linq-signature

A electronic signature component by Vue.js

Reference and Thanks

signature_pad

API

---

Props

w,h need units,like 100px or 100%

name	type	default	description
sigOption	Obeject	{penColor:"rgb(0, 0, 0)"}	penColor
w	String	"100%"	parent container width
h	String	"100%"	parent container height
clearOnResize	Boolean	false	Canvas is cleared on window resize

Methods

name	params	description
save	()/("image/jpeg")/("image/svg+xml")	save image as PNG/JPEG/SVG
clear		clear canvas
isEmpty		Returns true if canvas is empty, otherwise returns false
undo		remove the last dot or line

Usage

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npm install vue-signature 

main.js

import vueSignature from "vue-signature"
Vue.use(vueSignature)

A.vue

<template>
	<div id="app">
		<vueSignature ref="signature" :sigOption="option" :w="'800px'" :h="'400px'"></vueSignature> 
		<vueSignature ref="signature1" :sigOption="option"></vueSignature> 
		<button @click="save">Save</button>
		<button @click="clear">Clear</button>
		<button @click="undo">Undo</button>
	</div>
</template>

<script>
export default {
	name: "app",
	data() {
		return {
			option:{
				penColor:"rgb(0, 0, 0)"
			}
		};
	},
	methods:{
		save(){
			var _this = this;
			var png = _this.$refs.signature.save()
			var jpeg = _this.$refs.signature.save('image/jpeg')
			var svg = _this.$refs.signature.save('image/svg+xml');
			console.log(png);
			console.log(jpeg)
			console.log(svg)
		},
		clear(){
			var _this = this;
			_this.$refs.signature.clear();
		},
		undo(){
			var _this = this;
			_this.$refs.signature.undo();
		}
	}
};
</script>

License

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Released under the MIT License.