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基于cornerstone3D的dicom影像浏览器第二十二章 mpr + vr

news 2025/5/28 4:54:32

系列文章目录

第一章下载源码运行cornerstone3D example
第二章修改示例crosshairs的图像源
第三章 vite+vue3+cornerstonejs项目创建
第四章加载本地文件夹中的dicom文件并归档
第五章 dicom文件生成png，显示检查栏，序列栏
第六章 stack viewport 显示dicom序列
第七章在Displayer四个角落显示文字
第八章在Displayer中显示图像方位
第九章自动加载、清空显示、修改布局
第十章显示标尺
第十一章测量工具
第十二章镜像、负像、旋转、伪彩、复位
第十三章自定义垂直滚动条
第十四章参考线、同步调窗、同步缩放、同步移动
第十五章预设窗值
第十六章工具栏svg按钮
第十七章同步滚动
第十八章自定义序列自动播放条
第十九章显示overlay
第二十章显示多帧图
第二十一章显示DICOM TAGS

文章目录

系列文章目录
前言
一、程序结构
- 1. view3d.vue
- 2. DisplayerArea3D.vue
- 3. mprvr.js
二、代码
- 1. view3d.vue
- 2. DisplayerArea3D.vue
- 3. mprvr.js
- - 1）init函数
  - 2）loadImages函数
  - 3）getSliceCount, getSliceIndex 函数
  - 4） resize函数
  - 5） bindRenderEvent, bindCameraEvent
  - 6）destory函数
  - getDicomInfo函数
总结

前言

实现一个简单的mpr + vr 功能。
cornerstone3D已经全都实现了，修改为自己的界面。
查看官方示例-cursor3d
cornerstonejs源码位置packages\tools\examples\cursor3D\index.ts
效果如下：
在这里插入图片描述

一、程序结构

1. view3d.vue

包含Toolbar3d.vue组件和DispalyerArea3D.vue组件
Toolbar3d.vue与前面章节中的Toolbar.vue组件一样，主要放置一些操作按钮

2. DisplayerArea3D.vue

包含四个窗口div: axial, sagittal, coronal, vr
cornerstone3D相关的函数全写到mprvr.js中，由DisplayerArea3D.vue调用

3. mprvr.js

实现MPR类，整理了下官方示例-curso3d中的代码，方便调用

二、代码

1. view3d.vue

<script setup name="View3d">
import { ref, onMounted, computed, watch } from "vue";
import { useRoute } from "vue-router";
import DisplayerArea3D from "../components/DisplayerArea3D.vue";
import Toolbar3D from "../components/Toolbar3D.vue";
import { useArchiveStore } from "../stores/archive";
import { useAppStore } from "../stores/appStore";
import { storeToRefs } from "pinia";const archiveStore = useArchiveStore();
const appStore = useAppStore();const route = useRoute();
const view3d = ref(null);
const displayArea = ref(null);
const toolbar = ref(null);
const toolbarHW = ref(300);const { toolbarPos, navbarPos } = storeToRefs(appStore);const mainClass = computed(() => {const vorh = toolbarPos.value === "top" ? "vertical" : "horizontal-reverse";return "flex-" + vorh;
});const toolbarClass = computed(() => {return "toolbar-" + toolbarPos.value;
});const toolbarStyle = computed(() => {if (toolbarPos.value === "top") {return {height: toolbarHW.value + "px"};} else {return {width: toolbarHW.value + "px"};}
});function resizeToolbar(e) {e.stopPropagation();view3d.value.style.cursor = "ew-resize";view3d.value.onmousemove = function (e) {let delta, minVal, maxVal;if (toolbarPos.value === "top") {delta = e.movementY;minVal = 146;maxVal = 220;} else {delta = -e.movementX;minVal = 110;maxVal = 520;}const value = toolbarHW.value + delta;if (value < minVal || value > maxVal) return;toolbarHW.value = value;};document.onmouseup = function () {view3d.value.onmousemove = null;document.onmouseup = null;view3d.value.style.cursor = "";};
}async function OnToolbarAction(action) {switch (action.name) {case "layoutMpr":displayArea.value.setLayout("layoutmpr");break;case "layoutMprVr":displayArea.value.setLayout("layoutmprvr");break;default:break;}
}</script><template><div class="container flex-vertical" ref="view3d" @contextmenu.prevent><div class="main" :class="mainClass"><div :class="toolbarClass" :style="toolbarStyle"><Toolbar3D ref="toolbar" @action="OnToolbarAction" /></div><div class="resizer-vertical" @mousedown="resizeToolbar"></div><div class="display-area"><DisplayerArea3D ref="displayArea" /></div></div><div class="footer">Statusbar</div></div>
</template><style scoped lang="scss">
$bg-color: #333;
$main-color: lightblue;
$header-color: #45b7ec;
$footer-color: #45b7ec;
$resizer-width: 2px;
$header-height: 100px;
$footer-height: 34px;.container {background-color: $bg-color;height: 100vh;width: 100vw;max-width: 100%;max-height: 100%;justify-content: center;color: black;user-select: none;
}.flex-vertical {display: flex;flex-direction: column;
}.flex-vertical-reverse {display: flex;flex-direction: column-reverse;
}.flex-horizontal {display: flex;flex-direction: row;
}.flex-horizontal-reverse {display: flex;flex-direction: row-reverse;
}.resizer-vertical {cursor: ew-resize;width: $resizer-width;background-color: gray;flex-shrink: 0;z-index: 10;
}.resizer-horizontal {cursor: ns-resize;height: $resizer-width;background-color: gray;width: 100%;flex-shrink: 0;z-index: 10;
}.main {width: 100%;height: 100%;background-color: $main-color;.toolbar-top {height: 200px;width: 100%;}.toolbar-right {width: 200px;height: 100%;flex-shrink: 0;}.display-area {flex: 1;flex-shrink: 0;}
}.footer {background-color: $footer-color;height: $footer-height;border-top: gray solid 1px;
}
</style>

2. DisplayerArea3D.vue

包含四个窗口div: axial, sagittal, coronal, vr
cornerstone3D相关的函数全写到mprvr.js中，由DisplayerArea3D.vue调用

<template><divclass="container3d"ref="elContainer"v-loading="loading"element-loading-text="正在处理..."element-loading-background="rgba(0, 0, 0, 0.8)"@mousedown.prevent="OnSelectView"><div class="axialparent" :style="axialStyle" v-show="showAxial"><div ref="elAxial" class="sliceview" @contextmenu.prevent><h4 class="desc">Axial</h4><span class="text_studyinfo">{{ studyInfo }}</span><span class="text_wwwc">{{ axialText.wwwc }}</span><span class="text_slice">{{ axialText.slice }}</span><span class="orient_top">{{ axialText.orient.top }}</span><span class="orient_bottom">{{ axialText.orient.bottom }}</span><span class="orient_left">{{ axialText.orient.left }}</span><span class="orient_right">{{ axialText.orient.right }}</span></div></div><div class="vrcprparent" v-show="showVR" @dblclick="OnDbClick"><div ref="elVR" class="sliceview" @contextmenu.prevent><h4 class="desc">VR</h4><span class="text_studyinfo">{{ studyInfo }}</span></div></div><div class="sagittalparent" v-show="showSagittal"><div ref="elSagittal" class="sliceview" @contextmenu.prevent><h4 class="desc">Sagittal</h4><span class="text_studyinfo">{{ studyInfo }}</span><span class="text_wwwc">{{ sagittalText.wwwc }}</span><span class="text_slice">{{ sagittalText.slice }}</span><span class="orient_top">{{ sagittalText.orient.top }}</span><span class="orient_bottom">{{ sagittalText.orient.bottom }}</span><span class="orient_left">{{ sagittalText.orient.left }}</span><span class="orient_right">{{ sagittalText.orient.right }}</span></div></div><div class="coronalparent" v-show="showCoronal"><div ref="elCoronal" class="sliceview" @contextmenu.prevent><h4 class="desc">Coronal</h4><span class="text_studyinfo">{{ studyInfo }}</span><span class="text_wwwc">{{ coronalText.wwwc }}</span><span class="text_slice">{{ coronalText.slice }}</span><span class="orient_top">{{ coronalText.orient.top }}</span><span class="orient_bottom">{{ coronalText.orient.bottom }}</span><span class="orient_left">{{ coronalText.orient.left }}</span><span class="orient_right">{{ coronalText.orient.right }}</span></div></div></div>
</template><script setup name="DisplayerArea3D">
import { ref, onMounted, onBeforeUnmount, computed, reactive, watch, onUnmounted } from "vue";
import MPR from "../cornerstone3D/mprvr.js";
import { ViewportId, getDicomInfo } from "../cornerstone3D/mprvr.js";
import { useAppStore } from "../stores/appStore";
import { storeToRefs } from "pinia";const appStore = useAppStore();
const { currentDisplayer } = storeToRefs(appStore);let theMPR = null;
const loading = ref(false);
const layout = reactive({type: "layoutmprvr",viewIds: [],maxViewId: null
});let resizeObserver = null;const studyInfo = ref("");
const defWL = ref(40);
const defWW = ref(400);
const showAxial = ref(true);
const showSagittal = ref(true);
const showCoronal = ref(true);
const showVR = ref(true);
const currentViewportId = ref("");const elContainer = ref(null);
const elAxial = ref(null);
const elSagittal = ref(null);
const elCoronal = ref(null);
const elVR = ref(null);const cornerText = reactive({[ViewportId.AXIAL]: {wwwc: "",slice: "",orient: {top: "",bottom: "",left: "",right: ""}},[ViewportId.SAGITTAL]: {wwwc: "",slice: "",orient: {top: "",bottom: "",left: "",right: ""}},[ViewportId.CORONAL]: {wwwc: "",slice: "",orient: {top: "",bottom: "",left: "",right: ""}}
});const axialText = computed(() => {return cornerText[ViewportId.AXIAL];
});
const sagittalText = computed(() => {return cornerText[ViewportId.SAGITTAL];
});const coronalText = computed(() => {return cornerText[ViewportId.CORONAL];
});const axialStyle = computed(() => {if (layout.type == "layoutmpr") {return {gridRowStart: 1,gridColumnStart: 2,gridRowEnd: 3,gridColumnEnd: 3};} else if (layout.type == "layoutmprvr") {return {gridRowStart: 1,gridColumnStart: 1,gridRowEnd: 2,gridColumnEnd: 2};}
});watch(() => layout.type,(newVal, oldVal) => {layout.viewIds.length = 0;if (newVal === "layoutmpr") {showAxial.value = true;showSagittal.value = true;showCoronal.value = true;showVR.value = false;} else if (newVal === "layoutmprvr") {showAxial.value = true;showSagittal.value = true;showCoronal.value = true;showVR.value = true;}if (showAxial.value) {layout.viewIds.push(ViewportId.AXIAL);}if (showSagittal.value) {layout.viewIds.push(ViewportId.SAGITTAL);}if (showCoronal.value) {layout.viewIds.push(ViewportId.CORONAL);}if (showVR.value) {layout.viewIds.push(ViewportId.VOLUME);}resizeViews();}
);const setLayout = type => {layout.type = type;
};const renderHandler = e => {UpdateText(e);
};const UpdateText = e => {const { viewportId } = e.detail;const wwwl = theMPR.getWindow(viewportId);const text = `WL: ${wwwl.windowCenter} WW: ${wwwl.windowWidth}`;const sliceCount = theMPR.getSliceCount(viewportId);const sliceIdx = theMPR.getSliceIndex(viewportId);const sliceText = `Im: ${sliceIdx + 1} / ${sliceCount}`;cornerText[viewportId].wwwc = text;cornerText[viewportId].slice = sliceText;
};const onSelectView = e => {const elem = e.target.closest(".sliceview");if (!elem) {return;}currentViewportId = elem.getAttribute("data-viewport-uid");
};const load = async () => {const imageIds = currentDisplayer.value.getImageIds();loading.value = true;const info = await getDicomInfo(imageIds[0]);studyInfo.value = info.studyInfo;defWL.value = info.defWL;defWW.value = info.defWW;theMPR.loadImages(imageIds).then(() => {loading.value = false;});
};const resizeViews = () => {const resizeTimer = setTimeout(() => {theMPR.resize(layout.viewIds, layout.maxViewId);clearTimeout(resizeTimer);}, 100);
};defineExpose({setLayout,
});onMounted(() => {theMPR = new MPR({elAxial: elAxial.value,elSagittal: elSagittal.value,elCoronal: elCoronal.value,elVR: elVR.value});load();theMPR.bindRenderEvent(renderHandler);});onBeforeUnmount(() => {theMPR.destroy();theMPR = null;
});
</script><style lang="scss" scoped>
$font-size: 14px;
@mixin text() {position: absolute;color: white;font-size: $font-size;font-family: Arial, Helvetica, sans-serif;text-align: left;z-index: 10;
}@mixin orient($text-align: left) {position: absolute;color: white;font-size: $font-size;text-align: $text-align;z-index: 10;
}.container3d {display: grid;grid-template-columns: 1fr 1fr;grid-template-rows: 1fr 1fr;grid-gap: 1px 1px;height: 100%;background-color: black;color: #fff;
}:deep(.el-loading-spinner) {font-size: 80px;font-weight: bold;
}:deep(.el-loading-mask .el-loading-spinner .el-loading-text) {font-size: 20px;
}.desc {@include text();top: 2px;left: 2px;
}.text_studyinfo {@include text();top: 24px;left: 2px;
}.text_wwwc {@include text();top: 2px;right: 2px;
}.text_slice {@include text();top: 24px;right: 2px;
}.orient_top {@include orient(center);top: 2px;left: calc(50% - 30px);width: 60px;
}.orient_bottom {@include orient(center);bottom: 2px;left: calc(50% - 30px);width: 60px;
}.orient_left {@include orient();top: calc(50% - 20px);left: 2px;
}.orient_right {@include orient();top: calc(50% - 20px);right: 2px;
}.axialparent {padding: 1px;border: 1px solid rgb(135, 206, 250);background-color: black;
}.sagittalparent {padding: 1px;border: 1px solid red;background-color: black;
}.coronalparent {padding: 1px;border: 1px solid green;background-color: black;
}.vrcprparent {padding: 1px;border: 1px solid white;background-color: black;
}.sliceview {position: relative;width: 100%;height: 100%;
}</style>

3. mprvr.js

把官方示例中的代码整理成一个类， MPR

1）init函数

创建toolGroup，管理mpr三个窗口的操作工具，添加工具WindowLevelTool、CrosshairsTool、PanTool、ZoomTool、StackScrollTool
创建vrToolGroup，管理vr窗口操作工具，添加工具TrackballRotateTool、ZoomTool、PanTool
创建renderingEngine
定义mpr三个 ViewportType.ORTHOGRAPHIC类型窗口, 方向分别为：Enums.OrientationAxis.AXIAL，Enums.OrientationAxis.CORONAL，Enums.OrientationAxis.SAGITTAL
定义vr 一个ViewportType.VOLUME_3D类型窗口，方向指定为Enums.OrientationAxis.CORONAL

2）loadImages函数

加载imageIds, 生成volume数据
四个窗口添加到renderingEngine
激活窗口操作工具
绘制窗口，设置vr窗口配色方案

3）getSliceCount, getSliceIndex 函数

获取mpr窗口slice位置，显示在右上角

4） resize函数

窗口尺寸变化时，调用此函数重绘，否则显示的图像比例变形

5） bindRenderEvent, bindCameraEvent

用于绑定cornerstone3D 中的IMAGE_RENDERED, CAMERA_MODIFIED事件
IMAGE_RENDERED发生时调用UpdateText可以绘制四个角落的文字
CAMERA_MODIFIED发生时可能mpr的三个窗口方向发生变化，用于以后更新方位文字

6）destory函数

删除绑定元素，清理缓存

getDicomInfo函数

获取姓名，性别、年龄等信息，显示在窗口右上角

import {RenderingEngine,Enums,setVolumesForViewports,volumeLoader,getRenderingEngine,eventTarget,getEnabledElement,utilities as csUtils,cache,imageLoader
} from "@cornerstonejs/core";
import { Enums as toolsEnums, utilities } from "@cornerstonejs/tools";import cornerstoneDICOMImageLoader from "@cornerstonejs/dicom-image-loader";
import * as cornerstoneTools from "@cornerstonejs/tools";import { readTagAsString, decodeChinese, desensitizeSubstring } from "@/utils";import { renderingEngineId } from "../cornerstone3D";const {ToolGroupManager,Enums: csToolsEnums,TrackballRotateTool,StackScrollTool,WindowLevelTool,PanTool,ZoomTool,
} = cornerstoneTools;const { MouseBindings, KeyboardBindings } = csToolsEnums;
const { ViewportType } = Enums;
const { IMAGE_RENDERED, CAMERA_MODIFIED, VOI_MODIFIED } = Enums.Events;const ViewportId = Object.freeze({AXIAL: "DICOM3D_AXIAL",SAGITTAL: "DICOM3D_SAGITTAL",CORONAL: "DICOM3D_CORONAL",VOLUME: "DICOM3D_VOLUME"
});const idAxial = ViewportId.AXIAL;
const idSagittal = ViewportId.SAGITTAL;
const idCoronal = ViewportId.CORONAL;
const idVolume = ViewportId.VOLUME;const volumeId = "DICOM3D_VOLUME_ID";
const viewportIds = [idAxial, idSagittal, idCoronal, idVolume];
const mprViewportIds = [idAxial, idSagittal, idCoronal];const cameraSynchronizerId = "CAMERA_SYNCHRONIZER_ID";
const voiSynchronizerId = "VOI_SYNCHRONIZER_ID";
const toolGroupId = "MPR_TOOLGROUP_ID";
const vrToolGroupId = "VR_TOOL_GROUP_ID";const viewportColors = {[idAxial]: "rgb(135, 206, 250)",[idSagittal]: "rgb(255, 0, 0)",[idCoronal]: "rgb(0, 255, 0)",[idVolume]: "rgb(128, 128, 128)"
};const viewportReferenceLineControllable = [idAxial, idSagittal, idCoronal, idVolume];
const viewportReferenceLineDraggableRotatable = [idAxial, idSagittal, idCoronal, idVolume];
const viewportReferenceLineSlabThicknessControlsOn = [idAxial, idSagittal, idCoronal, idVolume];function getReferenceLineColor(viewportId) {return viewportColors[viewportId];
}function getReferenceLineControllable(viewportId) {const index = viewportReferenceLineControllable.indexOf(viewportId);return index !== -1;
}function getReferenceLineDraggableRotatable(viewportId) {const index = viewportReferenceLineDraggableRotatable.indexOf(viewportId);return index !== -1;
}
function getReferenceLineSlabThicknessControlsOn(viewportId) {const index = viewportReferenceLineSlabThicknessControlsOn.indexOf(viewportId);return index !== -1;
}export default class MPR {constructor(params) {this.toolGroup = null;this.vrToolGroup = null;this.renderingEngine = null;this.registered = false;this.viewportInputArray = null;this.crosshairsToolActive = true;this.loaded = false;this.selecteToolName = "";this.params = params;this.volume = null;this.init(params);}init(config = {}) {const { elAxial, elSagittal, elCoronal, elVR } = config;cornerstoneTools.addTool(CrosshairsTool);cornerstoneTools.addTool(TrackballRotateTool);cornerstoneTools.addTool(ZoomTool);cornerstoneTools.addTool(PanTool);cornerstoneTools.addTool(WindowLevelTool);this.vrToolGroup = ToolGroupManager.getToolGroup(vrToolGroupId);if (!this.vrToolGroup) {this.vrToolGroup = ToolGroupManager.createToolGroup(vrToolGroupId);this.vrToolGroup.addTool(TrackballRotateTool.toolName);this.vrToolGroup.addTool(ZoomTool.toolName, {zoomToCenter: true,invert: true,minZoomScale: 0.15,maxZoomScale: 20});this.vrToolGroup.addTool(PanTool.toolName);this.vrToolGroup.setToolActive(TrackballRotateTool.toolName, {bindings: [{mouseButton: MouseBindings.Primary // Left Click}]});this.vrToolGroup.setToolActive(ZoomTool.toolName, {bindings: [{mouseButton: MouseBindings.Secondary}]});this.vrToolGroup.setToolActive(PanTool.toolName, {bindings: [{mouseButton: MouseBindings.Auxiliary}]});}// Instantiate a rendering enginethis.renderingEngine = new RenderingEngine(renderingEngineId);this.viewportInputArray = [{viewportId: idAxial,type: ViewportType.ORTHOGRAPHIC,element: elAxial,defaultOptions: {orientation: Enums.OrientationAxis.AXIAL,background: [0, 0, 0]}},{viewportId: idSagittal,type: ViewportType.ORTHOGRAPHIC,element: elSagittal,defaultOptions: {orientation: Enums.OrientationAxis.SAGITTAL,background: [0, 0, 0]}},{viewportId: idCoronal,type: ViewportType.ORTHOGRAPHIC,element: elCoronal,defaultOptions: {orientation: Enums.OrientationAxis.CORONAL,background: [0, 0, 0]}},{viewportId: idVolume,type: ViewportType.VOLUME_3D,element: elVR,defaultOptions: {background: [0, 0, 0],orientation: Enums.OrientationAxis.CORONAL}}];// Define tool groups to add the segmentation display tool tothis.toolGroup = ToolGroupManager.getToolGroup(toolGroupId);if (!this.toolGroup) {this.toolGroup = ToolGroupManager.createToolGroup(toolGroupId);this.toolGroup.addTool(WindowLevelTool.toolName);const isMobile = window.matchMedia("(any-pointer:coarse)").matches;this.toolGroup.addTool(CrosshairsTool.toolName, {getReferenceLineColor,getReferenceLineControllable,getReferenceLineDraggableRotatable,getReferenceLineSlabThicknessControlsOn,referenceLinesCenterGapRadius: 14,mobile: {enabled: isMobile,opacity: 0.8,handleRadius: 9}});this.addManipulationBindings(this.toolGroup);}// For the crosshairs to operate, the viewports must currently be// added ahead of setting the tool active. This will be improved in the future.this.toolGroup.addViewport(idAxial, renderingEngineId);this.toolGroup.addViewport(idSagittal, renderingEngineId);this.toolGroup.addViewport(idCoronal, renderingEngineId);this.vrToolGroup.addViewport(idVolume, renderingEngineId);}destroy() {this.renderingEngine.disableElement(idVolume);this.renderingEngine.disableElement(idAxial);this.renderingEngine.disableElement(idSagittal);this.renderingEngine.disableElement(idCoronal);this.toolGroup.removeViewports(renderingEngineId);this.vrToolGroup.removeViewports(renderingEngineId);cache.purgeCache();}addManipulationBindings(toolGroup, options = {}) {const zoomBindings = [{mouseButton: MouseBindings.Secondary}];const { is3DViewport = false, enableShiftClickZoom = false, toolMap = new Map() } = options;if (enableShiftClickZoom === true) {zoomBindings.push({mouseButton: MouseBindings.Primary, // Shift Left ClickmodifierKey: KeyboardBindings.Shift});}if (!this.registered) {for (const [, config] of toolMap) {if (config.tool) {cornerstoneTools.addTool(config.tool);}}}this.registered = true;toolGroup.addTool(PanTool.toolName);toolGroup.addTool(ZoomTool.toolName, {zoomToCenter: true,invert: true,minZoomScale: 0.1,maxZoomScale: 20});if (is3DViewport) {toolGroup.addTool(TrackballRotateTool.toolName);} else {toolGroup.addTool(StackScrollTool.toolName);}toolGroup.addTool(StackScrollTool.toolName);toolGroup.setToolActive(PanTool.toolName, {bindings: [{mouseButton: MouseBindings.Auxiliary},{numTouchPoints: 1,modifierKey: KeyboardBindings.Ctrl}]});toolGroup.setToolActive(ZoomTool.toolName, {bindings: zoomBindings});// Need a binding to navigate without a wheel mousetoolGroup.setToolActive(StackScrollTool.toolName, {bindings: [{mouseButton: MouseBindings.Primary,modifierKey: KeyboardBindings.Alt},{numTouchPoints: 1,modifierKey: KeyboardBindings.Alt},{mouseButton: MouseBindings.Wheel}]});if (is3DViewport) {toolGroup.setToolActive(TrackballRotateTool.toolName, {bindings: [{mouseButton: MouseBindings.Primary}]});} else {toolGroup.setToolActive(StackScrollTool.toolName);}// Add extra tools from the toolMapfor (const [toolName, config] of toolMap) {if (config.baseTool) {if (!toolGroup.hasTool(config.baseTool)) {toolGroup.addTool(config.baseTool, toolMap.get(config.baseTool)?.configuration);}toolGroup.addToolInstance(toolName, config.baseTool, config.configuration);} else if (!toolGroup.hasTool(toolName)) {toolGroup.addTool(toolName, config.configuration);}if (config.passive) {// This can be applied during add/remove contourstoolGroup.setToolPassive(toolName);}if (config.bindings || config.selected) {toolGroup.setToolActive(toolName,(config.bindings && config) || {bindings: [{ mouseButton: MouseBindings.Primary }]});}}}async loadImages(imageIds) {let newImageIds = [...new Set(imageIds)];for (let i = 0; i < newImageIds.length; i++) {await cornerstoneDICOMImageLoader.wadouri.loadImage(newImageIds[i]).promise;}// Define a volume in memorythis.volume = await volumeLoader.createAndCacheVolume(volumeId, {imageIds: newImageIds});this.renderingEngine.setViewports(this.viewportInputArray);this.volume.load();// Set volumes on the viewportsawait setVolumesForViewports(this.renderingEngine,[{volumeId,callback: null}],viewportIds);this.toolGroup.setToolActive(CrosshairsTool.toolName, {bindings: [{ mouseButton: MouseBindings.Primary }]});this.renderingEngine.renderViewports(viewportIds);const viewport = this.renderingEngine.getViewport(idVolume);await setVolumesForViewports(this.renderingEngine, [{ volumeId }], [idVolume]).then(() => {viewport.setProperties({preset: "CT-Coronary-Arteries-2"});});this.loaded = true;}getSliceCount(viewportId) {if (!this.loaded) {return;}const viewport = this.renderingEngine.getViewport(viewportId);return viewport.getNumberOfSlices();}getSliceIndex(viewportId) {if (!this.loaded) {return;}const viewport = this.renderingEngine.getViewport(viewportId);return viewport.getSliceIndex();}resize(viewIds, maxViewId) {if (!this.loaded) return;this.renderingEngine.resize(true, true);viewIds.forEach(viewportId => {const viewport = this.renderingEngine.getViewport(viewportId);if (viewport) {const presentation = viewport.getViewPresentation();viewport.setViewPresentation(presentation);}});if (maxViewId) {this.toolGroup.setToolDisabled(CrosshairsTool.toolName);this.toolGroup.setToolEnabled(WindowLevelTool.toolName);this.toolGroup.setToolActive(WindowLevelTool.toolName, {bindings: [{mouseButton: MouseBindings.Primary}]});} else {this.toolGroup.setToolEnabled(CrosshairsTool.toolName);this.toolGroup.setToolDisabled(WindowLevelTool.toolName);this.toolGroup.setToolActive(CrosshairsTool.toolName, {bindings: [{ mouseButton: MouseBindings.Primary }]});}}bindRenderEvent(callback) {for (let i = 0; i < this.viewportInputArray.length; i++) {if (this.viewportInputArray[i].viewportId !== idVolume) {const elem = this.viewportInputArray[i].element;elem.addEventListener(IMAGE_RENDERED, callback);}}}bindCameraEvent(callback) {for (let i = 0; i < this.viewportInputArray.length; i++) {if (this.viewportInputArray[i].viewportId !== idVolume) {const elem = this.viewportInputArray[i].element;elem.addEventListener(CAMERA_MODIFIED, callback);}}}
}async function getDicomInfo(imageId, lang = "zh_CN") {const image = await imageLoader.loadAndCacheImage(imageId);const defWL = Math.round(image.windowCenter);const defWW = Math.round(image.windowWidth);const charset = image.data.string("x00080005") || "ISO_IR 100";const isUtf8 = charset.indexOf("ISO_IR 192") != -1;let studyInfo = "";let val = "";let tag = image.data.elements.x00100010; // 姓名if (tag) {val = readTagAsString(image.data.byteArray, tag.dataOffset, tag.length);}if (val) {val = decodeChinese(val, isUtf8);if (config.desensitize) {val = desensitizeSubstring(val, 1, -1);}studyInfo += val + " ";}val = image.data.string("x00101010");if (!val || val.length <= 0) {val = image.data.string("x00100030");if (val === undefined) val = "";} else {if (lang == "zh_CN") {val = val.replace(/Y|y/, "岁");val = val.replace(/M|m/, "月");val = val.replace(/D|d/, "天");}}val = val.replace(/^0+/g, "");if (val) {studyInfo += val + " ";}val = image.data.string("x00100040");if (lang == "zh_CN") {if (!val || val.length <= 0) tmp = "未知";if (val === "M" || val === "m") val = "男";else if (val === "F" || val === "f") val = "女";else val = "未知";}if (val) {studyInfo += val;}return {defWL,defWW,studyInfo};
}export { presetColors, ViewportId, getDicomInfo, loadDicom };