| | |
| | | <template> |
| | | <div class="video-player"> |
| | | <canvas v-show="showArea" id="area-canvas" ref="areaCanvas" width="960" height="540"></canvas> |
| | | <video ref="videoPlayer" :poster="poster" preload="auto" muted></video> |
| | | <div class="controls"> |
| | | <!-- 全屏 --> |
| | |
| | | </template> |
| | | <script> |
| | | import Wfs from "./wfs"; |
| | | |
| | | import VideoRuleData from "@/Pool/VideoRuleData"; |
| | | import TreeDataPool from "@/Pool/TreeData"; |
| | | import { getAllPolygon } from "@/api/polygon"; |
| | | import polygonCanvas from "@/components/canvas"; |
| | | export default { |
| | | name: "CameraPlayer", |
| | | props: { |
| | |
| | | isGb: { |
| | | type: Boolean, |
| | | default: false |
| | | }, |
| | | showArea: { |
| | | type: Boolean, |
| | | default: false |
| | | } |
| | | }, |
| | | |
| | | computed: { |
| | | poster() { |
| | | return "/images/player/player_poster.gif?t=" + Math.random() |
| | |
| | | data() { |
| | | return { |
| | | wfs: {}, |
| | | wfsId: 0 |
| | | wfsId: 0, |
| | | Camera: new VideoRuleData(), |
| | | showCanvas: true, |
| | | canvasData: { |
| | | line: [], |
| | | rect: [], // {id:'uuid', name: '矩形1', location: [{ x: 20, y: 30 }, { x: 20, y: 60 }, { x: 100, y: 60 }, { x: 100, y: 30 }] } |
| | | arrow: [], |
| | | polygon: [] |
| | | }, |
| | | //showProportion: 3.2, |
| | | //showProportionY: 3.58, |
| | | // showProportion: 1.036, |
| | | // showProportionY: 1.039, |
| | | showProportion: 1, |
| | | showProportionY: 1, |
| | | canvas: null, |
| | | ctx: null, |
| | | canvasWidth: 0, |
| | | canvasHeight: 0, |
| | | algoDataSocket: null |
| | | }; |
| | | }, |
| | | watch: { |
| | |
| | | if (newVal !== oldVal) { |
| | | if (this.wfs.config) { |
| | | this.wfs.destroy(); |
| | | !!this.algoDataSocket && this.algoDataSocket.close() |
| | | } |
| | | this.$nextTick(() => { |
| | | this.clickStart(); |
| | | }); |
| | | } |
| | | } |
| | | }, |
| | | mounted() { |
| | | this.clickStart(); |
| | | this.$nextTick(() => { |
| | | this.canvas = this.$refs.areaCanvas; |
| | | this.ctx = this.canvas.getContext("2d"); |
| | | this.ctx.lineWidth = 1; |
| | | this.initArea(); |
| | | |
| | | }) |
| | | }, |
| | | beforeDestroy() { |
| | | this.wfs.destroy(); |
| | | this.wfsId = ""; |
| | | |
| | | !!this.algoDataSocket && this.algoDataSocket.close() |
| | | }, |
| | | methods: { |
| | | checkConnect(id) { |
| | |
| | | if (cameraId == "") { |
| | | cameraId = this.getUuid(); |
| | | } |
| | | |
| | | if (Wfs.isSupported()) { |
| | | let wsAddr = this.wsAddr; |
| | | let cameraInfo = { |
| | |
| | | }, |
| | | fullScreen() { |
| | | this.$refs.videoPlayer.webkitRequestFullScreen(); |
| | | }, |
| | | // 回显cavas数据 |
| | | // 点击选中变色 将当前页面所有路径重绘判断当前鼠标的坐标在哪个图形内 如果不传坐标参数就是回显的方法 |
| | | clickSelect(e) { |
| | | this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height); |
| | | let _this = this; // 集合中遍历需要将this转存一下使用 |
| | | _this.canvasData.line.forEach(function (v, i) { |
| | | _this.ctx.strokeStyle = "yellow"; |
| | | _this.ctx.beginPath(); |
| | | _this.ctx.moveTo(v.location[0].x / _this.showProportion, v.location[0].y / _this.showProportion); |
| | | _this.ctx.lineTo(v.location[1].x / _this.showProportion, v.location[1].y / _this.showProportion); |
| | | _this.ctx.stroke(); |
| | | _this.canvas.style.cursor = "default"; |
| | | }); |
| | | _this.canvasData.rect.forEach(function (v, i) { |
| | | _this.ctx.strokeStyle = "yellow"; |
| | | _this.ctx.beginPath(); |
| | | _this.ctx.moveTo(v.location[0].x / _this.showProportion, v.location[0].y / _this.showProportion); |
| | | _this.ctx.lineTo(v.location[1].x / _this.showProportion, v.location[1].y / _this.showProportion); |
| | | _this.ctx.lineTo(v.location[2].x / _this.showProportion, v.location[2].y / _this.showProportion); |
| | | _this.ctx.lineTo(v.location[3].x / _this.showProportion, v.location[3].y / _this.showProportion); |
| | | _this.ctx.lineTo(v.location[0].x / _this.showProportion, v.location[0].y / _this.showProportion); |
| | | _this.ctx.stroke(); |
| | | _this.canvas.style.cursor = "default"; |
| | | |
| | | }); |
| | | _this.canvasData.arrow.forEach(function (v, i) { |
| | | _this.ctx.strokeStyle = "yellow"; |
| | | _this.drawArrow( |
| | | _this.ctx, |
| | | v.location[0].x / _this.showProportion, |
| | | v.location[0].y / _this.showProportion, |
| | | v.location[1].x / _this.showProportion, |
| | | v.location[1].y / _this.showProportion, |
| | | 20, |
| | | 30, |
| | | "yellow" |
| | | ); |
| | | _this.canvas.style.cursor = "default"; |
| | | |
| | | }); |
| | | _this.canvasData.polygon.forEach(function (v, i) { |
| | | if (v.location.length === 0) { |
| | | return; |
| | | } |
| | | _this.ctx.strokeStyle = "yellow"; |
| | | _this.ctx.beginPath(); |
| | | _this.ctx.moveTo(v.location[0].x / _this.showProportion, v.location[0].y / _this.showProportionY); |
| | | for (let i = 1; i < v.location.length; i++) { |
| | | _this.ctx.lineTo(v.location[i].x / _this.showProportion, v.location[i].y / _this.showProportionY); |
| | | } |
| | | _this.ctx.closePath(); |
| | | _this.ctx.stroke(); |
| | | _this.canvas.style.cursor = "default"; |
| | | |
| | | }); |
| | | }, |
| | | |
| | | // 箭头绘制函数 |
| | | drawArrow(ctx, fromX, fromY, toX, toY, theta = 30, headlen = 10, width = 1, color = "yellow") { |
| | | // ctx:Canvas绘图环境 |
| | | // fromX, fromY:起点坐标(也可以换成p1,只不过它是一个数组) |
| | | // toX, toY:终点坐标 (也可以换成p2,只不过它是一个数组) |
| | | // theta:三角斜边一直线夹角 |
| | | // headlen:三角斜边长度 |
| | | // width:箭头线宽度 |
| | | // color:箭头颜色 |
| | | // theta = typeof theta !== "undefined" ? theta : 30; |
| | | // headlen = typeof theta !== "undefined" ? headlen : 10; |
| | | // width = typeof width !== "undefined" ? width : 1; |
| | | // color = typeof color !== "undefined" ? color : "yellow"; |
| | | // 计算各角度和对应的P2,P3坐标 |
| | | let angle = (Math.atan2(fromY - toY, fromX - toX) * 180) / Math.PI; |
| | | let angle1 = ((angle + theta) * Math.PI) / 180; |
| | | let angle2 = ((angle - theta) * Math.PI) / 180; |
| | | let topX = headlen * Math.cos(angle1); |
| | | let topY = headlen * Math.sin(angle1); |
| | | let botX = headlen * Math.cos(angle2); |
| | | let botY = headlen * Math.sin(angle2); |
| | | |
| | | ctx.save(); |
| | | ctx.beginPath(); |
| | | let arrowX = fromX - topX; |
| | | let arrowY = fromY - topY; |
| | | ctx.moveTo(arrowX, arrowY); |
| | | ctx.moveTo(fromX, fromY); |
| | | ctx.lineTo(toX, toY); |
| | | arrowX = toX + topX; |
| | | arrowY = toY + topY; |
| | | ctx.moveTo(arrowX, arrowY); |
| | | ctx.lineTo(toX, toY); |
| | | arrowX = toX + botX; |
| | | arrowY = toY + botY; |
| | | ctx.lineTo(arrowX, arrowY); |
| | | ctx.strokeStyle = color; |
| | | ctx.lineWidth = width; |
| | | ctx.stroke(); |
| | | ctx.restore(); |
| | | }, |
| | | |
| | | // 回显图形备注 |
| | | showRemarks(x, y, remarks) { |
| | | this.ctx.moveTo(x, y - 10); // 因为放大之后是y-20,所以缩小版的为y-10 |
| | | this.ctx.fillStyle = "green"; // 设置填充颜色为绿色 |
| | | this.ctx.font = '10px "微软雅黑"'; // 设置字体 |
| | | this.ctx.textBaseline = "bottom"; // 设置字体底线对齐绘制基线 |
| | | this.ctx.textAlign = "left"; // 设置字体对齐的方式 |
| | | this.ctx.fillText(remarks, x, y - 10); // 填充文字 |
| | | }, |
| | | getCanvasData(data) { |
| | | let polyon = { ...data }; |
| | | polyon.camera_id = this.Camera.cameraId; |
| | | savePolygon(polyon).then(rsp => { |
| | | this.Camera.getPolygon(); |
| | | this.Camera.getCameraTask(); |
| | | }); |
| | | }, |
| | | setWidthHeight() { |
| | | this.canvasWidth = this.$refs.videoPlayer.offsetWidth; |
| | | this.canvasHeight = this.$refs.videoPlayer.offsetHeight; |
| | | console.log(this.canvasWidth, this.canvasHeight) |
| | | }, |
| | | async initArea() { |
| | | console.log('init') |
| | | const res = await getAllPolygon({ cameraId: this.TreeDataPool.selectedNode.id }); |
| | | this.canvasData.line = res.data.line; |
| | | this.canvasData.rect = res.data.rect; |
| | | this.canvasData.arrow = res.data.arrow; |
| | | this.canvasData.polygon = res.data.polygon; |
| | | console.log(this.canvasData) |
| | | this.clickSelect(this.canvasData); |
| | | }, |
| | | initAlgoDataWebScoket() { |
| | | if (typeof (WebSocket) === "undefined") { |
| | | console.log("error,您的浏览器不支持socket") |
| | | } else { |
| | | this.algoDataSocket = new WebSocket() |
| | | this.algoDataSocket.onopen = () => { |
| | | console.log("socket连接成功") |
| | | } |
| | | this.algoDataSocket.onerror = () => { |
| | | console.log("连接错误") |
| | | } |
| | | this.algoDataSocket.onmessage = msg => { |
| | | console.log(msg) |
| | | } |
| | | } |
| | | } |
| | | }, |
| | | mounted() { |
| | | this.clickStart(); |
| | | }, |
| | | beforeDestroy() { |
| | | this.wfs.destroy(); |
| | | this.wfsId = ""; |
| | | } |
| | | }; |
| | | </script> |
| | | |
| | | <style lang="scss"> |
| | | #area-canvas { |
| | | background: transparent; |
| | | position: absolute; |
| | | top: 0; |
| | | left: 0; |
| | | padding: 0; |
| | | width: 100%; |
| | | height: 100%; |
| | | } |
| | | |
| | | video { |
| | | object-fit: fill; |
| | | width: 100%; |