用Python写个新年贺卡生成器

'''生成贺卡'''
def generate(self):
    # 检查路径是否存在
    content_path = self.content_edit.text()
    bg_path = self.bg_edit.text()
    font_path = self.font_edit.text()
    font_color = self.font_color_combobox.currentText()
    if (not self.checkFilepath(content_path)) or (not self.checkFilepath(bg_path)) or (not self.checkFilepath(font_path)):
        self.card_image = None
        return False
    # 写贺卡
    contents = open(content_path, encoding='utf-8').read().split('\n')
    font_card = ImageFont.truetype(font_path, self.font_size)
    image = Image.open(bg_path).convert('RGB')
    draw = ImageDraw.Draw(image)
    draw.text((180, 30), contents[0], font=font_card, fill=font_color)
    for idx, content in enumerate(contents[1: -1]):
        draw.text((220, 40+(idx+1)*40), content, font=font_card, fill=font_color)
    draw.text((180, 40+(idx+2)*40+10), contents[-1], font=font_card, fill=font_color)
    # 显示
    fp = io.BytesIO()
    image.save(fp, 'BMP')
    qtimg = QtGui.QImage()
    qtimg.loadFromData(fp.getvalue(), 'BMP')
    qtimg_pixmap = QtGui.QPixmap.fromImage(qtimg)
    self.show_label.setPixmap(qtimg_pixmap)
    self.card_image = image
复制代码