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| FreeType Glyph Conventions</h1></center> |
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| version 2.1</h2></center> |
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| Copyright 1998-2000 David Turner (<a href="mailto:david@freetype.org">david@freetype.org</a>)<br> |
| Copyright 2000 The FreeType Development Team (<a href="devel@freetype.org">devel@freetype.org</a>)</h3></center> |
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| Introduction |
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| <p>This document presents the core conventions used within the FreeType |
| library to manage font and glyph data. It is a <em>must-read</em> for |
| any people that needs to understand digital typography, especially |
| if you want to use the FreeType 2 library in your projects.</p> |
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| <table width="100%"><tr valign=center bgcolor="#CCCCFF"><td align=center><h2> |
| Table of Contents |
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| <a href="glyphs-1.html"> |
| <h2>I. Basic Typographic Concepts:</h2> |
| </a> |
| <ul> |
| <h3> |
| <a href="glyphs-1.html#section-1"> |
| 1. Font files, format and information |
| </a> |
| <br> |
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| <a href="glyphs-1.html#section-2"> |
| 2. Character images and mappings |
| </a> |
| <br> |
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| <a href="glyphs-1.html#section-3"> |
| 3. Character and font metrics |
| </a> |
| <br> |
| </ul> |
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| <h2>II. Glyph Outlines:</h2> |
| </a> |
| <ul> |
| <h3> |
| <a href="glyphs-2.html#section-1"> |
| 1. Pixels, Points and Device Resolutions |
| </a> |
| <br> |
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| <a href="glyphs-2.html#section-2"> |
| 2. Vectorial representation |
| </a> |
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| <a href="glyphs-2.html#section-3"> |
| 3. Hinting and bitmap rendering |
| </a> |
| <br> |
| </ul> |
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| <a href="glyphs-3.html"> |
| <h2>III. Glyph Metrics:</h2> |
| </a> |
| <ul> |
| <h3> |
| <a href="glyphs-3.html#section-1"> |
| 1. Baseline, Pens and Layouts |
| </a> |
| <br> |
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| <a href="glyphs-3.html#section-2"> |
| 2. Typographic metrics |
| </a> |
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| <a href="glyphs-3.html#section-3"> |
| 3. Bearings and Advances |
| </a> |
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| <a href="glyphs-3.html#section-4"> |
| 4. The effects of grid-fitting |
| </a> |
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| <a href="glyphs-3.html#section-5"> |
| 5. Text widths and bounding box |
| </a> |
| <br> |
| </ul> |
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| <h2>IV. Kerning:</h2> |
| </a> |
| <ul> |
| <h3> |
| <a href="glyphs-4.html#section-1"> |
| 1. Kerning pairs |
| </a> |
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| <a href="glyphs-4.html#section-2"> |
| 2. Applying kerning |
| </a> |
| <br> |
| </ul> |
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| <a href="glyphs-5.html"> |
| <h2>V. Text Processing:</h2> |
| </a> |
| <ul> |
| <h3> |
| <a href="glyphs-5.html#section-1"> |
| 1. Writing simple text strings |
| </a> |
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| <a href="glyphs-5.html#section-2"> |
| 2. Sub-pixel positioning |
| </a> |
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| <a href="glyphs-5.html#section-3"> |
| 3. Simple kerning |
| </a> |
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| <a href="glyphs-5.html#section-4"> |
| 4. Right-to-left layouts |
| </a> |
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| <a href="glyphs-5.html#section-5"> |
| 5. Vertical layouts |
| </a> |
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| <a href="glyphs-5.html#section-6"> |
| 6. WYSIWYG text layouts |
| </a> |
| <br> |
| </ul> |
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| <a href="glyphs-6.html"> |
| <h2>VI. FreeType Outlins:</h2> |
| </a> |
| <ul> |
| <h3> |
| <a href="glyphs-6.html#section-1"> |
| 1. FreeType outline description and structure |
| </a> |
| <br> |
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| <a href="glyphs-6.html#section-2"> |
| 2. Bounding and control box computations |
| </a> |
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| <a href="glyphs-6.html#section-3"> |
| 3. Coordinates, scaling and grid-fitting |
| </a> |
| <br> |
| </ul> |
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| <h2>VII. FreeType Bitmaps:</h2> |
| </a> |
| <ul> |
| <h3> |
| <a href="glyphs-7.html#section-1"> |
| 1. Vectorial versus pixel coordinates |
| </a> |
| <br> |
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| <a href="glyphs-7.html#section-2"> |
| 2. FreeType bitmap descriptor |
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| <a href="glyphs-7.html#section-3"> |
| 3. Converting outlines into bitmaps |
| </a> |
| <br> |
| </ul> |
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| </p> |
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