首先,在你的Vue项目中创建一个新的组件,用于承载线条的绘制。例如,你可以创建一个名为LineDrawer.vue的组件。 使用HTML5的Canvas元素: 在该组件的模板部分,添加一个<canvas>元素作为绘图区域。 编写Canvas绘图逻辑: 在Vue组件的mounted钩子中,使用Canvas的API来绘制一条线。mounted钩子是Vue生命周期的一部分,...
由于canvas渲染第一个扇形是水平位置开始,所以背景切图可能会与奖品位置错位。通过bgDeg调整背景图角度即可。 Show Me Code 背景图与canvas渲染出转盘的默认角度有错位: 调整背景图角度: <template> <wheel-drawer ref="wheelRef" :prize-list="prizeList" :bg-img="require('./assets/img/zp2.png')" :bg...
width= 1024,//image resize 压缩后的宽quality = 0.8,//image quality 压缩质量canvas = document.createElement("canvas"), drawer= canvas.getContext("2d"); img.onload=function() { canvas.width=width; canvas.height= width * (img.height /img.width); drawer.drawImage(img,0, 0, canvas.width, ...
wjWangJing/uniapp-canvas-drawerPublic forked fromquanweiwang/uniapp-canvas-drawer Notifications Fork12 Star0 Code Pull requests Actions Projects Wiki Security Insights More master BranchesTags uniapp-canvas-drawer/App.vue Go to file Copy path
Vue.use(Drawer) Vue.use(Input) Vue.use(Card) Vue.use(MenuItem) Vue.use(Menu) Vue.use(Submenu) Vue.use(MenuItemGroup) Vue.use(Avatar) Vue.use(Link) Vue.use(Loading) Vue.use(Pagination) Vue.use(Alert) Vue.use(Select) Vue.prototype.$message = Message ...
});this.dom = uni.createCanvasContext('designature',this); }, onShow() {}, methods: { end(e) {}, distance(a, b) { let x= b.x -a.x; let y= b.y -a.y;returnMath.sqrt(x * x + y *y); },//开始starts(e) {this.line.push({ ...
本代码片段使用插件《qs-canvas》,支持 Node、web、uni-app 的canvas绘图工具。 效果图 安装npm包 npm install qs-canvas -S 代码片段 // index.vue <template> <view> <canvas :id="poster.canvasId" :canvas-id="poster.canvasId" :style="{ ...
vuetify-resize-drawer - The vuetify-resize-drawer component extends the functionality of the v-navigation-drawer so that it is resizable by the user. Icons vue-material-design-icons - A collection of SVG Material Design icons as single file components. vue-fontawesome - Font Awesome 5 Vue comp...
{drawerStyle} object 用来设置抽屉弹出层样式* @param {width} number|string 弹出层宽度* @param {zIndex} number 弹出层层级* @param {placement} string 抽屉方向* @param {onClose} string 点击关闭时的回调*/functionDrawer(props){const{closable=true,destroyOnClose,getContainer=document.body,maskClosable...
canvas.height= width * (img.height /img.width); drawer.drawImage(img,0, 0, canvas.width, canvas.height);//把图片转换成base64(这里的base64是上传到后端的格式)base64 = canvas.toDataURL("image/png", quality);//上传到后端的逻辑代码//...} } }...