FontsManager

FontsManager class

Manages fonts across the presentation.

public class FontsManager : IFontsManager

Properties

NameDescription
FontFallBackRulesCollection { get; set; }Represents a user’s collection of FontFallBack rules for managing of collections of fonts for proper substitutions by fallback functionality Read/write IFontFallBackRulesCollection.
FontSubstRuleList { get; set; }Font substitutions to use when rendering. Read/write IFontSubstRuleCollection.
PreferRegisteredFontsOverEmbedded { get; set; }Specifies whether registered fonts should be preferred over embedded fonts with the same font name and style. When enabled, matching embedded fonts are temporarily replaced with corresponding registered fonts during export.

Methods

NameDescription
AddEmbeddedFont(byte[], EmbedFontCharacters)Adds the embedded font Keep in mind when copying any fonts that most fonts are copyrighted. First locate the license of a font before hand and verify they can be freely transferred to another machine.An ArgumentException can be thrown if font data is null or this font is already embedded
AddEmbeddedFont(IFontData, EmbedFontCharacters)Adds the embedded font Keep in mind when copying any fonts that most fonts are copyrighted. First locate the license of a font before hand and verify they can be freely transferred to another machine.An ArgumentException can be thrown if font data is null or this font is already embedded
GetEmbeddedFonts()Returns the fonts embedded in the presentation
GetFontBytes(IFontData, FontStyleType)Retrieves the byte array representing the font data for a specified font style and font data.
GetFontEmbeddingLevel(byte[], string)Determines the embedding level of a font from the given byte array and font name.
GetFonts()Returns the fonts used in the presentation
GetSubstitutions()Gets the information about fonts that will be replaced on the presentation’s rendering.
GetSubstitutions(int[])Gets the information about fonts that will be replaced during rendering of the specified slides.
RemoveEmbeddedFont(IFontData)Removes the embedded font
ReplaceFont(IFontSubstRule)Replace font in presentation using information provided in FontSubstRule
ReplaceFont(IFontSubstRuleCollection)Replace font in presentation using information provided in collection of FontSubstRule
ReplaceFont(IFontData, IFontData)Replace font in presentation

Examples

The following example shows how to add embedded fonts to PowerPoint Presentation.

[C#]
// Load presentation
using (Presentation presentation = new Presentation("Fonts.pptx"))
{
	// Load source font to be replaced
	IFontData sourceFont = new FontData("Arial");
	IFontData[] allFonts = presentation.FontsManager.GetFonts();
	IFontData[] embeddedFonts = presentation.FontsManager.GetEmbeddedFonts();
	foreach (IFontData font in allFonts)
	{
		if (!embeddedFonts.Contains(font))
		{
			presentation.FontsManager.AddEmbeddedFont(font, EmbedFontCharacters.All);
		}
	}
	// Save the presentation
	presentation.Save("AddEmbeddedFont_out.pptx", SaveFormat.Pptx);
}

See Also