LTwain::SetResolution

#include "ltwrappr.h"

L_INT LTwain::SetResolution (pXRes, pYRes)

Sets the horizontal and vertical resolution used to transfer images from the current TWAIN source.

Returns

Comments

This function internally sets the horizontal and vertical resolution capabilities ICAP_XRESOLUTION and ICAP_YRESOLUTION. For more information on these capabilities, refer to http://www.twain.org/ and click on TWAIN Specification (Version 1.9).

To obtain the current resolution value, call the LTwain::GetResolution function.

Required DLLs and Libraries

L_INT LTwain__SetResolutionExample(LTwain * plTwain) 
{ 
   L_INT       nRet = SUCCESS; 
   TW_FIX32    XRes, YRes; 
   nRet = plTwain->GetResolution (&XRes, &YRes); 
   if (nRet == SUCCESS) 
   { 
      if (XRes.Whole != 300) 
         XRes.Whole = YRes.Whole = 300; 
      nRet = plTwain->SetResolution(&XRes, &YRes); 
      if(nRet != SUCCESS) 
         return nRet; 
   } 
   return SUCCESS; 
}