| | |
| | | <template> |
| | | <div class="video-player"> |
| | | <canvas v-show="showArea" id="area-canvas" ref="areaCanvas" :width="canvasWidth" :height="canvasHeight"></canvas> |
| | | <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 --> |
| | |
| | | }, |
| | | showArea: { |
| | | type: Boolean, |
| | | default: true |
| | | default: false |
| | | } |
| | | }, |
| | | |
| | | computed: { |
| | | |
| | | computed: { |
| | | poster() { |
| | | return "/images/player/player_poster.gif?t=" + Math.random() |
| | | } |
| | |
| | | }, |
| | | //showProportion: 3.2, |
| | | //showProportionY: 3.58, |
| | | showProportion: 1.036, |
| | | showProportionY: 1.039, |
| | | // showProportion: 1.036, |
| | | // showProportionY: 1.039, |
| | | showProportion: 1, |
| | | showProportionY: 1, |
| | | canvas: null, |
| | | ctx: null, |
| | | canvasWidth: 0, |
| | | canvasHeight: 0, |
| | | algoDataSocket: null |
| | | }; |
| | | }, |
| | | watch: { |
| | | // "TreeDataPool.selectedNode": async function(node){ |
| | | // if(node){ |
| | | // console.log('TreeDataPool.selectedNode') |
| | | // console.log(node) |
| | | // //this.Camera.cameraId = node.id; |
| | | // const res = await getAllPolygon({cameraId: node.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); |
| | | // } |
| | | // }, |
| | | |
| | | rtspUrl: function (newVal, oldVal) { |
| | | 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 = { |
| | |
| | | _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.showRemarks( |
| | | // v.location[0].x / _this.showProportion, |
| | | // v.location[0].y / _this.showProportion, |
| | | // v.name |
| | | // ); |
| | | _this.canvas.style.cursor = "default"; |
| | | if (e && _this.ctx.isPointInStroke(e.offsetX, e.offsetY)) { |
| | | // 如果传入了事件坐标,就用isPointInStroke判断一下 |
| | | // 如果当前环境覆盖了该坐标,就将图形的index放到数组里 |
| | | // 当鼠标移入之后将当前的模式切换为选中模式 |
| | | _this.type = "0"; |
| | | _this.delCursor.type = "1"; |
| | | _this.delCursor.index = i; |
| | | // 将当前元素标红 |
| | | _this.ctx.strokeStyle = "red"; |
| | | _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.showRemarks( |
| | | v.location[0].x / _this.showProportion, |
| | | v.location[0].y / _this.showProportion, |
| | | v.name |
| | | ); |
| | | _this.canvas.style.cursor = "pointer"; |
| | | } |
| | | }); |
| | | _this.canvasData.rect.forEach(function (v, i) { |
| | | _this.ctx.strokeStyle = "yellow"; |
| | |
| | | _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.showRemarks( |
| | | // v.location[0].x / _this.showProportion, |
| | | // v.location[0].y / _this.showProportion, |
| | | // v.name |
| | | // ); |
| | | _this.canvas.style.cursor = "default"; |
| | | if (e && _this.ctx.isPointInPath(e.offsetX, e.offsetY)) { |
| | | // 如果传入了事件坐标,就用isPointInStroke判断一下 |
| | | // 当鼠标移入之后将当前的模式切换为选中模式 |
| | | _this.type = "0"; |
| | | _this.delCursor.type = "2"; |
| | | _this.delCursor.index = i; |
| | | // 将当前元素标红 |
| | | _this.ctx.strokeStyle = "red"; |
| | | _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.showRemarks( |
| | | v.location[0].x / _this.showProportion, |
| | | v.location[0].y / _this.showProportion, |
| | | v.name |
| | | ); |
| | | _this.canvas.style.cursor = "pointer"; |
| | | } |
| | | |
| | | }); |
| | | _this.canvasData.arrow.forEach(function (v, i) { |
| | | _this.ctx.strokeStyle = "yellow"; |
| | | // _this.ctx.beginPath() |
| | | // _this.ctx.moveTo(v.location[0].x / 2, v.location[0].y / 2) |
| | | // _this.ctx.lineTo(v.location[1].x / 2, v.location[1].y / 2) |
| | | // _this.ctx.stroke() |
| | | _this.drawArrow( |
| | | _this.ctx, |
| | | v.location[0].x / _this.showProportion, |
| | |
| | | 20, |
| | | 30, |
| | | "yellow" |
| | | ); // 绘制方法 |
| | | _this.showRemarks( |
| | | v.location[0].x / _this.showProportion, |
| | | v.location[0].y / _this.showProportion, |
| | | v.name |
| | | ); |
| | | _this.canvas.style.cursor = "default"; |
| | | if (e && _this.ctx.isPointInStroke(e.offsetX, e.offsetY)) { |
| | | // 如果传入了事件坐标,就用isPointInStroke判断一下 |
| | | // 如果当前环境覆盖了该坐标,就将图形的index放到数组里 |
| | | // 当鼠标移入之后将当前的模式切换为选中模式 |
| | | _this.type = "0"; |
| | | _this.delCursor.type = "4"; |
| | | _this.delCursor.index = i; |
| | | // 将当前元素标红 |
| | | _this.ctx.strokeStyle = "red"; |
| | | // _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.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, |
| | | "red" |
| | | ); // 绘制方法 |
| | | _this.showRemarks( |
| | | v.location[0].x / _this.showProportion, |
| | | v.location[0].y / _this.showProportion, |
| | | v.name |
| | | ); |
| | | _this.canvas.style.cursor = "pointer"; |
| | | } |
| | | |
| | | }); |
| | | _this.canvasData.polygon.forEach(function (v, i) { |
| | | if (v.location.length === 0) { |
| | |
| | | } |
| | | _this.ctx.closePath(); |
| | | _this.ctx.stroke(); |
| | | // _this.showRemarks( |
| | | // v.location[v.location.length - 1].x / _this.showProportion, |
| | | // v.location[v.location.length - 1].y / _this.showProportionY, |
| | | // v.name |
| | | // ); |
| | | _this.canvas.style.cursor = "default"; |
| | | if (e && _this.ctx.isPointInPath(e.offsetX, e.offsetY)) { |
| | | // 如果传入了事件坐标,就用isPointInStroke判断一下 |
| | | // 如果当前环境覆盖了该坐标,就将图形的index放到数组里 |
| | | // 当鼠标移入之后将当前的模式切换为选中模式 |
| | | _this.type = "0"; |
| | | _this.delCursor.type = "5"; |
| | | _this.delCursor.index = i; |
| | | // 将当前元素标红 |
| | | _this.ctx.strokeStyle = "red"; |
| | | _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.showRemarks( |
| | | v.location[v.location.length - 1].x / _this.showProportion, |
| | | v.location[v.location.length - 1].y / _this.showProportionY, |
| | | v.name |
| | | ); |
| | | _this.canvas.style.cursor = "pointer"; |
| | | } |
| | | |
| | | }); |
| | | }, |
| | | |
| | | // 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.Camera.getCameraTask(); |
| | | }); |
| | | }, |
| | | setWidthHeight(){ |
| | | setWidthHeight() { |
| | | this.canvasWidth = this.$refs.videoPlayer.offsetWidth; |
| | | this.canvasHeight = this.$refs.videoPlayer.offsetHeight; |
| | | console.log(this.canvasWidth, this.canvasHeight) |
| | | }, |
| | | async initArea(){ |
| | | async initArea() { |
| | | console.log('init') |
| | | const res = await getAllPolygon({cameraId: this.TreeDataPool.selectedNode.id}); |
| | | const res = await getAllPolygon({ cameraId: this.TreeDataPool.selectedNode.id }); |
| | | this.canvasData.line = res.data.line; |
| | | this.canvasData.rect = res.data.rect; |
| | | this.canvasData.arrow = res.data.arrow; |
| | | this.canvasData.polygon = res.data.polygon; |
| | | console.log(this.canvasData) |
| | | // this.canvasData = { |
| | | // line: [], |
| | | // arrow: [], |
| | | // polygon: [{id:'uuid', name: '多边形1', location: [{ x: 735, y: 155 }, { x: 830, y: 156 }, { x: 809, y: 351 }, { x: 809, y: 364 }, { x: 753, y: 396 }, { x: 755, y: 520 },{ x: 706, y: 524 },{ x: 722, y: 392 },{x:758,y:280},{ x: 735, y: 155 }] }], |
| | | // //rect: rsp.data.rect |
| | | // rect: [] |
| | | // }; |
| | | this.clickSelect(this.canvasData); |
| | | }, |
| | | initAlgoDataWebScoket() { |
| | | if (typeof (WebSocket) === "undefined") { |
| | | console.log("error,您的浏览器不支持socket") |
| | | } else { |
| | | this.algoDataSocket = new WebSocket() |
| | | this.algoDataSocket.onopen = () => { |
| | | console.log("socket连接成功") |
| | | } |
| | | this.algoDataSocket.onerror = () => { |
| | | console.log("连接错误") |
| | | } |
| | | this.algoDataSocket.onmessage = msg => { |
| | | console.log(msg) |
| | | } |
| | | } |
| | | } |
| | | }, |
| | | mounted() { |
| | | this.clickStart(); |
| | | //获取video宽高并给区域canvas赋值 |
| | | this.setWidthHeight(); |
| | | window.addEventListener('resize',()=>{ |
| | | //this.setWidthHeight(); |
| | | //this.initArea(); |
| | | }); |
| | | this.$nextTick(()=>{ |
| | | this.canvas = this.$refs.areaCanvas; |
| | | this.ctx = this.canvas.getContext("2d"); |
| | | this.ctx.lineWidth = 1; |
| | | |
| | | this.initArea(); |
| | | |
| | | }) |
| | | }, |
| | | beforeDestroy() { |
| | | this.wfs.destroy(); |
| | | this.wfsId = ""; |
| | | } |
| | | }; |
| | | </script> |
| | | |
| | | <style lang="scss"> |
| | | #area-canvas{ |
| | | #area-canvas { |
| | | background: transparent; |
| | | position: absolute; |
| | | top: 0; |