L_DicomCreateLayer

#include "l_bitmap.h"

L_LTDIC_API L_UINT16 L_DicomCreateLayer(hDS, pGraphicLayer, pLayerIndex)

HDICOMDS hDS;

a DICOM handle

pDICOMGRAPHICLAYER pGraphicLayer;

pointer to a Graphic Layer attributes structure

L_UINT * pLayerIndex;

pointer to a variable, which will be updated with the index of the newly created layer.

Adds a new item under the "Graphic Layer Sequence" (0070,0060) in the Graphic Layer Module".

Parameter

Description

hDS

A DICOM handle.

pGraphicLayer

Pointer to a Graphic Layer attributes structure, which holds the attributes of the layer to be created.

pLayerIndex

Pointer to a variable, which will be updated with the index of the newly created layer.

Returns

DICOM_SUCCESS

The function was successful.

>0

An error occurred. Refer to Return Codes.

Comments

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

If for example there are already 2 items under the "Graphic Layer Sequence" (0070,0060) and we call this function, then the index of the new layer will be 2.

This function will fail and return DICOM_ERROR_PARAMETER if a layer with the same name as the new layer already exists in the dataset.

Required DLLs and Libraries

LTDIC

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application

Platforms

Win32, x64, Linux.

See Also

Functions:

L_DicomGetLayerInfo, L_DicomSetLayerInfo, L_DicomRemoveLayerByIndex, L_DicomRemoveLayerByName, L_DicomRemoveAllLayers, L_DicomGetLayerCount, L_DicomGetLayerIndex, L_DicomGetLayerGraphicObjectCount, L_DicomRemoveLayerGraphicObjects, L_DicomGetLayerTextObjectCount, L_DicomRemoveLayerTextObjects, L_DicomGetLayerElementByIndex, L_DicomGetLayerElementByName

Topics:

Working with DICOM Annotations

 

Dicom Annotations: Layers

Example

L_LTDICTEX_API L_INT DicomCreateLayerExample(HDICOMDS hPresStateDS) 
{ 
   DICOMGRAPHICLAYER Layer; 
   L_TCHAR   szText[256] = TEXT("\0"); 
   L_INT16  RGBColors[3]; 
   L_INT16  pGrayScle[1]; 
   L_UINT   uLayerIndex; 
   L_UINT16 nRet; 
   memset(&Layer, 0, sizeof(DICOMGRAPHICLAYER)); 
   pGrayScle[0] = 32767; 
   RGBColors[0] = 255; 
   RGBColors[1] = 255; 
   RGBColors[2] = 255; 
   Layer.nLayerOrder = 1; 
   Layer.pszLayerDescription = TEXT("First Layer"); 
   Layer.pszLayerName      = TEXT("LAYER0"); 
   Layer.puGrayscale       = pGrayScle; 
   Layer.pRGBLayerColors   = RGBColors; 
   Layer.uStructSize = sizeof(DICOMGRAPHICLAYER); 
   nRet = L_DicomCreateLayer( hPresStateDS, 
   &Layer, 
   &uLayerIndex); 
   if (nRet == DICOM_SUCCESS) 
   { 
      wsprintf(szText, TEXT("Index of the new layer is: %u "), uLayerIndex); 
      MessageBox( NULL, 
      szText, 
      TEXT("Note"), 
      MB_OK); 
   } 
   return nRet; 
} 

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