From a19ba3c21542793df68b66e7dcb70b967d0274a8 Mon Sep 17 00:00:00 2001
From: hang <872297557@qq.com>
Date: Fri, 29 Aug 2025 11:36:27 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A4=84=E7=90=86scp=E6=9C=8D=E5=8A=A1=20?=
 =?UTF-8?q?=E6=8B=86=E5=88=86=E5=BD=B1=E5=83=8F?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 IRC.Core.SCP/Service/CStoreSCPService.cs      | 59 ++++++++++++++++++-
 .../IRaCIS.Core.Application.xml               |  2 +-
 2 files changed, 59 insertions(+), 2 deletions(-)

diff --git a/IRC.Core.SCP/Service/CStoreSCPService.cs b/IRC.Core.SCP/Service/CStoreSCPService.cs
index aea8f9e32..19a47ac0a 100644
--- a/IRC.Core.SCP/Service/CStoreSCPService.cs
+++ b/IRC.Core.SCP/Service/CStoreSCPService.cs
@@ -24,6 +24,8 @@ using IRaCIS.Core.Infrastructure;
 using IRaCIS.Core.Infrastructure.Extention;
 using Newtonsoft.Json;
 using FellowOakDicom.Imaging.Codec;
+using FellowOakDicom.IO.Buffer;
+using System.Diagnostics.CodeAnalysis;
 
 namespace IRaCIS.Core.SCP.Service
 {
@@ -237,7 +239,7 @@ namespace IRaCIS.Core.SCP.Service
                     }
                     else
                     {
-                        Log.Logger.Error($"未找到{g.Key.StudyInstanceUid}的Cmove记录");
+                        Log.Logger.Warning($"未找到{g.Key.StudyInstanceUid}的Cmove记录");
                     }
                 }
 
@@ -319,6 +321,7 @@ namespace IRaCIS.Core.SCP.Service
 
 
             long fileSize = 0;
+
             try
             {
 
@@ -326,7 +329,61 @@ namespace IRaCIS.Core.SCP.Service
                 {
                     await request.File.SaveAsync(ms);
 
+                    #region 1帧拆成多个固定大小的，方便移动端浏览
 
+                    // 回到开头，读取 dicom
+                     ms.Position = 0;
+                    var dicomFile = DicomFile.Open(ms);
+
+                    var pixelData = DicomPixelData.Create(dicomFile.Dataset);
+                    var syntax = pixelData.Syntax;
+
+                    // 每个 fragment 固定大小 (64KB 示例，可以自己调整)
+                    int fragmentSize = 20 * 1024;
+
+                    if (syntax.IsEncapsulated)
+                    {
+                        var newFragments = new DicomOtherByteFragment(DicomTag.PixelData);
+
+                        for (int n = 0; n < pixelData.NumberOfFrames; n++)
+                        {
+                            var frameData = pixelData.GetFrame(n); // 获取完整一帧
+                            var data = frameData.Data;
+                            int offset = 0;
+
+                            while (offset < data.Length)
+                            {
+                                int size = Math.Min(fragmentSize, data.Length - offset);
+                                var buffer = new byte[size];
+                                Buffer.BlockCopy(data, offset, buffer, 0, size);
+
+                                newFragments.Fragments.Add(new MemoryByteBuffer(buffer));
+                                offset += size;
+                            }
+                        }
+
+                        // 替换原 PixelData
+                        dicomFile.Dataset.AddOrUpdate(newFragments);
+                    }
+
+                    // 重新保存 dicom 到流
+                    ms.SetLength(0);
+                    dicomFile.Save(ms);
+                    ms.Position = 0;
+
+                    #endregion
+
+
+                    #region 本地测试
+                    //// --- 保存到本地文件测试 ---
+                    //var localPath = @"D:\TestDicom.dcm";
+                    //using (var fs = new FileStream(localPath, FileMode.Create, FileAccess.Write))
+                    //{
+                    //    ms.CopyTo(fs);
+                    //}
+                    //return new DicomCStoreResponse(request, DicomStatus.Success);
+
+                    #endregion
 
 
                     //irc 从路径最后一截取Guid
diff --git a/IRaCIS.Core.Application/IRaCIS.Core.Application.xml b/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
index 94b5168e3..a6f8a7ba2 100644
--- a/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
+++ b/IRaCIS.Core.Application/IRaCIS.Core.Application.xml
@@ -13604,7 +13604,7 @@
             </summary>
             <returns></returns>
         </member>
-        <member name="M:IRaCIS.Core.Application.Service.HospitalGroupService.GetGAUserList">
+        <member name="M:IRaCIS.Core.Application.Service.HospitalGroupService.GetGAUserList(System.Guid)">
             <summary>
             GA用户列表
             </summary>