291 lines
9.5 KiB
Vue
291 lines
9.5 KiB
Vue
<template>
|
||
<view class="content">
|
||
<view class="cropper-wrapper" :style="{ height: cropperOpt.height + 'px' }">
|
||
<canvas
|
||
class="cropper"
|
||
:disable-scroll="true"
|
||
@touchstart="touchStart"
|
||
@touchmove="touchMove"
|
||
@touchend="touchEnd"
|
||
:style="{ width: cropperOpt.width, height: cropperOpt.height, backgroundColor: 'rgba(0, 0, 0, 0.8)' }"
|
||
canvas-id="cropper"
|
||
id="cropper"
|
||
></canvas>
|
||
<canvas
|
||
class="cropper"
|
||
:disable-scroll="true"
|
||
:style="{
|
||
position: 'fixed',
|
||
top: `-${cropperOpt.width * cropperOpt.pixelRatio}px`,
|
||
left: `-${cropperOpt.height * cropperOpt.pixelRatio}px`,
|
||
width: `${cropperOpt.width * cropperOpt.pixelRatio}px`,
|
||
height: `${cropperOpt.height * cropperOpt.pixelRatio}`
|
||
}"
|
||
canvas-id="targetId"
|
||
id="targetId"
|
||
></canvas>
|
||
</view>
|
||
<view class="cropper-buttons safe-area-padding" :style="{ height: bottomNavHeight + 'px' }">
|
||
<!-- #ifdef H5 -->
|
||
<view class="upload" @tap="uploadTap">选择图片</view>
|
||
<!-- #endif -->
|
||
<!-- #ifndef H5 -->
|
||
<view class="upload" @tap="uploadTap">重新选择</view>
|
||
<!-- #endif -->
|
||
<view class="getCropperImage" @tap="getCropperImage(false)">确定</view>
|
||
</view>
|
||
</view>
|
||
</template>
|
||
|
||
<script>
|
||
import WeCropper from './weCropper.js';
|
||
export default {
|
||
props: {
|
||
// 裁剪矩形框的样式，其中可包含的属性为lineWidth-边框宽度(单位rpx)，color: 边框颜色，
|
||
// mask-遮罩颜色，一般设置为一个rgba的透明度，如"rgba(0, 0, 0, 0.35)"
|
||
boundStyle: {
|
||
type: Object,
|
||
default() {
|
||
return {
|
||
lineWidth: 4,
|
||
borderColor: 'rgb(245, 245, 245)',
|
||
mask: 'rgba(0, 0, 0, 0.35)'
|
||
};
|
||
}
|
||
}
|
||
// // 裁剪框宽度，单位rpx
|
||
// rectWidth: {
|
||
// type: [String, Number],
|
||
// default: 400
|
||
// },
|
||
// // 裁剪框高度，单位rpx
|
||
// rectHeight: {
|
||
// type: [String, Number],
|
||
// default: 400
|
||
// },
|
||
// // 输出图片宽度，单位rpx
|
||
// destWidth: {
|
||
// type: [String, Number],
|
||
// default: 400
|
||
// },
|
||
// // 输出图片高度，单位rpx
|
||
// destHeight: {
|
||
// type: [String, Number],
|
||
// default: 400
|
||
// },
|
||
// // 输出的图片类型，如果发现裁剪的图片很大，可能是因为设置为了"png"，改成"jpg"即可
|
||
// fileType: {
|
||
// type: String,
|
||
// default: 'jpg',
|
||
// },
|
||
// // 生成的图片质量
|
||
// // H5上无效，目前不考虑使用此参数
|
||
// quality: {
|
||
// type: [Number, String],
|
||
// default: 1
|
||
// }
|
||
},
|
||
data() {
|
||
return {
|
||
// 底部导航的高度
|
||
bottomNavHeight: 50,
|
||
originWidth: 200,
|
||
width: 0,
|
||
height: 0,
|
||
cropperOpt: {
|
||
id: 'cropper',
|
||
targetId: 'targetCropper',
|
||
pixelRatio: 1,
|
||
width: 0,
|
||
height: 0,
|
||
scale: 2.5,
|
||
zoom: 8,
|
||
cut: {
|
||
x: (this.width - this.originWidth) / 2,
|
||
y: (this.height - this.originWidth) / 2,
|
||
width: this.originWidth,
|
||
height: this.originWidth
|
||
},
|
||
boundStyle: {
|
||
lineWidth: uni.upx2px(this.boundStyle.lineWidth),
|
||
mask: this.boundStyle.mask,
|
||
color: this.boundStyle.borderColor
|
||
}
|
||
},
|
||
// 裁剪框和输出图片的尺寸，高度默认等于宽度
|
||
// 输出图片宽度，单位px
|
||
destWidth: 200,
|
||
// 裁剪框宽度，单位px
|
||
rectWidth: 200,
|
||
// 输出的图片类型，如果'png'类型发现裁剪的图片太大，改成"jpg"即可
|
||
fileType: 'jpg',
|
||
src: '', // 选择的图片路径，用于在点击确定时，判断是否选择了图片
|
||
};
|
||
},
|
||
onLoad(option) {
|
||
let rectInfo = uni.getSystemInfoSync();
|
||
this.width = rectInfo.windowWidth;
|
||
this.height = rectInfo.windowHeight - this.bottomNavHeight;
|
||
this.cropperOpt.width = this.width;
|
||
this.cropperOpt.height = this.height;
|
||
this.cropperOpt.pixelRatio = rectInfo.pixelRatio;
|
||
|
||
if (option.destWidth) this.destWidth = option.destWidth;
|
||
if (option.rectWidth) {
|
||
let rectWidth = Number(option.rectWidth);
|
||
this.cropperOpt.cut = {
|
||
x: (this.width - rectWidth) / 2,
|
||
y: (this.height - rectWidth) / 2,
|
||
width: rectWidth,
|
||
height: rectWidth
|
||
};
|
||
}
|
||
this.rectWidth = option.rectWidth;
|
||
if (option.fileType) this.fileType = option.fileType;
|
||
// 初始化
|
||
this.cropper = new WeCropper(this.cropperOpt)
|
||
.on('ready', ctx => {
|
||
// wecropper is ready for work!
|
||
})
|
||
.on('beforeImageLoad', ctx => {
|
||
// before picture loaded, i can do something
|
||
})
|
||
.on('imageLoad', ctx => {
|
||
// picture loaded
|
||
})
|
||
.on('beforeDraw', (ctx, instance) => {
|
||
// before canvas draw,i can do something
|
||
});
|
||
// 设置导航栏样式，以免用户在page.json中没有设置为黑色背景
|
||
uni.setNavigationBarColor({
|
||
frontColor: '#ffffff',
|
||
backgroundColor: '#000000'
|
||
});
|
||
uni.chooseImage({
|
||
count: 1, // 默认9
|
||
sizeType: ['compressed'], // 可以指定是原图还是压缩图，默认二者都有
|
||
sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有
|
||
success: res => {
|
||
this.src = res.tempFilePaths[0];
|
||
// 获取裁剪图片资源后，给data添加src属性及其值
|
||
this.cropper.pushOrign(this.src);
|
||
}
|
||
});
|
||
},
|
||
methods: {
|
||
touchStart(e) {
|
||
this.cropper.touchStart(e);
|
||
},
|
||
touchMove(e) {
|
||
this.cropper.touchMove(e);
|
||
},
|
||
touchEnd(e) {
|
||
this.cropper.touchEnd(e);
|
||
},
|
||
getCropperImage(isPre = false) {
|
||
if(!this.src) return this.$u.toast('请先选择图片再裁剪');
|
||
|
||
let cropper_opt = {
|
||
destHeight: Number(this.destWidth), // uni.canvasToTempFilePath要求这些参数为数值
|
||
destWidth: Number(this.destWidth),
|
||
fileType: this.fileType
|
||
};
|
||
this.cropper.getCropperImage(cropper_opt, (path, err) => {
|
||
if (err) {
|
||
uni.showModal({
|
||
title: '温馨提示',
|
||
content: err.message
|
||
});
|
||
} else {
|
||
if (isPre) {
|
||
uni.previewImage({
|
||
current: '', // 当前显示图片的 http 链接
|
||
urls: [path] // 需要预览的图片 http 链接列表
|
||
});
|
||
} else {
|
||
uni.$emit('uAvatarCropper', path);
|
||
this.$u.route({
|
||
type: 'back'
|
||
});
|
||
}
|
||
}
|
||
});
|
||
},
|
||
uploadTap() {
|
||
const self = this;
|
||
uni.chooseImage({
|
||
count: 1, // 默认9
|
||
sizeType: ['original', 'compressed'], // 可以指定是原图还是压缩图，默认二者都有
|
||
sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有
|
||
success: (res) => {
|
||
self.src = res.tempFilePaths[0];
|
||
// 获取裁剪图片资源后，给data添加src属性及其值
|
||
|
||
self.cropper.pushOrign(this.src);
|
||
}
|
||
});
|
||
}
|
||
}
|
||
};
|
||
</script>
|
||
|
||
<style scoped lang="scss">
|
||
@import '../../libs/css/style.components.scss';
|
||
|
||
.content {
|
||
background: rgba(255, 255, 255, 1);
|
||
}
|
||
|
||
.cropper {
|
||
position: absolute;
|
||
top: 0;
|
||
left: 0;
|
||
width: 100%;
|
||
height: 100%;
|
||
z-index: 11;
|
||
}
|
||
|
||
.cropper-buttons {
|
||
background-color: #000000;
|
||
color: #eee;
|
||
}
|
||
|
||
.cropper-wrapper {
|
||
position: relative;
|
||
@include vue-flex;
|
||
flex-direction: row;
|
||
justify-content: space-between;
|
||
align-items: center;
|
||
width: 100%;
|
||
background-color: #000;
|
||
}
|
||
|
||
.cropper-buttons {
|
||
width: 100vw;
|
||
@include vue-flex;
|
||
flex-direction: row;
|
||
justify-content: space-between;
|
||
align-items: center;
|
||
position: fixed;
|
||
bottom: 0;
|
||
left: 0;
|
||
font-size: 28rpx;
|
||
}
|
||
|
||
.cropper-buttons .upload,
|
||
.cropper-buttons .getCropperImage {
|
||
width: 50%;
|
||
text-align: center;
|
||
}
|
||
|
||
.cropper-buttons .upload {
|
||
text-align: left;
|
||
padding-left: 50rpx;
|
||
}
|
||
|
||
.cropper-buttons .getCropperImage {
|
||
text-align: right;
|
||
padding-right: 50rpx;
|
||
}
|
||
</style>
|