1229 lines
37 KiB
Vue
1229 lines
37 KiB
Vue
<template>
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<view class="u-cropper">
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<!-- <image :src="imgSrc.imgSrc" @click="select" :style="[ imgStyle ]" class="my-avatar"></image> -->
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<canvas :canvas-id="'avatar-canvas-' + instanceId" :id="'avatar-canvas-' + instanceId" class="my-canvas"
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:style="{top: styleTop, height: cvsStyleHeight}" disable-scroll="false"></canvas>
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<canvas :canvas-id="'oper-canvas-' + instanceId" :id="'oper-canvas-' + instanceId" class="oper-canvas"
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:style="{top: styleTop, height: cvsStyleHeight}"
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disable-scroll="false" @touchstart="start" @touchmove="move" @touchend="end"></canvas>
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<canvas :canvas-id="'prv-canvas-' + instanceId" :id="'prv-canvas-' + instanceId" class="prv-canvas"
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disable-scroll="false" @touchstart="hideImg" :style="{ height: cvsStyleHeight, top: prvTop }"></canvas>
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<view class="oper-wrapper" :style="{display: styleDisplay}">
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<view class="oper">
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<view class="btn-wrapper" v-if="showOper">
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<view @click="select" hover-class="hover" :style="{width: btnWidth}">
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<text>{{ t("up.common.re-select") }}</text>
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</view>
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<view @click="close" hover-class="hover" :style="{width: btnWidth}">
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<text>{{ t("up.common.close") }}</text>
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</view>
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<view @click="rotate" hover-class="hover" :style="{width: btnWidth, display: btnDsp}">
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<text>{{ t("up.common.rotate") }}</text>
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</view>
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<view @click="preview" hover-class="hover" :style="{width: btnWidth}">
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<text>{{ t("up.common.preview") }}</text>
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</view>
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<view @click="confirm" hover-class="hover" :style="{width: btnWidth}">
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<text>{{ t("up.common.confirm") }}</text>
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</view>
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</view>
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<view class="clr-wrapper" v-else>
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<slider class="my-slider" @change="colorChange"
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block-size="25" value="0" min="-100" max="100" activeColor="red"
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backgroundColor="green" block-color="grey" show-value></slider>
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<view @click="prvUpload" hover-class="hover" :style="{width: btnWidth}">
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<text>{{ t("up.common.confirm") }}</text>
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</view>
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</view>
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</view>
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</view>
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<view @click="chooseImage(0, {})" v-if="styleDisplay == 'none'">
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<slot>
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</slot>
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</view>
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</view>
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</template>
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<script>
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import { t } from '../../libs/i18n'
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const tabHeight = 50;
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export default {
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name: "u-cropper",
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data() {
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return {
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// 添加实例ID用于区分不同实例
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instanceId: Date.now() + '-' + Math.random().toString(36).substr(2, 9),
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cvsStyleHeight: '0px',
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styleDisplay: 'none',
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styleTop: '-10000px',
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prvTop: '-10000px',
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imgStyle: {},
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selStyle: {},
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showOper: true,
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imgSrc: {
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imgSrc: ''
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},
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btnWidth: '19%',
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btnDsp: 'flex',
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// 裁剪区域宽度，用于设置选择区域的宽度
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arWidth: '',
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// 裁剪区域高度，用于设置选择区域的高度
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arHeight: '',
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// 导出图片宽度，用于设置最终导出图片的宽度
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expWidth: '',
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// 导出图片高度，用于设置最终导出图片的高度
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expHeight: '',
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// 是否允许调整裁剪框大小
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letChangeSize: false,
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};
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},
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watch: {
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avatarSrc() {
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this.imgSrc.imgSrc = this.avatarSrc;
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}
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},
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emits: ['avtinit', 'confirm'],
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props:{
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minScale: '',
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maxScale: '',
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canScale: true,
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canRotate: true,
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lockWidth: '',
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lockHeight: '',
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stretch: '',
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lock: '',
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noTab: true,
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inner: false,
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quality: '',
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index: '',
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canChangeSize: false,
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areaWidth: '300rpx',
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// 裁剪区域高度，用于设置选择区域的高度
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areaHeight: '300rpx',
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// 导出图片宽度，用于设置最终导出图片的宽度
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exportWidth: '260rpx',
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// 导出图片高度，用于设置最终导出图片的高度
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exportHeight: '260rpx',
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},
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created() {
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this.ctxCanvas = uni.createCanvasContext('avatar-canvas-' + this.instanceId, this);
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this.ctxCanvasOper = uni.createCanvasContext('oper-canvas-' + this.instanceId, this);
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this.ctxCanvasPrv = uni.createCanvasContext('prv-canvas-' + this.instanceId, this);
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this.qlty = parseInt(this.quality) || 0.9;
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this.imgSrc.imgSrc = this.imageSrc;
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this.letRotate = (this.canRotate === false || this.inner === true) ? 0 : 1;
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this.letScale = this.canScale === false ? 0 : 1;
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// 是否允许调整裁剪框大小，false表示不允许，其他值表示允许
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this.letChangeSize = this.canChangeSize;
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this.isin = this.inner === true ? 1 : 0;
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this.indx = this.index || undefined;
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this.mnScale = this.minScale || 0.3;
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this.mxScale = this.maxScale || 4;
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this.noBar = this.noTab === true ? 1 : 0;
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this.stc = this.stretch;
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this.lck = this.lock;
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if(this.isin) {
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this.btnWidth = '24%';
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this.btnDsp = 'none';
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} else {
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this.btnWidth = '19%';
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this.btnDsp = 'flex';
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}
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if(this.noBar) {
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this.moreHeight = 0;
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this.windowResize();
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} else {
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uni.showTabBar({
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complete:(res) => {
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this.moreHeight = (res.errMsg === 'showTabBar:ok') ? 50 : 0;
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this.windowResize();
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}
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});
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}
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},
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methods: {
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t,
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windowResize() {
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let sysInfo = uni.getSystemInfoSync();
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this.platform = sysInfo.platform;
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this.pixelRatio = sysInfo.pixelRatio;
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this.windowWidth = sysInfo.windowWidth;
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// #ifdef H5
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this.drawTop = sysInfo.windowTop;
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this.windowHeight = sysInfo.windowHeight + sysInfo.windowBottom;
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this.cvsStyleHeight = this.windowHeight - tabHeight + 'px';
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// #endif
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// #ifdef APP-PLUS
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if(this.platform === 'android') {
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this.windowHeight = sysInfo.screenHeight + sysInfo.statusBarHeight;
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this.cvsStyleHeight = this.windowHeight - tabHeight + 'px';
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} else {
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this.windowHeight = sysInfo.windowHeight + this.moreHeight;
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this.cvsStyleHeight = this.windowHeight - tabHeight + 6 + 'px';
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}
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// #endif
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// #ifdef MP
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this.windowHeight = sysInfo.windowHeight + this.moreHeight;
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this.cvsStyleHeight = this.windowHeight - tabHeight - 2 + 'px';
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// #endif
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this.pxRatio = this.windowWidth/750;
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let style = this.avatarStyle;
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if(style && style !== true && (style=style.trim()) ) {
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style = style.split(';');
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let obj = {};
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for( let v of style ) {
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if(!v) continue;
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v = v.trim().split(':');
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if(v[1].indexOf('rpx') >= 0) {
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let arr = v[1].trim().split(' ');
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for( let k in arr ) {
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if(!arr[k]) continue;
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if(arr[k].indexOf('rpx') >= 0) {
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arr[k] = parseFloat(arr[k]) * this.pxRatio + 'px';
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}
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}
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v[1] = arr.join(' ');
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}
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obj[v[0].trim()] = v[1].trim();
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}
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this.imgStyle = obj;
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}
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this.expWidth && (this.expWidth = this.expWidth.indexOf('rpx') >= 0 ? parseInt(this.expWidth)*this.pxRatio : parseInt(this.expWidth));
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this.expHeight && (this.expHeight = this.expHeight.indexOf('rpx') >= 0 ? parseInt(this.expHeight)*this.pxRatio : parseInt(this.expHeight));
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if(this.styleDisplay === 'flex') {
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this.drawInit(true);
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}
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this.hideImg();
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},
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select() {
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if(this.fSelecting) return;
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this.fSelecting = true;
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setTimeout(()=>{ this.fSelecting = false; }, 500);
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uni.chooseImage({
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count: 1,
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sizeType: ['original', 'compressed'],
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sourceType: ['album', 'camera'],
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success: (r)=>{
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uni.showLoading({ mask: true });
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let path = this.imgPath = r.tempFilePaths[0];
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uni.getImageInfo({
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src: path,
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success: r => {
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this.imgWidth = r.width;
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this.imgHeight = r.height;
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this.path = path;
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if( !this.hasSel ) {
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let style = this.selStyle || {};
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if( this.arWidth && this.arHeight ) {
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let areaWidth = this.arWidth.indexOf('rpx') >= 0 ? parseInt(this.arWidth) * this.pxRatio: parseInt(this.arWidth),
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areaHeight = this.arHeight.indexOf('rpx') >= 0 ? parseInt(this.arHeight) * this.pxRatio: parseInt(this.arHeight);
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style.width = areaWidth + 'px';
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style.height = areaHeight + 'px';
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style.top = (this.windowHeight - areaHeight - tabHeight)/2 + 'px';
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style.left = (this.windowWidth - areaWidth)/2 + 'px';
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} else {
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uni.showModal({
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title: t("up.cropper.emptyWidhtOrHeight"),
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showCancel: false
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})
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return;
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}
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this.selStyle = style;
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}
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if( this.noBar ) {
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this.drawInit(true);
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} else {
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uni.hideTabBar({
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complete: () => {
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this.drawInit(true);
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}
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});
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}
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},
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fail: ()=>{
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uni.showToast({
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title: "error3",
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duration: 2000,
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})
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},
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complete() {
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uni.hideLoading();
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}
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});
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}
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})
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},
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confirm() {
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if(this.fUploading) return;
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this.fUploading = true;
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setTimeout(()=>{ this.fUploading = false; }, 1000)
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let style = this.selStyle,
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x = parseInt(style.left),
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y = parseInt(style.top),
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width = parseInt(style.width),
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height = parseInt(style.height),
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expWidth = this.expWidth || width,
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expHeight = this.expHeight || height;
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// #ifdef H5
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// x *= this.pixelRatio;
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// y *= this.pixelRatio;
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expWidth = width;
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expHeight = height;
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// #endif
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uni.showLoading({ mask: true });
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this.styleDisplay = 'none';
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this.styleTop = '-10000px';
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this.hasSel = false;
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this.hideImg();
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uni.canvasToTempFilePath({
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x: x,
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y: y,
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width: width,
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height: height,
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destWidth: expWidth,
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destHeight: expHeight,
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canvasId: 'avatar-canvas-' + this.instanceId,
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fileType: 'png',
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quality: this.qlty,
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success: (r)=>{
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r = r.tempFilePath;
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// #ifdef H5
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this.btop(r).then((r)=> {
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if(this.expWidth && this.expHeight) {
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let ctxCanvas = this.ctxCanvas;
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expWidth = this.expWidth,
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expHeight = this.expHeight;
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ctxCanvas.drawImage(r, 0, 0, expWidth, expHeight);
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ctxCanvas.draw(false,()=>{
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uni.canvasToTempFilePath({
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x: 0,
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y: 0,
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width: expWidth,
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height: expHeight,
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||
destWidth: expWidth,
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||
destHeight: expHeight,
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canvasId: 'avatar-canvas-' + this.instanceId,
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fileType: 'png',
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||
quality: this.qlty,
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success: (r)=>{
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r = r.tempFilePath;
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this.btop(r).then((r)=> {
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this.$emit("confirm", {avatar: this.imgSrc, path: r, index: this.indx, data: this.rtn});
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});
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},
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fail: ()=>{
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uni.showToast({
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||
title: "error0",
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duration: 2000,
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||
})
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}
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});
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});
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} else {
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this.$emit("confirm", {avatar: this.imgSrc, path: r, index: this.indx, data: this.rtn});
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}
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})
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// #endif
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// #ifndef H5
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this.$emit("confirm", {avatar: this.imgSrc, path: r, index: this.indx, data: this.rtn});
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// #endif
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||
},
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||
fail: (res)=>{
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uni.showToast({
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title: "error1",
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||
duration: 2000,
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||
})
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||
},
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||
complete: () => {
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uni.hideLoading();
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this.noBar || uni.showTabBar();
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||
}
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||
}, this);
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},
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// 用户点击"预览"模式下的"确认"按钮时被调用，用于将预览的裁剪结果上传
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prvUpload() {
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if(this.fPrvUploading) return;
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this.fPrvUploading = true;
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setTimeout(()=>{ this.fPrvUploading = false; }, 1000)
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let style = this.selStyle,
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destWidth = parseInt(style.width),
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destHeight = parseInt(style.height),
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prvX = this.prvX,
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prvY = this.prvY,
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prvWidth = this.prvWidth,
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prvHeight = this.prvHeight,
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||
expWidth = this.expWidth || prvWidth,
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||
expHeight = this.expHeight || prvHeight;
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||
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// #ifdef H5
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// prvX *= this.pixelRatio;
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// prvY *= this.pixelRatio;
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expWidth = prvWidth;
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expHeight = prvHeight;
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// #endif
|
||
|
||
uni.showLoading({ mask: true });
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||
|
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this.styleDisplay = 'none';
|
||
this.styleTop = '-10000px';
|
||
this.hasSel = false;
|
||
this.hideImg();
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uni.canvasToTempFilePath({
|
||
x: prvX,
|
||
y: prvY,
|
||
width: prvWidth,
|
||
height: prvHeight,
|
||
destWidth: expWidth,
|
||
destHeight: expHeight,
|
||
canvasId: 'prv-canvas-' + this.instanceId,
|
||
fileType: 'png',
|
||
quality: this.qlty,
|
||
success: (r)=>{
|
||
r = r.tempFilePath;
|
||
// #ifdef H5
|
||
this.btop(r).then((r)=> {
|
||
if(this.expWidth && this.expHeight) {
|
||
let ctxCanvas = this.ctxCanvas;
|
||
expWidth = this.expWidth,
|
||
expHeight = this.expHeight;
|
||
|
||
ctxCanvas.drawImage(r, 0, 0, expWidth, expHeight);
|
||
ctxCanvas.draw(false, ()=>{
|
||
uni.canvasToTempFilePath({
|
||
x: 0,
|
||
y: 0,
|
||
width: expWidth,
|
||
height: expHeight,
|
||
destWidth: expWidth,
|
||
destHeight: expHeight,
|
||
canvasId: 'avatar-canvas-' + this.instanceId,
|
||
fileType: 'png',
|
||
quality: this.qlty,
|
||
success: (r)=>{
|
||
r = r.tempFilePath;
|
||
this.btop(r).then((r)=> {
|
||
this.$emit("confirm", {avatar: this.imgSrc, path: r, index: this.indx, data: this.rtn});
|
||
});
|
||
},
|
||
fail: ()=>{
|
||
uni.showToast({
|
||
title: "error0",
|
||
duration: 2000,
|
||
})
|
||
}
|
||
});
|
||
});
|
||
} else {
|
||
this.$emit("confirm", {avatar: this.imgSrc, path: r, index: this.indx, data: this.rtn});
|
||
}
|
||
})
|
||
// #endif
|
||
// #ifndef H5
|
||
this.$emit("confirm", {avatar: this.imgSrc, path: r, index: this.indx, data: this.rtn});
|
||
// #endif
|
||
},
|
||
fail: ()=>{
|
||
uni.showToast({
|
||
title: "error_prv",
|
||
duration: 2000,
|
||
})
|
||
},
|
||
complete: () => {
|
||
uni.hideLoading();
|
||
this.noBar || uni.showTabBar();
|
||
}
|
||
}, this);
|
||
},
|
||
drawInit(ini=false) {
|
||
let allWidth = this.windowWidth,
|
||
allHeight = this.windowHeight,
|
||
imgWidth = this.imgWidth,
|
||
imgHeight = this.imgHeight,
|
||
imgRadio = imgWidth/imgHeight,
|
||
useWidth = allWidth - 40,
|
||
useHeight = allHeight - tabHeight - 80,
|
||
pixelRatio = this.pixelRatio,
|
||
selWidth = parseInt(this.selStyle.width),
|
||
selHeight = parseInt(this.selStyle.height);
|
||
|
||
this.fixWidth = 0;
|
||
this.fixHeight = 0;
|
||
this.lckWidth = 0;
|
||
this.lckHeight = 0;
|
||
switch(this.stc) {
|
||
case 'x': this.fixWidth = 1; break;
|
||
case 'y': this.fixHeight = 1; break;
|
||
case 'long': if(imgRadio > 1) this.fixWidth = 1; else this.fixHeight = 1; break;
|
||
case 'short': if(imgRadio > 1) this.fixHeight = 1; else this.fixWidth = 1; break;
|
||
case 'longSel': if(selWidth > selHeight) this.fixWidth = 1; else this.fixHeight = 1; break;
|
||
case 'shortSel': if(selWidth > selHeight) this.fixHeight = 1; else this.fixWidth = 1; break;
|
||
}
|
||
// lck 用于控制裁剪框的宽度和高度锁定行为
|
||
// 'x': 锁定宽度，不允许水平方向调整
|
||
// 'y': 锁定高度，不允许垂直方向调整
|
||
// 'long': 根据图片长边锁定，如果图片横向较长则锁定宽度，否则锁定高度
|
||
// 'short': 根据图片短边锁定，如果图片横向较长则锁定高度，否则锁定宽度
|
||
// 'longSel': 根据选择框的长边锁定，如果选择框宽度大于高度则锁定宽度，否则锁定高度
|
||
// 'shortSel': 根据选择框的短边锁定，如果选择框宽度大于高度则锁定高度，否则锁定宽度
|
||
switch(this.lck) {
|
||
case 'x': this.lckWidth = 1; break;
|
||
case 'y': this.lckHeight = 1; break;
|
||
case 'long': if(imgRadio > 1) this.lckWidth = 1; else this.lckHeight = 1; break;
|
||
case 'short': if(imgRadio > 1) this.lckHeight = 1; else this.lckWidth = 1; break;
|
||
case 'longSel': if(selWidth > selHeight) this.lckWidth = 1; else this.lckHeight = 1; break;
|
||
case 'shortSel': if(selWidth > selHeight) this.lckHeight = 1; else this.lckWidth = 1; break;
|
||
}
|
||
if( this.fixWidth ) {
|
||
useWidth = selWidth;
|
||
useHeight = useWidth/imgRadio;
|
||
} else if( this.fixHeight ) {
|
||
useHeight = selHeight;
|
||
useWidth = useHeight*imgRadio;
|
||
} else if( imgRadio < 1 ) {
|
||
if( imgHeight < useHeight ) {
|
||
useWidth = imgWidth;
|
||
useHeight = imgHeight;
|
||
} else {
|
||
useHeight = useHeight;
|
||
useWidth = useHeight*imgRadio;
|
||
}
|
||
} else {
|
||
if( imgWidth < useWidth ) {
|
||
useWidth = imgWidth;
|
||
useHeight = imgHeight;
|
||
} else {
|
||
useWidth = useWidth;
|
||
useHeight = useWidth/imgRadio;
|
||
}
|
||
}
|
||
if( this.isin ) {
|
||
this.scaleWidth = 0;
|
||
this.scaleHeight = 0;
|
||
if(useWidth < selWidth) {
|
||
useWidth = selWidth;
|
||
useHeight = useWidth/imgRadio;
|
||
this.lckHeight = 0;
|
||
}
|
||
if(useHeight < selHeight) {
|
||
useHeight = selHeight;
|
||
useWidth = useHeight*imgRadio;
|
||
this.lckWidth = 0;
|
||
}
|
||
}
|
||
|
||
this.scaleSize = 1;
|
||
this.rotateDeg = 0;
|
||
this.posWidth = (allWidth-useWidth)/2;
|
||
this.posHeight = (allHeight-useHeight-tabHeight)/2;
|
||
this.useWidth = useWidth;
|
||
this.useHeight = useHeight;
|
||
|
||
let style = this.selStyle,
|
||
left = parseInt(style.left),
|
||
top = parseInt(style.top),
|
||
width = parseInt(style.width),
|
||
height = parseInt(style.height),
|
||
canvas = this.canvas,
|
||
canvasOper = this.canvasOper,
|
||
ctxCanvas = this.ctxCanvas,
|
||
ctxCanvasOper = this.ctxCanvasOper;
|
||
|
||
ctxCanvasOper.setLineWidth(3);
|
||
ctxCanvasOper.setStrokeStyle('grey');
|
||
ctxCanvasOper.setGlobalAlpha(0.4);
|
||
ctxCanvasOper.setFillStyle('black');
|
||
ctxCanvasOper.strokeRect( left, top, width, height );
|
||
ctxCanvasOper.fillRect(0, 0, this.windowWidth, top);
|
||
ctxCanvasOper.fillRect(0, top, left, height);
|
||
ctxCanvasOper.fillRect(0, top+height, this.windowWidth, this.windowHeight-height-top-tabHeight);
|
||
ctxCanvasOper.fillRect(left+width, top,this.windowWidth-width-left, height);
|
||
ctxCanvasOper.setStrokeStyle('red');
|
||
ctxCanvasOper.moveTo(left+20, top);ctxCanvasOper.lineTo(left, top);ctxCanvasOper.lineTo(left, top+20);
|
||
ctxCanvasOper.moveTo(left+width-20, top);ctxCanvasOper.lineTo(left+width, top);ctxCanvasOper.lineTo(left+width, top+20);
|
||
ctxCanvasOper.moveTo(left+20, top+height);ctxCanvasOper.lineTo(left, top+height);ctxCanvasOper.lineTo(left, top+height-20);
|
||
ctxCanvasOper.moveTo(left+width-20, top+height);ctxCanvasOper.lineTo(left+width, top+height);ctxCanvasOper.lineTo(left+width, top+height-20);
|
||
|
||
// 绘制控制点（四个角）
|
||
const controlPointSize = 10;
|
||
ctxCanvasOper.setFillStyle('white');
|
||
ctxCanvasOper.setStrokeStyle('grey');
|
||
ctxCanvasOper.setLineWidth(1);
|
||
// 左上角
|
||
ctxCanvasOper.fillRect(left - controlPointSize/2, top - controlPointSize/2, controlPointSize, controlPointSize);
|
||
ctxCanvasOper.strokeRect(left - controlPointSize/2, top - controlPointSize/2, controlPointSize, controlPointSize);
|
||
// 右上角
|
||
ctxCanvasOper.fillRect(left + width - controlPointSize/2, top - controlPointSize/2, controlPointSize, controlPointSize);
|
||
ctxCanvasOper.strokeRect(left + width - controlPointSize/2, top - controlPointSize/2, controlPointSize, controlPointSize);
|
||
// 左下角
|
||
ctxCanvasOper.fillRect(left - controlPointSize/2, top + height - controlPointSize/2, controlPointSize, controlPointSize);
|
||
ctxCanvasOper.strokeRect(left - controlPointSize/2, top + height - controlPointSize/2, controlPointSize, controlPointSize);
|
||
// 右下角
|
||
ctxCanvasOper.fillRect(left + width - controlPointSize/2, top + height - controlPointSize/2, controlPointSize, controlPointSize);
|
||
ctxCanvasOper.strokeRect(left + width - controlPointSize/2, top + height - controlPointSize/2, controlPointSize, controlPointSize);
|
||
|
||
ctxCanvasOper.stroke();
|
||
|
||
ctxCanvasOper.draw(false, ()=>{
|
||
if( ini ) {
|
||
this.styleDisplay = 'flex';
|
||
// #ifdef H5
|
||
this.styleTop = this.drawTop + 'px';
|
||
// #endif
|
||
// #ifndef H5
|
||
this.styleTop = '0';
|
||
// #endif
|
||
ctxCanvas.setFillStyle('black');
|
||
this.drawImage();
|
||
}
|
||
});
|
||
|
||
this.$emit("avtinit");
|
||
},
|
||
drawImage() {
|
||
let tm_now = Date.now();
|
||
if(tm_now - this.drawTm < 20) return;
|
||
this.drawTm = tm_now;
|
||
let ctxCanvas = this.ctxCanvas;
|
||
ctxCanvas.fillRect(0, 0, this.windowWidth, this.windowHeight-tabHeight);
|
||
ctxCanvas.translate(this.posWidth+this.useWidth/2, this.posHeight+this.useHeight/2);
|
||
ctxCanvas.scale(this.scaleSize, this.scaleSize);
|
||
ctxCanvas.rotate(this.rotateDeg * Math.PI/180);
|
||
ctxCanvas.drawImage(this.imgPath, -this.useWidth/2, -this.useHeight/2, this.useWidth, this.useHeight);
|
||
ctxCanvas.draw(false);
|
||
},
|
||
hideImg() {
|
||
this.prvImg = '';
|
||
this.prvTop = '-10000px';
|
||
this.showOper = true;
|
||
this.prvImgData = null;
|
||
this.target = null;
|
||
},
|
||
close() {
|
||
this.styleDisplay = 'none';
|
||
this.styleTop = '-10000px';
|
||
this.hasSel = false;
|
||
this.hideImg();
|
||
this.noBar || uni.showTabBar();
|
||
},
|
||
preview() {
|
||
if(this.fPreviewing) return;
|
||
this.fPreviewing = true;
|
||
setTimeout(()=>{ this.fPreviewing = false; }, 1000);
|
||
let style = this.selStyle,
|
||
x = parseInt(style.left),
|
||
y = parseInt(style.top),
|
||
width = parseInt(style.width),
|
||
height = parseInt(style.height);
|
||
|
||
uni.showLoading({ mask: true });
|
||
// console.log('size', x, y, width, height)
|
||
uni.canvasToTempFilePath({
|
||
x: x,
|
||
y: y,
|
||
width: width,
|
||
height: height,
|
||
canvasId: 'avatar-canvas-' + this.instanceId,
|
||
fileType: 'png',
|
||
quality: this.qlty,
|
||
success: (r)=>{
|
||
// console.log(r)
|
||
this.prvImgTmp = r = r.tempFilePath;
|
||
|
||
let ctxCanvasPrv = this.ctxCanvasPrv,
|
||
prvX = this.windowWidth,
|
||
prvY = parseInt(this.cvsStyleHeight),
|
||
prvWidth = parseInt(this.selStyle.width),
|
||
prvHeight = parseInt(this.selStyle.height),
|
||
useWidth = prvX - 40,
|
||
useHeight = prvY - 80,
|
||
radio = useWidth/prvWidth,
|
||
rHeight = prvHeight*radio;
|
||
if(rHeight < useHeight) {
|
||
prvWidth = useWidth;
|
||
prvHeight = rHeight;
|
||
} else {
|
||
radio = useHeight/prvHeight;
|
||
prvWidth *= radio;
|
||
prvHeight = useHeight;
|
||
}
|
||
ctxCanvasPrv.setFillStyle('black');
|
||
ctxCanvasPrv.fillRect(0, 0, prvX, prvY);
|
||
ctxCanvasPrv.fillRect(x, y, width, height);
|
||
this.prvX = prvX = (prvX-prvWidth)/2;
|
||
this.prvY = prvY = (prvY-prvHeight)/2;
|
||
this.prvWidth = prvWidth;
|
||
this.prvHeight = prvHeight;
|
||
ctxCanvasPrv.drawImage(r, prvX, prvY, prvWidth, prvHeight);
|
||
ctxCanvasPrv.draw(false, () => {
|
||
// #ifdef H5
|
||
this.btop(this.prvImgTmp).then((r)=> {
|
||
this.showOper = false;
|
||
this.prvTop = this.drawTop + 'px';
|
||
})
|
||
// #endif
|
||
// #ifndef H5
|
||
if( this.platform != 'android' ) {
|
||
this.showOper = false;
|
||
}
|
||
this.prvTop = '0';
|
||
// #endif
|
||
});
|
||
},
|
||
fail: ()=>{
|
||
uni.showToast({
|
||
title: "error2",
|
||
duration: 2000,
|
||
})
|
||
},
|
||
complete: () => {
|
||
uni.hideLoading();
|
||
}
|
||
}, this);
|
||
},
|
||
chooseImage(index=undefined, params=undefined, data=undefined) {
|
||
if(params) {
|
||
console.log(params)
|
||
let areaWidth = params.areaWidth || this.areaWidth,
|
||
areaHeight = params.areaHeight || this.areaHeight,
|
||
expWidth = params.exportWidth || this.exportWidth,
|
||
expHeight = params.exportHeight || this.exportHeight,
|
||
quality = params.quality,
|
||
canRotate = params.canRotate,
|
||
canScale = params.canScale,
|
||
canChangeSize = params.canChangeSize,
|
||
minScale = params.minScale,
|
||
maxScale = params.maxScale,
|
||
stretch = params.stretch,
|
||
inner = params.inner,
|
||
lock = params.lock;
|
||
console.log('areaWidth', this.areaWidth)
|
||
|
||
expWidth && (this.expWidth = expWidth.indexOf('rpx') >= 0 ? parseInt(expWidth)*this.pxRatio : parseInt(expWidth));
|
||
expHeight && (this.expHeight = expHeight.indexOf('rpx') >= 0 ? parseInt(expHeight)*this.pxRatio : parseInt(expHeight));
|
||
this.letRotate = canRotate === false ? 0 : 1;
|
||
this.letScale = canScale === false ? 0 : 1;
|
||
// 设置是否允许调整裁剪框大小
|
||
this.letChangeSize = canChangeSize || false;
|
||
this.qlty = parseInt(quality) || 0.9;
|
||
this.mnScale = minScale || 0.3;
|
||
this.mxScale = maxScale || 4;
|
||
this.stc = stretch;
|
||
this.isin = inner === true ? 1 : 0;
|
||
this.lck = lock;
|
||
if(this.isin) {
|
||
this.btnWidth = '24%';
|
||
this.btnDsp = 'none';
|
||
} else {
|
||
this.btnWidth = '19%';
|
||
this.btnDsp = 'flex';
|
||
}
|
||
|
||
if( areaWidth && areaHeight) {
|
||
areaWidth = areaWidth.indexOf('rpx') >= 0 ? parseInt(areaWidth) * this.pxRatio: parseInt(areaWidth);
|
||
areaHeight = areaHeight.indexOf('rpx') >= 0 ? parseInt(areaHeight) * this.pxRatio: parseInt(areaHeight);
|
||
this.selStyle.width = areaWidth + 'px';
|
||
this.selStyle.height = areaHeight + 'px';
|
||
this.selStyle.top = (this.windowHeight - areaHeight - tabHeight)/2 + 'px';
|
||
this.selStyle.left = (this.windowWidth - areaWidth)/2 + 'px';
|
||
// console.log(this.selStyle);
|
||
this.hasSel = true;
|
||
}
|
||
}
|
||
this.rtn = data;
|
||
this.indx = index;
|
||
this.select();
|
||
},
|
||
rotate() {
|
||
// #ifdef APP-PLUS
|
||
if(this.platform === 'android') {
|
||
if(this.fRotateing) return;
|
||
this.fRotateing = true;
|
||
setTimeout(()=>{ this.fRotateing = false; }, 500);
|
||
}
|
||
// #endif
|
||
|
||
// if(this.letRotate) {
|
||
this.rotateDeg += 90 - this.rotateDeg%90;
|
||
this.drawImage();
|
||
// }
|
||
},
|
||
start(e) {
|
||
let touches = e.touches,
|
||
touch0 = touches[0],
|
||
touch1 = touches[1];
|
||
|
||
this.touch0 = touch0;
|
||
this.touch1 = touch1;
|
||
|
||
if( touch1 ) {
|
||
let x = touch1.x - touch0.x,
|
||
y = touch1.y - touch0.y;
|
||
this.fgDistance = Math.sqrt(x * x + y * y);
|
||
} else {
|
||
// 只有在允许调整大小时才检查控制点
|
||
if (this.letChangeSize) {
|
||
// 检查是否点击在控制点上
|
||
const controlPointSize = 20;
|
||
const x = touch0.x;
|
||
const y = touch0.y;
|
||
const style = this.selStyle;
|
||
const left = parseInt(style.left);
|
||
const top = parseInt(style.top);
|
||
const width = parseInt(style.width);
|
||
const height = parseInt(style.height);
|
||
|
||
// 检查四个控制点
|
||
if (Math.abs(x - left) < controlPointSize && Math.abs(y - top) < controlPointSize) {
|
||
this.resizeHandle = 'top-left';
|
||
} else if (Math.abs(x - (left + width)) < controlPointSize && Math.abs(y - top) < controlPointSize) {
|
||
this.resizeHandle = 'top-right';
|
||
} else if (Math.abs(x - left) < controlPointSize && Math.abs(y - (top + height)) < controlPointSize) {
|
||
this.resizeHandle = 'bottom-left';
|
||
} else if (Math.abs(x - (left + width)) < controlPointSize && Math.abs(y - (top + height)) < controlPointSize) {
|
||
this.resizeHandle = 'bottom-right';
|
||
} else {
|
||
this.resizeHandle = null;
|
||
}
|
||
} else {
|
||
this.resizeHandle = null;
|
||
}
|
||
}
|
||
},
|
||
move(e) {
|
||
let touches = e.touches,
|
||
touch0 = touches[0],
|
||
touch1 = touches[1];
|
||
|
||
if( touch1 ) {
|
||
let x = touch1.x - touch0.x,
|
||
y = touch1.y - touch0.y,
|
||
fgDistance = Math.sqrt(x * x + y * y),
|
||
scaleSize = 0.005 * (fgDistance - this.fgDistance),
|
||
beScaleSize = this.scaleSize + scaleSize;
|
||
|
||
do {
|
||
if( !this.letScale ) break;
|
||
if( beScaleSize < this.mnScale) break;
|
||
if( beScaleSize > this.mxScale) break;
|
||
if(this.isin) {
|
||
let imgWidth = this.useWidth*beScaleSize,
|
||
imgHeight = this.useHeight*beScaleSize,
|
||
rx0 = this.posWidth+this.useWidth/2,
|
||
ry0 = this.posHeight+this.useHeight/2,
|
||
l = rx0-imgWidth/2, t = ry0-imgHeight/2,
|
||
r = l+imgWidth, b = t+imgHeight,
|
||
left = parseInt(this.selStyle.left),
|
||
top = parseInt(this.selStyle.top),
|
||
width = parseInt(this.selStyle.width),
|
||
height = parseInt(this.selStyle.height);
|
||
if(left < l || left+width > r || top < t || top+height > b) break;
|
||
this.scaleWidth = (this.useWidth-imgWidth)/2;
|
||
this.scaleHeight = (this.useHeight-imgHeight)/2;
|
||
}
|
||
|
||
this.scaleSize = beScaleSize;
|
||
} while(0);
|
||
this.fgDistance = fgDistance;
|
||
|
||
if(touch1.x !== touch0.x && this.letRotate) {
|
||
x = (this.touch1.y - this.touch0.y)/(this.touch1.x - this.touch0.x);
|
||
y = (touch1.y - touch0.y)/(touch1.x - touch0.x);
|
||
this.rotateDeg += Math.atan((y-x)/(1+x*y)) * 180/Math.PI;
|
||
this.touch0 = touch0;
|
||
this.touch1 = touch1;
|
||
}
|
||
|
||
this.drawImage();
|
||
} else if( this.touch0 ) {
|
||
// 只有在允许调整大小时才处理裁剪框大小调整
|
||
if (this.resizeHandle && this.letChangeSize) {
|
||
const style = {...this.selStyle};
|
||
const left = parseInt(style.left);
|
||
const top = parseInt(style.top);
|
||
const width = parseInt(style.width);
|
||
const height = parseInt(style.height);
|
||
const minWidth = 50;
|
||
const minHeight = 50;
|
||
|
||
switch (this.resizeHandle) {
|
||
case 'top-left':
|
||
style.left = touch0.x + 'px';
|
||
style.top = touch0.y + 'px';
|
||
style.width = (left + width - touch0.x) + 'px';
|
||
style.height = (top + height - touch0.y) + 'px';
|
||
break;
|
||
case 'top-right':
|
||
style.top = touch0.y + 'px';
|
||
style.width = (touch0.x - left) + 'px';
|
||
style.height = (top + height - touch0.y) + 'px';
|
||
break;
|
||
case 'bottom-left':
|
||
style.left = touch0.x + 'px';
|
||
style.width = (left + width - touch0.x) + 'px';
|
||
style.height = (touch0.y - top) + 'px';
|
||
break;
|
||
case 'bottom-right':
|
||
style.width = (touch0.x - left) + 'px';
|
||
style.height = (touch0.y - top) + 'px';
|
||
break;
|
||
}
|
||
|
||
// 确保最小尺寸
|
||
if (parseInt(style.width) >= minWidth && parseInt(style.height) >= minHeight) {
|
||
// 确保裁剪框不超出屏幕边界
|
||
if (parseInt(style.left) >= 0 &&
|
||
parseInt(style.top) >= 0 &&
|
||
(parseInt(style.left) + parseInt(style.width)) <= this.windowWidth &&
|
||
(parseInt(style.top) + parseInt(style.height)) <= (this.windowHeight - tabHeight)) {
|
||
this.selStyle = style;
|
||
// 重新绘制操作层
|
||
this.drawInit();
|
||
}
|
||
}
|
||
} else {
|
||
// 原有的移动图片逻辑
|
||
let x = touch0.x - this.touch0.x,
|
||
y = touch0.y - this.touch0.y,
|
||
beX = this.posWidth + x,
|
||
beY = this.posHeight + y;
|
||
if(this.isin) {
|
||
let imgWidth = this.useWidth*this.scaleSize,
|
||
imgHeight = this.useHeight*this.scaleSize,
|
||
rx0 = beX+this.useWidth/2,
|
||
ry0 = beY+this.useHeight/2,
|
||
l = rx0-imgWidth/2, t = ry0-imgHeight/2,
|
||
r = l+imgWidth, b = t+imgHeight,
|
||
left = parseInt(this.selStyle.left),
|
||
top = parseInt(this.selStyle.top),
|
||
width = parseInt(this.selStyle.width),
|
||
height = parseInt(this.selStyle.height);
|
||
if(!this.lckWidth && Math.abs(x) < 100) {
|
||
if(left >= l && left+width <= r) {
|
||
this.posWidth = beX;
|
||
} else if(left < l){
|
||
this.posWidth = left - this.scaleWidth;
|
||
} else if(left+width > r) {
|
||
this.posWidth = left-(imgWidth-width) - this.scaleWidth;
|
||
}
|
||
}
|
||
if(!this.lckHeight && Math.abs(y) < 100) {
|
||
if(top >= t && top+height <= b) {
|
||
this.posHeight = beY;
|
||
} else if(top < t) {
|
||
this.posHeight = top - this.scaleHeight;
|
||
} else if(top+height > b) {
|
||
this.posHeight = top-(imgHeight-height) - this.scaleHeight;
|
||
}
|
||
}
|
||
} else {
|
||
if( Math.abs(x) < 100 && !this.lckWidth) this.posWidth = beX;
|
||
if( Math.abs(y) < 100 && !this.lckHeight) this.posHeight = beY;
|
||
}
|
||
|
||
this.touch0 = touch0;
|
||
this.drawImage();
|
||
}
|
||
}
|
||
},
|
||
end(e) {
|
||
let touches = e.touches,
|
||
touch0 = touches && touches[0],
|
||
touch1 = touches && touches[1];
|
||
if(touch0) {
|
||
this.touch0 = touch0;
|
||
} else {
|
||
this.touch0 = null;
|
||
this.touch1 = null;
|
||
this.resizeHandle = null; // 重置调整手柄
|
||
}
|
||
},
|
||
getImgData() {
|
||
return new Promise((resolve, reject)=>{
|
||
let prvX = this.prvX,
|
||
prvY = this.prvY,
|
||
prvWidth = this.prvWidth,
|
||
prvHeight = this.prvHeight;
|
||
// #ifdef APP-PLUS||H5
|
||
prvX *= this.pixelRatio;
|
||
prvY *= this.pixelRatio;
|
||
prvWidth *= this.pixelRatio;
|
||
prvHeight *= this.pixelRatio;
|
||
// #endif
|
||
uni.canvasGetImageData({
|
||
canvasId: 'prv-canvas-' + this.instanceId,
|
||
x: prvX,
|
||
y: prvY,
|
||
width: prvWidth,
|
||
height: prvHeight,
|
||
success(res) {
|
||
resolve(res.data);
|
||
},
|
||
fail(err) {
|
||
reject(err);
|
||
}
|
||
}, this);
|
||
});
|
||
},
|
||
async colorChange(e) {
|
||
let tm_now = Date.now();
|
||
if(tm_now - this.prvTm < 100) return;
|
||
this.prvTm = tm_now;
|
||
|
||
uni.showLoading({ mask: true });
|
||
|
||
if( !this.prvImgData ) {
|
||
if( !(this.prvImgData = await this.getImgData().catch((res)=>{
|
||
uni.showToast({
|
||
title: "error_read",
|
||
duration: 2000,
|
||
})
|
||
}))) return;
|
||
this.target = new Uint8ClampedArray(this.prvImgData.length);
|
||
}
|
||
|
||
let data = this.prvImgData,
|
||
target = this.target,
|
||
i = e.detail.value,
|
||
r,g,b,a,h,s,l,d,p,q,t,min,max,hK,tR,tG,tB;
|
||
|
||
if( i === 0 ) {
|
||
target = data;
|
||
} else {
|
||
i = (i+100)/200;
|
||
if( i < 0.005 ) i = 0;
|
||
if( i > 0.995 ) i = 1;
|
||
for( let n = data.length-1; n >= 0; n-=4 ) {
|
||
r = data[n-3] / 255;
|
||
g = data[n-2] / 255;
|
||
b = data[n-1] / 255;
|
||
max = Math.max(r,g,b);
|
||
min = Math.min(r,g,b);
|
||
d = max-min;
|
||
if ( max === min ){
|
||
h = 0 ;
|
||
}else if( max === r && g>=b ){
|
||
h = 60*( (g-b)/d ) ;
|
||
}else if( max === r && g<b ){
|
||
h = 60*( (g-b)/d ) + 360 ;
|
||
}else if( max === g ){
|
||
h = 60*( (b-r)/d ) + 120 ;
|
||
}else if( max === b ){
|
||
h = 60*( (r-g)/d ) + 240 ;
|
||
}
|
||
l = (max+min)/2 ;
|
||
if ( l===0 || max===min ){
|
||
s = 0 ;
|
||
}else if( 0<l && l<=0.5 ){
|
||
s = d/(2*l) ;
|
||
}else if( l>0.5 ){
|
||
s = d/(2-2*l) ;
|
||
}
|
||
data[n] && (a = data[n]);
|
||
|
||
if ( i < 0.5 ){
|
||
s = s*i/0.5 ;
|
||
}else if ( i > 0.5 ){
|
||
s = 2*s + 2*i - (s*i/0.5) - 1 ;
|
||
}
|
||
|
||
if ( s === 0 ){
|
||
r = g = b = Math.round( l*255 ) ;
|
||
}else{
|
||
if ( l<0.5 ){
|
||
q = l * ( 1 + s ) ;
|
||
}else if( l>=0.5 ){
|
||
q = l + s - ( l * s ) ;
|
||
}
|
||
p = 2*l-q ;
|
||
hK = h/360 ;
|
||
tR = hK + 1/3 ;
|
||
tG = hK ;
|
||
tB = hK - 1/3 ;
|
||
let correctRGB = (t)=>{
|
||
if( t<0 ){
|
||
return t + 1.0 ;
|
||
}
|
||
if( t>1 ){
|
||
return t - 1.0 ;
|
||
}
|
||
return t ;
|
||
} ;
|
||
let createRGB = (t)=>{
|
||
if ( t<(1/6) ){
|
||
return p+((q-p)*6*t) ;
|
||
}else if( t>=(1/6) && t<(1/2) ){
|
||
return q ;
|
||
}else if( t>=(1/2) && t<(2/3) ){
|
||
return p+((q-p)*6*((2/3)-t)) ;
|
||
}
|
||
return p ;
|
||
} ;
|
||
r = tR = Math.round( createRGB( correctRGB( tR ) )*255 ) ;
|
||
g = tG = Math.round( createRGB( correctRGB( tG ) )*255 ) ;
|
||
b = tB = Math.round( createRGB( correctRGB( tB ) )*255 ) ;
|
||
}
|
||
a && ( target[n] = a ) ;
|
||
target[n-3] = r;
|
||
target[n-2] = g;
|
||
target[n-1] = b;
|
||
}
|
||
}
|
||
let prvX = this.prvX,
|
||
prvY = this.prvY,
|
||
prvWidth = this.prvWidth,
|
||
prvHeight = this.prvHeight;
|
||
|
||
this.ctxCanvasPrv.setFillStyle('black');
|
||
this.ctxCanvasPrv.fillRect(prvX, prvY, prvWidth, prvHeight);
|
||
this.ctxCanvasPrv.draw(true);
|
||
|
||
// #ifdef APP-PLUS||H5
|
||
prvX *= this.pixelRatio;
|
||
prvY *= this.pixelRatio;
|
||
prvWidth *= this.pixelRatio;
|
||
prvHeight *= this.pixelRatio;
|
||
// #endif
|
||
uni.canvasPutImageData({
|
||
canvasId: 'prv-canvas-' + this.instanceId,
|
||
x: prvX,
|
||
y: prvY,
|
||
width: prvWidth,
|
||
height: prvHeight,
|
||
data: target,
|
||
fail() {
|
||
uni.showToast({
|
||
title: 'error_put',
|
||
duration: 2000
|
||
})
|
||
},
|
||
complete() {
|
||
uni.hideLoading();
|
||
}
|
||
}, this);
|
||
},
|
||
btop(base64) {
|
||
return new Promise(function(resolve, reject) {
|
||
var arr = base64.split(','),
|
||
mime = arr[0].match(/:(.*?);/)[1],
|
||
bstr = atob(arr[1]),
|
||
n = bstr.length,
|
||
u8arr = new Uint8Array(n);
|
||
while (n--) {
|
||
u8arr[n] = bstr.charCodeAt(n);
|
||
}
|
||
return resolve((window.URL || window.webkitURL).createObjectURL(new Blob([u8arr], { type: mime })));
|
||
});
|
||
},
|
||
}
|
||
}
|
||
</script>
|
||
|
||
<style lang="scss" scoped>
|
||
.u-cropper {
|
||
.my-canvas{
|
||
display: flex;
|
||
position: fixed !important;
|
||
background: #000000;
|
||
left: 0;
|
||
z-index: 100000;
|
||
width: 100%;
|
||
}
|
||
.my-avatar {
|
||
width: 150rpx;
|
||
height: 150rpx;
|
||
border-radius: 100%;
|
||
}
|
||
.oper-canvas {
|
||
display: flex;
|
||
position: fixed !important;
|
||
left: 0;
|
||
z-index: 100001;
|
||
width: 100%;
|
||
}
|
||
.prv-canvas {
|
||
display: flex;
|
||
position: fixed !important;
|
||
background: #000000;
|
||
left: 0;
|
||
z-index: 200000;
|
||
width: 100%;
|
||
}
|
||
.oper-wrapper {
|
||
height: 50px;
|
||
position: fixed !important;
|
||
box-sizing: border-box;
|
||
border: 1px solid #F1F1F1;
|
||
background: #ffffff;
|
||
width: 100%;
|
||
left: 0;
|
||
bottom: 0;
|
||
z-index: 100009;
|
||
flex-direction: row;
|
||
}
|
||
.oper {
|
||
display: flex;
|
||
flex-direction: column;
|
||
justify-content: center;
|
||
padding: 10rpx 20rpx;
|
||
width: 100%;
|
||
height: 100%;
|
||
box-sizing: border-box;
|
||
align-self: center;
|
||
}
|
||
.btn-wrapper {
|
||
display: flex;
|
||
flex-direction: row;
|
||
/* #ifndef H5 */
|
||
flex-grow: 1;
|
||
/* #endif */
|
||
/* #ifdef H5 */
|
||
height: 50px;
|
||
/* #endif */
|
||
justify-content: space-between;
|
||
}
|
||
.btn-wrapper view {
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
font-size: 16px;
|
||
color: #333;
|
||
border: 1px solid #f1f1f1;
|
||
border-radius: 6%;
|
||
}
|
||
.hover {
|
||
background: #f1f1f1;
|
||
border-radius: 6%;
|
||
}
|
||
.clr-wrapper {
|
||
display: flex;
|
||
flex-direction: row;
|
||
flex-grow: 1;
|
||
}
|
||
.clr-wrapper view {
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
font-size: 16px;
|
||
color: #333;
|
||
border: 1px solid #f1f1f1;
|
||
border-radius: 6%;
|
||
}
|
||
.my-slider {
|
||
flex-grow: 1;
|
||
}
|
||
}
|
||
</style>
|