<canvasclass="share-content bgff br20 df fdc"v-if="isShowShare"canvas-id="firstCanvas" id="firstCanvas"style="visibility: hidden;"></canvas> </view> ② 当然就是绘制的逻辑了,当中canvas使用的方法在uniapp官网中,API下面的绘画中,https://uniapp.dcloud.net.cn/api/canvas/CanvasContext.html#...
<view class="share-page-box" id="box" v-if="show":style="{width: canvasWidth + 'px', height: canvasHeight + 'px' }"> <wxml-to-canvas class="widget" :width="canvasWidth" :height="canvasHeight"></wxml-to-canvas> </view> <view class="share-page-btn" @tap="extraImage"> <bu...
<viewclass="share-page-box"id="box"v-if="show":style="{width: canvasWidth + 'px', height: canvasHeight + 'px' }"> <wxml-to-canvasclass="widget":width="canvasWidth":height="canvasHeight"></wxml-to-canvas> </view> <viewclass="share-page-box msg-box"v-else:style="{width: can...
<canvas class="my-canvas" :style="{width:screen_width*375+'px',height:screen_height*0.65+'px'}" canvas-id="myCanvas" @longpress.stop="download()"></canvas> <view class="share_icon"> <view class="icons df al jcsb"> <button open-type="share" class="df al jc" @click="shareToF...
<template><viewv-if="visibleSync"class="cat-signature":class="{'visible':show}"><viewclass="mask"@tap="close"/><viewclass="content"><canvasclass='firstCanvas':canvas-id="canvasId"@touchmove='move'@touchstart='start($event)'@touchend='end'@touchcancel='cancel'@longtap='tap'disable-...
Canvas.cancelAnimationFrame#参数: 小程序/开发/API/画布/Canvas/Canvas.cancelAnimationFrame Canvas.cancelAnimationFrame#功能描述: 小程序/开发/API/画布/Canvas/Canvas.cancelAnimationFrame Canvas.getContext: 小程序/开发/API/画布/Canvas/Canvas.getContext 云模板中心: 小程序/开发/云托管/云模板中心 ...
{uni.canvasGetImageData({canvasId:'logo',x:0,y:0,width:100,height:100,success:(res)=>{letdata=res.data;letarr=[]varr=1,g=1,b=1;// 取所有像素的平均值for(varrow=0;row<imgHeight;row++){for(varcol=0;col<imgWidth;col++){// console.log(data[((img.width * row) + col) *...
小程序里面canvas.drawImage中的image必须是本地图片,所以需要先下载到uni.downloadFile,在获取图片信息uni.getImageInfo,最后进行绘制ctx.drawImage 参考uni-app api:https://uniapp.dcloud.io/api/canvas/createCanvasContext 页面: image.png 注意: 如果有更好的方法请告知,互相学习 ...
项目背景:作为企业聊天工具,它具备注册、购买等功能,聊天页面和历史记录通过webView嵌入,以支持图形文件下载、canvas生成以及避免小程序体积过大影响体验。同时,uniapp的灵活性使得h5开发可复用。关键点如下:app-vue模式下的web-view组件不支持自定义样式,且默认充满屏幕,标题头自定义有限。 为实现...