From bde62ab8f0de2c0bd6dbf0c4c15f043dbe2ad8de Mon Sep 17 00:00:00 2001 From: hanbaoshan <hanbaoshan@aiotlink.com> Date: 星期三, 09 九月 2020 19:07:10 +0800 Subject: [PATCH] 样式调整,区域比例修改 --- src/components/player/index.vue | 168 +++++++++++++++++++------------------------------------ 1 files changed, 58 insertions(+), 110 deletions(-) diff --git a/src/components/player/index.vue b/src/components/player/index.vue index 7c72d4e..7cffb92 100644 --- a/src/components/player/index.vue +++ b/src/components/player/index.vue @@ -1,6 +1,6 @@ <template> <div class="video-player"> - <canvas v-show="showArea" id="area-canvas" ref="areaCanvas" width="960" height="540"></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"> <!-- 鍏ㄥ睆 --> @@ -68,10 +68,10 @@ }, //showProportion: 3.2, //showProportionY: 3.58, - showProportion: 1.036, - showProportionY: 1.039, - // showProportion: 1.666, - // showProportionY: 1.666, + // showProportion: 1.036, + // showProportionY: 1.039, + showProportion: 1, + showProportionY: 1, canvas: null, ctx: null, canvasWidth: 0, @@ -187,26 +187,6 @@ // 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� - // 濡傛灉褰撳墠鐜瑕嗙洊浜嗚鍧愭爣锛屽氨灏嗗浘褰㈢殑index鏀惧埌鏁扮粍閲� - // 褰撻紶鏍囩Щ鍏ヤ箣鍚庡皢褰撳墠鐨勬ā寮忓垏鎹负閫変腑妯″紡 - _this.type = "0"; - _this.delCursor.type = "1"; - _this.delCursor.index = i; - // 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.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"; @@ -223,35 +203,10 @@ // 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� - // 褰撻紶鏍囩Щ鍏ヤ箣鍚庡皢褰撳墠鐨勬ā寮忓垏鎹负閫変腑妯″紡 - _this.type = "0"; - _this.delCursor.type = "2"; - _this.delCursor.index = i; - // 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.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, @@ -261,43 +216,15 @@ 20, 30, "yellow" - ); // 缁樺埗鏂规硶 - _this.showRemarks( - v.location[0].x / _this.showProportion, - v.location[0].y / _this.showProportion, - v.name - ); + ); + // 缁樺埗鏂规硶 + // _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� - // 濡傛灉褰撳墠鐜瑕嗙洊浜嗚鍧愭爣锛屽氨灏嗗浘褰㈢殑index鏀惧埌鏁扮粍閲� - // 褰撻紶鏍囩Щ鍏ヤ箣鍚庡皢褰撳墠鐨勬ā寮忓垏鎹负閫変腑妯″紡 - _this.type = "0"; - _this.delCursor.type = "4"; - _this.delCursor.index = i; - // 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.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" - ); // 缁樺埗鏂规硶 - _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) { @@ -317,31 +244,52 @@ // 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� - // 濡傛灉褰撳墠鐜瑕嗙洊浜嗚鍧愭爣锛屽氨灏嗗浘褰㈢殑index鏀惧埌鏁扮粍閲� - // 褰撻紶鏍囩Щ鍏ヤ箣鍚庡皢褰撳墠鐨勬ā寮忓垏鎹负閫変腑妯″紡 - _this.type = "0"; - _this.delCursor.type = "5"; - _this.delCursor.index = i; - // 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.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"; - } + }); }, + + // 绠ご缁樺埗鍑芥暟 + drawArrow(ctx, fromX, fromY, toX, toY, theta=30, headlen=10, width=1, color="yellow") { + // ctx锛欳anvas缁樺浘鐜 + // fromX, fromY锛氳捣鐐瑰潗鏍囷紙涔熷彲浠ユ崲鎴恜1锛屽彧涓嶈繃瀹冩槸涓�涓暟缁勶級 + // toX, toY锛氱粓鐐瑰潗鏍� (涔熷彲浠ユ崲鎴恜2锛屽彧涓嶈繃瀹冩槸涓�涓暟缁�) + // theta锛氫笁瑙掓枩杈逛竴鐩寸嚎澶硅 + // headlen锛氫笁瑙掓枩杈归暱搴� + // width锛氱澶寸嚎瀹藉害 + // color锛氱澶撮鑹� + // theta = typeof theta !== "undefined" ? theta : 30; + // headlen = typeof theta !== "undefined" ? headlen : 10; + // width = typeof width !== "undefined" ? width : 1; + // color = typeof color !== "undefined" ? color : "yellow"; + // 璁$畻鍚勮搴﹀拰瀵瑰簲鐨凱2,P3鍧愭爣 + 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(); + }, + // 鍥炴樉鍥惧舰澶囨敞 showRemarks(x, y, remarks) { this.ctx.moveTo(x, y - 10); // 鍥犱负鏀惧ぇ涔嬪悗鏄痽-20锛屾墍浠ョ缉灏忕増鐨勪负y-10 -- Gitblit v1.8.0