ROI选区01

This commit is contained in:
2026-01-20 17:46:32 +08:00
parent f39f59be94
commit feba269e58
2 changed files with 314 additions and 0 deletions

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frontend/src/main.tsx Normal file
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import React from 'react'
import ReactDOM from 'react-dom/client'
import AppWrapper from './AppWrapper'
import './index.css'
ReactDOM.createRoot(document.getElementById('root')!).render(
<React.StrictMode>
<AppWrapper />
</React.StrictMode>,
)

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import React, { useEffect, useState, useRef } from 'react';
import { Card, Button, Space, Select, message, Modal, Form, Input, InputNumber, Drawer } from 'antd';
import { Stage, Layer, Rect, Line, Circle, Text as KonvaText } from 'react-konva';
import axios from 'axios';
interface ROI {
id: number;
roi_id: string;
name: string;
type: string;
points: number[][];
rule: string;
direction: string | null;
enabled: boolean;
threshold_sec: number;
confirm_sec: number;
return_sec: number;
}
interface Camera {
id: number;
name: string;
}
const ROIEditor: React.FC = () => {
const [cameras, setCameras] = useState<Camera[]>([]);
const [selectedCamera, setSelectedCamera] = useState<number | null>(null);
const [rois, setRois] = useState<ROI[]>([]);
const [snapshot, setSnapshot] = useState<string>('');
const [loading, setLoading] = useState(false);
const [imageDim, setImageDim] = useState({ width: 800, height: 600 });
const [selectedROI, setSelectedROI] = useState<ROI | null>(null);
const [drawerVisible, setDrawerVisible] = useState(false);
const [form] = Form.useForm();
const stageRef = useRef<any>(null);
const fetchCameras = async () => {
try {
const res = await axios.get('/api/cameras?enabled_only=true');
setCameras(res.data);
if (res.data.length > 0 && !selectedCamera) {
setSelectedCamera(res.data[0].id);
}
} catch (err) {
message.error('获取摄像头列表失败');
}
};
useEffect(() => {
fetchCameras();
}, []);
useEffect(() => {
if (selectedCamera) {
fetchSnapshot();
fetchROIs();
}
}, [selectedCamera]);
const fetchSnapshot = async () => {
if (!selectedCamera) return;
try {
const res = await axios.get(`/api/camera/${selectedCamera}/snapshot/base64`);
setSnapshot(res.data.image);
const img = new Image();
img.onload = () => {
const maxWidth = 800;
const maxHeight = 600;
const scale = Math.min(maxWidth / img.width, maxHeight / img.height);
setImageDim({ width: img.width * scale, height: img.height * scale });
};
img.src = `data:image/jpeg;base64,${res.data.image}`;
} catch (err) {
message.error('获取截图失败');
}
};
const fetchROIs = async () => {
if (!selectedCamera) return;
try {
const res = await axios.get(`/api/camera/${selectedCamera}/rois`);
setRois(res.data);
} catch (err) {
message.error('获取ROI列表失败');
}
};
const handleSaveROI = async (values: any) => {
if (!selectedCamera || !selectedROI) return;
try {
await axios.put(`/api/camera/${selectedCamera}/roi/${selectedROI.id}`, values);
message.success('保存成功');
setDrawerVisible(false);
fetchROIs();
} catch (err) {
message.error('保存失败');
}
};
const handleAddROI = async () => {
if (!selectedCamera) return;
const roi_id = `roi_${Date.now()}`;
try {
await axios.post(`/api/camera/${selectedCamera}/roi`, {
roi_id,
name: '新区域',
roi_type: 'polygon',
points: [[100, 100], [300, 100], [300, 300], [100, 300]],
rule_type: 'leave_post',
threshold_sec: 360,
confirm_sec: 30,
return_sec: 5,
});
message.success('添加成功');
fetchROIs();
} catch (err) {
message.error('添加失败');
}
};
const handleDeleteROI = async (roiId: number) => {
if (!selectedCamera) return;
try {
await axios.delete(`/api/camera/${selectedCamera}/roi/${roiId}`);
message.success('删除成功');
fetchROIs();
} catch (err) {
message.error('删除失败');
}
};
const getROIStrokeColor = (rule: string) => {
return rule === 'intrusion' ? '#ff4d4f' : '#faad14';
};
const renderROI = (roi: ROI) => {
const points = roi.points.flat();
const color = getROIStrokeColor(roi.rule);
if (roi.type === 'polygon') {
return (
<Line
key={roi.id}
points={points}
closed
stroke={color}
strokeWidth={2}
fill={`${color}33`}
onClick={() => {
setSelectedROI(roi);
form.setFieldsValue(roi);
setDrawerVisible(true);
}}
/>
);
} else if (roi.type === 'line') {
return (
<Line
key={roi.id}
points={points}
stroke={color}
strokeWidth={3}
onClick={() => {
setSelectedROI(roi);
form.setFieldsValue(roi);
setDrawerVisible(true);
}}
/>
);
}
return null;
};
return (
<div>
<Card>
<Space style={{ marginBottom: 16 }}>
<Select
placeholder="选择摄像头"
value={selectedCamera}
onChange={setSelectedCamera}
style={{ width: 200 }}
options={cameras.map((c) => ({ label: c.name, value: c.id }))}
/>
<Button type="primary" onClick={fetchSnapshot}>
</Button>
<Button onClick={handleAddROI}>ROI</Button>
</Space>
<div className="roi-editor-container" style={{ display: 'flex', gap: 16 }}>
<div style={{ flex: 1, background: '#f0f0f0', display: 'flex', justifyContent: 'center', alignItems: 'center' }}>
{snapshot ? (
<Stage width={imageDim.width} height={imageDim.height} ref={stageRef}>
<Layer>
<Rect
x={0}
y={0}
width={imageDim.width}
height={imageDim.height}
fillPatternImage={
(() => {
const img = new Image();
img.src = `data:image/jpeg;base64,${snapshot}`;
return img;
})()
}
fillPatternOffset={{ x: 0, y: 0 }}
fillPatternScale={{ x: 1, y: 1 }}
/>
{rois.map(renderROI)}
</Layer>
</Stage>
) : (
<div>...</div>
)}
</div>
<div style={{ width: 300 }}>
<Card title="ROI列表" size="small">
{rois.map((roi) => (
<div
key={roi.id}
style={{
padding: 8,
marginBottom: 8,
background: '#fafafa',
borderRadius: 4,
cursor: 'pointer',
border: selectedROI?.id === roi.id ? '2px solid #1890ff' : '1px solid #d9d9d9',
}}
onClick={() => {
setSelectedROI(roi);
form.setFieldsValue(roi);
setDrawerVisible(true);
}}
>
<div style={{ fontWeight: 'bold' }}>{roi.name}</div>
<div style={{ fontSize: 12, color: '#666' }}>
: {roi.type} | : {roi.rule}
</div>
<Button
type="text"
danger
size="small"
onClick={(e) => {
e.stopPropagation();
handleDeleteROI(roi.id);
}}
>
</Button>
</div>
))}
</Card>
</div>
</div>
</Card>
<Drawer
title="编辑ROI"
open={drawerVisible}
onClose={() => setDrawerVisible(false)}
width={400}
>
<Form form={form} layout="vertical" onFinish={handleSaveROI}>
<Form.Item name="name" label="名称" rules={[{ required: true }]}>
<Input />
</Form.Item>
<Form.Item name="roi_type" label="类型">
<Select options={[{ label: '多边形', value: 'polygon' }, { label: '线段', value: 'line' }]} />
</Form.Item>
<Form.Item name="rule_type" label="规则">
<Select
options={[
{ label: '离岗检测', value: 'leave_post' },
{ label: '周界入侵', value: 'intrusion' },
]}
/>
</Form.Item>
<Form.Item name="threshold_sec" label="超时时间(秒)">
<InputNumber min={60} style={{ width: '100%' }} />
</Form.Item>
<Form.Item name="confirm_sec" label="确认时间(秒)">
<InputNumber min={5} style={{ width: '100%' }} />
</Form.Item>
<Form.Item name="enabled" label="启用" valuePropName="checked">
<input type="checkbox" />
</Form.Item>
<Form.Item>
<Space>
<Button type="primary" htmlType="submit">
</Button>
<Button onClick={() => setDrawerVisible(false)}></Button>
</Space>
</Form.Item>
</Form>
</Drawer>
</div>
);
};
export default ROIEditor;