阅片页面下载更改

package-lock.json

@@ -21838,7 +21838,7 @@
     },
     "node_modules/unzipit": {
       "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/unzipit/-/unzipit-2.0.3.tgz",
+      "resolved": "https://registry.npmmirror.com/unzipit/-/unzipit-2.0.3.tgz",
       "integrity": "sha512-e6+ftgSQRj9Hwf2mIWFwYIGqBoKV7AziG/d7pep2Uv3NCzHbhLO5d9dGRwpahVlnpQ7aQC+5kWk72dnWocdYyA==",
       "license": "MIT",
       "engines": {

src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue

@@ -1057,7 +1057,7 @@ export default {
 
     this.trialId = this.$route.query.trialId
     this.readingTaskState = this.taskInfo.ReadingTaskState
-    if (!this.taskInfo.IsBaseLine && this.taskInfo.IsReadingTaskViewInOrder !== 0) {
+    if ((!this.taskInfo.IsBaseLine && this.taskInfo.IsReadingTaskViewInOrder === 1) || this.taskInfo.IsReadingTaskViewInOrder === 2) {
       this.rows = 1
       this.cols = 2
       this.activeViewportIndex = 1
@@ -1425,7 +1425,11 @@ export default {
 
       if (activeStudyIndex > -1 && activeSeriesIndex > -1) {
         seriesArr.map((i, index) => {
-          this.$refs[`${this.viewportKey}-${index}`][0].setSeriesInfo(i)
+          const allowInitPrefetch = i.TaskInfo.IsCurrentTask === true && index === this.activeViewportIndex
+          this.$refs[`${this.viewportKey}-${index}`][0].setSeriesInfo(i, false, {
+            limitInitPrefetch: allowInitPrefetch,
+            skipInitPrefetch: !allowInitPrefetch
+          })
         })
         const visitTaskId = this.visitTaskList[this.activeTaskIndex].VisitTaskId
         this.lastViewportTaskId = visitTaskId
@@ -1436,7 +1440,7 @@ export default {
     // 初始化加载器
     async initLoader() {
       await initLibraries()
-      cache.setMaxCacheSize(6 * 1024 * 1024 * 1024)
+      cache.setMaxCacheSize(4 * 1024 * 1024 * 1024)
       let renderingEngine = getRenderingEngine(renderingEngineId)
       if (!renderingEngine) {
         renderingEngine = new RenderingEngine(renderingEngineId)

src/views/trials/trials-panel/reading/dicoms3D/components/Viewport.vue

@@ -103,6 +103,7 @@ import { getPTImageIdInstanceMetadata } from '@/views/trials/trials-panel/readin
 import ptScalingMetaDataProvider from '@/views/trials/trials-panel/reading/dicoms/components/Fusion/js/ptScalingMetaDataProvider'
 import { calculateSUVScalingFactors } from '@cornerstonejs/calculate-suv'
 import { vec3 } from 'gl-matrix'
+const InitPrefetchMaxBytes = 2 * 1024 * 1024 * 1024
 export default {
   name: 'ImageViewport',
   props: {
@@ -159,7 +160,8 @@ export default {
       wwwcIdx: 2,
       loading: false,
       forceFitToWindow: false,
-      resizeObserver: null
+      resizeObserver: null,
+      instanceFileSizeMap: {}
     }
   },
   mounted() {
@@ -210,6 +212,9 @@ export default {
     },
     stackNewImage(e) {
       const { detail } = e
+      if (this.series?.Modality === 'PT' && detail?.image) {
+        this.cachePTMetadata([detail.image])
+      }
       this.series.SliceIndex = detail.imageIdIndex
       this.sliderInfo.height = detail.imageIdIndex * 100 / (this.series.Stack.length - 1)
       const renderingEngine = getRenderingEngine(this.renderingEngineId)
@@ -475,10 +480,57 @@ export default {
 
       viewport.render()
     },
-    async prefetchMetadataInformation(imageIdsToPrefetch, modality) {
+    formatBytes(bytes) {
+      const size = Number(bytes)
+      if (!Number.isFinite(size) || size <= 0) return '0 B'
+      if (size >= 1024 * 1024 * 1024) return `${(size / 1024 / 1024 / 1024).toFixed(2)} GB`
+      if (size >= 1024 * 1024) return `${(size / 1024 / 1024).toFixed(2)} MB`
+      if (size >= 1024) return `${(size / 1024).toFixed(2)} KB`
+      return `${size} B`
+    },
+    getImageInstanceId(imageId) {
+      try {
+        const rawImageId = imageId.includes(':') ? imageId.slice(imageId.indexOf(':') + 1) : imageId
+        const queryIndex = rawImageId.indexOf('?')
+        if (queryIndex === -1) return ''
+        const searchParams = new URLSearchParams(rawImageId.slice(queryIndex + 1))
+        return searchParams.get('instanceId') || ''
+      } catch (error) {
+        return ''
+      }
+    },
+    buildInstanceFileSizeMap() {
+      console.log('buildInstanceFileSizeMap')
+      const fileSizeMap = {}
+      const instanceList = this.series?.InstanceInfoList || []
+      instanceList.forEach((item) => {
+        const instanceId = item?.Id
+        const fileSize = Number(item.FileSize)
+        if (instanceId !== undefined && instanceId !== null && fileSize > 0) {
+          fileSizeMap[String(instanceId)] = fileSize
+        }
+      })
+      this.instanceFileSizeMap = fileSizeMap
+    },
+    getImageFileSizeByImageId(imageId) {
+      const instanceId = this.getImageInstanceId(imageId)
+      if (!instanceId) return 0
+      const fileSize = Number(this.instanceFileSizeMap[String(instanceId)] || 0)
+      return Number.isFinite(fileSize) && fileSize > 0 ? fileSize : 0
+    },
+    async prefetchMetadataInformation(imageIdsToPrefetch, modality, initialLoadedBytes = 0, enableInitPrefetchLimit = false) {
+      let totalLoadedBytes = Number.isFinite(initialLoadedBytes) && initialLoadedBytes > 0 ? initialLoadedBytes : 0
       let taskPromises = []
       for (let i = 0; i < imageIdsToPrefetch.length; i++) {
+        const imageId = imageIdsToPrefetch[i]
+        const nextImageBytes = this.getImageFileSizeByImageId(imageId)
+        // 初始化预取累计超过 2G 后停止，剩余切片在用户滚动时按需加载
+        if (enableInitPrefetchLimit && (totalLoadedBytes >= InitPrefetchMaxBytes || (nextImageBytes > 0 && totalLoadedBytes + nextImageBytes > InitPrefetchMaxBytes))) {
+          console.info(`[Viewport] 初始化预取累计下载达到 ${this.formatBytes(totalLoadedBytes)}，停止继续预取。`)
+          break
+        }
         taskPromises.push(cornerstoneDICOMImageLoader.wadouri.loadImage(imageIdsToPrefetch[i]).promise)
+        totalLoadedBytes += nextImageBytes
         if (taskPromises.length >= 6 || i === imageIdsToPrefetch.length - 1) {
           let res = await Promise.all(taskPromises)
           if (modality === 'PT') {
@@ -500,7 +552,7 @@ export default {
         }
       })
     },
-    async setSeriesInfo(obj, isLocate = false) {
+    async setSeriesInfo(obj, isLocate = false, option = {}) {
       try {
         if (this.series && obj.Id === this.series.Id && obj.Description === this.series.Description && !isLocate) {
           obj.SliceIndex = this.series.SliceIndex
@@ -510,6 +562,7 @@ export default {
         if (isSameSeries && this.series?.Stack && obj.Stack[obj.SliceIndex] === this.series.Stack[this.series.SliceIndex]) return
         this.toggleClipPlay(false)
         this.series = { ...obj }
+        this.buildInstanceFileSizeMap()
         const renderingEngine = getRenderingEngine(this.renderingEngineId)
         const viewport = renderingEngine.getViewport(this.viewportId)
         let imageId = obj.ImageIds[obj.SliceIndex] ? obj.ImageIds[obj.SliceIndex] : obj.ImageIds[0]
@@ -519,7 +572,12 @@ export default {
         if (obj.Modality === 'PT') {
           this.cachePTMetadata([image])
         }
-        this.prefetchMetadataInformation(obj.ImageIds, obj.Modality)
+        const currentImageIndex = obj.ImageIds[obj.SliceIndex] ? obj.SliceIndex : 0
+        const initialLoadedBytes = this.getImageFileSizeByImageId(imageId)
+        const prefetchImageIds = obj.ImageIds.filter((item, index) => index !== currentImageIndex)
+        if (option.skipInitPrefetch !== true) {
+          this.prefetchMetadataInformation(prefetchImageIds, obj.Modality, initialLoadedBytes, option.limitInitPrefetch === true)
+        }
         await viewport.setStack(this.series.Stack, obj.SliceIndex)
         this.syncViewportStaticState()