# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1687855157 -7200
# Node ID 816968b5a03123f536f82337a8602dbb34685b78
# Parent  f5cb6310e0dc3b524752d4c27343c606898db4b6
speeded up ServerContext::ReadDicomUntilPixelData() if storage compression is on

diff -r f5cb6310e0dc -r 816968b5a031 OrthancServer/Sources/ServerContext.cpp
--- a/OrthancServer/Sources/ServerContext.cpp	Tue Jun 27 09:35:31 2023 +0200
+++ b/OrthancServer/Sources/ServerContext.cpp	Tue Jun 27 10:39:17 2023 +0200
@@ -1144,13 +1144,23 @@
   bool ServerContext::ReadDicomUntilPixelData(std::string& dicom,
                                               const std::string& instancePublicId)
   {
+    FileInfo attachment;
+    int64_t revision;  // Ignored
+    if (index_.LookupAttachment(attachment, revision, instancePublicId, FileContentType_DicomUntilPixelData))
+    {
+      StorageAccessor accessor(area_, storageCache_, GetMetricsRegistry());
+
+      accessor.Read(dicom, attachment);
+      assert(dicom.size() == attachment.GetUncompressedSize());
+
+      return true;
+    }
+
     if (!area_.HasReadRange())
     {
       return false;
     }
     
-    FileInfo attachment;
-    int64_t revision;  // Ignored
     if (!index_.LookupAttachment(attachment, revision, instancePublicId, FileContentType_Dicom))
     {
       throw OrthancException(ErrorCode_InternalError,