From 9f90f790c672413580725cfb5c0359f555b91bd6 Mon Sep 17 00:00:00 2001
From: zhangzengfei <zhangzengfei@iotlink.com>
Date: 星期三, 09 九月 2020 15:42:22 +0800
Subject: [PATCH] fix: example app

---
 src/components/player/index.vue |  146 ++++++++++++++++++++++++++++++++----------------
 1 files changed, 96 insertions(+), 50 deletions(-)

diff --git a/src/components/player/index.vue b/src/components/player/index.vue
index 8a13ecd..e73f92b 100644
--- a/src/components/player/index.vue
+++ b/src/components/player/index.vue
@@ -1,6 +1,6 @@
 <template>
   <div class="video-player">
-    <canvas id="area-canvas" ></canvas>
+    <canvas v-show="showArea" id="area-canvas" ref="areaCanvas" :width="canvasWidth" :height="canvasHeight"></canvas>
     <video ref="videoPlayer" :poster="poster" preload="auto" muted></video>
     <div class="controls">
       <!-- 鍏ㄥ睆 -->
@@ -13,6 +13,7 @@
 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: {
@@ -40,9 +41,15 @@
     isGb: {
       type: Boolean,
       default: false
+    },
+    showArea: {
+      type: Boolean,
+      default: true
     }
   },
+ 
   computed: {
+
     poster() {
       return "/images/player/player_poster.gif?t=" + Math.random()
     }
@@ -52,23 +59,40 @@
       wfs: {},
       wfsId: 0,
       Camera: new VideoRuleData(),
+      showCanvas: true,
       canvasData: {
         line: [],
         rect: [], // {id:'uuid', name: '鐭╁舰1', location: [{ x: 20, y: 30 }, { x: 20, y: 60 }, { x: 100, y: 60 }, { x: 100, y: 30 }] }
         arrow: [],
         polygon: []
       },
-      showProportion: 1.71,
+      //showProportion: 3.2,
+      //showProportionY: 3.58,
+      showProportion: 1.036,
+      showProportionY: 1.039,
       canvas: null,
-      ctx: null
+      ctx: null,
+      canvasWidth: 0,
+      canvasHeight: 0,
     };
   },
   watch: {
-    "TreeDataPool.selectedNode": function(node){
-      debugger;
-      this.initCanvas(node);
-      
-    },
+    // "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) {
@@ -155,11 +179,11 @@
         _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.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)) {
           // 濡傛灉浼犲叆浜嗕簨浠跺潗鏍囷紝灏辩敤isPointInStroke鍒ゆ柇涓�涓�
@@ -191,11 +215,11 @@
         _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.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)) {
           // 濡傛灉浼犲叆浜嗕簨浠跺潗鏍囷紝灏辩敤isPointInStroke鍒ゆ柇涓�涓�
@@ -279,17 +303,17 @@
         }
         _this.ctx.strokeStyle = "yellow";
         _this.ctx.beginPath();
-        _this.ctx.moveTo(v.location[0].x / _this.showProportion, v.location[0].y / _this.showProportion);
+        _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.showProportion);
+          _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.showProportion,
-          v.name
-        );
+        // _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)) {
           // 濡傛灉浼犲叆浜嗕簨浠跺潗鏍囷紝灏辩敤isPointInStroke鍒ゆ柇涓�涓�
@@ -301,15 +325,15 @@
           // 灏嗗綋鍓嶅厓绱犳爣绾�
           _this.ctx.strokeStyle = "red";
           _this.ctx.beginPath();
-          _this.ctx.moveTo(v.location[0].x / _this.showProportion, v.location[0].y / _this.showProportion);
+          _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.showProportion);
+            _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.showProportion,
+            v.location[v.location.length - 1].y / _this.showProportionY,
             v.name
           );
           _this.canvas.style.cursor = "pointer";
@@ -325,32 +349,52 @@
       this.ctx.textAlign = "left"; // 璁剧疆瀛椾綋瀵归綈鐨勬柟寮�
       this.ctx.fillText(remarks, x, y - 10); // 濉厖鏂囧瓧
     },
-    
-    async initCanvas(id){
-      
-      this.canvas = document.querySelector("#area-canvas");
-      this.ctx = this.canvas.getContext("2d");
-
-      // this.Camera.getPolygon();
-      // console.log(this.Camera.canvasData);
-      const rsp = await getAllPolygon({ cameraId: id });
-      debugger
-      if (rsp && rsp.success) {
-        this.canvasData = {
-          line: rsp.data.line,
-          arrow: rsp.data.arrow,
-          polygon: rsp.data.polygon,
-          //rect: rsp.data.rect
-          rect: [{id:'uuid', name: '鐭╁舰1', location: [{ x: 20, y: 30 }, { x: 20, y: 60 }, { x: 100, y: 60 }, { x: 100, y: 30 }] }]
-        };
-      }
-      debugger
+    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;
+    },
+    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.canvasData = {
+      //     line: [],
+      //     arrow: [],
+      //     polygon: [{id:'uuid', name: '澶氳竟褰�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);
     }
   },
   mounted() {
     this.clickStart();
+    //鑾峰彇video瀹介珮骞剁粰鍖哄煙canvas璧嬪��
+    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();
@@ -361,13 +405,15 @@
 
 <style lang="scss">
 #area-canvas{
-  width: 100%;
-  height: 100%;
   background: transparent;
   position: absolute;
   top: 0;
   left: 0;
+  padding: 0;
+  width: 100%;
+  height: 100%;
 }
+
 video {
   object-fit: fill;
   width: 100%;

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