L_VecAddObjectToGroup

#include "lvkrn.h"

L_LVKRN_API L_INT L_VecAddObjectToGroup(pVector, pGroup, nType, pObjectDesc, pNewObject)

pVECTORHANDLE pVector;	pointer to a vector handle
const pVECTORGROUP pGroup;	pointer to a vector group
L_INT nType;	object type
const L_VOID * pObjectDesc;	pointer to a vector object
pVECTOROBJECT pNewObject;	pointer to the new vector object

Adds a new object to a vector group. This function is available in the LEADTOOLS Vector Imaging Pro Toolkit.

Parameter	Description
pVector	Pointer to the destination vector handle.
pGroup	Pointer to the destination vector group.
nType	Type of object to add. Possible values are:
	Value	Meaning
	VECTOR_ARC	Arc.
	VECTOR_CHORD	Chord.
	VECTOR_CIRCLE	Circle.
	VECTOR_ELLIPSE	Ellipse.
	VECTOR_ELLIPTICALARC	Elliptical arc.
	VECTOR_LINE	Line.
	VECTOR_PIE	Pie section.
	VECTOR_POLYBEZIER	Poly Bezier curve.
	VECTOR_POLYDRAW	Polydraw.
	VECTOR_POLYGON	Polygon.
	VECTOR_POLYLINE	Polyline.
	VECTOR_RASTER	Raster.
	VECTOR_RECTANGLE	Rectangle.
	VECTOR_TEXT	Text.
	VECTOR_VERTEX	3D vertex in space.
pObjectDesc	Pointer to a vector object that contains information about the object to add.
pNewObject	Pointer to a VECTOROBJECT structure that references the newly added object..

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

If pNewObject is NULL, this pointer will not be updated with the address of the newly added object.

You may need to cast from your given object type (VECTORPOLYGON, VECTORTEXT, etc) when using this function. (See the example below.)

You cannot add a VECTOR_CLONE to a vector group.

Required DLLs and Libraries

LVKRN

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

Example

This example will create a new vector group with the given name that contains all currently selected objects inside a vector handle.

L_INT EXT_CALLBACK MyEnumObjectsProc( 
pVECTORHANDLE pVector, 
const pVECTOROBJECT pObject, 
L_VOID* pUserData ) 
{ 
   L_INT nRet; 
   pVECTORGROUP pGroup; 
   L_TCHAR pBuffer[ VECTOR_OBJECT_BUFFER_SIZE ]; 
   /* Add all objects into this group */ 
   if( pObject->nType != VECTOR_CLONE )  /* should not be a VECTOR_CLONE */ 
   { 
      nRet = L_VecGetObject( pVector, pObject, pObject->nType, pBuffer ); 
      if(nRet != SUCCESS) 
         return nRet; 
      pGroup = (pVECTORGROUP) pUserData; 
      nRet = L_VecAddObjectToGroup ( pVector, pGroup, pObject->nType, pBuffer, NULL ); 
      if(nRet != SUCCESS) 
         return nRet; 
      nRet = L_VecFreeObject( pObject->nType, pBuffer ); 
      if(nRet != SUCCESS) 
         return nRet; 
   } 
   return SUCCESS; 
} 
L_INT VecAddObjectToGroupCBExample( 
pVECTORHANDLE pVector, 
const L_TCHAR *pszName) 
{ 
   L_INT nRet; 
   VECTORGROUPDESC GroupDesc; 
   VECTORGROUP Group; 
   /* Add a new empty group */ 
   memset( &GroupDesc, 0, sizeof( GroupDesc ) ); 
   GroupDesc.nSize = sizeof( GroupDesc ); 
   lstrcpy( GroupDesc.szName, pszName ); 
   nRet = L_VecAddGroup( pVector, &GroupDesc, &Group, 0L ); 
   if(nRet != SUCCESS) 
      return nRet; 
   /* Add all selected objects into this group */ 
   nRet = L_VecEnumObjects(pVector, MyEnumObjectsProc, &Group, VECTOR_FLAGS_SELECTED_ONLY); 
   return nRet; 
}

Help Version 19.0.2017.10.27

Products | Support | Contact Us | Copyright Notices
© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.

LEADTOOLS Vector C API Help

Introduction

Version History

LEADTOOLS Vector Features

Redistributables/Files To Be Included With Your Application

Functions:	L_VecInitObject, L_VecAddObject
Topics:	Working with Vector Objects