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<title>FreeType Glyph Conventions</title>
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<h1><a href="../../../index.html">FreeType</a> Glyph Conventions</h1>
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<div class="colmask leftmenu">
<div class="colright">
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<div class="col1">
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<div id="introduction">
<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 all developers who need to
understand digital typography, especially if you want to
use the FreeType 2 library in your projects.</p>
</div>
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<div id="contents">
<h3><a href="glyphs-1.html">I. Basic Typographic
Concepts</a></h3>
<ul>
<li>
<a href="glyphs-1.html#section-1">1. Font files, format
and information</a>
</li>
<li>
<a href="glyphs-1.html#section-2">2. Character images
and mappings</a>
</li>
<li>
<a href="glyphs-1.html#section-3">3. Character and font
metrics</a>
</li>
</ul>
<h3><a href="glyphs-2.html">II. Glyph Outlines</a></h3>
<ul>
<li>
<a href="glyphs-2.html#section-1">1. Pixels, points and
device resolutions</a>
</li>
<li>
<a href="glyphs-2.html#section-2">2. Vectorial
representation</a>
</li>
<li>
<a href="glyphs-2.html#section-3">3. Hinting and bitmap
rendering</a>
</li>
</ul>
<h3><a href="glyphs-3.html">III. Glyph Metrics</a></h3>
<ul>
<li>
<a href="glyphs-3.html#section-1">1. Baseline, pens and
layouts</a>
</li>
<li>
<a href="glyphs-3.html#section-2">2. Typographic metrics
and bounding boxes</a>
</li>
<li>
<a href="glyphs-3.html#section-3">3. Bearings and
advances</a>
</li>
<li>
<a href="glyphs-3.html#section-4">4. The effects of
grid-fitting</a>
</li>
<li>
<a href="glyphs-3.html#section-5">5. Text widths and
bounding box</a>
</li>
</ul>
<h3><a href="glyphs-4.html">IV. Kerning</a></h3>
<ul>
<li>
<a href="glyphs-4.html#section-1">1. Kerning pairs</a>
</li>
<li>
<a href="glyphs-4.html#section-2">2. Applying
kerning</a>
</li>
</ul>
<h3><a href="glyphs-5.html">V. Text Processing</a></h3>
<ul>
<li>
<a href="glyphs-5.html#section-1">1. Writing simple text
strings</a>
</li>
<li>
<a href="glyphs-5.html#section-2">2. Sub-pixel
positioning</a>
</li>
<li>
<a href="glyphs-5.html#section-3">3. Simple kerning</a>
</li>
<li>
<a href="glyphs-5.html#section-4">4. Right-to-left
layouts</a>
</li>
<li>
<a href="glyphs-5.html#section-5">5. Vertical
layouts</a>
</li>
</ul>
<h3><a href="glyphs-6.html">VI. FreeType Outlines</a></h3>
<ul>
<li>
<a href="glyphs-6.html#section-1">1. FreeType outline
description and structure</a>
</li>
<li>
<a href="glyphs-6.html#section-2">2. Bounding and
control box computations</a>
</li>
<li>
<a href="glyphs-6.html#section-3">3. Coordinates,
scaling, and grid-fitting</a>
</li>
</ul>
<h3><a href="glyphs-7.html">VII. FreeType Bitmaps</a></h3>
<ul>
<li>
<a href="glyphs-7.html#section-1">1. Vectorial versus
pixel coordinates</a>
</li>
<li>
<a href="glyphs-7.html#section-2">2. The <tt>FT_Bitmap</tt>
descriptor</a>
</li>
<li>
<a href="glyphs-7.html#section-3">3. Converting outlines
into bitmaps and pixmaps</a>
</li>
</ul>
</div>
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<div class="updated">
<p>Last update: 30-Jun-2013</p>
</div>
</div>
</div>
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</li>
<li class="secondary">
<a href="glyphs-1.html" class="current">FreeType Glyph Conventions</a>
</li>
<li class="tertiary">
<a href="glyphs-1.html">Basic Typographic Concepts</a>
</li>
<li class="tertiary">
<a href="glyphs-2.html">Glyph Outlines</a>
</li>
<li class="tertiary">
<a href="glyphs-3.html">Glyph Metrics</a>
</li>
<li class="tertiary">
<a href="glyphs-4.html">Kerning</a>
</li>
<li class="tertiary">
<a href="glyphs-5.html">Text Processing</a>
</li>
<li class="tertiary">
<a href="glyphs-6.html">FreeType Outlines</a>
</li>
<li class="tertiary">
<a href="glyphs-7.html">FreeType Bitmaps</a>
</li>
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