from PIL import Image, ImageChops, ImageDraw, ImageFont
from pathlib import Path
out=Path(r'C:\projects\wheel\models\kfl_plate_adjust_concept')
F=r'C:\Windows\Fonts\msyh.ttc'; title=ImageFont.truetype(F,38); mid=ImageFont.truetype(F,24); small=ImageFont.truetype(F,22)
im=Image.new('RGB',(1920,1200),'white');d=ImageDraw.Draw(im)
d.text((40,18),'KFL001 反装 · 8 mm 轴承板及对中调整',font=title,fill='#1a304d')
d.text((40,75),'Ø12 × 150 mm 轴；两侧 2020 型材；灯光开关及接线 60 mm 包络',font=mid,fill='#52657b')
d.rounded_rectangle((40,116,1880,167),radius=8,fill='#fff0eb');d.text((52,126),'概念图：轴承径向凸起、铝板孔、开关外形和五金规格需核实，不可用于 CNC',font=mid,fill='#9b2b22')
def panel(filename,x,y,w,h,angle=0):
    image=Image.open(out/filename).convert('RGB')
    if angle:image=image.rotate(angle,expand=True)
    bg=Image.new('RGB',image.size,'white'); mask=ImageChops.difference(image,bg).convert('L').point(lambda p:255 if p>12 else 0); bounds=mask.getbbox()
    if bounds:image=image.crop(bounds)
    image.thumbnail((w,h));im.paste(image,(x+(w-image.width)//2,y+(h-image.height)//2))
d.text((40,186),'总装（电机在左，方向盘侧在右）',font=mid,fill='#243a55')
d.text((1000,186),'轴承板与角码（隐藏开关、法兰）',font=mid,fill='#243a55')
panel('side.png',30,220,930,560,90); panel('adjustment.png',980,220,900,560,90)
d.line((40,800,1880,800),fill='#d8e0e9',width=2)
rows=[
('两块铝板各 8 mm；KFL 安装耳贴板，凸起进入中心孔；轴承与板作为整体对中。','#243a55'),
('竖向：角码长槽；横向：铝板长槽，交叉槽共用一颗螺丝；前后：2020 槽内 T 型螺母。','#243a55'),
('螺丝基准偏心：竖向约上 1 / 下 2 mm，横向约 ±2 mm，为几何行程，不可硬推轴。','#9b2b22'),
('轴承轴向按 KMT 标称，板孔 Ø30.2、凸起 Ø29 假设；轴承间中心距约 104.5 mm。','#52657b'),
('型材圆孔侧需 Ø9.5×2.75 mm 低头螺丝；工具空间、0.5 mm 法兰间隙未验证。','#9b2b22'),
]
for i,(txt,color) in enumerate(rows):d.text((40,822+i*48),txt,font=small,fill=color)
im.save(out/'KFL反装铝板_3D装配示意.png')