From d6cc07d3e9c19a4f97f770581bc85ee3550a22ba Mon Sep 17 00:00:00 2001 From: 闫增涛 <1829501689@qq.com> Date: 星期五, 25 十月 2024 16:48:24 +0800 Subject: [PATCH] 数学 --- src/components/paint/index.vue | 78 ++++++++++++++++++++++++--------------- 1 files changed, 48 insertions(+), 30 deletions(-) diff --git a/src/components/paint/index.vue b/src/components/paint/index.vue index 11f9075..eadb1e3 100644 --- a/src/components/paint/index.vue +++ b/src/components/paint/index.vue @@ -1,9 +1,9 @@ <template> <div class="paint"> - <canvas width="600" height="800" id="canvas"></canvas> + <canvas id="canvas" width="400" :height="canvasHeight"></canvas> <!-- 鎿嶄綔鎸夐挳 --> <ul class="paint-btn"> - <li class="btn-box"> + <li class="paint-btn-box"> <button @click="changeDrawMode"> {{ isDraw ? "妗嗛�夋ā寮�" : "缁樺浘妯″紡" }} </button> @@ -13,9 +13,7 @@ </button> <button @click="saveImgData">淇濆瓨</button> </li> - <li> - - </li> + <li></li> <li> <label>鐢荤瑪锛�</label> <select name="" id="" @change="changeBrush" v-model="brush"> @@ -122,6 +120,10 @@ type: Number, default: 1, }, + canvasHeight: { + type: Number, + default: 380, + }, }, mounted() { this.init(); @@ -129,14 +131,17 @@ methods: { // 鍒濆鍖栫敾甯� init() { - this.canvas = new fabric.Canvas("canvas", { - isDrawingMode: true, - }); + this.canvas = new fabric.Canvas( + (this.container ? this.container : document).querySelector("#canvas"), + { + isDrawingMode: true, + } + ); // 璁剧疆鑳屾櫙 - this.setBackgroundImage() + this.setBackgroundImage(); // fabric.Object.prototype.transparentCorners = false; - this.setBrush() + this.setBrush(); }, // 鍒涘缓鍚勭绗斿埛 setBrush() { @@ -144,7 +149,10 @@ // 鐢荤瑪鏍峰紡 this.vLinePatternBrush = new fabric.PatternBrush(this.canvas); this.vLinePatternBrush.getPatternSrc = () => { - let patternCanvas = fabric.document.createElement("canvas"); + let patternCanvas = + fabric[this.container ? this.container : document].createElement( + "canvas" + ); patternCanvas.width = patternCanvas.height = 10; let ctx = patternCanvas.getContext("2d"); ctx.strokeStyle = this.lineColor; @@ -158,7 +166,10 @@ }; this.hLinePatternBrush = new fabric.PatternBrush(this.canvas); this.hLinePatternBrush.getPatternSrc = function () { - let patternCanvas = fabric.document.createElement("canvas"); + let patternCanvas = + fabric[this.container ? this.container : document].createElement( + "canvas" + ); patternCanvas.width = patternCanvas.height = 10; let ctx = patternCanvas.getContext("2d"); ctx.strokeStyle = this.lineColor; @@ -174,7 +185,10 @@ this.squarePatternBrush.getPatternSrc = function () { const squareWidth = 10; const squareDistance = 2; - const patternCanvas = fabric.document.createElement("canvas"); + const patternCanvas = + fabric[this.container ? this.container : document].createElement( + "canvas" + ); patternCanvas.width = patternCanvas.height = squareWidth + squareDistance; const ctx = patternCanvas.getContext("2d"); @@ -186,7 +200,10 @@ this.diamondPatternBrush.getPatternSrc = function () { const squareWidth = 10; const squareDistance = 5; - const patternCanvas = fabric.document.createElement("canvas"); + const patternCanvas = + fabric[this.container ? this.container : document].createElement( + "canvas" + ); const rect = new fabric.Rect({ width: squareWidth, height: squareWidth, @@ -201,9 +218,7 @@ rect.render(ctx); return patternCanvas; }; - const img = new Image(); - // img.src = "../assets/images/drop.jpg"; this.texturePatternBrush = new fabric.PatternBrush(this.canvas); this.texturePatternBrush.source = img; } @@ -237,7 +252,7 @@ this.canvas.renderAll.bind(this.canvas), { // 鍙互璁剧疆鍥惧儚鐨勬牱寮忥紝姣斿涓嶉�忔槑搴� - opacity: 0.5, + // opacity: 0.5, } ); // 娓叉煋鐢诲竷 @@ -256,7 +271,7 @@ // 娓呯┖鐢诲竷 clearCanvas() { this.canvas.clear(); - this.setBackgroundImage() + this.setBackgroundImage(); }, // 淇敼鐢荤瑪棰滆壊 changeLineColor(e) { @@ -265,11 +280,9 @@ if (brush.getPatternSrc) { brush.source = brush.getPatternSrc.call(brush); } - console.log(e.srcElement.value); }, // 淇敼鐢荤瑪绮楃粏 changeLineWidth(e) { - console.log(e); this.canvas.freeDrawingBrush.width = parseInt(e.srcElement.value, 10) || 1; }, @@ -322,7 +335,6 @@ changeShowColor(e) { this.canvas.contextContainer.shadowColor = e.srcElement.value; }, - // 闃村奖瀹藉害 changeShowWidth(e) { console.log(this.canvas); @@ -336,7 +348,7 @@ this.canvas.contextContainer.shadowOffsetY = parseInt(e.srcElement.value, 10) || 0; }, - // 淇濆瓨鍥句功 + // 淇濆瓨鍥剧墖 saveImgData() { const imgData = this.canvas.toDataURL({ format: "png", // 鎸囧畾杈撳嚭鏍煎紡锛岄�氬父鏄�'png'鎴�'jpeg' @@ -358,20 +370,26 @@ </script> <style lang="less" scoped> +.paint { + margin-top: 20px; + display: flex; + flex-direction: column; + align-items: center; +} #canvas { border: 1px solid #ccc; } .paint-btn { - margin-top:40px; - padding:20px; - border:1px solid #ededed; - width:max-content; + width: 96%; + margin-top: 40px; + padding: 20px; + border: 1px solid #ededed; li { - margin-bottom:6px; + margin-bottom: 6px; } } -.btn-box { - display:flex; - justify-content:space-between; +.paint-btn-box { + display: flex; + justify-content: space-evenly; } </style> -- Gitblit v1.9.1