<template>
  <div id="app" class="esign">
    <div class="esign-box">
      <vue-esign ref="esign" :width="600" :height="300" :is-crop="isCrop" :line-width="lineWidth" :line-color="lineColor" :bg-color.sync="bgColor" class="esignature" />
    </div>
    <div class="esigh-btns">
      <button @click="handleReset">清空画板</button>
      <button @click="handleGenerate">生成图片</button>
    </div>
  </div>
</template>

<script>

export default {
  name: 'WriteSign',
  data() {
    return {
      lineWidth: 6,
      lineColor: '#000000',
      bgColor: '',
      isCrop: false
    }
  },
  created() {
    this.$refs.esign.reset()
  },
  methods: {
    handleReset() {
      this.$refs.esign.reset()
    },
    handleGenerate() {
      this.$refs.esign.generate().then(res => {
        this.$emit('subCanvas', res)
      }).catch(err => {
        alert(err)
      })
    }
  }
}
</script>

<style scoped>
.esign {
  max-width: 1000px;
  margin: auto;
  padding: 10px;
}
.esigh-btns button{
  color: #fff;
  height: 40px;
  width: 100px;
  font-size: 16px;
  margin-right: 10px;
  outline: none;
  border-radius: 4px;
  background: #F60;
  border: 1px solid transparent;
}
.esigh-btns button:active{
  color:#fff;
  box-shadow: 0px 0px 50px orangered inset;
}
.esigh-result {
  margin-top: 10px;
}
.esigh-result img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid #ececee;
}
.esignature {
  margin: 10px 0;
  border: 2px solid #ccc;
}
</style>
