LDicomDS::CreateGraphicObject

Summary

Creates a new graphic annotation object.

Syntax

#include "Ltdic.h"

L_UINT16 LDicomDS::CreateGraphicObject(pGraphicAnnSQItem, pGraphicObject, bCheckLayer)

Parameters

pDICOMELEMENT pGraphicAnnSQItem

Pointer to an item element under the "Graphic Annotation Sequence" (0070,0001) in the "Graphic Annotation Module".

pDICOMGRAPHICOBJECT pGraphicObject

Pointer to the graphic object attributes structure.

L_BOOL bCheckLayer

Flag that indicates whether to verify that the layer (to which the graphic object will be added) exists or not.

Value Meaning
TRUE Check if the layer exists before adding the object. If it does not exist, then return an error.
FALSE Add the new object without checking the existence of the layer.

Returns

Value Meaning
0 SUCCESS
>0 An error occurred. Refer to Return Codes.

Comments

Before calling this function, initialize pDICOMGRAPHICOBJECT->uStructSize to be sizeof(DICOMGRAPHICOBJECT) and initialize all the structure members.

When the parameter bCheckLayer is set to TRUE, then this function checks if the layer specified in the member variable pszLayerName exists or not. If it does not exist, an error will be returned.

Required DLLs and Libraries

Platforms

Win32, x64

See Also

Functions

Topics

Example

L_INT LDicomDS_CreateGraphicObjectExample(LDicomDS& PresStateDS)  
{ 
   L_INT                nRet; 
   DICOMGRAPHICOBJECT   GraphicObject;  
   L_UINT               nCount = 5;  
 
   memset(&GraphicObject, 0, sizeof(DICOMGRAPHICOBJECT));  
 
   GraphicObject.pAnnPoints = new DICOMANNPOINT[nCount];   
   GraphicObject.pAnnPoints [0].fX = (L_FLOAT)480.00;  
   GraphicObject.pAnnPoints [0].fY = (L_FLOAT)226.00;  
   GraphicObject.pAnnPoints [1].fX = (L_FLOAT)480.00;  
   GraphicObject.pAnnPoints [1].fY = (L_FLOAT)418.00;  
   GraphicObject.pAnnPoints [2].fX = (L_FLOAT)488.00;  
   GraphicObject.pAnnPoints [2].fY = (L_FLOAT)418.00;  
   GraphicObject.pAnnPoints [3].fX = (L_FLOAT)488.00;  
   GraphicObject.pAnnPoints [3].fY = (L_FLOAT)226.00;  
   GraphicObject.pAnnPoints [4].fX = (L_FLOAT)480.00;  
   GraphicObject.pAnnPoints [4].fY = (L_FLOAT)226.00;  
 
   GraphicObject.bFilled      = TRUE;  
   GraphicObject.uType        = DICANN_TYPE_POLYLINE; 
   GraphicObject.pszLayerName = TEXT("First Layer"); 
   GraphicObject.nPointCount  = (L_UINT16)nCount; 
   GraphicObject.uUnits       = DICANN_UNIT_PIXEL; 
   GraphicObject.uStructSize  = sizeof(DICOMGRAPHICOBJECT); 
 
   nRet = PresStateDS.CreateGraphicObject(PresStateDS.FindFirstGraphicAnnSQItem(), &GraphicObject);  
   if (nRet == DICOM_SUCCESS)  
   { 
      MessageBox( NULL,  
                  TEXT("Object has been successfully created."),  
                  TEXT("Note"),  
                  MB_OK);  
   } 
 
   if (GraphicObject.pAnnPoints)  
   { 
      delete [] GraphicObject.pAnnPoints;  
   } 
 
   return nRet; 
} 
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