player 添加算法数据推送

zhangzengfei

2021-05-21 fd7d0f525987ef7cbfea05ae514faa0342206114

player 添加算法数据推送

 src/components/player/index.vue

@@ -47,9 +47,8 @@
      default: false
    }
  },
 
  computed: {

  computed: {
    poster() {
      return "/images/player/player_poster.gif?t=" + Math.random()
    }
@@ -76,6 +75,7 @@
      ctx: null,
      canvasWidth: 0,
      canvasHeight: 0,
      algoDataSocket: null
    };
  },
  watch: {
@@ -83,6 +83,7 @@
      if (newVal !== oldVal) {
        if (this.wfs.config) {
          this.wfs.destroy();
          !!this.algoDataSocket && this.algoDataSocket.close()
        }
        this.$nextTick(() => {
          this.clickStart();
@@ -90,13 +91,29 @@
      }
    }
  },
  mounted() {
    this.clickStart();
    this.$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) {
      // console.log(this.wfs)
      if (id !== this.wfsId) {
        return
      }
      

      if (this.wfs.websocketLoader && this.wfs.websocketLoader.client) {
        if (this.wfs.websocketLoader.client.disconnected) {
          this.clickStart();
@@ -176,7 +193,7 @@
        _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";
@@ -189,9 +206,9 @@
          20,
          30,
          "yellow"
        ); 
        );
        _this.canvas.style.cursor = "default";
        

      });
      _this.canvasData.polygon.forEach(function (v, i) {
        if (v.location.length === 0) {
@@ -206,12 +223,12 @@
        _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") {
    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)
@@ -251,7 +268,7 @@
      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
@@ -269,41 +286,43 @@
        this.Camera.getCameraTask();
      });
    },
    setWidthHeight(){
    setWidthHeight() {
      this.canvasWidth = this.$refs.videoPlayer.offsetWidth;
      this.canvasHeight = this.$refs.videoPlayer.offsetHeight;
      console.log(this.canvasWidth,this.canvasHeight)
      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.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();
    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;