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IDWritePixelSnapping::GetPixelsPerDip method

Gets the number of physical pixels per DIP.

Syntax

C++


virtual HRESULT GetPixelsPerDip(
        void  * clientDrawingContext,
  [out] FLOAT * pixelsPerDip
) = 0;

Parameters

clientDrawingContext

Type: void*

The drawing context passed to IDWriteTextLayout::Draw.

pixelsPerDip [out]

Type: FLOAT*

When this method returns, contains the number of physical pixels per DIP.

Return value

Type: HRESULT

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

Because a DIP (device-independent pixel) is 1/96 inch, the pixelsPerDip value is the number of logical pixels per inch divided by 96.

Requirements

Minimum supported client	Windows 7, Windows Vista with SP2 and Platform Update for Windows Vista [desktop apps \| Windows Store apps]
Minimum supported server	Windows Server 2008 R2, Windows Server 2008 with SP2 and Platform Update for Windows Server 2008 [desktop apps \| Windows Store apps]
Minimum supported phone	Windows Phone 8.1 [Windows Phone Silverlight 8.1 and Windows Runtime apps]
Header	Dwrite.h
Library	Dwrite.lib
DLL	Dwrite.dll