laser_v1/locat/components/image-transform/index.js

(() => {
    // 初始地图
    const initMap = (map) => {
        return {
            map,
            async loadImage(args) {
                const { file, minWidth, minHeight } = args
                args.img = args.img ?
                    args.img :
                    await blobImageLoad(file, minWidth, minHeight)

                return loadImageLayer(map, args)
            },
            screenToLatlan({ x, y }) {
                const real = map.getCoordinateFromPixel([x, y])
                const latlan = ol.proj.transform(real, 'EPSG:4326', 'EPSG:99999')
                return latlan
            }
        }
    }

    const loadImageLayer = (map, args) => {
        const {
            lon,
            lat
        } = args
        const itude = ol.proj.fromLonLat([lon, lat])
        const { image: imageLayer, canvas } = loadImage(map, args, itude)

        map.addLayer(imageLayer);
        map.getView().setCenter(
            ol.proj.fromLonLat([lon, lat])
        );
        map.getView().setZoom(19)

        return canvas
    }

    // 经纬度转canvas坐标
    const itudeToCanvasPos = (map, extent, itude) => {
        //Canvas四至范围不同于当前地图四至范围，计算出南北方向与东西方向的偏移
        const mapExtent = map.getView()
            .calculateExtent(map.getSize())

        //当前底图视图范围的投影坐标
        const canvasOrigin = map.getPixelFromCoordinate(
            [extent[0], extent[3]]
        );

        //添加到地图上的canvas图像的左上角
        const mapOrigin = map.getPixelFromCoordinate(
            [mapExtent[0], mapExtent[3]]
        );

        const delta = [
            mapOrigin[0] - canvasOrigin[0],
            mapOrigin[1] - canvasOrigin[1]
        ];

        const leftTop = map.getPixelFromCoordinate(itude)

        return {
            x: leftTop[0] + delta[0],
            y: leftTop[1] + delta[1]
        }
    }

    // 平移，旋转，放大当前canvas
    const transformCanvasCall = (
        canvas,
        transform,
        oper,
        center = {
            x: 0,
            y: 0
        }
    ) => {
        const ctx = canvas.getContext('2d')
        const {
            translate,
            scale,
            rotate
        } = transform



        ctx.translate(center.x, center.y)
        translate && ctx.translate(translate.x, translate.y)
        rotate && ctx.rotate(rotate * (Math.PI / 180))
        scale && ctx.scale(scale[0], scale[1])
        oper && oper()
        // scale && ctx.scale(1 / scale, 1 / scale)
        // rotate && ctx.rotate(-rotate * (Math.PI / 180))
        // translate && ctx.translate(-translate.x, -translate.y)
        ctx.translate(-center.x, -center.y)
    }

    const genImgCanvasItudeToReal = (map, canvas, extent) =>
        (itude) => {
            return genImgCanvasPosToReal(map, canvas)(
                itudeToCanvasPos(map, extent, itude)
            )
        }

    const genImgCanvasPosToReal = (map, canvas) =>
        (pos) => {
            const $real = map.getViewport()
            const offsetWidth = (canvas.width - $real.offsetWidth) / 2
            const offsetHeight = (canvas.height - $real.offsetHeight) / 2

            return {
                x: pos.x - offsetWidth,
                y: pos.y - offsetHeight
            }
        }

    const genImgCanvasTransfrom = (canvas, arrayImgs, scale, initPos) =>
        (transform) => {
            console.log(scale)
            const ctx = canvas.getContext('2d');
            const dscale = transform.scale || [1, 1]
            const resize = 1 / (scale * 10)
            const doScale = [
                resize * dscale[0],
                resize * dscale[1]
            ]
            const imgData = { width: 0, height: 0 }

            arrayImgs.forEach(imgs => {
                let height = 0
                imgs.forEach(([img]) => height += img.height)
                imgData.width += imgs[0][0].width
                if (imgData.height < height) {
                    imgData.height = height
                }
            })

            initPos.x -= imgData.width / 2
            initPos.y -= imgData.height / 2

            // , translate: { x: -(imgData.width / 2) * doScale[0], y: -(imgData.height / 2) * doScale[1] } 
            ctx.fillStyle = 'rgba(0,0,0,0.1)'
            ctx.fillRect(0, 0, canvas.width, canvas.height)
            transformCanvasCall(
                canvas, { ...transform, scale: doScale },
                () => {
                    transform.draw && transform.draw(ctx)
                    let width = 0
                    arrayImgs.forEach(imgs => {
                        let height = 0
                        imgs.forEach(([img]) => {
                            ctx.drawImage(img, width, height)
                            height += img.height
                        })
                        width += imgs[0][0].width
                    })
                },
                transform.center
            )

            const move = {
                x: transform.translate.x - initPos.x,
                y: transform.translate.y - initPos.y,
            }
            const start = {
                x: initPos.x + move.x,
                y: initPos.y + move.y,
            }
            const end = {
                x: start.x + imgData.width * doScale[0],
                y: start.y + imgData.height * doScale[1],
            }

            canvas.position = [
                start,
                end,
                Math.abs(start.x - end.x) / resize,
                Math.abs(start.y - end.y) / resize
            ]

            canvas.resize = resize
            canvas.imgData = imgData
            canvas.imgBox = [
                canvas.posToReal(start),
                canvas.posToReal(end),
                Math.abs(start.x - end.x),
                Math.abs(start.y - end.y)
            ]
        }


    // 加载url
    const canvas = document.createElement('canvas')
    const loadImage = (map, args, itude) => {
        const imageCanvas = new ol.source.ImageCanvas({
            canvasFunction(extent, scale, _2, size) {
                const pos = itudeToCanvasPos(map, extent, itude)
                const imgData = { width: 0, height: 0 }
                args.img.forEach(imgs => {
                    let height = 0
                    imgs.forEach(([img]) => height += img.height)
                    imgData.width += imgs[0][0].width
                    if (imgData.height < height) {
                        imgData.height = height
                    }
                })
                console.log(scale, size)
                // pos.x -= imgData.width / 2 * scale
                // pos.y -= imgData.height / 2 * scale
                canvas.width = size[0];
                canvas.height = size[1]
                canvas.posToReal = genImgCanvasPosToReal(map, canvas);
                canvas.transform = genImgCanvasTransfrom(canvas, args.img, scale, pos, imageCanvas);
                canvas.itudeToReal = genImgCanvasItudeToReal(map, canvas, extent)
                canvas.transform({
                    ...args,
                    translate: {
                        x: (args.translate ? args.translate.x : 0) + pos.x,
                        y: (args.translate ? args.translate.y : 0) + pos.y
                    }
                })

                return canvas;
            }
        })
        const image = new ol.layer.Image({ source: imageCanvas })
        canvas.imageLayer = imageCanvas
        return {
            image,
            canvas
        }
    }


    // 返回本地url
    const blobImageLoad = (arrayImages, minWidth, minHeight) => {
        const analysis = (blob) => new Promise((resolve, reject) => {
            const url = typeof blob !== 'string' ?
                window.URL.createObjectURL(blob) :
                blob
            const img = new Image()

            img.onload = () => {
                if (img.width < minWidth || img.height < minHeight) {
                    reject('图片宽高需要大于512')
                } else {
                    resolve([img, url, blob])
                }
            }
            img.src = url
        })

        let arrasPromises = []
        for (let images of arrayImages) {
            let analys = []
            for (let bolb of images) {
                analys.push(analysis(bolb))
            }
            arrasPromises.push(
                Promise.all(analys)
            )
        }

        return Promise.all(arrasPromises)
    }


    // 获取逆转矩阵
    const getCanvasInverImatrix = $canvas => {
        const ctx = $canvas.getContext('2d')
        const transform = ctx.getTransform()
        return transform.invertSelf();
    }

    // canvas坐标转屏幕坐标
    const getCanvasToScreenPos = ($canvas, { x, y }) => {
        const {
            a,
            b,
            c,
            d,
            e,
            f
        } = getCanvasInverImatrix($canvas)

        const screenX = (c * y - d * x + d * e - c * f) / (b * c - a * d)
        const screenY = (y - screenX * b - f) / d

        return {
            x: Math.round(screenX),
            y: Math.round(screenY),
        }
    }

    // 屏幕坐标转canvas坐标
    const getScreenToCanvasPos = ($canvas, { x, y }) => {
        const {
            a,
            b,
            c,
            d,
            e,
            f
        } = getCanvasInverImatrix($canvas)

        return {
            x: Math.round(x * a + y * c + e),
            y: Math.round(x * b + y * d + f)
        };
    }


    const sceneName = window.location.pathname.split('/')[2]
    const isDev = !sceneName || sceneName === 'addDataSet.html'

    const sceneCode = isDev ? 't-kJ2PEjZ' : window.location.pathname.split('/')[2]
    const root = isDev ? `https://testlaser.4dkankan.com` : ''
    // const root = 'http://192.168.0.135:9294'
    const request = {
        uploadFiles(files) {
            const fromData = new FormData()
            files.forEach(({ dir, file }) => {
                fromData.append(dir, file)
            })
            return axios({
                headers: { 'Content-Type': 'multipart/form-data' },
                method: 'POST',
                data: fromData,
                url: `${root}/indoor/${sceneCode}/api/mapSmall/upload`
            })
        },
        getDetail() {
            return axios.post(`${root}/indoor/${sceneCode}/api/mapSmall/detail`)
        },
        updateCoord(data) {
            return axios.post(
                `${root}/indoor/${sceneCode}/api/update/coord`, { param: data }
            )
        },
        getSceneInfo() {
            return axios.get(`${root}/indoor/${sceneCode}/api/datasets`)
        }
    }

    const analysisFiles = (files) => {
        const imagesArray = []
        const formatError = () => {
            alert('目录不规范 请上传 z/x/y.png 格式目录，且在最底级目录放置图片文件')
        }

        let imagesXYZ = {}
        for (let dir in files) {
            let file = files[dir]
            let locals = dir.split(/[\\|//]/)
            if (locals.length < 3) return formatError()
            let current = imagesXYZ
            for (let i = 0; i < locals.length; i++) {
                let dir = locals[i]

                if (i !== locals.length - 1) {
                    if (!current[dir]) {
                        current[dir] = i === locals.length - 2 ? [] : {}
                    }
                    current = current[dir]

                    if (i === locals.length - 3) {
                        current.key = 'z'
                    }
                }

                if (i === locals.length - 1 && Array.isArray(current)) {
                    current.push(file)
                }
            }
        }

        (function analysis(updateXYZ) {
            if (updateXYZ.key === 'z') {
                imagesXYZ = updateXYZ
                return;
            }
            const names = Object.keys(updateXYZ).sort((a, b) => b - a)
            names.forEach(key => {
                if (key !== names[0]) {
                    delete updateXYZ[key]
                }
            })
            analysis(updateXYZ[names[0]])
        })(imagesXYZ);

        if (!(imagesXYZ && imagesXYZ.key === 'z' && !Array.isArray(imagesXYZ))) {
            return formatError()
        }

        for (let key in imagesXYZ) {
            if (!Array.isArray(imagesXYZ[key]) && key !== 'key') {
                return formatError()
            }
        }

        delete imagesXYZ.key

        const getNameNum = (str) => {
            let rg = str.match(/[\/\\]([^\/\\]*)?\.[^\/\\]*$/)
            return weight = rg ? parseInt(rg[1]) : 999
        }

        Object.keys(imagesXYZ).sort((a, b) => a - b).forEach(key => {
            imagesArray.push(
                imagesXYZ[key].sort((a, b) => {
                    let wa = typeof a === 'string' 
                        ? getNameNum(a) 
                        : parseInt(a.name)
                        
                    let wb = typeof b === 'string' 
                        ? getNameNum(b) 
                        : parseInt(b.name)
                    return wa - wb
                })
            )
        })


        return imagesArray
    }
    //  目录：<input type="file" @change="imageChange" directory webkitdirectory multiple>
    Vue.component('imageTranform', {
        props: ['mapOl'],
        name: 'imageTranform',
        template: `
      <div class="transform-layer"  @mousemove.stop.prevent="moveHandle"  @mouseup="upMove">
        <div class="upload-layer">
         
          单文件：<input type="file" @change="imageChange">
        </div>
        <div class="ctrls" :style="boxStyle" @mousedown.stop.prevent="startMove($event, 'move')"></div>
        <div class="cctrls" v-if="box.tl">
          <span class="tl" :style="{left: box.tl.x + 'px', top: box.tl.y + 'px'}" @mousedown.prevent.stop="startMove($event, 'scale', 'tl')"></span>
          <span class="tc" :style="{left: box.tc.x + 'px', top: box.tc.y + 'px'}" @mousedown.prevent.stop="startMove($event, 'scale', 'tc')"></span>
          <span class="tr" :style="{left: box.tr.x + 'px', top: box.tr.y + 'px'}" @mousedown.prevent.stop="startMove($event, 'scale', 'tr')"></span>
          <span class="rc" :style="{left: box.rc.x + 'px', top: box.rc.y + 'px'}" @mousedown.prevent.stop="startMove($event, 'scale', 'rc')"></span>
          <span class="lc" :style="{left: box.lc.x + 'px', top: box.lc.y + 'px'}" @mousedown.prevent.stop="startMove($event, 'scale', 'lc')"></span>
          <span class="br" :style="{left: box.br.x + 'px', top: box.br.y + 'px'}" @mousedown.prevent.stop="startMove($event, 'scale', 'br')"></span>
          <span class="bl" :style="{left: box.bl.x + 'px', top: box.bl.y + 'px'}" @mousedown.prevent.stop="startMove($event, 'scale', 'bl')"></span>
          <span class="bc" :style="{left: box.bc.x + 'px', top: box.bc.y + 'px'}" @mousedown.prevent.stop="startMove($event, 'scale', 'bc')"></span>
          <span class="cc" :style="{left: box.cc.x + 'px', top: box.cc.y + 'px'}" @mousedown.prevent.stop="startMove($event, 'rotate')"></span>
        </div>
        <div class="box-info" v-if="boxPos.tl">
          <div v-for="(item, key) in boxPos" :key="key">
            <span>{{key}}</span>
            <span>{{item}}</span>
          </div>
        </div>
      </div>
    `,
        data() {
            return {
                isHover: false,
                box: {},
                left: 0,
                top: 0
            }
        },
        methods: {
            imageChange(e) {
                const files = e.target.files;
                if (files && files[0]) {
                    const file = files[0];
                    // onload 里面不能用this
                    let img = new Image();
                    img.src = window.URL.createObjectURL(file);
                    img.onload = async () => {
                        if (img.width % 256 == 0 && img.height % 256 == 0) {
                            let imagesArray = []

                            if (e.target.files.length > 1) {
                                const files = {}
                                for (let file of e.target.files) {
                                    files[file.webkitRelativePath] = file
                                }
                                imagesArray = analysisFiles(files)
                            } else {
                                imagesArray = [
                                    [e.target.files[0]]
                                ]
                            }
                            if (this.imgCanvas) {
                                ctx = this.imgCanvas.getContext('2d')
                                ctx.clearRect(-10000, -10000, 10000, 10000)
                                this.imgCanvas.imageLayer.refresh()
                            }
                            await this.drawCanvas(imagesArray, [], {
                                lat: this.lat,
                                lon: this.lon
                            })
                        } else {
                            alert('图片宽高需为256的倍数')
                        }
                    };
                }



            },
            async drawCanvas(imagesArray, transfroms, { lat, lon } = {}) {
                try {
                    this.transfroms = transfroms || []
                    this.args = {
                        draw: (ctx) => {
                            this.drawIng = false
                            this.transfroms.forEach(transform => {
                                transform.forEach(({ translate, scale, rotate, center }) => {
                                    // 设置绘制颜色
                                    center && ctx.translate(center.x, center.y)
                                    translate && ctx.translate(translate.x, translate.y)
                                    rotate && ctx.rotate(rotate * (Math.PI / 180))
                                    scale && ctx.scale(scale[0], scale[1])
                                    center && ctx.translate(-center.x, -center.y)
                                    // if (center) {
                                    //   ctx.fillStyle = "geend";
                                    //     // 绘制成矩形
                                    //   ctx.fillRect(center.x, center.y, 100, 100);
                                    // }
                                })
                            })

                            setTimeout(() => {
                                this.updateBox(this.imgCanvas.imgBox)
                            })
                        },
                        file: imagesArray,
                        lon: lon || 113.59963069739054,
                        lat: lat || 22.364821730960752,
                        translate: { x: 0, y: 0 },
                        scale: [1, 1],
                        direction: 0
                    }
                    this.imgCanvas = await this.map.loadImage(this.args)
                } catch (e) {
                    console.error(e)
                    alert(e)
                }
            },
            updateBox() {
                const calcPos = pos => getCanvasToScreenPos(this.imgCanvas, pos)
                this.box = {
                    tl: this.imgCanvas.posToReal(calcPos({ x: 0, y: 0 })),
                    tc: this.imgCanvas.posToReal(calcPos({ x: this.imgCanvas.imgData.width / 2, y: 0 })),
                    tr: this.imgCanvas.posToReal(calcPos({ x: this.imgCanvas.imgData.width, y: 0 })),
                    rc: this.imgCanvas.posToReal(calcPos({ x: this.imgCanvas.imgData.width, y: this.imgCanvas.imgData.height / 2 })),
                    lc: this.imgCanvas.posToReal(calcPos({ x: 0, y: this.imgCanvas.imgData.height / 2 })),
                    br: this.imgCanvas.posToReal(calcPos({ x: this.imgCanvas.imgData.width, y: this.imgCanvas.imgData.height })),
                    bl: this.imgCanvas.posToReal(calcPos({ x: 0, y: this.imgCanvas.imgData.height })),
                    bc: this.imgCanvas.posToReal(calcPos({ x: this.imgCanvas.imgData.width / 2, y: this.imgCanvas.imgData.height })),
                    cc: this.imgCanvas.posToReal(calcPos({ x: this.imgCanvas.imgData.width / 2, y: this.imgCanvas.imgData.height / 2 })),
                }

                let maxX = this.box.tl.x
                let minX = this.box.tl.x
                let maxY = this.box.tl.y
                let minY = this.box.tl.y
                Object.values(this.box).forEach(({ x, y }) => {
                    x > maxX && (maxX = x)
                    y > maxY && (maxY = y)
                    x < minX && (minX = x)
                    y < minY && (minY = y)
                })
                this.box.width = Math.abs(maxX - minX)
                this.box.height = Math.abs(maxY - minY)
            },
            mapStartHandle() {
                this.mapDown = true
            },
            moveHandle(e) {
                if (!this.imgCanvas || !this.imgCanvas.imgBox) {
                    return;
                }
                if (this.moveing && this.oper) {
                    if (!this.time && !this.drawIng) {
                        this.move(e)
                        this.time = null
                    }
                } else {
                    this.mapDown && this.imgCanvas.imageLayer.refresh()
                    // const [start, end] = this.box

                    // this.isHover = e.clientX > start.x && e.clientX < end.x &&
                    //   e.clientY > start.y && e.clientY < end.y
                }
            },
            startMove(ev, oper, dir) {
                this.startTransform = {
                    ...this.args
                }
                this.transfroms.push([])
                this.moveing = true
                this.oper = oper
                this.dir = dir
                this.startMovePos = {
                    x: ev.clientX,
                    y: ev.clientY
                }
            },
            move(ev) {
                if (!this.moveing || this.drawIng) return;
                const transfrom = this.transfroms[this.transfroms.length - 1]
                const start = getScreenToCanvasPos(
                    this.imgCanvas,
                    this.startMovePos
                )
                const end = getScreenToCanvasPos(
                    this.imgCanvas, { x: ev.clientX, y: ev.clientY }
                )
                const move = {
                    x: end.x - start.x,
                    y: end.y - start.y
                }


                if (this.oper === 'move') {
                    transfrom.length = 0
                    transfrom.push({ translate: move })
                } else if (this.oper === 'scale') {

                    const doScale = (transfrom && transfrom[0] && transfrom[0].scale) || [1, 1]
                    move.x = move.x * doScale[0]
                    move.y = move.y * doScale[1]
                    const width = this.imgCanvas.position[2]
                    const height = this.imgCanvas.position[3]
                    let xScale, yScale

                    switch (this.dir) {
                        case 'tl':
                            xScale = (width - move.x) / width
                            yScale = (height - move.y) / height
                            if (xScale < yScale) {
                                yScale = xScale
                            } else {
                                xScale = yScale
                            }
                            if (xScale > 0 && yScale > 0) {
                                transfrom.length = 0
                                transfrom.push({
                                    scale: [xScale, yScale],
                                    center: { x: this.imgCanvas.position[2], y: this.imgCanvas.position[3] }
                                })
                            }
                            break;
                        case 'tc':
                            yScale = (height - move.y) / height
                            if (yScale > 0) {
                                transfrom.length = 0
                                transfrom.push({
                                    scale: [1, yScale],
                                    center: { x: 0, y: this.imgCanvas.position[3] }
                                })
                            }
                            break;
                        case 'tr':
                            xScale = (width + move.x) / width
                            yScale = (height - move.y) / height
                            if (xScale > yScale) {
                                yScale = xScale
                            } else {
                                xScale = yScale
                            }
                            if (xScale > 0 && yScale > 0) {
                                transfrom.length = 0
                                transfrom.push({
                                    scale: [xScale, yScale],
                                    center: { x: 0, y: this.imgCanvas.position[3] }
                                })
                            }
                            break;
                        case 'rc':
                            xScale = (width + move.x) / width
                            if (xScale > 0) {
                                transfrom.length = 0
                                transfrom.push({
                                    scale: [xScale, 1],
                                    center: { x: 0, y: this.imgCanvas.position[3] }
                                })
                            }
                            break;
                        case 'lc':
                            xScale = (width - move.x) / width
                            if (xScale > 0) {
                                transfrom.length = 0
                                transfrom.push({
                                    scale: [xScale, 1],
                                    center: { x: this.imgCanvas.position[2], y: this.imgCanvas.position[3] }
                                })
                            }
                            break;
                        case 'br':
                            xScale = (width + move.x) / width
                            yScale = (height + move.y) / height
                            if (xScale < yScale) {
                                yScale = xScale
                            } else {
                                xScale = yScale
                            }
                            if (xScale > 0 && yScale > 0) {
                                transfrom.length = 0
                                transfrom.push({
                                    scale: [xScale, yScale],
                                    center: { x: 0, y: 0 }
                                })
                            }
                            break;
                        case 'bl':
                            xScale = (width - move.x) / width
                            yScale = (height + move.y) / height
                            if (xScale < yScale) {
                                yScale = xScale
                            } else {
                                xScale = yScale
                            }
                            if (xScale > 0 && yScale > 0) {
                                transfrom.length = 0
                                transfrom.push({
                                    scale: [xScale, yScale],
                                    center: { x: this.imgCanvas.position[2], y: 0 }
                                })
                            }
                            break;
                        case 'bc':
                            yScale = (height + move.y) / height
                            if (yScale > 0) {
                                transfrom.length = 0
                                transfrom.push({
                                    scale: [1, yScale],
                                    center: { x: 0, y: 0 }
                                })
                            }
                            break;
                    }
                } else if (this.oper === 'rotate') {
                    let move = ev.clientX - this.startMovePos.x
                    let height = this.imgCanvas.position[3]
                    let width = this.imgCanvas.position[2]
                    let center = { x: width / 2, y: height / 2 }

                    // let zrotate = transfrom.
                    transfrom.length = 0
                    transfrom.push({
                        rotate: move / 3,
                        center: center
                    })
                }
                // this.startMovePos = {
                //     x: ev.clientX,
                //     y: ev.clientY
                // }
                this.drawIng = true
                this.imgCanvas.imageLayer.refresh()
            },
            upMove() {
                this.moveing = false
                this.mapDown = false
                this.oper = null
                this.dir = null
                this.startMovePos = null


            },
            uploadData() {
                if (!this.args) {
                    return Promise.resolve(true)
                }

                const promises = []
                const files = []
                for (let i = 0; i < this.args.img.length; i++) {
                    const images = this.args.img[i]
                    for (let j = 0; j < images.length; j++) {
                        const file = images[j][2]
                        if (typeof file !== 'string') {
                            const suffix = file.type.substr(file.type.indexOf('/') + 1)
                            files.push({ dir: `${i}/${j}.${suffix}`, file })
                        }
                    }
                }

                if (files.length) {
                    if (files.length === 1) {
                        const file = files[0]
                        files.length = 0
                        files.push({
                            ...file,
                            dir: file.file.name
                        })
                    }
                    promises.push(
                        request.uploadFiles(files)
                    )
                }

                promises.push(
                    request.updateCoord({
                        ...this.boxPos,
                        transfroms: this.transfroms
                    })
                )
                return Promise.all(promises)
            },
            getInfo() {
                return {
                    pos: this.boxPos,
                    img: this.args.img
                }
            }
        },
        computed: {
            boxStyle() {
                if (this.box && Object.keys(this.box).length) {
                    const box = this.box
                    return {
                        width: box.width + 20 + 'px',
                        height: box.height + 20 + 'px',
                        left: box.cc.x + 'px',
                        top: box.cc.y + 'px'
                    }
                } else {
                    return {}
                }
            },
            boxPos() {
                if (this.box && Object.keys(this.box).length) {
                    const ret = {}
                    for (let key in this.box) {
                        if (key !== 'width' && key !== 'height') {
                            ret[key] = this.map.screenToLatlan(this.box[key])
                        }
                    }
                    let rotate = 0
                    let scale = {x: 1, y: 1}
                    this.transfroms.forEach(items => {
                        items.forEach(item => {
                            if (item.rotate) {
                                rotate = Number((rotate + Number(item.rotate)).toFixed(2))
                            }
                            if (item.scale) {
                                scale.x *= item.scale[0]
                                scale.y *= item.scale[1]
                            }
                        })
                    })
                    ret.rotate = rotate
                    ret.scale = scale
                    let ctx = this.imgCanvas.getContext('2d')
                    let key = ['a', 'b', 'c', 'd', 'e', 'f']
                    let imatrix = ctx.getTransform()
                    ret.imatrix = {}
                    key.forEach(k => ret.imatrix[k] = imatrix[k])
                    return ret
                } else {
                    return {}
                }
            }
        },
        mounted() {
            Promise.all([
                request.getDetail(),
                request.getSceneInfo()
            ]).then(async ([res1, res2]) => {
                const {
                    path,
                    position
                } = res1.data.data
                const { location } = res2.data[0]

                if (path && path.length > 0) {
                    const files = {}
                    path.forEach(path => (files[path] = root + path))
                    await this.drawCanvas(
                        analysisFiles(files),
                        position ? position.transfroms : [], {
                        lat: location[1],
                        lon: location[0],
                    }
                    )
                }

                this.lat = location[1]
                this.lon = location[0]
            })

            document.documentElement.addEventListener('mousemove', ev => {
                ev.stopPropagation()
                ev.preventDefault()
                this.moveHandle.bind(this)(ev)
                // this.move.bind(this)(ev)
            })
            document.documentElement.addEventListener('mousedown', ev => {
                this.mapStartHandle.bind(this)(ev)
            })
            document.documentElement.addEventListener('mouseup', ev => {
                ev.stopPropagation()
                ev.preventDefault()
                this.upMove.bind(this)()
            })
            this.map = initMap(this.mapOl)

        }
    })
})();