python-tools/barcodegenerator/imageBuilder.py

from PIL import Image, ImageDraw, ImageFont

class imageBuilder():
    def __init__(self,width,height,color):
        self.new_img = Image.new('RGB', (int(width), int(height)), color)
        self.draw_image()

    def draw_image(self):
        self.draw=ImageDraw.Draw(self.new_img)
        self.img_size = self.new_img.size

    def draw_text(self,x,y,text):
        """
          x:横坐标
          y:纵坐标
          text:内容
        """
        font_size=40
        fnt = ImageFont.truetype('simsun.ttc', font_size)
        fnt_size = fnt.getsize(text)
        while fnt_size[0] > self.img_size[0] or fnt_size[0] > self.img_size[0]:
            font_size -= 5
            fnt = ImageFont.truetype('arial.ttf', font_size)
            fnt_size = fnt.getsize(text)
        self.draw.text((x, y), text, font=fnt, fill=(255, 0, 0))
    def splitImage(self,box):
        """
           通过元祖（x,y,width,height)裁切图片
        """
        splitimage=self.new_img.crop(box)
        return splitimage
    def saveimage(self,path):
        self.new_img.save(path)