IXpsOMGlyphs::GetFontRenderingEmSize method (xpsobjectmodel.h)

Article
07/27/2022

Gets the font size.

Syntax

HRESULT GetFontRenderingEmSize(
  [out, retval] FLOAT *fontRenderingEmSize
);

Parameters

[out, retval] fontRenderingEmSize

The font size.

Return value

The method returns an HRESULT. Possible values include, but are not limited to, those in the table that follows. For information about XPS document API return values that are not listed in this table, see XPS Document Errors.

Return code	Description
S_OK	The method succeeded.
E_POINTER	fontRenderingEmSize is NULL.

Remarks

The em size that is returned in fontRenderingEmSize specifies the font size in the drawing surface units. The drawing surface units are expressed as floating-point values in the effective coordinate space.

In new glyph objects, the default value of fontRenderingEmSize is 10.0.

If the value of fontRenderingEmSize is 0.0, no text is displayed.

Requirements

Requirement	Value
Minimum supported client	Windows 7, Windows Vista with SP2 and Platform Update for Windows Vista [desktop apps \| UWP apps]
Minimum supported server	Windows Server 2008 R2, Windows Server 2008 with SP2 and Platform Update for Windows Server 2008 [desktop apps \| UWP apps]
Target Platform	Windows
Header	xpsobjectmodel.h