LAnnContainer::SetDpiX

#include "ltwrappr.h"

virtual L_INT LAnnContainer::SetDpiX(dDpiX, uFlags=0)

L_DOUBLE dDpiX;

horizontal DPI value to set

L_UINT uFlags;

reserved for future use

Sets the horizontal DPI (dots per inch) value that is used to translate user input, such as font size, that is expressed in physical measurements.

Parameter

Description

dDpiX

The horizontal DPI value to set. Valid values are greater than or equal to 1.

 

If you pass 0 or a positive value less than 1, the value will default to 150. If you pass a negative value, the function will return an error.

uFlags

Reserved for future use. You can pass 0.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

Typically, if you are matching annotations to a bitmap, you can use the bitmap object's XResolution field to set this value.

Required DLLs and Libraries

LTANN

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:

Class Members

Topics:

Annotation Functions: Working with the Toolbar

 

Implementing Annotations

 

Automated User Interface for Annotations

Example

L_INT LAnnContainer_SetDpiXExample(LAnnContainer  * pAnnContainer) 
{ 
   L_INT nRet; 
 
   nRet = pAnnContainer->SetDpiX(150); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   nRet = pAnnContainer->SetDpiY(150); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   return SUCCESS; 
} 
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