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  • 文本换行自适应

    import os
    
    import os, time, glob
    import cv2
    
    os_sep = os.sep
    this_file_abspath = os.path.abspath(__file__)
    this_file_dirname, this_file_name = os.path.dirname(this_file_abspath), os.path.abspath(__file__).split(os_sep)[
        -1]
    
    f_img_d = '{}{}{}{}{}'.format(this_file_dirname, os_sep, 'mypng', os_sep, '*.jpg')
    imgs, img_size_d = glob.glob(f_img_d), {}
    for i in imgs:
        img = cv2.imread(i)
        w_h_s = '{},{}'.format(img.shape[1], img.shape[0])
        if w_h_s not in img_size_d:
            img_size_d[w_h_s] = 1
        else:
            img_size_d[w_h_s] += 1
    
    mode_img_size_wh = [int(i) for i in sorted(img_size_d.items(), key=lambda mytuple: mytuple[1], reverse=True)[0][0].split(',')]
    
    import os
    
    os_sep = os.sep
    this_file_abspath = os.path.abspath(__file__)
    this_file_dirname, this_file_name = os.path.dirname(this_file_abspath), os.path.abspath(__file__).split(os_sep)[-1]
    
    f_mp3 = '{}{}{}'.format(this_file_dirname, os_sep, 'auido.mp3')
    from playsound import playsound
    
    import time
    import math
    
    this_time = time.time()
    
    # playsound(f_mp3)
    
    # t_spend = time.time() - this_time
    t_spend = 58.777058839797974
    # 音频的秒数
    t_spend = math.ceil(t_spend)
    import cv2
    import glob
    
    '''
    python+opencv视频图像相互转换 - CSDN博客 https://blog.csdn.net/m0_37733057/article/details/79023693
    链接:https://www.zhihu.com/question/49558804/answer/343058915
    
    OpenCV: Drawing Functions in OpenCV https://docs.opencv.org/3.1.0/dc/da5/tutorial_py_drawing_functions.html
    
    '''
    # 每秒传输帧数(Frames Per Second)
    fps = 100  # 保存视频的FPS,可以适当调整 FPS是图像领域中的定义,是指画面每秒传输帧数,通俗来讲就是指动画或视频的画面数。FPS是测量用于保存、显示动态视频的信息数量。每秒钟帧数愈多,所显示的动作就会愈流畅。通常,要避免动作不流畅的最低是30。某些计算机视频格式,每秒只能提供15帧。
    
    f_img_d = '{}{}{}{}{}'.format(this_file_dirname, os_sep, 'mypng', os_sep, '*.jpg')
    imgs = glob.glob(f_img_d)
    
    """
    用图片总数均分音频时间
    """
    os_delay_factor = 0.14
    os_delay_factor = 0.11
    myinterval = t_spend / len(imgs) * os_delay_factor
    
    f, l = 'mybaidu.parp.txt', []
    with open(f, 'r', encoding='utf-8') as fr:
        for i in fr:
            ii = i.replace('
    ', '')
            l.append(ii)
    char_loop_l = []
    for i in l:
        mystr, le = '', len(i)
        for ii in range(le):
            iii = i[ii]
            print('-----', iii)
            mystr = '{}{}'.format(mystr, iii)
            print(mystr)
            char_loop_l.append(iii)
    
    
    #
    # from fontTools.ttLib import TTFont
    # myfont = TTFont('simhei.ttf')
    
    
    
    def resize_rescale_pilimg(img_f, w_h_tuple=(mode_img_size_wh[0], mode_img_size_wh[1]), mid_factor=1):
        print(img_f)
        img_n, img_type = img_f.split('.')[-2], img_f.split('.')[-1]
        print(img_n)
    
    
        img_n_resize_rescale_pilimg_dir='{}{}{}'.format(os_sep.join(img_n.split(os_sep)[:-1]),'resize_rescale_pilimg',os_sep,img_n.split(os_sep)[-1],os_sep)
    
        img_n_resize_rescale_pilimg='{}{}{}'.format(img_n_resize_rescale_pilimg_dir,img_n.split(os_sep)[-1],'.PNG')
        print(img_n_resize_rescale_pilimg)
    
        img_type = 'PNG'
        #img_f_new = '{}{}{}{}'.format(img_n, int(time.time()), 'resize_rescale.', img_type)
        img_f_new =img_n_resize_rescale_pilimg
        mid_icon = Image.open(img_f)
        mid_icon_w, mid_icon_h = w_h_tuple[0] * mid_factor, w_h_tuple[1] * mid_factor
        mid_icon = mid_icon.resize((mid_icon_w, mid_icon_h), Image.ANTIALIAS)
    
        mid_icon.save(img_n_resize_rescale_pilimg, img_type)
        return img_f_new
    
    
    def compute_video_playtime(f):
        # Create a VideoCapture object and read from input file
        # If the input is the camera, pass 0 instead of the video file name
        cap = cv2.VideoCapture(f)
    
        # Check if camera opened successfully
        if (cap.isOpened() == False):
            print("Error opening video stream or file")
    
        # Read until video is completed
        while (cap.isOpened()):
            # Capture frame-by-frame
            ret, frame = cap.read()
            if ret == True:
    
                # Display the resulting frame
                cv2.imshow('Frame', frame)
    
                # Press Q on keyboard to  exit
                if cv2.waitKey(25) & 0xFF == ord('q'):
                    break
    
            # Break the loop
            else:
                break
    
        # When everything done, release the video capture object
        cap.release()
    
        # Closes all the frames
        cv2.destroyAllWindows()
    
        return time.time() - this_time
    
    
    from PIL import Image, ImageDraw, ImageFont
    
    myfont = ImageFont.truetype("simhei.ttf", 50, encoding="utf-8")
    
    import cv2
    import numpy as np
    
    
    def gen_video(os_delay_factor=0.245, mystep=0.01, bear_error_second=1, audio_spend=58.777058839797974):
        f_v = '{}{}'.format(int(time.time()), 'saveVideo.avi')
        fps, fourcc = 15, cv2.VideoWriter_fourcc('M', 'J', 'P', 'G')
        # fourcc = cv2.VideoWriter_fourcc('M', 'J', 'P', 'G')  # opencv3.0
        videoWriter = cv2.VideoWriter(f_v, fourcc, fps, (mode_img_size_wh[0], mode_img_size_wh[1]))
    
        f_v = '{}{}'.format(int(time.time()), 'saveVideo.avi')
        myinterval = t_spend / (len(char_loop_l) * 1) * os_delay_factor
        del_f,del_f_img_l = False,[]
        for i in l:
            i_index = l.index(i)
            img_index = i_index % len(imgs)
            imgname = imgs[img_index]
    
            mystr, le = '', len(i)
            for ii in range(le):
                iii = i[ii]
                print('-----', iii)
                myfont_size = 50
                # text_br_length_factor=0.045
                # text_br_length=int(mode_img_size_wh[0]*text_br_length_factor)
                # if len(mystr)*myfont_size % text_br_length== 0:
                #     mystr = '{}{}'.format(mystr, '
    ')
                mystr = '{}{}'.format(mystr, iii)
                print(mystr)
    
                this_time = time.time()
                while time.time() - this_time < myinterval:
                    print(imgname)
    
                    frame = cv2.imread(imgname)
                    if (frame.shape[1], frame.shape[0]) != (mode_img_size_wh[0], mode_img_size_wh[1]):
                        imgname = resize_rescale_pilimg(imgname)
                        frame = cv2.imread(imgname)
    
                        del_f = True
                    else:
                        pass
    
                    frame_cv2 = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
                    frame_pil = Image.fromarray(frame_cv2)  # 转为PIL的图片格式
    
    
                    font = ImageFont.truetype("simhei.ttf", myfont_size, encoding="utf-8")
                    # 第一个参数为字体,中文黑体
                    # 第二个为字体大小
                    text_w_h_position_tuple=(myfont_size,myfont_size)#(100,20)
                   # ImageDraw.Draw(frame_pil).text(text_w_h_position_tuple, mystr, (0, 0, 255), font)
                    #multiline_text(self, xy, text, fill=None, font=None, anchor=None, spacing=4, align="left", direction=None, features=None)
                    ImageDraw.Draw(frame_pil).multiline_text(text_w_h_position_tuple, mystr, (0, 0, 255), font,spacing=16)
    
                    '''
                        frame_pil:目标图像
                        第一个参数为打印的坐标
                        第二个为打印的文本
                        第三个为字体颜色
                        第四个为字体
                    '''
    
                    frame_cv2 = cv2.cvtColor(np.array(frame_pil), cv2.COLOR_RGB2BGR)
                    img = frame_cv2
                    videoWriter.write(img)
    
    
        videoWriter.release()
    
        # if del_f:
        #     if os.path.exists(imgname):
        #         print(imgname)
        #         print('del')
        #         # 删除文件,可使用以下两种方法。
        #         os.remove(imgname)
        #         # os.unlink(my_file)
        # else:
        #     pass
    
    
        time.sleep(3)
        os._exit(12333)
    
    
        video_playtime = compute_video_playtime(f_v)
    
        if video_playtime - audio_spend > bear_error_second:
            os_delay_factor -= mystep
            gen_video(os_delay_factor=os_delay_factor, mystep=0.005, audio_spend=58.777058839797974)
        elif audio_spend - video_playtime > bear_error_second:
            os_delay_factor += mystep
            gen_video(os_delay_factor=os_delay_factor, mystep=0.005, audio_spend=58.777058839797974)
        else:
            os._exit(123)
    
    
    gen_video(os_delay_factor=1, mystep=0.005, bear_error_second=0.5, audio_spend=58.777058839797974)
    
    '''
    
    
    '''
    
    from PIL import Image
    
    
    #
    #
    # logo = 'fugu.png'
    # mid_icon = Image.open(logo)
    # mid_icon_w, mid_icon_h = mid_icon.size
    # mid_factor = 5
    # mid_icon_w, mid_icon_h = mid_icon_w * mid_factor, mid_icon_h * mid_factor
    # mid_icon = mid_icon.resize((mid_icon_w * 3, mid_icon_h), Image.ANTIALIAS)
    # mid_icon.save('fugu.2.png', 'PNG')
    

      

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  • 原文地址:https://www.cnblogs.com/rsapaper/p/8777531.html
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