vent_DXF_2/drawer/auto_gate_drawer.py

from core import rotate_point_around_another
from drawer.BaseDrawer import BaseDrawer, VentGraphDrawer
from entity.primitives import Gate
from ezdxf import math as mt
from dict.model_config import _get_app_name, _global_model_configs


class AutoGateDrawer(VentGraphDrawer):

    def __init__(self, obj, msp, style):
        super().__init__(obj, msp, style)

        self.gate_drawers = {
            0: self.draw_gate_style_0,
        }

    def initialize_data(self):
        self.obj.color = (255, 255, 255)

    def draw_obj(self, center, route):
        self.gate_drawers[self.style](center, route)

    def draw_gate_style_0(self, center, route):
        #       a1
        #     c2（|°c1
        #       。a2
        a1 = center[0], center[1] + self.obj.width * 0.7
        a2 = center[0], center[1] - self.obj.width * 0.7
        c1 = center[0], center[1]
        c2 = center[0] - 0.5 * self.obj.width, center[1]

        mt_carc = mt.arc.ConstructionArc()

        arc_1 = mt_carc.from_3p(start_point=a1, def_point=c2, end_point=a2)

        arc = self.msp.add_arc(center=arc_1.center, radius=arc_1.radius, start_angle=arc_1.start_angle,
                               end_angle=arc_1.end_angle,
                               dxfattribs={"layer": f"图层{self.obj.layer_id}", "lineweight": 50})
        arc.rgb = self.obj.color

        hatch = self.msp.add_hatch()
        hatch.set_pattern_fill('SOLID')  # 'SOLID'表示实心填充，color=1为红色

        # 添加边缘路径（圆形边界）
        edge_path = hatch.paths.add_edge_path()
        edge_path.add_arc(
            center=c1,
            radius=self.obj.width * 0.1,
            start_angle=0,  # 起始角度0度
            end_angle=360,  # 结束角度360度，形成完整圆
            ccw=True  # 逆时针方向
        )

        edge_path.add_arc(
            center=c2,
            radius=self.obj.width * 0.1,
            start_angle=0,  # 起始角度0度
            end_angle=360,  # 结束角度360度，形成完整圆
            ccw=True  # 逆时针方向
        )