from PIL import Image,ImageDraw,ImageFont
from pathlib import Path
O=Path(r'C:\projects\wheel\models\kfl_3030_concept')
font=r'C:\Windows\Fonts\msyh.ttc'
def f(s): return ImageFont.truetype(font,s)
canvas=Image.new('RGB',(2400,1740),'#f4f6fa');d=ImageDraw.Draw(canvas)
d.text((70,35),'3030 底座 · 双横梁轴承支撑示意',font=f(50),fill='#18283c')
d.text((70,108),'两块 76 × 80 × 8 mm 板；每块板采用两只 50 × 31 × 19 × 3 mm 长孔角码',font=f(27),fill='#3e5065')
def panel(name,xy,wh,title):
 x,y=xy;w,h=wh;d.rounded_rectangle((x,y,x+w,y+h),radius=18,fill='white',outline='#d9e0e9',width=2);d.text((x+20,y+15),title,font=f(28),fill='#20344c')
 img=Image.open(O/name).convert('RGB');img.thumbnail((w-28,h-70));canvas.paste(img,(x+(w-img.width)//2,y+58))
panel('assembly.png',(45,165),(1130,1060),'总装：电机、两只轴承、开关空间与 150 mm 轴')
panel('frame.png',(1225,165),(1130,1060),'隐藏电机和开关，查看两根横梁与角码')
d.rounded_rectangle((45,1255,2355,1690),radius=18,fill='white',outline='#d9e0e9',width=2)
d.text((75,1275),'布置与检查范围',font=f(32),fill='#20344c')
rows=['① 底座纵梁、横梁均为 3030；两根横梁夹在纵梁之间并比纵梁低 2 mm，橙色为角码。',
 '② 角码的 50 mm 边接板，31 mm 边接横梁；短槽位置按居中假设，实物需核对。',
 '③ 灯光开关绿色部分是尺寸包络，未建真实插头、线材和拨杆；型材槽及 T 型螺母未画出。',
 '④ 电机侧原有 2020 型材保留，它与底座 3030 的实际连接件未设计，需后续补充。',
 '注：此图用于讨论，轴承、螺丝工具空间、型材槽及实际开关均须实物核对，不能直接加工。']
for i,s in enumerate(rows): d.text((75,1338+i*63),s,font=f(25),fill='#9b4939' if i>=3 else '#30445b')
canvas.save(O/'3030底座_双横梁装配示意.png')