LAnnAutomation::GetDpiX

#include "ltwrappr.h"

virtual L_DOUBLE LAnnAutomation::GetDpiX(L_VOID)

Gets the current horizontal DPI (dots per inch) value that is used to translate user input, such as font size, that is expressed in physical measurements. This function is available in the Document/Medical Toolkits.

Returns

The current DPI 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.

See Also

Functions:	LAnnAutomation::GetAutoContainer, LAnnAutomation::SetDpiX, LAnnAutomation::SetDpiY, LAnnAutomation::GetDpiY, Class Members
Topics:	Annotation Functions: Working with the Toolbar
	Implementing Annotations
	Automated User Interface for Annotations

Example

/* This function gets the current dots per inch of the automation object */

void GetAutomationDPI(LAnnAutomation L_FAR * pAnnAutomation, HWND hWnd)
{
   L_DOUBLE DPIx, DPIy; /* Dots per inch, horizontal and vertical */
   L_TCHAR szMessage[80]; /* Message buffer */

   /* Get the dots per inch */
   DPIx = pAnnAutomation->GetDpiX();
   DPIy = pAnnAutomation->GetDpiY();

   /* Display a message box with the result */
   wsprintf (szMessage, TEXT("%d horizontal, %d vertical"), (int)DPIx, (int)DPIy);
   MessageBox (hWnd, szMessage, TEXT("Notice"), MB_OK);
}