* Test/*.cxx and Example/*.cxx: moved some examples away from the

[gdcm.git] / Example / TestWriteSimple.cxx

diff --git a/Example/TestWriteSimple.cxx b/Example/TestWriteSimple.cxx
new file mode 100644 (file)
index 0000000..df717bf
--- /dev/null
+++ b/Example/TestWriteSimple.cxx
@@ -0,0 +1,41 @@
+#include "gdcm.h"
+
+int main(int argc, char* argv[])
+{
+
+  if (argc < 3) 
+    {
+    std::cerr << "Usage :" << std::endl << argv[0] << 
+      " InputHeader OutputDicom" << std::endl;
+    return 0;
+    }
+
+  std::string header = argv[1];
+  const char *output = argv[2];
+
+  gdcmHeader *f1 = new gdcmHeader( header );
+  gdcmFile   *f2 = new gdcmFile( f1 );
+
+  // If the following call is important, then the API sucks. Why is it
+  // required to allocate PixelData when we are not using it !?
+  void* PixelData = f2->GetImageData(); //EXTREMELY IMPORTANT
+  //Otherwise ReadPixel == -1 -> the dicom writing fails completely
+  
+  int dataSize    = f2->GetImageDataSize();
+  // unsigned char cast is necessary to be able to delete the buffer
+  // since deleting a void* is not allowed in c++
+  char *imageData = (char*)f2->GetImageData();
+
+  f2->SetImageData( imageData, dataSize);
+
+  f2->WriteDcmExplVR( output );
+  
+  delete[] imageData;
+  delete f1;
+  delete f2;
+  //delete PixelData; //Does GetImageData return the same pointer ?
+  (void)PixelData;
+
+  return 0;
+}
+