From f8e5982fc2d53058d72b5c96e8f4f53faf9a37d7 Mon Sep 17 00:00:00 2001
From: jpr <jpr>
Date: Fri, 3 Oct 2003 14:26:11 +0000
Subject: [PATCH] gdcmHeaderHelper::GetNumberOfScalarComponents() added, to
 allow displaying RGB images (not only by affim ;-)

---
 src/gdcmFile.cxx         | 12 ++++++------
 src/gdcmHeaderHelper.cxx | 22 +++++++++++++++++++++-
 src/gdcmHeaderHelper.h   |  7 +++++--
 3 files changed, 32 insertions(+), 9 deletions(-)

diff --git a/src/gdcmFile.cxx b/src/gdcmFile.cxx
index 1051765f..88dcdf6a 100644
--- a/src/gdcmFile.cxx
+++ b/src/gdcmFile.cxx
@@ -426,14 +426,14 @@ size_t gdcmFile::GetImageDataIntoVector (void* destination, size_t MaxSize) {
          return (size_t)0; 
       }
    } 
+
 // Just to 'see' was was actually read on disk :-(
 // Some troubles expected
 
-//FILE *  fpSpurious;
-//fpSpurious=fopen("SpuriousFile.raw","w"); 
-//fwrite(destination,lgrTotale, 1,fpSpurious);
-//fclose(fpSpurious);
-
+FILE *  fpSpurious;
+fpSpurious=fopen("SpuriousFile.raw","w"); 
+fwrite(destination,lgrTotale, 1,fpSpurious);
+fclose(fpSpurious);
 
 
    // *Try* to deal with the color
@@ -444,7 +444,7 @@ size_t gdcmFile::GetImageDataIntoVector (void* destination, size_t MaxSize) {
    // Planar configuration = 2 : 1 gray Plane + 3 LUT
 
    // Well ... supposed to be !
-   // See US-PAL-8-10x-echo.dcm, PlanarConfiguration=0,PhotometricInterpretation=PALETTE COLOR
+   // See US-PAL-8-10x-echo.dcm: PlanarConfiguration=0,PhotometricInterpretation=PALETTE COLOR
    // and heuristic has to be found :-( 
 
       std::string str_PhotometricInterpretation = gdcmHeader::GetPubElValByNumber(0x0028,0x0004);
diff --git a/src/gdcmHeaderHelper.cxx b/src/gdcmHeaderHelper.cxx
index 35088039..cb4b3559 100644
--- a/src/gdcmHeaderHelper.cxx
+++ b/src/gdcmHeaderHelper.cxx
@@ -1,4 +1,4 @@
-// $Header: /cvs/public/gdcm/src/Attic/gdcmHeaderHelper.cxx,v 1.9 2003/10/02 11:26:16 malaterre Exp $
+// $Header: /cvs/public/gdcm/src/Attic/gdcmHeaderHelper.cxx,v 1.10 2003/10/03 14:26:11 jpr Exp $
 
 #include "gdcmHeaderHelper.h"
 
@@ -89,6 +89,26 @@ int gdcmHeaderHelper::GetPixelSize() {
    dbg.Verbose(0, "gdcmHeader::GetPixelSize: Unknown pixel type");
    return 0;
 }
+
+//----------------------------------------------------------------------------
+/**
+  * \ingroup gdcmHeaderHelper
+  * \brief gets the info from 0028,0004 : Photometric Interp
+  * \           else 1.
+  * @return 1 if Gray level, 3 if Color
+  */
+int gdcmHeaderHelper::GetNumberOfScalarComponents() {
+      std::string PhotometricInterpretation = 
+                  gdcmHeader::GetPubElValByNumber(0x0028,0x0004);
+
+// The compiler will optimze, if it feels like !
+
+      if (PhotometricInterpretation == GDCM_UNFOUND) return 1;
+      if (PhotometricInterpretation == "MONOCHROME1") return 1;
+      if (PhotometricInterpretation == "MONOCHROME2") return 1;
+
+      return 3;
+}
 //----------------------------------------------------------------------------
 /**
  * \ingroup gdcmHeaderHelper
diff --git a/src/gdcmHeaderHelper.h b/src/gdcmHeaderHelper.h
index ab5807c6..06455a49 100644
--- a/src/gdcmHeaderHelper.h
+++ b/src/gdcmHeaderHelper.h
@@ -1,4 +1,4 @@
-// $Header: /cvs/public/gdcm/src/Attic/gdcmHeaderHelper.h,v 1.3 2003/09/11 13:44:17 jpr Exp $
+// $Header: /cvs/public/gdcm/src/Attic/gdcmHeaderHelper.h,v 1.4 2003/10/03 14:26:11 jpr Exp $
 
 #ifndef GDCMHEADERHELPER_H
 #define GDCMHEADERHELPER_H
@@ -76,7 +76,9 @@ public:
    float GetXSpacing();
    float GetYSpacing();
    float GetZSpacing();
-   
+
+   int GetNumberOfScalarComponents();
+
    std::string GetStudyUID();
    std::string GetSeriesUID();
    std::string GetClassUID();
@@ -96,6 +98,7 @@ public:
    ModalityType GetModality();
    
    void GetImageOrientationPatient( float* iop );
+  
 
 };
 
-- 
2.45.1