third_party/freetype2/src/docs/reference/ft2-gasp_table.html - Issue 1524973002: Update freetype sources (2.6.2) in third party.

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Issue 1524973002: Update freetype sources (2.6.2) in third party. (Closed) Base URL: https://github.com/domokit/mojo.git@master

Patch Set: Created 5 years ago

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Index: third_party/freetype2/src/docs/reference/ft2-gasp_table.html

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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

+"http://www.w3.org/TR/html4/loose.dtd">

+<html>

+<head>

+<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

+<title>FreeType-2.6.2 API Reference</title>

+<style type="text/css">

+ a:link { color: #0000EF; }

+ a:visited { color: #51188E; }

+ a:hover { color: #FF0000; }

+ body { font-family: Verdana, Geneva, Arial, Helvetica, serif;

+ color: #000000;

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+ width: 87%;

+ margin: auto; }

+ div.section { width: 75%;

+ margin: auto; }

+ div.section hr { margin: 4ex 0 1ex 0; }

+ div.section h4 { background-color: #EEEEFF;

+ font-size: medium;

+ font-style: oblique;

+ font-weight: bold;

+ margin: 3ex 0 1.5ex 9%;

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+ div.section pre { margin: 3ex 0 3ex 9%;

+ background-color: #D6E8FF;

+ padding: 2ex 0 2ex 1%; }

+ div.section table.fields { width: 90%;

+ margin: 1.5ex 0 1.5ex 10%; }

+ div.section table.toc { width: 95%;

+ margin: 1.5ex 0 1.5ex 5%; }

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+ pre.colored { color: blue; }

+ span.keyword { font-family: monospace;

+ text-align: left;

+ white-space: pre;

+ color: darkblue; }

+ table.fields td.val { font-weight: bold;

+ text-align: right;

+ width: 30%;

+ vertical-align: baseline;

+ padding: 1ex 1em 1ex 0; }

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+ font-size: 83%;

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+ font-size: 83%;

+ text-align: right; }

+ table.synopsis { margin: 6ex auto 6ex auto;

+ border: 0;

+ border-collapse: separate;

+ border-spacing: 2em 0.6ex; }

+ table.synopsis tr { padding: 0; }

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+ table.toc td.link { width: 30%;

+ text-align: right;

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+ text-align: left; }

+ table.toc td.desc p { margin: 1.5ex 0 0 0;

+ text-align: left; }

+</style>

+</head>

+<body>

+<table class="index-toc-link"><tr><td class="left">[<a href="ft2-index.html">Index</a>]</td><td class="right">[<a href="ft2-toc.html">TOC</a>]</td></tr></table>

+<h1>FreeType-2.6.2 API Reference</h1>

+<h1 id="gasp_table">Gasp Table</h1>

+<h2>Synopsis</h2>

+<table class="synopsis">

+<tr><td><a href="#FT_GASP_XXX">FT_GASP_XXX</a></td><td><a href="#FT_Get_Gasp">FT_Get_Gasp</a></td><td></td><td></td><td></td><td></td></tr>

+</table>

+<p>The function <a href="ft2-gasp_table.html#FT_Get_Gasp">FT_Get_Gasp</a> can be used to query a TrueType or OpenType font for specific entries in its ‘gasp’ table, if any. This is mainly useful when implementing native TrueType hinting with the bytecode interpreter to duplicate the Windows text rendering results.</p>

+<div class="section">

+<h3 id="FT_GASP_XXX">FT_GASP_XXX</h3>

+<p>Defined in FT_GASP_H (freetype/ftgasp.h).</p>

+<pre>

+#define <a href="ft2-gasp_table.html#FT_GASP_NO_TABLE">FT_GASP_NO_TABLE</a> -1

+#define <a href="ft2-gasp_table.html#FT_GASP_DO_GRIDFIT">FT_GASP_DO_GRIDFIT</a> 0x01

+#define <a href="ft2-gasp_table.html#FT_GASP_DO_GRAY">FT_GASP_DO_GRAY</a> 0x02

+#define <a href="ft2-gasp_table.html#FT_GASP_SYMMETRIC_SMOOTHING">FT_GASP_SYMMETRIC_SMOOTHING</a> 0x08

+#define <a href="ft2-gasp_table.html#FT_GASP_SYMMETRIC_GRIDFIT">FT_GASP_SYMMETRIC_GRIDFIT</a> 0x10

+</pre>

+<p>A list of values and/or bit-flags returned by the <a href="ft2-gasp_table.html#FT_Get_Gasp">FT_Get_Gasp</a> function.</p>

+<h4>values</h4>

+<table class="fields">

+<tr><td class="val" id="FT_GASP_NO_TABLE">FT_GASP_NO_TABLE</td><td class="desc">

+<p>This special value means that there is no GASP table in this face. It is up to the client to decide what to do.</p>

+</td></tr>

+<tr><td class="val" id="FT_GASP_DO_GRIDFIT">FT_GASP_DO_GRIDFIT</td><td class="desc">

+<p>Grid-fitting and hinting should be performed at the specified ppem. This <b>really</b> means TrueType bytecode interpretation. If this bit is not set, no hinting gets applied.</p>

+</td></tr>

+<tr><td class="val" id="FT_GASP_DO_GRAY">FT_GASP_DO_GRAY</td><td class="desc">

+<p>Anti-aliased rendering should be performed at the specified ppem. If not set, do monochrome rendering.</p>

+</td></tr>

+<tr><td class="val" id="FT_GASP_SYMMETRIC_SMOOTHING">FT_GASP_SYMMETRIC_SMOOTHING</td><td class="desc">

+<p>If set, smoothing along multiple axes must be used with ClearType.</p>

+</td></tr>

+<tr><td class="val" id="FT_GASP_SYMMETRIC_GRIDFIT">FT_GASP_SYMMETRIC_GRIDFIT</td><td class="desc">

+<p>Grid-fitting must be used with ClearType's symmetric smoothing.</p>

+</td></tr>

+</table>

+<h4>note</h4>

+<p>The bit-flags ‘FT_GASP_DO_GRIDFIT’ and ‘FT_GASP_DO_GRAY’ are to be used for standard font rasterization only. Independently of that, ‘FT_GASP_SYMMETRIC_SMOOTHING’ and ‘FT_GASP_SYMMETRIC_GRIDFIT’ are to be used if ClearType is enabled (and ‘FT_GASP_DO_GRIDFIT’ and ‘FT_GASP_DO_GRAY’ are consequently ignored).</p>

+<p>‘ClearType’ is Microsoft's implementation of LCD rendering, partly protected by patents.</p>

+<h4>since</h4>

+<p>2.3.0</p>

+<hr>

+<table class="index-toc-link"><tr><td class="left">[<a href="ft2-index.html">Index</a>]</td><td class="middle">[<a href="#">Top</a>]</td><td class="right">[<a href="ft2-toc.html">TOC</a>]</td></tr></table></div>

+<div class="section">

+<h3 id="FT_Get_Gasp">FT_Get_Gasp</h3>

+<p>Defined in FT_GASP_H (freetype/ftgasp.h).</p>

+<pre>

+ FT_EXPORT( <a href="ft2-basic_types.html#FT_Int">FT_Int</a> )

+ <b>FT_Get_Gasp</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,

+ <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> ppem );

+</pre>

+<p>Read the ‘gasp’ table from a TrueType or OpenType font file and return the entry corresponding to a given character pixel size.</p>

+<h4>input</h4>

+<table class="fields">

+<tr><td class="val" id="face">face</td><td class="desc">

+<p>The source face handle.</p>

+</td></tr>

+<tr><td class="val" id="ppem">ppem</td><td class="desc">

+<p>The vertical character pixel size.</p>

+</td></tr>

+</table>

+<h4>return</h4>

+<p>Bit flags (see <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_XXX</a>), or <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_NO_TABLE</a> if there is no ‘gasp’ table in the face.</p>

+<h4>since</h4>

+<p>2.3.0</p>

+<hr>

+</body>

+</html>