python生成一张纯色图片并添加文字

from PIL import Image, ImageDraw, ImageFont

class ImgText:
    font = ImageFont.truetype("PingFang Regular.otf", 70)

    def __init__(self, title, content, size, backColor):
        # 预设宽度 可以修改成你需要的图片宽度
        self.width = 900
        self.size = size
        self.title = title
        self.content = content
        self.backColor = backColor
        # 文本
        # self.text = text
        # 段落 , 行数, 行高
        self.duanluo, self.note_height, self.line_height = self.split_text()

    def get_duanluo(self, text):
        txt = Image.new('RGBA',self.size, (255, 255, 255, 0))
        draw = ImageDraw.Draw(txt)
        # 所有文字的段落
        duanluo = ""
        # 宽度总和
        sum_width = 0
        # 几行
        line_count = 1
        # 行高
        line_height = 0
        for char in text:
            width, height = draw.textsize(char, ImgText.font)
            sum_width += width
            if sum_width > self.width:  # 超过预设宽度就修改段落 以及当前行数
                line_count += 1
                sum_width = 0
                duanluo += '\n'
            duanluo += char
            line_height = max(height, line_height)
        if not duanluo.endswith('\n'):
            duanluo += '\n'
        return duanluo, line_height, line_count

    def split_text(self):
        # 按规定宽度分组
        max_line_height, total_lines = 0, 0
        allText = []
        for text in self.content.split('\n'):
            duanluo, line_height, line_count = self.get_duanluo(self.content)
            max_line_height = max(line_height, max_line_height)
            total_lines += line_count
            allText.append((duanluo, line_count))
        line_height = max_line_height
        total_height = total_lines * line_height
        return allText, total_height, line_height

    def RGB_to_Hex(self, tmp):
        rgb = tmp.split(',')  # 将RGB格式划分开来
        strs = '#'
        for i in rgb:
            num = int(i)  # 将str转int
            # 将R、G、B分别转化为16进制拼接转换并大写
            strs += str(hex(num))[-2:].replace('x', '0').upper()
            # print(strs)
            # color = RGB_to_Hex('249,204,190')
        img = Image.new("RGBA", self.size, strs)
        img.save("temp/back.png")

    def draw_text(self):
        self.RGB_to_Hex(self.backColor)
        """
        绘图以及文字
        :return:
        """
        note_img = Image.open("temp/back.png").convert("RGBA")
        draw = ImageDraw.Draw(note_img)

        # header = 'this is a title'
        # font_type = 'ABACE-PFB-2.ttf'
        font_type = 'PingFangHK.otf'


        color = "#FFFFFF"
        header_font = ImageFont.truetype(font_type, 110)

        header_x = 100
        header_y = 100
        print(self.title)
        draw.text((header_x, header_y), u'%s' % self.title, fill=(255, 255, 255), font=header_font)

        # 左上角开始
        x, y = 100, 300
        for duanluo, line_count in self.duanluo:
            draw.text((x, y), duanluo, fill=(255, 255, 255), font=self.font)
            y += self.line_height * line_count
        note_img.show()
        note_img.save("temp/backResult.png")


#
if __name__ == '__main__':
     size_6 = (2688, 1242)
    size_5 = (2208, 1242)
    title = "title"
    content = "sadjklsjdklasjdl"
    color = ('2,213,255')
    n = ImgText(title,content,size_5,color)
    n.draw_text()