我们基于 canvas 实现了一款简单的涂鸦面板,用于在网页上进行绘图和创作。其支持以下快捷键: 我们可以通过new Board创建一个空白画板,其接收一个容器作为参数,下面是个基本例子: shell <template><div class="drawing-board"><div id="container" ref="container" style="width: 100%; height: 100%"></div><...
drawingCanvas: any = ref<HTMLCanvasElement | null>(null); 74 const backgroundCanvas: any = ref(null); 75 const ctx: any = ref<CanvasRenderingContext2D | null>(null); 76 const bgCtx: any = ref<CanvasRenderingContext2D | null>(null); 77 const popoverRef = ref() 78 const drawing =...
我们基于 canvas 实现了一款简单的涂鸦面板,用于在网页上进行绘图和创作。其支持以下快捷键: 我们可以通过new Board创建一个空白画板,其接收一个容器作为参数,下面是个基本例子: <template> <div class="drawing-board"> <div id="container" ref="container" style="width: 100%; height: 100%"></div> </...
const canvas = document.getElementById('canvas'); const ctx = canvas.getContext('2d'); let isDrawing = false; let lastX = 0; let lastY = 0; canvas.addEventListener('mousedown', (e) => { isDrawing = true; lastX = e.offsetX; lastY = e.offsetY; }); canvas.addEventListener('mous...
vue-drawing-canvas VueJS Component for drawing on canvas. Support for both Vue 3 and Vue 2 +Composition API Demo Vue 3 Vue 2 Deployed on a nuxt container which have access to terminal Note: If you're using nuxt.js and receive errorObject(...) is not a functionplease refer to thisiss...
假设我们需要在 Vue 项目中实现一个简单的绘图应用,用户可以通过鼠标在 canvas 上绘制自由线条。下面是实现该功能的完整代码。 <template> <div> <canvas ref="myCanvas" width="500" height="500" @mousedown="startDrawing" @mouseup="stopDrawing" @mousemove="draw"></canvas> ...
vue+canvas实现手写签字画板 vue+canvas实现手写签字画板 效果 预览 体验地址 用途 涂鸦画板 签名板 实现 使用canvas,通过监听鼠标动作来进行绘图。 关键代码如下: drawing(event){if(!this.penClick) return;//鼠标按下状态const canvas = document.getElementById('canvas'); //获取canvas标签const ctx = canvas...
位于./script/components/的drawing-board.vue文件即为绘图画布组件。首先我们定义一个Draw类,里面是所有绘图相关的功能。 /*** drawing-board.vue ***/ 'use strict' class Draw { constructor(el) { this.el = el this.canvas = document.getElementById(this.el) ...
vue移动端 canvas实现简单的画板 支持H5,PC Install npmivue-drawing-board-ch// oryarnaddvue-drawing-board-ch Quick Start importVuefrom'vue'importDrawingBoardfrom'vue-drawing-board-ch'Vue.use(DrawingBoard)// or 组件内使用importDrawingBoardfrom'vue-drawing-board-ch'exportdefault{components:{DrawingBoard...
Vue & Canvas - JavaScript library for drawing complex canvas graphics using Vue. - konvajs/vue-konva