,2就代表原来的一半 logger.info(f"子图重置比例: {factor}") size_w = int(S_Img_w / factor) size_h = int(S_Img_h / factor) # 防止子图尺寸大于母图 if S_Img_w > size_w: logger.info(f"防止子图尺寸大于母图") S_Img_w = size_w if S_Img_h > size_h: logger.info(f"防止子图尺寸大于母图") S_Img_h = size_h # 重新设置子图的尺寸 icon = S_Img.resize((S_Img_w, S_Img_h), Image.ANTIALIAS) logger.info(f"重置后子图尺寸:{(S_Img_w, S_Img_h)}") try: if not coordinate or coordinate == "": w = int((M_Img_w - S_Img_w) / 2) h = int((M_Img_h - S_Img_h)) coordinate = (w, h) # 粘贴子图到母图的指定坐标(当前水平居中,垂直靠下) M_Img.paste(icon, coordinate, mask=None) else: logger.info("已经指定坐标") # 粘贴子图到母图的指定坐标(指定坐标) M_Img.paste(icon, coordinate, mask=None) except: logger.info("坐标指定出错 ") # 保存图片 M_Img.save(save_img) return save_img def image_stitching(origin_img_path, result_img_path, output_img_path, size_data): # 获取当前文件夹中所有JPG图像 # im_list = [Image.open(fn) for fn in listdir() if fn.endswith('.jpg')] origin_data = Image.open(origin_img_path) result_data = Image.open(result_img_path) M_Img_w, M_Img_h = origin_data.size # 获取被放图片的大小 logger.info(f"待拼接图片的原尺寸: {(M_Img_w, M_Img_h)}") # 图片转化尺寸(注:此业务中,origin和result均为尺寸比例相同的图片(宽高比相同的图片)) factor = M_Img_h / size_data if size_data > M_Img_h else size_data / M_Img_h # 子图缩小的倍数1代表不变,2就代表原来的一半 size_w = int(M_Img_w / factor) logger.info(f"待拼接图片重置尺寸: {(size_w, size_data)}") origin_img = origin_data.resize((size_w, size_data), Image.BILINEAR) result_img = result_data.resize((size_w, size_data), Image.BILINEAR) image_list = [origin_img, result_img] # 单幅图像尺寸 width, height = image_list[0].size logger.info(f"--- width = {width}, height = {height}") # 创建空白长图 result = Image.new(image_list[0].mode, (width * len(image_list), height)) # # 拼接图片 for i, im in enumerate(image_list): result.paste(im, box=(i * width, 0)) # 保存图片 result.save(output_img_path) return stitching_img_path if __name__ == '__main__': """图片拼接与堆叠合成脚本""" # root_path = './1000x966' root_path = './500x841' # root_path = './1000x667' size_data = 1280 # 原图重制尺寸值 TODO 实现图片重制大小的时候按比例进行宽高的缩放 origin_img_path = os.path.join(root_path, 'origin_image.png') result_img_path = os.path.join(root_path, 'result_image.png') face_img_path = os.path.join(root_path, 'face_image.png') stitching_img_path = os.path.join(root_path, 'stitching_.png') # 两图左右拼接 last_img_path = image_stitching(origin_img_path, result_img_path, stitching_img_path, size_data) logger.info(f"左右拼接完成 ---") # 覆盖小图片到拼接图居中靠下 synthesis_img_path = os.path.join(root_path, 'synthesis_.png') res = image_synthesis(last_img_path, face_img_path, synthesis_img_path, size_data, # coordinate=(100, 500) ) logger.info(f"--- end --- res = {res}")