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L_VecGetPan

Summary

Gets the current pan values.

Syntax

#include "ltvkrn.h"

L_LVKRN_API L_INT L_VecGetPan(pVector, pPan)

Parameters

const pVECTORHANDLE pVector

Pointer to a vector handle.

L_POINT * pPan

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

Returns

Value	Meaning
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

LTVKRN
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 shift the drawing 10 pixels to the left and 10 pixels up.

L_LTVKRNTEX_API L_INT VecGetPanExample(pVECTORHANDLE pVector) 
{ 
   L_INT nRet; 
   POINT pan; 
 
   /* Get current pan values */ 
   nRet = L_VecGetPan( pVector, &pan ); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   /* shift 10 pixels left, 10 pixels up */ 
   pan.x += 10; 
   pan.y += -10; 
 
   /* Set new pan */ 
   nRet = L_VecSetPan( pVector, &pan ); 
 
   return nRet; 
}