本文最后更新于 618 天前，其中的信息可能已经有所发展或是发生改变。
最近出于业务需要，就自己撸了一个饼状图生成器，特意发出来保存一下。
生成图片如下图所示：
代码直接贴上：
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# /usr/bin/python # coding:utf-8 from PIL import Image,ImageFont,ImageDraw FONT_PATH = "C:/Windows/Fonts/simhei.ttf" def draw_pieslice(background,title,info_list): draw = ImageDraw.Draw(background) font_title = ImageFont.truetype(FONT_PATH,25,encoding = 'utf-8') font_normal = ImageFont.truetype(FONT_PATH,15,encoding = 'utf-8') title_w,title_h = draw.textsize(title,font_title,spacing = 6) normal_w,normal_h = draw.textsize(info_list[0][0]+" "+"88%",font_normal,spacing = 6) font_h = ( len(info_list) + 1 ) * ( normal_h + 10 ) - 20 background_w,background_h = ( 360 + normal_h + normal_w,350 + title_h if 300 > font_h else 50 + title_h + font_h ) background = background.resize((background_w,background_h)) draw = ImageDraw.Draw(background) title_center_manger = int((background_w - title_w) / 2) draw.text((title_center_manger,20),title,fill = (0,0,0),font = font_title) draw.text((340,background_h - font_h - 20),"图例",fill = (0,0,0),font = font_normal) all_data_num = 0 for data in info_list: all_data_num += data[1] start_angle = 0 step_color = int( 205 / len(info_list) ) tmp_location = 1 for data in info_list: tmp_color = tmp_location * step_color + 50 pieslice_color = (tmp_color,tmp_color,tmp_color) add_angle = ( data[1] / all_data_num ) * 360 draw.pieslice((10,40 + title_h,310,340 + title_h),start = start_angle,end = start_angle + add_angle,fill = pieslice_color,outline = (0,0,0)) draw.text((340,background_h - font_h - 20 + tmp_location * ( normal_h + 10 )),data[0] + " " + str(int(( data[1] / all_data_num ) * 100)) + "%",fill = (0,0,0),font = font_normal) draw.rectangle((350 + normal_w,background_h - font_h - 20 + tmp_location * ( normal_h + 10 ),350 + normal_w + normal_h,background_h - font_h - 20 + tmp_location * ( normal_h + 10 ) + normal_h),fill = pieslice_color,outline = (0,0,0)) tmp_location += 1 start_angle = start_angle + add_angle return background if __name__ == '__main__': background = Image.new("RGB",(10,10),(255,255,255)) background = draw_pieslice(background,"测试数据集",[["A",15],["B",15],["C",20],["D",5],["E",1]]) background.save("./tmp.png") |
也可以在我的github获取这段代码的原文件。
