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Leopard Reference Library: Text & Fonts
Typography is the arrangement and display of printed characters. Mac OS X provides applications with sophisticated support for font handling, text styling, line layout, image rendering, and Unicode text handling.

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Core Text Programming Guide (HTML) (PDF)
Explains how to do text layout and font-related operations using the Core Text programming interfaces.
Guides 2008-06-09
Font Handling (HTML) (PDF)
Explains the Cocoa font management system and how users select fonts.
Guides 2008-02-08
Apple Type Services for Fonts Programming Guide (HTML) (PDF)
Explains how to access fonts using the ATS-based font management API. Includes implementing the Fonts window.
Guides 2007-12-11
ATSUI Programming Guide (HTML) (PDF)
Explains how to lay out, process, and draw Unicode text.
Guides 2007-07-10
NSATSTypesetter Class Reference (HTML) (PDF)
Describes a typesetter that places glyphs for text layout.
Reference 2009-03-04
NSGlyphStorage Protocol Reference (HTML) (PDF)
Describes the interface between a glyph generator and glyph storage.
Reference 2009-01-06
Apple Type Services for Fonts Reference (HTML) (PDF)
Describes the C API for ATS-based font access and management.
Reference 2007-12-11
Core Text Reference Collection (HTML) (PDF)
Describes an API providing text and font services.
Reference 2007-12-04
ATSUI Reference (HTML) (PDF)
Describes the C API for rendering Unicode-encoded text with advanced typographic features.
Reference 2007-06-28
NSFont Class Reference (HTML) (PDF)
Describes a representation of a font.
Reference 2007-06-08
NSTypesetter Class Reference (HTML) (PDF)
Describes the interface for typesetter objects that perform text line layout.
Reference 2007-03-26
NSGlyphGenerator Class Reference (HTML) (PDF)
Describes a glyph generator for text layout.
Reference 2006-05-23
NSSimpleHorizontalTypesetter Class Reference (HTML) (PDF)
Deprecated - Describes the deprecated technology replaced by NSATSTypesetter.
Reference 2006-05-23
FontSync Reference (HTML) (PDF)
Describes the C API for content-based font identification and comparison.
Reference 2002-10-01
TextNameTool (HTML) (DMG) (ZIP)
A command line tool sample illustrating how to use various graphical facilities and services without a login.
Sample Code 2003-10-27
NamingTableAccess (HTML) (DMG) (ZIP)
Digs out the contents of the NamingTable in a TrueType 'sfnt'.
Sample Code 2003-01-14
The Euro Currency Symbol (HTML) (日本語 HTML)
TN1140: The available information about Mac OS and Mac Mac OS X Server support for the Euro currency symbol.
Technical Notes 2000-01-01
Improving ATSUI Text Drawing Performance (HTML)
QA1027: Talks about one way of improving ATSUI text drawing performance.
Technical Q&As 2001-04-17