123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221 |
- <template>
- <view class="autograph-wrap">
- <!-- <view class="handRight">
- <view class="handTitle">手写板</view>
- </view>
- <view class="handBtn">
- <view class="slide-wrapper">
- <text>选择粗细</text>
- <slider @change="updateValue" value="50" show-value class="slider" step="25" />
- </view>
- <view class="color">
- <text>选择颜色</text>
- <image @click="selectColorEvent('black')" :src="selectColor === 'black' ? require('./img/color_black_selected.png') : require('./img/color_black.png')" :class="selectColor === 'black' ? 'color_select' : ''" class="black-select"></image>
- <image @click="selectColorEvent('red')" :src="selectColor === 'red' ? require('./img/color_red_selected.png') : require('./img/color_red.png') " :class="selectColor === 'red' ? 'color_select' : ''" class="red-select" ></image>
- </view>
- </view> -->
- <view class="handCenter">
- <canvas class="handWriting" disable-scroll="true" @touchstart="uploadScaleStart" @touchmove="uploadScaleMove" @touchend="uploadScaleEnd" :id="canvasId" :canvas-id="canvasId"></canvas>
- </view>
- <!-- <view class="showimg">
- <image v-if="showimg" :src="showimg" mode=""></image>
- <text v-else >图片展示</text>
- </view> -->
- <view class="buttons">
- <!-- <button @click="retDraw" class="delBtn">重写</button> -->
- <u-button size="mini" @click="retDraw" class="delBtn">重写</u-button>
- <!-- <button @click="subCanvas" class="subBtn">保存</button> -->
- </view>
- </view>
- </template>
- <script>
- import Handwriting from './js/signature.js'
- import { saveImgToAliOss } from '@/libs/tools.js'
- export default {
- props: {
- // 签字画布id
- canvasId: {
- type: String,
- default: ''
- },
- },
- data(){
- return{
- lineColor:'black',
- slideValue:50,
- handwriting:'',
- selectColor:'black',
- color:'',
- showimg:'',
- share_popup:false,
- isEmpty: true
- }
- },
- mounted() {
- this.handwriting = new Handwriting({
- lineColor: this.lineColor,
- slideValue: this.slideValue, // 0, 25, 50, 75, 100
- canvasName: this.canvasId,
- })
- },
- methods:{
- // 选择画笔颜色
- selectColorEvent(event) {
- this.selectColor = event
- if(event=='black'){
- this.color= '#1A1A1A'
- }else if(event=='red'){
- this.color= '#ca262a'
- }
- this.handwriting.selectColorEvent(this.color)
- },
- // 重写
- retDraw() {
- this.handwriting.retDraw()
- this.isEmpty = true
- },
- // 笔迹粗细滑块
- updateValue(e) {
- this.slideValue = e.detail.value
- this.handwriting.selectSlideValue(this.slideValue)
- },
- // 绑定到canvas的touchstart事件
- uploadScaleStart(event){
- this.handwriting.uploadScaleStart(event)
- },
- // 绑定到canvas的touchmove事件
- uploadScaleMove(event){
- this.handwriting.uploadScaleMove(event)
- },
- // 绑定到canvas的uploadScaleEnd事件
- uploadScaleEnd(event){
- this.handwriting.uploadScaleEnd(event)
- this.isEmpty = false
- },
- // 保存 生成图片
- subCanvas(){
- const _this = this
- this.handwriting.saveCanvas().then(res=>{
- this.showimg = res
- console.log(res)
- saveImgToAliOss(res, function(ret) {
- console.log(ret,'-----阿里云')
- _this.$emit('generatePictures', ret)
- })
- }).catch(err=>{
- console.log(err)
- })
- },
- }
- }
- </script>
- <style lang="scss" scoped>
- .autograph-wrap {
- width: 100%;
- height: 100%;
- overflow: hidden;
- display: flex;
- align-content: center;
- flex-direction: column;
- justify-content: center;
- font-size: 28upx;
- .handRight {
- align-items: center;
- .handTitle {
- flex: 1;
- color: #666;
- justify-content: center;
- font-size: 30upx;
- }
- }
- .handBtn {
- flex-direction: column;
- padding: 40upx 20upx;
- .slide-wrapper {
- align-items: center;
- margin-bottom: 20upx;
- .slider{
- width: 400upx;
- padding-left: 20upx;
- }
- }
- .color{
- align-items: center;
- text{
- margin-right: 20upx;
- }
- .black-select, .red-select {
- width: 60upx;
- height: 60upx;
- vertical-align: super;
- }
- .black-select.color_select, .red-select.color_select {
- width: 90upx;
- height: 90upx;
- vertical-align: sub;
- }
- }
- }
- .handCenter {
- border: 4upx dashed #e9e9e9;
- flex: 5;
- overflow: hidden;
- box-sizing: border-box;
- width: 90%;
- margin: 0 auto;
- .handWriting {
- background: #fff;
- width: 100%;
- height: 300upx;
- }
- }
- .showimg{
- border: 4upx solid #e9e9e9;
- overflow: hidden;
- width: 90%;
- margin: 0 auto;
- background: #eee;
- height: 350upx;
- margin-top: 40upx;
- align-items: center;
- justify-content: center;
- image{
- width: 100%;
- height: 100%;
- }
- text{
- font-size: 40upx;
- color: #888;
- }
- }
- .buttons{
- margin: 20upx 5%;
- text-align: right;
- .delBtn {
- color: #666;
- }
- .subBtn {
- background: #008ef6;
- color: #fff;
- text-align: center;
- justify-content: center;
- }
- }
- }
- .drop {
- width: 50upx;
- height: 50upx;
- border-radius: 50%;
- background: #FFF;
- position: absolute;
- left: 0upx;
- top: -10upx;
- box-shadow: 0px 1px 5px #888888;
- }
- .slide {
- width: 250upx;
- height: 30upx;
- }
- </style>
|