GDCM: modified compilation scheme

- renamed source files
- guard the contents - always include

modules/imgcodecs/CMakeLists.txt

@@ -63,11 +63,6 @@ endif()
 file(GLOB grfmt_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/grfmt*.hpp)
 file(GLOB grfmt_srcs ${CMAKE_CURRENT_LIST_DIR}/src/grfmt*.cpp)
 
-if(HAVE_GDCM)
-  list(APPEND grfmt_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/gdcm_dicom.hpp)
-  list(APPEND grfmt_srcs ${CMAKE_CURRENT_LIST_DIR}/src/gdcm_dicom.cpp)
-endif()
-
 list(APPEND grfmt_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/bitstrm.hpp)
 list(APPEND grfmt_srcs ${CMAKE_CURRENT_LIST_DIR}/src/bitstrm.cpp)
 list(APPEND grfmt_hdrs ${CMAKE_CURRENT_LIST_DIR}/src/rgbe.hpp)

modules/imgcodecs/src/gdcm_dicom.cpp → modules/imgcodecs/src/grfmt_gdcm.cpp

@@ -41,7 +41,9 @@
 //M*/
 
 #include "precomp.hpp"
-#include "gdcm_dicom.hpp"
+#include "grfmt_gdcm.hpp"
+
+#ifdef HAVE_GDCM
 
 #include <gdcmImageReader.h>
 
@@ -214,3 +216,5 @@ bool  DICOMDecoder::readData( Mat& csImage )
     return(bOK);
 }
 }
+
+#endif
\ No newline at end of file

modules/imgcodecs/src/gdcm_dicom.hpp → modules/imgcodecs/src/grfmt_gdcm.hpp

@@ -43,6 +43,10 @@
 #ifndef _GDCM_DICOM_H_
 #define _GDCM_DICOM_H_
 
+#include "cvconfig.h"
+
+#ifdef HAVE_GDCM
+
 #include "grfmt_base.hpp"
 
 namespace cv
@@ -68,4 +72,6 @@ protected:
 
 }
 
+#endif
+
 #endif/*_GDCM_DICOM_H_*/

modules/imgcodecs/src/grfmts.hpp

@@ -54,5 +54,6 @@
 #include "grfmt_webp.hpp"
 #include "grfmt_hdr.hpp"
 #include "grfmt_gdal.hpp"
+#include "grfmt_gdcm.hpp"
 
 #endif/*_GRFMTS_H_*/

modules/imgcodecs/src/loadsave.cpp

@@ -45,9 +45,6 @@
 
 #include "precomp.hpp"
 #include "grfmts.hpp"
-#ifdef HAVE_GDCM
-#include "gdcm_dicom.hpp"
-#endif
 #undef min
 #undef max
 #include <iostream>