# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1593011826 -7200
# Node ID 5d892f5dd9c45ae3380d65382eb3b5f25ae0098f
# Parent  b931ddbe070e748ee607cf3273a4469e71e5d442
SortedFrames::IsFrameMonochrome1()

diff -r b931ddbe070e -r 5d892f5dd9c4 Framework/Toolbox/CoordinateSystem3D.h
--- a/Framework/Toolbox/CoordinateSystem3D.h	Tue Jun 23 07:50:14 2020 +0200
+++ b/Framework/Toolbox/CoordinateSystem3D.h	Wed Jun 24 17:17:06 2020 +0200
@@ -76,7 +76,7 @@
       return normal_;
     }
 
-    const Vector& GetOrigin() const
+    const Vector& GetOrigin() const  // This is the "Image Position Patient" tag
     {
       return origin_;
     }
diff -r b931ddbe070e -r 5d892f5dd9c4 Framework/Toolbox/SortedFrames.cpp
--- a/Framework/Toolbox/SortedFrames.cpp	Tue Jun 23 07:50:14 2020 +0200
+++ b/Framework/Toolbox/SortedFrames.cpp	Wed Jun 24 17:17:06 2020 +0200
@@ -21,9 +21,10 @@
 
 #include "SortedFrames.h"
 
-#include <OrthancException.h>
+#include "GeometryToolbox.h"
 
-#include "GeometryToolbox.h"
+#include <OrthancException.h>
+#include <Toolbox.h>
 
 namespace OrthancStone
 {
@@ -46,6 +47,17 @@
       numberOfFrames_ = 1;
     }
 
+    std::string photometric;
+    if (tags.LookupStringValue(photometric, Orthanc::DICOM_TAG_PHOTOMETRIC_INTERPRETATION, false))
+    {
+      Orthanc::Toolbox::StripSpaces(photometric);
+      monochrome1_ = (photometric == "MONOCHROME1");
+    }
+    else
+    {
+      monochrome1_ = false;
+    }
+
     hasPosition_ = (
       LinearAlgebra::ParseVector(position_, tags, Orthanc::DICOM_TAG_IMAGE_POSITION_PATIENT) &&
       position_.size() == 3 &&
diff -r b931ddbe070e -r 5d892f5dd9c4 Framework/Toolbox/SortedFrames.h
--- a/Framework/Toolbox/SortedFrames.h	Tue Jun 23 07:50:14 2020 +0200
+++ b/Framework/Toolbox/SortedFrames.h	Wed Jun 24 17:17:06 2020 +0200
@@ -35,8 +35,9 @@
       Orthanc::DicomMap  tags_;
       std::string        sopInstanceUid_;
       unsigned int       numberOfFrames_;
-      Vector             normal_;
-      Vector             position_;
+      Vector             normal_;    // Only used in "Sort()"
+      Vector             position_;  // Only used in "Sort()"
+      bool               monochrome1_;
 
     public:
       Instance(const Orthanc::DicomMap& tags);
@@ -64,6 +65,11 @@
       const Vector& GetNormal() const;
 
       const Vector& GetPosition() const;
+
+      bool IsMonochrome1() const
+      {
+        return monochrome1_;
+      }
     };
 
     struct Frame
@@ -164,16 +170,21 @@
       return GetFrame(index).GetInstance().GetSopInstanceUid();
     }
 
-    const unsigned int GetFrameSiblingsCount(size_t index) const
+    unsigned int GetFrameSiblingsCount(size_t index) const
     {
       return GetFrame(index).GetInstance().GetNumberOfFrames();
     }
 
-    const unsigned int GetFrameIndex(size_t index) const
+    unsigned int GetFrameIndex(size_t index) const
     {
       return GetFrame(index).GetFrameIndex();
     }
 
+    bool IsFrameMonochrome1(size_t index) const
+    {
+      return GetFrame(index).GetInstance().IsMonochrome1();
+    }
+
     void Sort();
   };
 }