- From: SVG Working Group repository <cam+svgwgrepo@mcc.id.au>
- Date: Thu, 10 Apr 2014 05:01:17 -0700
- To: public-svg-wg@w3.org
details: https://svgwg.org/hg/svg2/rev/f0b5cb1a9546
branches:
changeset: 651:f0b5cb1a9546
user: Chris Lilley <chris@w3.org>
date: Thu Apr 10 13:58:16 2014 +0200
description:
move woff parts of font chapter into text chapter, blow off fonts chapter
diffstat:
master/fonts.html | 1665 ----------------------------------------------------
master/publish.xml | 1 -
master/text.html | 88 ++-
3 files changed, 82 insertions(+), 1672 deletions(-)
diffs (1819 lines):
diff --git a/master/fonts.html b/master/fonts.html
deleted file mode 100644
--- a/master/fonts.html
+++ /dev/null
@@ -1,1665 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional+edit//EN" "xhtml1-transitional+edit.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xmlns:edit="http://xmlns.grorg.org/SVGT12NG/">
-<head>
- <title>Fonts</title>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
- <link rel="stylesheet" title="Default" type="text/css" media="screen" href="style/default_svg.css"/>
- <link rel="alternate stylesheet" title="No issues/annotations" type="text/css" media="screen" href="style/default_no_issues.css"/>
- <!--
- <link rel="alternate stylesheet" title="CSS3 Unmodified" type="text/css" media="screen" href="style/default.css"/>
- <link rel="alternate stylesheet" title="SVG 1.1" type="text/css" media="screen" href="style/svg-style.css"/>
- -->
- <!-- W3C style sheet will be added here during processing. -->
-</head>
-<body>
-
-<p class='issue'>SVG Fonts and this chapter are to be removed. Any wording from
-this chapter that describes how WOFF support is mandated, or how CSS Fonts
-functionality like <code>@font-face</code> can be used to reference Web fonts is
-to be moved, probably into the Text chapter. An informative reference to the
-SVG-in-OpenType work will probably be added too.</p>
-
-<h1>Fonts</h1>
-
-<div class="annotation svg2-requirement">
- <table>
- <tr>
- <th>SVG 2 Requirement:</th>
- <td>Include explicit support for Web Open Font Format (WOFF).</td>
- </tr>
- <tr>
- <th>Resolution:</th>
- <td><a href="http://www.w3.org/2011/03/01-svg-minutes.html#item03">We will mandate WOFF support in SVG 2.</a></td>
- </tr>
- <tr>
- <th>Purpose:</th>
- <td>To allow access to full OpenType features for internationalisation and advanced typography.</td>
- </tr>
- <tr>
- <th>Owner:</th>
- <td>Chris (no action)</td>
- </tr>
- </table>
-</div>
-
-<div class="annotation svg2-requirement">
- <table>
- <tr>
- <th>SVG 2 Requirement:</th>
- <td>Mandate support for SVG Tiny fonts.</td>
- </tr>
- <tr>
- <th>Resolution:</th>
- <td><a href="http://www.w3.org/2011/03/01-svg-minutes.html#item04">SVG 2 will mandate support for SVG Tiny fonts support, and SVG Full fonts will be specified in a separate module.</a></td>
- </tr>
- <tr>
- <th>Purpose:</th>
- <td>Backwards compatibility for deployed content.</td>
- </tr>
- <tr>
- <th>Owner:</th>
- <td>Erik (<a href="http://www.w3.org/Graphics/SVG/WG/track/actions/3126">ACTION-3126</a>),
- Chris (✓ <a href="http://www.w3.org/Graphics/SVG/WG/track/actions/3127">ACTION-3127</a>)</td>
- </tr>
- <tr>
- <th>Note:</th>
- <td>The "separate module" is now being worked on in the SVG Glyphs for OpenType community group.</td>
- </tr>
- </table>
-</div>
-
-<div class="annotation svg2-requirement">
- <table>
- <tr>
- <th>SVG 2 Requirement:</th>
- <td>Reference CSS3 Fonts.</td>
- </tr>
- <tr>
- <th>Resolution:</th>
- <td><a href="http://www.w3.org/2011/07/29-svg-minutes.html#item08">SVG 2 will depend on CSS3 Fonts.</a></td>
- </tr>
- <tr>
- <th>Purpose:</th>
- <td>Alignment with CSS 2.1 and CSS3 for Web font functionality, and to provide
- access to advanced typographic features of fonts.</td>
- </tr>
- <tr>
- <th>Owner:</th>
- <td>Chris (<a href="http://www.w3.org/Graphics/SVG/WG/track/actions/3123">ACTION-3123</a>)</td>
- </tr>
- </table>
-</div>
-
-<h2 id="Introduction">Introduction</h2>
-
-<p>Reliable delivery of fonts is a requirement for SVG.
-Designers need to create SVG content with arbitrary fonts and
-know that the same graphical result will appear when the
-content is viewed by all end users, even when end users do not
-have the necessary fonts installed on their computers. This
-parallels the print world, where the designer uses a given font
-when authoring a drawing for print, and the graphical content
-appears exactly the same in the printed version as it appeared
-on the designer's authoring system.</p>
-
-<p>SVG utilizes the
-<a href="http://dev.w3.org/csswg/css3-fonts/">WebFonts</a>
-facility defined in
-([<a href="refs.html#ref-CSS3FONTS">CSS3 Fonts</a>]) as a key
-mechanism for reliable delivery of font data to end users. In a
-common scenario, SVG authoring applications generate
-compressed, subsetted WebFonts
-for all text elements used by a given SVG document fragment.</p>
-
-<p>One disadvantage to the WebFont
-facility in the past was that specifications did not require
-support of particular font formats. The result was that
-different implementations supported different Web font formats,
-thereby making it difficult for Web site creators to post a
-single Web site using WebFonts that worked across all user
-agents.</p>
-
-<p>SVG 2 mandates support for Web Open Font Format [<a href="refs.html#ref-WOFF">WOFF</a>], which
- is now supported in <a href="http://w3c-test.org/framework/review/woff-at/">most user agents</a>. Besides enabling compressed, subsetted WebFonts
-with accompanying metadata for clear licensing, WOFF also benefits from OpenType multilingual features
-and support for advanced typography. Thus, content authors can author CSS to request discretionary ligatures,
-swash forms, old-style figures etc. while also ensuring that a font is provided which supports those features.</p>
-
-<p>In SVG 1.1, to provide a common font format for SVG that is guaranteed
-to be supported by all <a
-href="conform.html#ConformingSVGViewers">conforming SVG
-viewers</a>, SVG provideed a facility to define fonts in SVG.
-This facility was called <em>SVG fonts</em>. For backwards compatibility, SVG 2 requires support for a subset
-of SVG Fonts, SVG Tiny Fonts, which has been widely deployed especially for mobile content.</p>
-
-
-<h2 id="FontDescriptions">Describing a font</h2>
-
-<h3 id="FontDescriptionsOverview">Overview of font descriptions</h3>
-
-<p>A font description provides the bridge between an author's
-font specification and the font data, which is the data needed
-to format text and to render the abstract glyphs to which the
-characters map — the actual scalable outlines or bitmaps. Fonts
-are referenced by properties, such as the <a>'font-family'</a> property.</p>
-
-<p>Each specified font description is added to the font
-database and so that it can be used to select the relevant font
-data. The font description contains descriptors such as the
-location of the font data on the Web, and characterizations of
-that font data. The font descriptors are also needed to match
-the font properties to particular font data. The level of
-detail of a font description can vary from just the name of the
-font up to a list of glyph widths.</p>
-
-<p>For more about font descriptions, refer to
-<a href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/">CSS Fonts Module Level 3</a>.
-[<a href="refs.html#ref-CSS3FONTS">CSS3FONTS</a>]</p>
-
-<h3 id="FontDescriptionsAlternatives">Alternative ways for providing a font description</h3>
-
-<p>Font descriptions can be specified in either of the
-following ways:</p>
-
-<ul>
- <li>a <a>'font-face'</a> element</li>
-
- <li id="AtFontFace">an <a href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">@font-face rule</a>
- ([<a href="refs.html#ref-CSS3FONTS">CSS3FONTS</a>], section 4.1) within a CSS
- style sheet (only applicable for user agents which support using CSS to
- style the SVG content)</li>
-</ul>
-
-<h3 id="FontFaceElement">The <span class="element-name">'font-face'</span> element</h3>
-
-<edit:with element='font-face'>
-
-<p>The <a>'font-face'</a> element
-corresponds directly to the <a href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">@font-face facility</a>
-in CSS3 Fonts ([<a href="refs.html#ref-CSS3FONTS">CSS3FONTS</a>], section 4.1). It can be used to describe the
-characteristics of any font, SVG font or otherwise.</p>
-
-<p>When used to describe the characteristics of an SVG font
-contained within the same document, it is recommended that the
-<a>'font-face'</a> element be a
-child of the <a>'font element'</a> element it is describing
-so that the <a>'font element'</a> element can be
-self-contained and fully-described. In this case, any
-<a>'font-face-src'</a> elements within
-the <a>'font-face'</a> element are
-ignored as it is assumed that the <a>'font-face'</a> element is describing
-the characteristics of its parent <a>'font element'</a> element.</p>
-
-<edit:elementsummary name='font-face'/>
-
- <div class="adef-list">
- <p><em>Attribute definitions:</em></p>
- <dl>
- <dt id="FontFaceElementFontFamilyAttribute"><span
- class="adef">font-family</span> = "<span
- class="attr-value"><string></span>"</dt>
- <dd>Same syntax and semantics as the <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-family-desc">
- <span class="property">'font-family'</span></a> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">@font-face rule</a>.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementFontStyleAttribute"><span
- class="adef">font-style</span> = "<span
- class="attr-value">all | [ normal | italic | oblique] [,
- [normal | italic | oblique]]*</span>"</dt>
- <dd>Same syntax and semantics as the <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-prop-desc"><span class="property">'font-style'</span></a> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>. The style of a font. Takes on the same
- values as the <a>'font-style property'</a>
- property, except that a comma-separated list is
- permitted.<br />
- If the attribute is not specified, the effect is as if a
- value of <span class='attr-value'>'all'</span> were specified.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementFontVariantAttribute"><span
- class="adef">font-variant</span> = "<span
- class="attr-value">[normal | small-caps] [,[normal |
- small-caps]]*</span>"</dt>
- <dd>Same syntax and semantics as the <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-rend-desc">
- <span class="property">'font-variant'</span></a>
- descriptor within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>. Indication of whether this face is the
- small-caps variant of a font. Takes on the same values as
- the <a>'font-variant property'</a>
- property, except that a comma-separated list is
- permitted.<br />
- If the attribute is not specified, the effect is as if a
- value of <span class='attr-value'>'normal'</span> were specified.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementFontWeightAttribute"><span
- class="adef">font-weight</span> = "<span
- class="attr-value">all | [normal | bold | 100 | 200 | 300 |
- 400 | 500 | 600 | 700 | 800 | 900] [, [normal | bold | 100 |
- 200 | 300 | 400 | 500 | 600 | 700 | 800 |
- 900]]*</span>"</dt>
- <dd>
- Same syntax and semantics as the <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-prop-desc">
- <span class="property">'font-weight'</span></a>
- descriptor within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>.<br />
- The weight of a face relative to others in the same font
- family. Takes on the same values as the <a>'font-weight property'</a>
- property with three exceptions:
- <ul>
- <li>relative keywords (<span class='prop-value'>bolder</span>, <span class='prop-value'>lighter</span>) are not
- permitted</li>
- <li>a comma-separated list of values is permitted, for
- fonts that contain multiple weights</li>
- <li>an additional keyword, <span class='attr-value'>'all'</span>, is permitted, which
- means that the font will match for all possible
- weights; either because it contains multiple weights,
- or because that face only has a single weight.</li>
- </ul>
- If the attribute is not specified, the effect is as if a
- value of <span class='attr-value'>'all'</span> were specified.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>: no.</span>
- </dd>
- <dt id="FontFaceElementFontStretchAttribute"><span
- class="adef">font-stretch</span> = "<span
- class="attr-value">all | [ normal | ultra-condensed |
- extra-condensed | condensed | semi-condensed |
- semi-expanded | expanded | extra-expanded | ultra-expanded]
- [, [ normal | ultra-condensed | extra-condensed | condensed
- | semi-condensed | semi-expanded | expanded |
- extra-expanded | ultra-expanded] ]*</span>"</dt>
- <dd>
- Same syntax and semantics as the <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-prop-desc">
- <span class="property">'font-stretch'</span></a>
- descriptor within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>. Indication of the condensed or
- expanded nature of the face relative to others in the
- same font family. Takes on the same values as the <a>'font-stretch property'</a>
- property except that:
- <ul>
- <li>relative keywords (<span class='prop-value'>wider</span>, <span class='prop-value'>narrower</span>) are not
- permitted</li>
- <li>a comma-separated list is permitted</li>
- <li>the keyword <span class='attr-value'>'all'</span> is permitted</li>
- </ul>
- If the attribute is not specified, the effect is as if a
- value of <span class='attr-value'>'normal'</span> were specified.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>: no.</span>
- </dd>
- <dt id="FontFaceElementFontSizeAttribute"><span
- class="adef">font-size</span> = "<span
- class="attr-value"><string></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'font-size'</span> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have a font-size descriptor.</p>
- </dd>
- <dt id="FontFaceElementUnicodeRangeAttribute"><span
- class="adef">unicode-range</span> = "<span
- class="attr-value"><urange> [,
- <urange>]*</span>"</dt>
- <dd>Same syntax and semantics as the <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#descdef-unicode-range">
- <span class="property">'unicode-range'</span></a>
- descriptor within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>. The range of ISO 10646 characters [<a href="refs.html#ref-UNICODE">UNICODE</a>]
- possibly covered by the glyphs in the font. Except for any
- additional information provided in this specification, the
- <a href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#descdef-unicode-range">normative definition of the attribute</a>
- is in CSS 2.1 ([<a href="refs.html#ref-CSS21">CSS21</a>], section 4.5).<br />
- If the attribute is not specified, the effect is as if a
- value of <span class='attr-value'>'U+0-10FFFF'</span> were specified.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementUnitsPerEmAttribute"><span
- class="adef">units-per-em</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'units-per-em'</span>
- descriptor within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>. The number of coordinate units on the
- em square, the size of the design grid on which glyphs are
- laid out.<br />
- This value is almost always necessary as nearly every
- other attribute requires the definition of a design
- grid.<br />
- If the attribute is not specified, the effect is as if a
- value of <span class='attr-value'>'1000'</span> were specified.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have a units-per-em descriptor.</p>
- </dd>
- <dt id="FontFaceElementPanose1Attribute"><span
- class="adef">panose-1</span> = "<span
- class="attr-value">[<integer>]{10}</span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'panose-1'</span> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>. The Panose-1 number, consisting of ten
- decimal integers, separated by whitespace. Except for any
- additional information provided in this specification, the
- normative definition of the attribute
- is in CSS2.<br />
- If the attribute is not specified, the effect is as if a
- value of <span class='attr-value'>'0 0 0 0 0 0 0 0 0 0'</span> were specified.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have a panose-1 descriptor.</p>
- </dd>
- <dt id="FontFaceElementStemvAttribute"><span
- class="adef">stemv</span> = "<span class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'stemv'</span> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have a stemv descriptor.</p>
- </dd>
- <dt id="FontFaceElementStemhAttribute"><span
- class="adef">stemh</span> = "<span class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'stemh'</span> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have a stemh descriptor.</p>
- </dd>
- <dt id="FontFaceElementSlopeAttribute"><span
- class="adef">slope</span> = "<span class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'slope'</span> descriptor
- within an <a
- href="http://www.w3.org/TR/2008/REC-CSS2-20080411/fonts.html#font-descriptions">
- @font-face rule</a>. The vertical stroke angle of the font.
- Except for any additional information provided in this
- specification, the normative definition of the attribute
- is in CSS2.<br />
- If the attribute is not specified, the effect is as if a
- value of <span class='attr-value'>'0'</span> were specified.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have a slope descriptor.</p>
- </dd>
- <dt id="FontFaceElementCapHeightAttribute"><span
- class="adef">cap-height</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'cap-height'</span> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>. The height of uppercase glyphs in the
- font within the font coordinate system.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have a cap-height descriptor.</p>
- </dd>
- <dt id="FontFaceElementXHeightAttribute"><span
- class="adef">x-height</span> = "<span class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'x-height'</span> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>. The height of lowercase glyphs in the
- font within the font coordinate system.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have an x-height descriptor.</p>
- </dd>
- <dt id="FontFaceElementAccentHeightAttribute"><span
- class="adef">accent-height</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>The distance from the origin to the top of accent
- characters, measured by a distance within the font
- coordinate system.<br />
- If the attribute is not specified, the effect is as if the
- attribute were set to the value of the <a>'ascent'</a> attribute.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementAscentAttribute"><span
- class="adef">ascent</span> = "<span class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'ascent'</span> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>. The maximum unaccented height of the
- font within the font coordinate system.<br />
- If the attribute is not specified, the effect is as if the
- attribute were set to the difference between the <a>'units-per-em'</a>
- value and the <a>'font/vert-origin-y'</a> value for the
- corresponding font.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have an ascent descriptor.</p>
- </dd>
- <dt id="FontFaceElementDescentAttribute"><span
- class="adef">descent</span> = "<span class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'descent'</span> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>. The maximum unaccented depth of the
- font within the font coordinate system.<br />
- If the attribute is not specified, the effect is as if the
- attribute were set to the <a>'font/vert-origin-y'</a> value for the
- corresponding font.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have a descent descriptor.</p>
- </dd>
- <dt id="FontFaceElementWidthsAttribute"><span
- class="adef">widths</span> = "<span
- class="attr-value"><string></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'widths'</span> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have a widths descriptor.</p>
- </dd>
- <dt id="FontFaceElementBboxAttribute"><span
- class="adef">bbox</span> = "<span
- class="attr-value"><string></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'bbox'</span> descriptor within
- an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have a bbox descriptor.</p>
- </dd>
- <dt id="FontFaceElementIdeographicAttribute"><span
- class="adef">ideographic</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>For horizontally oriented glyph layouts, indicates the
- alignment coordinate for glyphs to achieve ideographic
- baseline alignment. The value is an offset in the font
- coordinate system.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementAlphabeticAttribute"><span
- class="adef">alphabetic</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'baseline'</span> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>. For horizontally oriented glyph
- layouts, indicates the alignment coordinate for glyphs to
- achieve alphabetic baseline alignment. The value is an
- offset in the font coordinate system.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have a baseline descriptor.</p>
- </dd>
- <dt id="FontFaceElementMathematicalAttribute"><span
- class="adef">mathematical</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>Same syntax and semantics as the
- <span class="property">'mathline'</span> descriptor
- within an <a
- href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">
- @font-face rule</a>. For horizontally oriented glyph
- layouts, indicates the alignment coordinate for glyphs to
- achieve mathematical baseline alignment. The value is an
- offset in the font coordinate system.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span>
- <p class="issue">CSS3 Fonts does not have a mathline descriptor.</p>
- </dd>
- <dt id="FontFaceElementHangingAttribute"><span
- class="adef">hanging</span> = "<span class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>For horizontally oriented glyph layouts, indicates the
- alignment coordinate for glyphs to achieve hanging baseline
- alignment. The value is an offset in the font coordinate
- system.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementVertIdeographicAttribute"><span
- class="adef">v-ideographic</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>For vertically oriented glyph layouts, indicates the
- alignment coordinate for glyphs to achieve ideographic
- baseline alignment. The value is an offset in the font
- coordinate system relative to the glyph-specific <a>'glyph/vert-origin-x'</a> attribute.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementVertAlphabeticAttribute"><span
- class="adef">v-alphabetic</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>For vertically oriented glyph layouts, indicates the
- alignment coordinate for glyphs to achieve alphabetic
- baseline alignment. The value is an offset in the font
- coordinate system relative to the glyph-specific <a>'glyph/vert-origin-x'</a> attribute.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementVertMathematicalAttribute"><span
- class="adef">v-mathematical</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>For vertically oriented glyph layouts, indicates the
- alignment coordinate for glyphs to achieve mathematical
- baseline alignment. The value is an offset in the font
- coordinate system relative to the glyph-specific <a>'glyph/vert-origin-x'</a> attribute.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementVertHangingAttribute"><span
- class="adef">v-hanging</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>For vertically oriented glyph layouts, indicates the
- alignment coordinate for glyphs to achieve hanging baseline
- alignment. The value is an offset in the font coordinate
- system relative to the glyph-specific <a>'glyph/vert-origin-x'</a> attribute.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementUnderlinePositionAttribute"><span
- class="adef">underline-position</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>The ideal position of an underline within the font
- coordinate system.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementUnderlineThicknessAttribute"><span class="adef">underline-thickness</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>The ideal thickness of an underline, expressed as a
- length within the font coordinate system.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementStrikeThroughPositionAttribute"><span class="adef">strikethrough-position</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>The ideal position of a strike-through within the font
- coordinate system.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementStrikeThroughThicknessAttribute"><span class="adef">strikethrough-thickness</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>The ideal thickness of a strike-through, expressed as a
- length within the font coordinate system.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementOverlinePositionAttribute"><span
- class="adef">overline-position</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>The ideal position of an overline within the font
- coordinate system.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontFaceElementOverlineThicknessAttribute"><span
- class="adef">overline-thickness</span> = "<span
- class="attr-value"><a
- href="types.html#DataTypeNumber"><number></a></span>"</dt>
- <dd>The ideal thickness of an overline, expressed as a
- length within the font coordinate system.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- </dl>
- </div>
-
-</edit:with>
-
-<p>The following elements and attributes correspond to the
-<span class="property">'src'</span> descriptor within an
-@font-face rule. Refer to the descriptions of the
-<a href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">@font-face rule</a> and
-<a href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#src-desc">'src' descriptor</a>
-in the CSS 2.1 specification ([<a href="refs.html#ref-CSS21">CSS21</a>],
-sections 4.1 and 4.3.)</p>
-
-<h3 id="FontFaceSrcElement">The <span class="element-name">'font-face-src'</span> element</h3>
-
-<edit:with element='font-face-src'>
-
-<p>The <a>'font-face-src'</a> element, together with the
-<a>'font-face-uri'</a> and <a>'font-face-format'</a> elements described in the
-following sections, correspond to the <span class='property'>'src'</span>
-descriptor within an @font-face rule. (Refer to the descriptions of the
-<a href='http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#src-desc'>@font-face rule</a>
-and <a href='http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#src-desc'>'src' descriptor</a>
-in the CSS3 Fonts specification ([<a href='refs.html#ref-CSS3FONTS'>CSS3FONTS</a>], sections
-4.1 and 4.3.)</p>
-
-<p>A <a>'font-face-src'</a> element contains <a>'font-face-uri'</a> and
-<a>'font-face-name'</a> elements, which are used for referencing external
-and local fonts, respectively.</p>
-
-<edit:elementsummary name='font-face-src'/>
-
-</edit:with>
-
-<h3 id="FontFaceURIElement">The <span class='element-name'>'font-face-uri'</span> and <span class='element-name'>'font-face-format'</span> elements</h3>
-
-<edit:with element='font-face-uri'>
-
-<p>The <a>'font-face-uri'</a> element is used within a <a>'font-face-src'</a>
-element to reference a font defined inside or outside of the current SVG
-document.</p>
-
-<p>When a <a>'font-face-uri'</a> is referencing an <a href='#SVGFontsOverview'>SVG font</a>,
-then that reference must be to an SVG <a>'font element'</a> element, therefore
-requiring the use of a fragment identifier [<a href='refs.html#ref-RFC3986'>RFC3986</a>].
-The referenced <a>'font element'</a> element can be local (i.e., within the same
-document as the <a>'font-face-uri'</a> element) or remote (i.e., within a
-different document).</p>
-
-<edit:elementsummary name='font-face-uri'/>
-
-<div class="adef-list">
- <p><em>Attribute definitions:</em></p>
- <dl>
- <dt id="FontFaceUriElementHrefAttribute"><span class='adef'>xlink:href</span> =
- "<span class='attr-value'><a href='types.html#DataTypeIRI'><IRI></a></span>"</dt>
- <dd>
- The <a>'xlink:href'</a> attribute specifies the location of the referenced
- font.<br/>
- <span class="anim-target"><a href="animate.html#Animatable">Animatable</a>: no.</span>
- </dd>
- </dl>
-</div>
-
-</edit:with>
-
-<edit:with element='font-face-format'>
-
-<p>Child <a>'font-face-format'</a> elements of a <a>'font-face-uri'</a>
-element are used to specify the supported formats of the font referenced by that
-<a>'font-face-uri'</a> element. They correspond to entries in a
-<span class='prop-value'>format(…)</span> clause of the
-<span class='property'>'src'</span> descriptor in an @font-face rule.</p>
-
-<div id="FontFaceFormatElement">
-<edit:elementsummary name='font-face-format'/>
-</div>
-
-<div class="adef-list">
- <p><em>Attribute definitions:</em></p>
- <dl>
- <dt id="FontFaceFormatElementStringAttribute"><span class='adef'>string</span> =
- "<span class='attr-value'><a href='types.html#DataTypeAnything'><anything></a></span>"</dt>
- <dd>
- The <a>'string'</a> attribute is a hint to the user agent, and specifies
- a list of formats that the font referenced by the parent <a>'font-face-uri'</a>
- element supports. The syntax of the attribute value is a format string
- as defined in CSS2,
- such as <span class='attr-value'>'truetype'</span>. Refer to the description of the
- 'src' descriptor
- in CSS2 for details on how the format hint is interpreted.<br/>
- <span class="anim-target"><a href="animate.html#Animatable">Animatable</a>: no.</span>
- <p class="issue">CSS3 Fonts does not have format strings.</p>
- </dd>
- </dl>
-</div>
-
-</edit:with>
-
-<h3 id="FontFaceNameElement">The <span class='element-name'>'font-face-name'</span> element</h3>
-
-<edit:with element='font-face-name'>
-
-<p>The <a>'font-face-name'</a> element is used within a <a>'font-face-src'</a>
-element to reference a local font by name. It corresponds to a <span class='prop-value'>local(…)</span>
-clause in an @font-face rule <span class='property'>'src'</span> descriptor.</p>
-
-<edit:elementsummary name='font-face-name'/>
-
-<div class="adef-list">
- <p><em>Attribute definitions:</em></p>
- <dl>
- <dt id="FontFaceNameElementNameAttribute"><span class='adef'>name</span> =
- "<span class='attr-value'><a href='types.html#DataTypeAnything'><anything></a></span>"</dt>
- <dd>
- The <a>'name'</a> attribute specifies the name of a local font. Unlike
- the syntax allowed between the parentheses of the <span class='prop-value'>local(…)</span>
- clause in an @font-face rule <span class='property'>'src'</span> descriptor,
- the font name specified in this attribute is not surrounded in single or
- double quotes. Refer to the description of the <a href='http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#src-desc'>'src' descriptor</a>
- in CSS3 Fonts for details on how the font name is interpreted
- ([<a href='refs.html#ref-CSS3FONTS'>CSS3FONTS</a>], section 4.3).<br/>
- <span class="anim-target"><a href="animate.html#Animatable">Animatable</a>: no.</span>
- </dd>
- </dl>
-</div>
-
-</edit:with>
-
-
-<h2 id="SVGFontsOverview">Overview of SVG fonts</h2>
-
-<p>An SVG font is a font defined
-using SVG's <a>'font element'</a> element.</p>
-
-<p>The purpose of SVG fonts is to allow for delivery of glyph
-outlines in display-only environments. SVG fonts that accompany
-Web pages must be supported only in browsing and viewing
-situations. Graphics editing applications or file translation
-tools must not attempt to convert SVG fonts into system fonts.
-The intent is that SVG files be interchangeable between two
-content creators, but not the SVG fonts that might accompany
-these SVG files. Instead, each content creator will need to
-license the given font before being able to successfully edit
-the SVG file. The <a>'font-face-name'</a> element
-indicates the name of licensed font to use for editing.</p>
-
-<p>SVG fonts contain unhinted font outlines. Because of this,
-on many implementations there will be limitations regarding the
-quality and legibility of text in small font sizes. For
-increased quality and legibility in small font sizes, content
-creators may want to use an alternate font technology, such as
-fonts that ship with operating systems or an alternate WebFont
-format.</p>
-
-<p>Because SVG fonts are expressed using SVG elements and
-attributes, in some cases the SVG font will take up more space
-than if the font were expressed in a different WebFont
-format which was especially designed for compact expression of
-font data. For the fastest delivery of Web pages, content
-creators may want to use an alternate font technology.</p>
-
-<p>A key value of SVG fonts is guaranteed availability in SVG
-user agents. In some situations, it might be appropriate for an
-SVG font to be the first choice for rendering some text. In
-other situations, the SVG font might be an alternate, back-up
-font in case the first choice font (perhaps a hinted system
-font) is not available to a given user.</p>
-
-<p>The characteristics and attributes of SVG fonts correspond
-closely to the font characteristics and parameters described in
-the <a href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/">CSS Fonts Modules Level 3 specification</a>
-[<a href="refs.html#ref-CSS3FONTS">CSS3FONTS</a>]. In this model,
-various font metrics, such as advance values and baseline
-locations, and the glyph outlines themselves, are expressed in
-units that are relative to an abstract square whose height is
-the intended distance between lines of type in the same type
-size. This square is called the <em>em square</em> and
-it is the design grid on which the glyph
-outlines are defined. The value of the <a>'font-face/units-per-em'</a>
-attribute on the <a>'font-face'</a> element specifies how
-many units the em square is divided into. Common values for
-other font types are, for example, 250 (Intellifont), 1000
-(Type 1) and 2048 (TrueType, TrueType GX and Open-Type). Unlike
-standard graphics in SVG, where the initial coordinate system
-has the y-axis pointing downward (see <a
-href="coords.html#InitialCoordinateSystem">The initial
-coordinate system</a>), the design grid for SVG fonts, along
-with the initial coordinate system for the glyphs, has the
-y-axis pointing upward for consistency with accepted industry
-practice for many popular font formats.</p>
-
-<p>SVG fonts and their associated glyphs do not specify
-bounding box information. Because the glyph outlines are
-expressed as SVG graphics elements, the implementation has the
-option to render the glyphs either using standard graphics
-calls or by using special-purpose font rendering technology, in
-which case any necessary maximum bounding box and overhang
-calculations can be performed from analysis of the graphics
-elements contained within the glyph outlines.</p>
-
-<p>An SVG font can be either embedded within the same document
-that uses the font or saved as part of an external
-resource.</p>
-
-<p>Here is an example of how you might embed an SVG font inside
-of an SVG document.</p>
-
-<pre><![CDATA[
-<?xml version="1.0" standalone="yes"?>
-<svg width="400px" height="300px" version="1.1"
- xmlns = 'http://www.w3.org/2000/svg'>
- <defs>
- <font id="Font1" horiz-adv-x="1000">
- <font-face font-family="Super Sans" font-weight="bold" font-style="normal"
- units-per-em="1000" cap-height="600" x-height="400"
- ascent="700" descent="300"
- alphabetic="0" mathematical="350" ideographic="400" hanging="500">
- <font-face-src>
- <font-face-name name="Super Sans Bold"/>
- </font-face-src>
- </font-face>
- <missing-glyph><path d="M0,0h200v200h-200z"/></missing-glyph>
- <glyph unicode="!" horiz-adv-x="300"><!-- Outline of exclam. pt. glyph --></glyph>
- <glyph unicode="@"><!-- Outline of @ glyph --></glyph>
- <!-- more glyphs -->
- </font>
- </defs>
- <text x="100" y="100"
- style="font-family: 'Super Sans', Helvetica, sans-serif;
- font-weight: bold; font-style: normal">Text
- using embedded font</text>
-</svg>
-]]></pre>
-
-<p>Here is an example of how you might use the
-<a href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-face-rule">CSS @font-face facility</a>
-([<a href="refs.html#ref-CSS3FONTS">CSS3FONTS</a>], section 4.1) to reference an SVG font which is saved
-in an external file. First referenced SVG font file:</p>
-
-<pre><![CDATA[
-<?xml version="1.0" standalone="yes"?>
-<svg width="100%" height="100%" version="1.1"
- xmlns = 'http://www.w3.org/2000/svg'>
- <defs>
- <font id="Font2" horiz-adv-x="1000">
- <font-face font-family="Super Sans" font-weight="normal" font-style="italic"
- units-per-em="1000" cap-height="600" x-height="400"
- ascent="700" descent="300"
- alphabetic="0" mathematical="350" ideographic="400" hanging="500">
- <font-face-src>
- <font-face-name name="Super Sans Italic"/>
- </font-face-src>
- </font-face>
- <missing-glyph><path d="M0,0h200v200h-200z"/></missing-glyph>
- <glyph unicode="!" horiz-adv-x="300"><!-- Outline of exclam. pt. glyph --></glyph>
- <glyph unicode="@"><!-- Outline of @ glyph --></glyph>
- <!-- more glyphs -->
- </font>
- </defs>
-</svg>
-]]></pre>
-
-<p>The SVG file which uses/references the above SVG font</p>
-
-<pre><![CDATA[
-<?xml version="1.0" standalone="yes"?>
-<svg width="400px" height="300px" version="1.1"
- xmlns = 'http://www.w3.org/2000/svg'>
- <defs>
- <style type="text/css">
- @font-face {
- font-family: 'Super Sans';
- font-weight: normal;
- font-style: italic;
- src: url("myfont.svg#Font2") format("svg")
- }
- </style>
- </defs>
- <text x="100" y="100"
- style="font-family: 'Super Sans'; font-weight:normal;
- font-style: italic">Text using referenced font</text>
-</svg>
-]]></pre>
-
-<h2 id="FontElement">The <span class="element-name">'font'</span> element</h2>
-
-<edit:with element='font'>
-
-<p>The <a>'font element'</a> element defines an SVG font.</p>
-
-<edit:elementsummary name='font'/>
-
- <div class="adef-list">
- <p><em>Attribute definitions:</em></p>
- <dl>
- <dt id="FontElementHorizOriginXAttribute"><span
- class="adef">horiz-origin-x</span> = "<span
- class="attr-value"><number></span>"</dt>
- <dd>The X-coordinate in the font coordinate system of the
- origin of a glyph to be used when drawing horizontally
- oriented text. (Note that the origin applies to all glyphs
- in the font.)<br />
- If the attribute is not specified, the effect is as if a
- value of <span class='attr-value'>'0'</span> were specified.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontElementHorizOriginYAttribute"><span
- class="adef">horiz-origin-y</span> = "<span
- class="attr-value"><number></span>"</dt>
- <dd>The Y-coordinate in the font coordinate system of the
- origin of a glyph to be used when drawing horizontally
- oriented text. (Note that the origin applies to all glyphs
- in the font.)<br />
- If the attribute is not specified, the effect is as if a
- value of <span class='attr-value'>'0'</span> were specified.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontElementHorizAdvXAttribute"><span
- class="adef">horiz-adv-x</span> = "<span
- class="attr-value"><number></span>"</dt>
- <dd>The default horizontal advance after rendering a glyph
- in horizontal orientation. Glyph widths are required to be
- non-negative, even if the glyph is typically rendered
- right-to-left, as in Hebrew and Arabic scripts.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontElementVertOriginXAttribute"><span
- class="adef">vert-origin-x</span> = "<span
- class="attr-value"><number></span>"</dt>
- <dd>The default X-coordinate in the font coordinate system
- of the origin of a glyph to be used when drawing vertically
- oriented text.<br />
- If the attribute is not specified, the effect is as if the
- attribute were set to half of the effective value of
- attribute <a>'horiz-adv-x'</a>.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontElementVertOriginYAttribute"><span
- class="adef">vert-origin-y</span> = "<span
- class="attr-value"><number></span>"</dt>
- <dd>The default Y-coordinate in the font coordinate system
- of the origin of a glyph to be used when drawing vertically
- oriented text.<br />
- If the attribute is not specified, the effect is as if the
- attribute were set to the position specified by the font's
- <a>'font-face/ascent'</a> attribute.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="FontElementVertAdvYAttribute"><span
- class="adef">vert-adv-y</span> = "<span
- class="attr-value"><number></span>"</dt>
- <dd>The default vertical advance after rendering a glyph in
- vertical orientation.<br />
- If the attribute is not specified, the effect is as if a
- value equivalent of one <em>em</em> were specified (see
- <a>'font-face/units-per-em'</a>).<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- </dl>
- </div>
-
-<p>Each <a>'font element'</a> element must have a <a>'font-face'</a>
-child element which describes various characteristics of the font.</p>
-
-</edit:with>
-
-<h2 id='GlyphElement'>The <span class="element-name">'glyph'</span> element</h2>
-
-<edit:with element='glyph'>
-
-<p>The <a>'glyph'</a> element
-defines the graphics for a given glyph. The coordinate system
-for the glyph is defined by the various attributes in the
-<a>'font element'</a> element.</p>
-
-<p>The graphics that make up the <a>'glyph'</a> can be a single
-<a href="paths.html#PathData">path data</a> specification within
-the <a>'d'</a> attribute, arbitrary SVG as
-content within the <a>'glyph'</a>, or both.
-These two alternatives are processed differently (see
-below).</p>
-
-<edit:elementsummary name='glyph'/>
-
- <div class="adef-list">
- <p><em>Attribute definitions:</em></p>
- <dl>
- <dt id="GlyphElementUnicodeAttribute"><span
- class="adef">unicode</span> = "<span
- class="attr-value"><string></span>"</dt>
- <dd>One or more Unicode characters indicating the sequence
- of Unicode characters which corresponds to this glyph. If a
- character is provided, then this glyph corresponds to the
- given Unicode character. If multiple characters are
- provided, then this glyph corresponds to the given sequence
- of Unicode characters. One use of a sequence of characters
- is ligatures. For example, if <span
- class="attr-value">unicode="ffl"</span>, then the given
- glyph will be used to render the sequence of characters
- "f", "f", and "l".<br />
- <br />
- It is often useful to refer to characters using XML
- character references expressed in hexadecimal notation or
- decimal notation. For example, <span
- class="attr-value">unicode="ffl"</span> could be expressed
- as XML character references in hexadecimal notation as
- <span
- class="attr-value">unicode="&#x66;&#x66;&#x6c;"</span>
- or in decimal notation as <span
- class="attr-value">unicode="&#102;&#102;&#108;"</span>.<br />
- <br />
- The <a>'unicode'</a> attribute
- contributes to the process for deciding which glyph(s) are
- used to represent which character(s). See <a
- href="fonts.html#GlyphSelectionRules">glyph selection
- rules</a>. If the <a>'unicode'</a> attribute is not
- provided for a given <a>'glyph'</a>, then the only way
- to use this glyph is via an <a>'altGlyph'</a> reference.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="GlyphElementGlyphNameAttribute"><span
- class="adef">glyph-name</span> = "<span
- class="attr-value"><author-ident> [, <author-ident> ]*</span>
- "</dt>
- <dd>A name for the glyph. It is recommended that glyph
- names be unique within a font. The glyph names can be used
- in situations where Unicode character numbers do not
- provide sufficient information to access the correct glyph,
- such as when there are multiple glyphs per Unicode
- character. The glyph names can be referenced in <a
- href="fonts.html#KernElements">kerning</a>
- definitions.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="GlyphElementDAttribute"><span
- class="adef">d</span> = "<span class="attr-value">path
- data</span>"</dt>
- <dd>The definition of the outline of a glyph, using the
- same syntax as for the <a>'path/d'</a> attribute on a <a>'path'</a>
- element. See <a href="paths.html#PathData">Path data</a>.<br />
- See below for a discussion of this attribute.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="GlyphElementOrientationAttribute"><span
- class="adef">orientation</span> = "<span
- class="attr-value">h | v</span>"</dt>
- <dd>Indicates that the given glyph is only to be used for a
- particular inline-progression-direction (i.e., horizontal
- or vertical). If the attribute is not specified, then the
- glyph can be used in all cases (i.e., both horizontal and
- vertical inline-progression-direction).<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="GlyphElementArabicFormAttribute"><span
- class="adef">arabic-form</span> = "<span
- class="attr-value">initial | medial | terminal |
- isolated</span>"</dt>
- <dd>For Arabic glyphs, indicates which of the four possible
- forms this glyph represents.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="GlyphElementLangAttribute"><span
- class="adef">lang</span> = "<span
- class="attr-value">%LanguageCodes;</span>"</dt>
- <dd>The attribute value is a comma-separated list of
- language names as defined in
- <a href="http://www.ietf.org/rfc/bcp/bcp47.txt">BCP 47</a>
- [<a href="refs.html#ref-BCP47">BCP47</a>].
- The glyph can be used if the <a>'xml:lang'</a> attribute exactly
- matches one of the languages given in the value of this
- parameter, or if the <a>'xml:lang'</a> attribute exactly
- equals a prefix of one of the languages given in the value
- of this parameter such that the first tag character
- following the prefix is "-".<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="GlyphElementHorizAdvXAttribute"><span
- class="adef">horiz-adv-x</span> = "<span
- class="attr-value"><number></span>"</dt>
- <dd>The horizontal advance after rendering the glyph in
- horizontal orientation. If the attribute is not specified,
- the effect is as if the attribute were set to the value of
- the font's <a>'font/horiz-adv-x'</a> attribute.<br />
- Glyph widths are required to be non-negative, even if the
- glyph is typically rendered right-to-left, as in Hebrew and
- Arabic scripts.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="GlyphElementVertOriginXAttribute"><span
- class="adef">vert-origin-x</span> = "<span
- class="attr-value"><number></span>"</dt>
- <dd>The X-coordinate in the font coordinate system of the
- origin of the glyph to be used when drawing vertically
- oriented text.<br />
- If the attribute is not specified, the effect is as if the
- attribute were set to the value of the font's <a>'font/vert-origin-x'</a>
- attribute.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="GlyphElementVertOriginYAttribute"><span
- class="adef">vert-origin-y</span> = "<span
- class="attr-value"><number></span>"</dt>
- <dd>The Y-coordinate in the font coordinate system of the
- origin of a glyph to be used when drawing vertically
- oriented text.<br />
- If the attribute is not specified, the effect is as if the
- attribute were set to the value of the font's <a>'font/vert-origin-y'</a>
- attribute.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="GlyphElementVertAdvYAttribute"><span
- class="adef">vert-adv-y</span> = "<span
- class="attr-value"><number></span>"</dt>
- <dd>The vertical advance after rendering a glyph in
- vertical orientation.<br />
- If the attribute is not specified, the effect is as if the
- attribute were set to the value of the font's <a>'font/vert-adv-y'</a> attribute.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- </dl>
- </div>
-
-<p>The graphics for the <a>'glyph'</a> can be specified using
-either the <a>'d'</a> attribute or arbitrary SVG as
-content within the <a>'glyph'</a>.</p>
-
-<p>If the <a>'d'</a> attribute is specified, then the
-path data within this attribute is processed as follows:</p>
-
-<ul>
- <li>Any relative coordinates within the path data
- specification are converted into equivalent absolute
- coordinates</li>
-
- <li>Each of these absolute coordinates is transformed from
- the font coordinate system into the <a>'text'</a> element's current
- coordinate system such that the origin of the font coordinate
- system is properly positioned and rotated to align with the
- <a href="text.html#CurrentTextPosition">current text
- position</a> and orientation for the glyph, and scaled so
- that the correct <a>'font-size'</a> is achieved.</li>
-
- <li>The resulting, transformed path specification is rendered
- as if it were a <a>'path'</a> element, using the
- styling properties that apply to the characters which
- correspond to the given glyph, and ignoring any styling
- properties specified on the <a>'font element'</a> element or the
- <a>'glyph'</a> element.</li>
-</ul>
-
-<p>If the <a>'glyph'</a> has child
-elements, then those child elements are rendered in a manner
-similar to how the <a>'use'</a> element renders a
-referenced symbol. The rendering effect is as if the contents
-of the referenced <a>'glyph'</a>
-element were deeply cloned into a separate non-exposed DOM
-tree. Because the cloned DOM tree is non-exposed, the SVG DOM
-does not show the cloned instance.</p>
-
-<p>For user agents that support <a
-href="styling.html#StylingWithCSS">Styling with CSS</a>, the
-conceptual deep cloning of the referenced <a>'glyph'</a> element into a non-exposed
-DOM tree also copies any property values resulting from
-<a href="http://www.w3.org/TR/2011/REC-CSS2-20110607/cascade.html">the CSS cascade</a>
-([<a href="refs.html#ref-CSS21">CSS21</a>], chapter 6)
-on the referenced <a>'glyph'</a> and
-its contents, and also applies any property values on the
-<a>'font element'</a> element. CSS 2.1 selectors
-can be applied to the original (i.e., referenced) elements
-because they are part of the formal document structure. CSS 2.1
-selectors cannot be applied to the (conceptually) cloned DOM
-tree because its contents are not part of the formal document
-structure.</p>
-
-<p>Property inheritance, however, works as if the referenced
-<a>'glyph'</a> had been textually
-included as a deeply cloned child within the document tree. The
-referenced <a>'glyph'</a> inherits
-properties from the element that contains the characters that
-correspond to the <a>'glyph'</a>.
-The <a>'glyph'</a> does not inherit
-properties from the <a>'font element'</a> element's original
-parents.</p>
-
-<p>In the generated content, for each instance of a given <a>'glyph'</a>, a
-<a>'g'</a> is created which carries
-with it all property values resulting from the CSS cascade
-on the <a>'font element'</a> element for the
-referenced <a>'glyph'</a>. Within
-this <a>'g'</a> is another <a>'g'</a> which carries with it all
-property values resulting from the CSS cascade
-on the <a>'glyph'</a> element. The
-original contents of the <a>'glyph'</a> element are deep-cloned
-within the inner <a>'g'</a> element.</p>
-
-<p>If the <a>'glyph'</a> has both a
-<a>'d'</a> attribute and child elements,
-the <a>'d'</a> attribute is rendered first, and
-then the child elements.</p>
-
-<p>In general, the <a>'d'</a> attribute renders in the same
-manner as system fonts. For example, a dashed pattern will
-usually look the same if applied to a system font or to an SVG
-font which defines its glyphs using the <a>'d'</a> attribute. Many implementations
-will be able to render glyphs defined with the <a>'d'</a> attribute quickly and will be
-able to use a font cache for further performance gains.</p>
-
-<p>Defining a glyph by including child elements within the
-<a>'glyph'</a> gives greater
-flexibility but more complexity. Different fill and stroke
-techniques can be used on different parts of the glyphs. For
-example, the base of an "i" could be red, and the dot could be
-blue. This approach has an inherent complexity with units. Any
-properties specified on a text elements which represents a
-length, such as the <a>'stroke-width'</a> property, might
-produce surprising results since the length value will be
-processed in the coordinate system of the glyph.</p>
-
-</edit:with>
-
-<h2 id="MissingGlyphElement">The <span class="element-name">'missing-glyph'</span> element</h2>
-
-<edit:with element='missing-glyph'>
-
-<p>The <a>'missing-glyph'</a> element defines the graphics to use if
-there is an attempt to draw a glyph from a given font and the given
-glyph has not been defined. The attributes on the <a>'missing-glyph'</a>
-element have the same meaning as the corresponding attributes on the
-<a>'glyph'</a> element.</p>
-
-<edit:elementsummary name='missing-glyph'/>
-
-</edit:with>
-
-<h2 id="GlyphSelectionRules">Glyph selection rules</h2>
-
-<p>When determining the glyph(s) to draw a given character sequence, the
-<a>'font element'</a> element is searched from its first <a>'glyph'</a>
-element to its last in logical order to see if the upcoming sequence
-of Unicode characters to be rendered matches the sequence of Unicode
-characters specified in the <a>'glyph/unicode'</a> attribute for the
-given <a>'glyph'</a> element. The first successful match is used. Thus,
-the "ffl" ligature needs to be defined in the font before the "f" glyph;
-otherwise, the "ffl" will never be selected.</p>
-
-<p>Note that any occurrences of <a>'altGlyph'</a> take precedence over
-the above glyph selection rules within an SVG font.</p>
-
-<h2 id="KernElements">The <span class="element-name">'hkern'</span> and <span class="element-name">'vkern'</span> elements</h2>
-
-<p>The <a>'hkern'</a> and <a>'vkern'</a> elements define kerning
-pairs for horizontally-oriented and vertically-oriented pairs
-of glyphs, respectively.</p>
-
-<p>Kern pairs identify pairs of glyphs within a single font
-whose inter-glyph spacing is adjusted when the pair of glyphs
-are rendered next to each other. In addition to the requirement
-that the pair of glyphs are from the same font, SVG font
-kerning happens only when the two glyphs correspond to
-characters which have the same values for properties <a>'font-family'</a>,
-<a>'font-size'</a>, <a>'font-style'</a>, <a>'font-weight'</a>,
-<a>'font-variant'</a>, <a>'font-stretch'</a>, <a>'font-size-adjust'</a>
-and <a>'font property'</a>.</p>
-
-<p>An example of a kerning pair are the letters "Va", where the
-typographic result might look better if the letters "V" and the
-"a" were rendered slightly closer together.</p>
-
-<p>Right-to-left and bidirectional text in SVG is laid out in a
-two-step process, which is described in <a
-href="text.html#RelationshipWithBiDirectionality">Relationship
-with bidirectionality</a>. If SVG fonts are used, before
-kerning is applied, characters are re-ordered into
-left-to-right (or top-to-bottom, for vertical text) visual
-rendering order. Kerning from SVG fonts is then applied on
-pairs of glyphs which are rendered contiguously. The first
-glyph in the kerning pair is the left (or top) glyph in visual
-rendering order. The second glyph in the kerning pair is the
-right (or bottom) glyph in the pair.</p>
-
-<p>For convenience to font designers and to minimize file
-sizes, a single <a>'hkern'</a> and
-<a>'vkern'</a> can define a single
-kerning adjustment value between one set of glyphs (e.g., a
-range of Unicode characters) and another set of glyphs (e.g.,
-another range of Unicode characters).</p>
-
-<p id="HKernElement">The <a>'hkern'</a> element
-defines kerning pairs and adjustment values in the horizontal
-advance value when drawing pairs of glyphs which the two glyphs
-are contiguous and are both rendered horizontally (i.e.,
-side-by-side). The spacing between characters is reduced by the
-kerning adjustment. (Negative kerning adjustments increase the
-spacing between characters.)</p>
-
-<p id="VKernElement">The <a>'vkern'</a> element
-defines kerning pairs and adjustment values in the vertical
-advance value when drawing pairs of glyphs together when
-stacked vertically. The spacing between characters is reduced
-by the kerning adjustment.</p>
-
-<edit:with element='hkern'>
-
-<edit:elementsummary name='hkern'/>
-
-<edit:elementsummary name='vkern'/>
-
- <div class="adef-list">
- <p><em>Attribute definitions:</em></p>
- <dl>
- <dt id="HKernElementU1Attribute"><span
- class="adef">u1</span> = "<span
- class="attr-value">[<character> | <urange> ] [,
- [<character> | <urange>] ]*</span> "</dt>
- <dd>A sequence (comma-separated) of Unicode characters
- (refer to the description of the <a>'glyph/unicode'</a>
- attribute to the <a>'glyph'</a> element for a
- description of how to express individual Unicode
- characters) and/or ranges of Unicode characters (see
- <a href="http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#unicode-range-desc">description of ranges of Unicode characters in CSS2</a>;
- [<a href="refs.html#ref-CSS3FONTS">CSS3FONTS</a>], section 4.5) which
- identify a set of possible first glyphs in the kerning
- pair. If a given Unicode character within the set has
- multiple corresponding <a>'glyph'</a> elements (i.e.,
- there are multiple <a>'glyph'</a> elements with the
- same <a>'glyph/unicode'</a> attribute value, but
- different <a>'glyph/glyph-name'</a> values), then all
- such glyphs are included in the set. Comma is the separator
- character; thus, to kern a comma, specify the comma as part
- of a range of Unicode characters or as a glyph name using
- the <a>'g1'</a> attribute. The total set of
- possible first glyphs in the kerning pair is the union of
- glyphs specified by the <a>'u1'</a> and <a>'g1'</a> attributes.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="HKernElementG1Attribute"><span
- class="adef">g1</span> = "<span
- class="attr-value"><author-ident> [, <author-ident> ]*</span>
- "</dt>
- <dd>A sequence (comma-separated) of glyph names (i.e.,
- values that match <a>'glyph/glyph-name'</a> attributes
- on <a>'glyph'</a> elements) which
- identify a set of possible first glyphs in the kerning
- pair. All glyphs with the given glyph name are included in
- the set. The total set of possible first glyphs in the
- kerning pair is the union of glyphs specified by the
- <a>'u1'</a> and <a>'g1'</a> attributes.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="HKernElementU2Attribute"><span
- class="adef">u2</span> = "<span
- class="attr-value">[<character> | <urange>] [,
- [<character> | <urange>] ]*</span> "</dt>
- <dd>Same as the <a>'u1'</a> attribute, except that <a>'u2'</a>
- specifies possible second glyphs in the kerning pair.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="HKernElementG2Attribute"><span
- class="adef">g2</span> = "<span
- class="attr-value"><author-ident> [, <author-ident> ]*</span>
- "</dt>
- <dd>Same as the <a>'g1'</a> attribute, except that <a>'g2'</a>
- specifies possible second
- glyphs in the kerning pair.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- <dt id="HKernElementKAttribute"><span
- class="adef">k</span> = "<span
- class="attr-value"><number></span>"</dt>
- <dd>The amount to decrease the spacing between the two
- glyphs in the kerning pair. The value is in the font
- coordinate system. This attribute is required.<br />
- <span class="anim-target"><a
- href="animate.html#Animatable">Animatable</a>:
- no.</span></dd>
- </dl>
- </div>
-
-<p>At least one each of <a>'u1'</a> or <a>'g1'</a> and at least one
-of <a>'u2'</a> or <a>'g2'</a> must be provided.</p>
-
-</edit:with>
-
-
-<h2 id="DOMInterfaces">DOM interfaces</h2>
-
-<h3 id="InterfaceSVGFontElement">Interface SVGFontElement</h3>
-
-
-<edit:with element='font'>
-
-<p>The <a>SVGFontElement</a> interface corresponds to the
-<a>'font element'</a> element.
-</p>
-
-
-<p>Object-oriented access to the attributes of the <a>'font element'</a> element
-via the SVG DOM is not available.
-</p>
-<pre class="idl">interface <b>SVGFontElement</b> : <a>SVGElement</a> {
-};</pre>
-
-</edit:with>
-
-<h3 id="InterfaceSVGGlyphElement">Interface SVGGlyphElement</h3>
-
-
-<edit:with element='glyph'>
-
-<p>The <a>SVGGlyphElement</a> interface corresponds to the
-<a>'glyph'</a> element.
-</p>
-
-
-<p>Object-oriented access to the attributes of the <a>'glyph'</a> element
-via the SVG DOM is not available.
-</p>
-<pre class="idl">interface <b>SVGGlyphElement</b> : <a class="idlinterface" href="types.html#InterfaceSVGElement">SVGElement</a> {
-};</pre>
-
-</edit:with>
-
-<h3 id="InterfaceSVGMissingGlyphElement">Interface SVGMissingGlyphElement</h3>
-
-
-<edit:with element='missing-glyph'>
-
-<p>The <a>SVGMissingGlyphElement</a> interface corresponds to the
-<a>'missing-glyph'</a> element.
-</p>
-
-
-<p>Object-oriented access to the attributes of the <a>'missing-glyph'</a> element
-via the SVG DOM is not available.
-</p>
-<pre class="idl">interface <b>SVGMissingGlyphElement</b> : <a class="idlinterface" href="types.html#InterfaceSVGElement">SVGElement</a> {
-};</pre>
-
-</edit:with>
-
-<h3 id="InterfaceSVGHKernElement">Interface SVGHKernElement</h3>
-
-
-<edit:with element='hkern'>
-
-<p>The <a>SVGHKernElement</a> interface corresponds to the
-<a>'hkern'</a> element.
-</p>
-
-
-<p>Object-oriented access to the attributes of the <a>'hkern'</a> element
-via the SVG DOM is not available.
-</p>
-<pre class="idl">interface <b>SVGHKernElement</b> : <a class="idlinterface" href="types.html#InterfaceSVGElement">SVGElement</a> {
-};</pre>
-
-</edit:with>
-
-
-<h3 id="InterfaceSVGVKernElement">Interface SVGVKernElement</h3>
-
-
-<edit:with element='vkern'>
-
-<p>The <a>SVGVKernElement</a> interface corresponds to the
-<a>'vkern'</a> element.
-</p>
-
-
-<p>Object-oriented access to the attributes of the <a>'vkern'</a> element
-via the SVG DOM is not available.
-</p>
-<pre class="idl">interface <b>SVGVKernElement</b> : <a class="idlinterface" href="types.html#InterfaceSVGElement">SVGElement</a> {
-};</pre>
-
-</edit:with>
-
-<h3 id="InterfaceSVGFontFaceElement">Interface SVGFontFaceElement</h3>
-
-
-<edit:with element='font-face'>
-
-<p>The <a>SVGFontFaceElement</a> interface corresponds to the
-<a>'font-face'</a> element.
-</p>
-
-
-<p>Object-oriented access to the attributes of the <a>'font-face'</a> element
-via the SVG DOM is not available.
-</p>
-<pre class="idl">interface <b>SVGFontFaceElement</b> : <a class="idlinterface" href="types.html#InterfaceSVGElement">SVGElement</a> {
-};</pre>
-
-</edit:with>
-
-<h3 id="InterfaceSVGFontFaceSrcElement">Interface SVGFontFaceSrcElement</h3>
-
-
-<edit:with element='font-face-src'>
-
-<p>The <a>SVGFontFaceSrcElement</a> interface corresponds to the
-<a>'font-face-src'</a> element.
-</p>
-
-
-<p>Object-oriented access to the attributes of the <a>'font-face-src'</a> element
-via the SVG DOM is not available.
-</p>
-<pre class="idl">interface <b>SVGFontFaceSrcElement</b> : <a class="idlinterface" href="types.html#InterfaceSVGElement">SVGElement</a> {
-};</pre>
-
-</edit:with>
-
-
-<h3 id="InterfaceSVGFontFaceUriElement">Interface SVGFontFaceUriElement</h3>
-
-
-<edit:with element='font-face-uri'>
-
-<p>The <a>SVGFontFaceUriElement</a> interface corresponds to the
-<a>'font-face-uri'</a> element.
-</p>
-
-
-<p>Object-oriented access to the attributes of the <a>'font-face-uri'</a> element
-via the SVG DOM is not available.
-</p>
-<pre class="idl">interface <b>SVGFontFaceUriElement</b> : <a class="idlinterface" href="types.html#InterfaceSVGElement">SVGElement</a> {
-};</pre>
-
-</edit:with>
-
-
-<h3 id="InterfaceSVGFontFaceFormatElement">Interface SVGFontFaceFormatElement</h3>
-
-
-<edit:with element='font-face-format'>
-
-<p>The <a>SVGFontFaceFormatElement</a> interface corresponds to the
-<a>'font-face-format'</a> element.
-</p>
-
-
-<p>Object-oriented access to the attributes of the <a>'font-face-format'</a> element
-via the SVG DOM is not available.
-</p>
-<pre class="idl">interface <b>SVGFontFaceFormatElement</b> : <a class="idlinterface" href="types.html#InterfaceSVGElement">SVGElement</a> {
-};</pre>
-
-</edit:with>
-
-<h3 id="InterfaceSVGFontFaceNameElement">Interface SVGFontFaceNameElement</h3>
-
-
-<edit:with element='font-face-name'>
-
-<p>The <a>SVGFontFaceNameElement</a> interface corresponds to the
-<a>'font-face-name'</a> element.
-</p>
-
-
-<p>Object-oriented access to the attributes of the <a>'font-face-name'</a> element
-via the SVG DOM is not available.
-</p>
-<pre class="idl">interface <b>SVGFontFaceNameElement</b> : <a class="idlinterface" href="types.html#InterfaceSVGElement">SVGElement</a> {
-};</pre>
-
-</edit:with>
-
-</body>
-</html>
diff --git a/master/publish.xml b/master/publish.xml
--- a/master/publish.xml
+++ b/master/publish.xml
@@ -60,17 +60,16 @@
<chapter name='color'/>
<chapter name='pservers'/>
<chapter name='masking'/>
<chapter name='filters'/>
<chapter name='interact'/>
<chapter name='linking'/>
<chapter name='script'/>
<chapter name='animate'/>
- <chapter name='fonts'/>
<chapter name='metadata'/>
<chapter name='backward'/>
<chapter name='extend'/>
<appendix name='svgdom'/>
<appendix name='idl'/>
<appendix name='implnote'/>
<appendix name='conform'/>
<appendix name='access'/>
diff --git a/master/text.html b/master/text.html
--- a/master/text.html
+++ b/master/text.html
@@ -57,16 +57,58 @@
</tr>
<tr>
<th>Owner:</th>
<td>Doug (no action)</td>
</tr>
</table>
</div>
+<div class="annotation svg2-requirement">
+ <table>
+ <tr>
+ <th>SVG 2 Requirement:</th>
+ <td>Include explicit support for Web Open Font Format (WOFF).</td>
+ </tr>
+ <tr>
+ <th>Resolution:</th>
+ <td><a href="http://www.w3.org/2011/03/01-svg-minutes.html#item03">We will mandate WOFF support in SVG 2.</a></td>
+ </tr>
+ <tr>
+ <th>Purpose:</th>
+ <td>To allow access to full OpenType features for internationalisation and advanced typography.</td>
+ </tr>
+ <tr>
+ <th>Owner:</th>
+ <td>Chris (no action)</td>
+ </tr>
+ </table>
+</div>
+
+<div class="annotation svg2-requirement">
+ <table>
+ <tr>
+ <th>SVG 2 Requirement:</th>
+ <td>Reference CSS3 Fonts.</td>
+ </tr>
+ <tr>
+ <th>Resolution:</th>
+ <td><a href="http://www.w3.org/2011/07/29-svg-minutes.html#item08">SVG 2 will depend on CSS3 Fonts.</a></td>
+ </tr>
+ <tr>
+ <th>Purpose:</th>
+ <td>Alignment with CSS 2.1 and CSS3 for Web font functionality, and to provide
+ access to advanced typographic features of fonts.</td>
+ </tr>
+ <tr>
+ <th>Owner:</th>
+ <td>Chris (<a href="http://www.w3.org/Graphics/SVG/WG/track/actions/3123">ACTION-3123</a>)</td>
+ </tr>
+ </table>
+</div>
<h2 id="Introduction">Introduction</h2>
<p>
Text that is to be rendered as part of an SVG document fragment is
specified using the <a>'text'</a> element. The characters to be
drawn are expressed as
<a href="http://www.w3.org/TR/2008/REC-xml-20081126/#syntax">XML
@@ -316,25 +358,59 @@
<td>To allow glyphs in horizontal text to have different vertical alignments for stylistic effects.</td>
</tr>
<tr>
<th>Owner:</th>
<td>Chris (no action)</td>
</tr>
</table>
</div>
-
- <p>
- A font consists of a collection of glyphs together with the
- information (the font tables) necessary to use those glyphs to
- present characters on some medium. The combination of the
+
+ <p>Reliable delivery of fonts is a requirement for SVG.
+Designers need to create SVG content with arbitrary fonts and
+know that the same graphical result will appear when the
+content is viewed by all end users, even when end users do not
+have the necessary fonts installed on their computers. This
+parallels the print world, where the designer uses a given font
+when authoring a drawing for print, and the graphical content
+appears exactly the same in the printed version as it appeared
+on the designer's authoring system.</p>
+
+<p>SVG utilizes the
+<a href="http://dev.w3.org/csswg/css3-fonts/">WebFonts</a>
+facility defined in
+([<a href="refs.html#ref-CSS3FONTS">CSS3 Fonts</a>]) as a key
+mechanism for reliable delivery of font data to end users. In a
+common scenario, SVG authoring applications generate
+compressed, subsetted WebFonts
+for all text elements used by a given SVG document fragment.</p>
+
+<p>One disadvantage to the WebFont
+facility in the past was that specifications did not require
+support of particular font formats. The result was that
+different implementations supported different Web font formats,
+thereby making it difficult for Web site creators to post a
+single Web site using WebFonts that worked across all user
+agents.</p>
+
+<p>SVG 2 mandates support for Web Open Font Format [<a href="refs.html#ref-WOFF">WOFF</a>], which
+ is now supported in <a href="http://w3c-test.org/framework/review/woff-at/">most user agents</a>. Besides enabling compressed, subsetted WebFonts
+with accompanying metadata for clear licensing, WOFF also benefits from OpenType multilingual features
+and support for advanced typography. Thus, content authors can author CSS to request discretionary ligatures,
+swash forms, old-style figures etc. while also ensuring that a font is provided which supports those features.</p>
+
+ <p>
+ A font consists of a collection of glyphs together with other
+ information (collectively, the font tables) necessary to use those glyphs to
+ present characters on some visual medium. The combination of the
collection of glyphs and the font tables is called the <em>font
data</em>. The font tables include the information necessary to
map characters to glyphs, to determine the size of glyph areas and
- to position the glyph area. Each font table consists of one or
+ to position the glyph area. <!-- next sentence is loose and should be impoved -->
+ Each font table consists of one or
more font characteristics, such as the font-weight and
font-style.
</p>
<p>
The geometric font characteristics are expressed in a coordinate
system based on the EM box. (The EM is a relative measure of the
height of the glyphs in the font.) The box 1 EM high and 1 EM
Received on Thursday, 10 April 2014 12:01:43 UTC