IXpsOMGlyphs::SetFontRenderingEmSize method
Sets the font size of the text.
Syntax
HRESULT SetFontRenderingEmSize(
[in] FLOAT fontRenderingEmSize
);
Parameters
- fontRenderingEmSize [in]
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_INVALIDARG | The value of fontRenderingEmSize is not valid; it must be a non-negative number. |
Remarks
The em size returned in fontRenderingEmSize specifies the font size in drawing surface units. Drawing surface units are expressed as floating-point values in the units of 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.
A value of 0.0 results in no visible text being displayed.
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] |
Header |
Xpsobjectmodel.h |
IDL |
XpsObjectModel.idl |