/// <summary>
/// Format a DICOM memory buffer as a JSON string.
/// This function takes as input a memory buffer containing a DICOM file,
/// and outputs a JSON string representing the tags of this DICOM file.
/// </summary>
/// <param name="context">OrthancPluginContext* - The Orthanc plugin context, as received by OrthancPluginInitialize().</param>
/// <param name="buffer">const void* - The memory buffer containing the DICOM file.</param>
/// <param name="size">uint32_t - The size of the memory buffer.</param>
/// <param name="format">OrthancPluginDicomToJsonFormat - The output format.</param>
/// <param name="flags">OrthancPluginDicomToJsonFlags - Flags governing the output.</param>
/// <param name="maxStringLength">uint32_t - The maximum length of a field. Too long fields will be output as "null". The 0 value means no maximum length.</param>
/// <returns>char* - The NULL value if the case of an error, or the JSON string. This string must be freed by OrthancPluginFreeString().</returns>
public static IntPtr OrthancPluginDicomBufferToJson(ref OrthancPluginContext context, IntPtr buffer, uint size, OrthancPluginDicomToJsonFormat format, OrthancPluginDicomToJsonFlags flags, uint maxStringLength)
{
IntPtr ptr = IntPtr.Zero;
try
{
_OrthancPluginDicomToJson pr = new _OrthancPluginDicomToJson();
pr.buffer = buffer;
pr.size = size;
pr.format = format;
pr.flags = flags;
pr.maxStringLength = maxStringLength;
int ptrSize = Marshal.SizeOf(pr);
ptr = Marshal.AllocHGlobal(ptrSize);
Marshal.StructureToPtr(pr, ptr, true);
if (context.InvokeService(ref context, _OrthancPluginService._OrthancPluginService_DicomBufferToJson, ptr) != OrthancPluginErrorCode.OrthancPluginErrorCode_Success)
{
return(IntPtr.Zero);
}
else
{
pr = (_OrthancPluginDicomToJson)Marshal.PtrToStructure(ptr, typeof(_OrthancPluginDicomToJson));
return(pr.result);
}
}
catch (Exception ex)
{
Log.Message(ex.ToString());
OrthancPluginLogError(ref context, ex.ToString());
return(IntPtr.Zero);
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
/// <summary>
/// Format a DICOM instance as a JSON string.
/// This function formats a DICOM instance that is stored in Orthanc,
/// and outputs a JSON string representing the tags of this DICOM instance.
/// </summary>
/// <param name="context">OrthancPluginContext* - The Orthanc plugin context, as received by OrthancPluginInitialize().</param>
/// <param name="instanceId">const char* - The Orthanc identifier of the instance.</param>
/// <param name="format">OrthancPluginDicomToJsonFormat - The output format.</param>
/// <param name="flags">OrthancPluginDicomToJsonFlags - Flags governing the output.</param>
/// <param name="maxStringLength">uint32_t - The maximum length of a field. Too long fields will be output as "null". The 0 value means no maximum length.</param>
/// <returns>char* - The NULL value if the case of an error, or the JSON string. This string must be freed by OrthancPluginFreeString().</returns>
public static IntPtr OrthancPluginDicomInstanceToJson(ref OrthancPluginContext context, IntPtr instanceId, OrthancPluginDicomToJsonFormat format, OrthancPluginDicomToJsonFlags flags, uint maxStringLength)
{
IntPtr ptr = IntPtr.Zero;
try
{
_OrthancPluginDicomToJson pr = new _OrthancPluginDicomToJson();
pr.instanceId = instanceId;
pr.format = format;
pr.flags = flags;
pr.maxStringLength = maxStringLength;
int size = Marshal.SizeOf(pr);
ptr = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(pr, ptr, true);
if (context.InvokeService(ref context, _OrthancPluginService._OrthancPluginService_DicomInstanceToJson, ptr) != OrthancPluginErrorCode.OrthancPluginErrorCode_Success)
{
return IntPtr.Zero;
}
else
{
pr = (_OrthancPluginDicomToJson)Marshal.PtrToStructure(ptr, typeof(_OrthancPluginDicomToJson));
return pr.result;
}
}
catch (Exception ex)
{
Log.Message(ex.ToString());
OrthancPluginLogError(ref context, ex.ToString());
return IntPtr.Zero;
}
finally
{
Marshal.FreeHGlobal(ptr);
}
}
