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LEADTOOLS Raster imaging C++ Class library help

LFileSettings::GetWMFResolution

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#include "ltwrappr.h"

static L_INT LFileSettings::GetWMFResolution (lpXResolution, lpYResolution)

L_INT * lpXResolution;

/* pointer to a variable to be updated */

L_INT * lpYResolution;

/* pointer to a variable to be updated */

Gets the current DPI (dots per inch) value that LEADTOOLS uses when loading WMF/EMF files.

Parameter

Description

lpXResolution

Pointer to a variable to be updated with the current value that LEADTOOLS uses for WMF/EMF horizontal resolution.

lpYResolution

Pointer to a variable to be updated with the current value that LEADTOOLS uses for WMF/EMF vertical resolution.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

Before calling this function, the user must declare two variables of L_INT data type, and then pass the addresses of these variables as the lpXResolution and lpYResolution parameters, and then the function will update these values with the current values that LEADTOOLS uses for WMF/EMF resolutions.

For an explanation of how LEADTOOLS uses the WMF/EMF file resolution values, refer to LFileSettings::SetWMFResolution function.

Note:

More options are available in the LOADFILEOPTION structure.

Required DLLs and Libraries

LTFIL

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

Platforms

Win32, x64.

See Also

Functions:

LFileSettings::~LFileSettings, LFile::GetInfo, LMemoryFile::GetInfo, LFile::ReadComment, LFileSettings::GetPCDResolution, LFileSettings::SetPCDResolution, LFileSettings::SetWMFResolution, LFileSettings::SetExtFileOption, LFileSettings::GetComment, LFileSettings::SetComment, Class Members, LFileSettings::GetViewMode2D, LFileSettings::GetViewPort2D, LFileSettings::SetViewMode2D, LFileSettings::SetViewPort2D, Class Members

Topics:

Raster Image Functions: Input and Output

 

Loading and Saving Images

Example

L_INT LFileSettings__GetWMFResolutionExample()
{
   L_INT nRet;
   LFileSettings fileSettings;
   L_INT  XResolution;
   L_INT  YResolution;
   nRet = fileSettings.GetWMFResolution(&XResolution,&YResolution);
   if(nRet != SUCCESS)
      return nRet;
   //...
   //...
   return SUCCESS;
}
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