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mp-painter

v1.0.1

Published

A declarative canvas lib using with mini-program, espacially with uniapp.

Downloads

71

Readme

mp-painter

npm size build & deploy demo

  • 声明式地创建适用于 Uniapp, 原生微信小程序, 原生H5 的 canvas 海报
  • 目前对H5、微信、支付宝、百度端做了兼容处理,其它端未测试
  • 支持 text / rect / line / text-block / image 等对象绘制
  • 支持基于文字宽度的多行文本换行,lineClamp 控制
  • 基于 typescript 的友好代码提示
  • 支持水平、垂直排列布局和绝对定位
  • 会自动将支付宝的绘制尺寸放大两倍,解决其绘制模糊的问题
  • 支持原生微信小程序使用,见 wiki

代码提示:
代码提示演示

安装

npm install mp-painter --save

# 安装 beta 版
npm install mp-painter@next --save

Hello World

<template>
    <canvas canvas-id="canvas"></canvas>
</template>
import Painter from "mp-painter";

// onReady 中
let painter = new Painter(uni.createCanvasContext("canvas"));
await painter.draw({
    type: "text",
    color: "#f33",
    fontSize: 60, // = 60rpx
    content: "Hello World" //绘制的文本
});

示例&文档

  • 文档请查看 wiki

  • 示例请查看 在线 DEMODEMO 源码
    也可通过手机扫描下方二维码进入 DEMO
    DEMO站点二维码

  • 交互式体验:将下面的代码复制到 Playground , 运行并查看效果

{
    "type": "text",
    "color": "#f33",
    "fontSize": 60,
    "content": "Hello World"
}
  • 推荐通过查看在线 DEMO 站点与对应 DEMO 源码的方式理解和学习本插件