Appearance
在 Vue3(vite)下,有两种使用场景,一种是进入页面直接绘制,另一种是点击后生成图像。
场景一(进入页面就开始绘画)
vue
<script setup lang="ts">
import { onReady } from '@dcloudio/uni-app'
import { useDraw } from 'u-draw'
const dp = useDraw('canvas', {
debug: true,
})
dp.draw(async (ctx) => {
ctx.fillStyle = 'red'
ctx.fillRect(0, 0, 100, 100)
})
dp.render()
</script>
<template>
<canvas id="canvas" type="2d" />
</template>
场景二(点击进行绘画)
vue
<script setup lang="ts">
import { onReady } from '@dcloudio/uni-app'
import { useDraw } from 'u-draw'
const dp = useDraw('canvas', {
debug: true,
})
const dPoster = ref()
async function onDrawPoster() {
dp.draw(async (ctx) => {
ctx.fillStyle = 'red'
ctx.fillRect(0, 0, 100, 100)
})
await dp.render()
}
</script>
<template>
<div @click="onDrawPoster">
<canvas id="canvas" type="2d" />
</div>
</template>