Vue Signature Pad

Vue component wrap for signature pad

Demo

Installation

yarn add vue-signature-pad

Usage

import Vue from 'vue';
import VueSignaturePad from 'vue-signature-pad';

Vue.use(VueSignaturePad);

<template>
  <div id="app">
    <VueSignaturePad
      width="500px"
      height="500px"
      ref="signaturePad"
    />
    <div>
      <button @click="save">Save</button>
      <button @click="undo">Undo</button>
    </div>
  </div>
</template>
<script>
  export default {
    name: 'MySignaturePad',
    methods: {
      undo() {
        this.$refs.signaturePad.undoSignature();
      },
      save() {
        const { isEmpty, data } = this.$refs.signaturePad.saveSignature();
        console.log(isEmpty);
        console.log(data);
      }
    }
  }
</script>

vue-signature-pad use szimek/signature_pad default setting as options, feel free custom you wanted options. In v1.1 add onBegin and onEnd event callback:

<template>
  <div id="app">
    <VueSignaturePad
      width="500px"
      height="500px"
      ref="signaturePad"
      :options="{ onBegin, onEnd }"
    />
  </div>
</template>
<script>
export default {
  methods: {
    onBegin() {
      console.log('=== Begin ===');
    },
    onEnd() {
      console.log('=== End ===');
    }
  }
}
</script>

Props

Name	Type	Default	Description	Example
width	String	`100%`	Set the `div` width.	-
height	String	`100%`	Set the `div` height.	-
saveType	String	`image/png`	Image type, support `image/png`, `image/jpeg`, `image/svg+xml`.	-
options	Object	Reference	Set the signature pad options.	Reference
images	Array	`[]`	Merge signature with the provide images.	`['A.png', 'B.png', 'C.png']` or `[{ src: 'A.png', x: 0, y: 0 }, { src: 'B.png', x: 0, y: 10 }, { src: 'C.png', x: 0, y: 20 }]`
customStyle	Object	`{}`	Custom `div` style.	`{ border: black 3px solid }`

Methods

Name	Argument Type	Description
`saveSignature()`	-	Will return target canvas status and data.
`undoSignature()`	-	Undo
`clearSignature()`	-	Clear
`mergeImageAndSignature(signature)`	`Object` or `String`	Provide `images` as props and will merge with signature.
`addImages(images)`	`Array`	Provide the images merge with signature. Reference above `images` property.
`lockSignaturePad()`	-	Lock target signature pad.
`openSignaturePad()`	-	Open target signature pad.
`getPropImagesAndCacheImages()`	-	Get all the images information.
`clearCacheImages()`	-	Clear cache images.
`fromDataURL(data)`	`String`	Draw image from data URL.
`isEmpty()`	-	Return signature canvas have data.

Credits

szimek/signature_pad - HTML5 canvas based smooth signature drawing

LICENSE

MIT © Peng Jie

License

andrewhl/vue-signature-pad

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