LVectorBase::GetPan

#include "ltwrappr.h"

virtual L_INT LVectorBase::GetPan(pPan)

POINT *pPan;

pointer to a structure

Gets the current pan values.

Parameter	Description
pPan	Pointer to a POINT structure to be updated with the current pan values.

Returns

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

Comments

This function will get the current physical pan values. These pan values are in pixels. This function can be used to scroll the VECTOR image.

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

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName 
L_INT LVectorBase__GetPanExample(HWND hWnd) 
{ 
   L_INT       nRet; 
   POINT       panPoint; 
   L_TCHAR     szTemp[100]; 
   LVectorBase Vector; 
   nRet = Vector.Load(MAKE_IMAGE_PATH(TEXT("random.dxf"))); 
   if(nRet != SUCCESS) 
      return nRet; 
   nRet = Vector.GetPan(&panPoint); 
   if(nRet != SUCCESS) 
      return nRet; 
   wsprintf(szTemp, 
   TEXT("Old Pan (%d,%d)"), 
   panPoint.x, 
   panPoint.y); 
   MessageBox(hWnd, szTemp, TEXT(""), MB_OK); 
   panPoint.x += 10; 
   nRet = Vector.SetPan(&panPoint); 
   if(nRet != SUCCESS) 
      return nRet; 
   wsprintf(szTemp, 
   TEXT("New Pan (%d,%d)"), 
   panPoint.x, 
   panPoint.y); 
   MessageBox(hWnd, szTemp, TEXT(""), MB_OK); 
   return SUCCESS; 
}

Help Version 19.0.2017.10.27

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Appendix

Functions:	LVectorBase::SetPan, LVectorBase::SetViewport, LVectorBase::GetViewport
Topics:	Panning Vector Images
	Vector Images: Viewing a Vector Image