LVectorBase::GetViewMode

#include "ltwrappr.h"

virtual L_INT LVectorBase::GetViewMode(L_VOID)

Gets the current view mode.

Returns

The current view mode. Possible values are:

Value	Meaning
VECTOR_VIEWMODE_FIT	Fit the drawing on the view port, keeping the aspect ratio.
VECTOR_VIEWMODE_SNAP	Snap the drawing into the view port.

Comments

This function will get the view mode used when drawing the vector handle.

The view mode is used with the view port to determine the resulting physical drawing extents.

Not supported in DirectX.

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__GetViewModeExample(HWND hWnd) 
{ 
   L_INT       nRet; 
   L_TCHAR     szTemp[100]; 
   L_INT       nMode; 
   LVectorBase Vector; 
   nRet = Vector.Load(MAKE_IMAGE_PATH(TEXT("random.dxf"))); 
   if(nRet != SUCCESS) 
      return nRet; 
   nMode = Vector.GetViewMode(); 
   switch(nMode) 
   { 
      case VECTOR_VIEWMODE_FIT: 
      wsprintf(szTemp, TEXT("Old ViewMode: VECTOR_VIEWMODE_FIT")); 
      break; 
      case VECTOR_VIEWMODE_SNAP: 
      wsprintf(szTemp, TEXT("Old ViewMode: VECTOR_VIEWMODE_SNAP")); 
      break; 
   } 
   MessageBox(hWnd, szTemp, TEXT(""), MB_OK); 
   nRet = Vector.SetViewMode(VECTOR_VIEWMODE_SNAP); 
   if(nRet != SUCCESS) 
      return nRet; 
   wsprintf(szTemp, TEXT("New ViewMode: VECTOR_VIEWMODE_SNAP")); 
   MessageBox(hWnd, szTemp, TEXT(""), MB_OK); 
   return SUCCESS; 
}

Help Version 19.0.2017.10.27

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Appendix

Functions:	LVectorBase::SetViewMode, LVectorBase::Paint
Topics:	Viewing a Vector Images
	Vector Images: Viewing a Vector Image