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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<!-- Generated by Doxygen 1.3.8 -->
<h1>GFC::Pango::Font Class Reference</h1>A PangoFont C++ wrapper class.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="font_8hh-source.html">gfc/pango/font.hh</a>></code>
<p>
<p>Inheritance diagram for GFC::Pango::Font:
<p><center><img src="classGFC_1_1Pango_1_1Font.png" usemap="#GFC::Pango::Font_map" border="0" alt=""></center>
<map name="GFC::Pango::Font_map">
<area doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Object.html" alt="GFC::G::Object" shape="rect" coords="0,112,134,136">
<area doxygen="gfccore.tag:" href="classGFC_1_1G_1_1TypeInstance.html" alt="GFC::G::TypeInstance" shape="rect" coords="0,56,134,80">
<area doxygen="gfccore.tag:" href="classGFC_1_1Trackable.html" alt="GFC::Trackable" shape="rect" coords="0,0,134,24">
</map>
<a href="classGFC_1_1Pango_1_1Font-members.html">List of all members.</a><h2>Public Member Functions</h2>
<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
<ul>
<li><a class="anchor" name="z1168_0" doxytag="GFC::Pango::Font::~Font" ></a>
virtual <a class="el" href="classGFC_1_1Pango_1_1Font.html#z1168_0">~Font</a> ()
<dl class="el"><dd class="mdescRight">Destructor. <br></dl></ul>
<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<ul>
<li><a class="anchor" name="z1169_0" doxytag="GFC::Pango::Font::pango_font" ></a>
PangoFont * <a class="el" href="classGFC_1_1Pango_1_1Font.html#z1169_0">pango_font</a> () const
<dl class="el"><dd class="mdescRight">Get a pointer to the PangoFont structure. <br></dl><li><a class="anchor" name="z1169_1" doxytag="GFC::Pango::Font::operator PangoFont *" ></a>
<a class="el" href="classGFC_1_1Pango_1_1Font.html#z1169_1">operator PangoFont *</a> () const
<dl class="el"><dd class="mdescRight">Conversion operator; safely converts a <a class="el" href="classGFC_1_1Pango_1_1Font.html">Font</a> to a PangoFont pointer. <br></dl><li><a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a>< <a class="el" href="classGFC_1_1Pango_1_1FontDescription.html">FontDescription</a> > <a class="el" href="classGFC_1_1Pango_1_1Font.html#z1169_2">describe</a> () const
<dl class="el"><dd class="mdescRight">Returns a description of the font. <a href="#z1169_2"></a><br></dl><li><a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a>< <a class="el" href="classGFC_1_1Pango_1_1Coverage.html">Coverage</a> > <a class="el" href="classGFC_1_1Pango_1_1Font.html#z1169_3">get_coverage</a> (PangoLanguage *language) const
<dl class="el"><dd class="mdescRight">Computes the coverage map for a given font and language tag. <a href="#z1169_3"></a><br></dl><li><a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a>< <a class="el" href="classGFC_1_1Pango_1_1FontMetrics.html">FontMetrics</a> > <a class="el" href="classGFC_1_1Pango_1_1Font.html#z1169_4">get_metrics</a> (PangoLanguage *language=0) const
<dl class="el"><dd class="mdescRight">Gets overall metric information for a font. <a href="#z1169_4"></a><br></dl><li>void <a class="el" href="classGFC_1_1Pango_1_1Font.html#z1169_5">get_glyph_extents</a> (<a class="el" href="namespaceGFC_1_1Pango.html#a116">Glyph</a> glyph, <a class="el" href="classGFC_1_1Pango_1_1Rectangle.html">Rectangle</a> *ink_rect, <a class="el" href="classGFC_1_1Pango_1_1Rectangle.html">Rectangle</a> *logical_rect) const
<dl class="el"><dd class="mdescRight">Gets the logical and ink extents of a glyph within a font. <a href="#z1169_5"></a><br></dl></ul>
<tr><td colspan="2"><div class="groupHeader">Methods</div></td></tr>
<ul>
<li>PangoEngineShape * <a class="el" href="classGFC_1_1Pango_1_1Font.html#z1170_0">find_shaper</a> (unsigned int character_code, PangoLanguage *language)
<dl class="el"><dd class="mdescRight">Finds the best matching shaper for a font for a particular language tag and character point. <a href="#z1170_0"></a><br></dl></ul>
<h2>Protected Member Functions</h2>
<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
<ul>
<li><a class="el" href="classGFC_1_1Pango_1_1Font.html#z1167_0">Font</a> (PangoFont *font, bool <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Trackable.html#z143_1">owns_reference</a>=true)
<dl class="el"><dd class="mdescRight">Construct a new <a class="el" href="classGFC_1_1Pango_1_1Font.html">Font</a> from an existing PangoFont. <a href="#z1167_0"></a><br></dl></ul>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A PangoFont C++ wrapper class.
<p>
<a class="el" href="classGFC_1_1Pango_1_1Font.html">Font</a> is used to represent a font in a rendering-system-independent matter.
<p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="z1167_0" doxytag="GFC::Pango::Font::Font" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> GFC::Pango::Font::Font </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">PangoFont * </td>
<td class="mdname" nowrap> <em>font</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>bool </td>
<td class="mdname" nowrap> <em>owns_reference</em> = <code>true</code></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [explicit, protected]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Construct a new <a class="el" href="classGFC_1_1Pango_1_1Font.html">Font</a> from an existing PangoFont.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>font</em> </td><td>A pointer to a PangoFont. </td></tr>
<tr><td></td><td valign=top><em>owns_reference</em> </td><td>Set false if the initial reference count is floating, set true if it's not.</td></tr>
</table>
</dl>
<br>
The <em>font</em> can be a newly created PangoFont or an existing PangoFont. (see <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1G_1_1Object.html#z68_0">G::Object::Object</a>). </td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="z1169_2" doxytag="GFC::Pango::Font::describe" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a><<a class="el" href="classGFC_1_1Pango_1_1FontDescription.html">FontDescription</a>> GFC::Pango::Font::describe </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Returns a description of the font.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>A smart pointer to a newly-allocated <a class="el" href="classGFC_1_1Pango_1_1FontDescription.html">FontDescription</a> object. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="z1170_0" doxytag="GFC::Pango::Font::find_shaper" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> PangoEngineShape* GFC::Pango::Font::find_shaper </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">unsigned int </td>
<td class="mdname" nowrap> <em>character_code</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>PangoLanguage * </td>
<td class="mdname" nowrap> <em>language</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Finds the best matching shaper for a font for a particular language tag and character point.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>character_code</em> </td><td>The ISO-10646 character code. </td></tr>
<tr><td></td><td valign=top><em>language</em> </td><td>The language tag. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>The best matching shaper. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="z1169_3" doxytag="GFC::Pango::Font::get_coverage" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a><<a class="el" href="classGFC_1_1Pango_1_1Coverage.html">Coverage</a>> GFC::Pango::Font::get_coverage </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">PangoLanguage * </td>
<td class="mdname1" valign="top" nowrap> <em>language</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Computes the coverage map for a given font and language tag.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>language</em> </td><td>The language tag. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>A smart pointer to a newly-allocated <a class="el" href="classGFC_1_1Pango_1_1Coverage.html">Coverage</a> object. </dd></dl>
</td>
</tr>
</table>
<a class="anchor" name="z1169_5" doxytag="GFC::Pango::Font::get_glyph_extents" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void GFC::Pango::Font::get_glyph_extents </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="namespaceGFC_1_1Pango.html#a116">Glyph</a> </td>
<td class="mdname" nowrap> <em>glyph</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap><a class="el" href="classGFC_1_1Pango_1_1Rectangle.html">Rectangle</a> * </td>
<td class="mdname" nowrap> <em>ink_rect</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap><a class="el" href="classGFC_1_1Pango_1_1Rectangle.html">Rectangle</a> * </td>
<td class="mdname" nowrap> <em>logical_rect</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"> const</td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Gets the logical and ink extents of a glyph within a font.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>glyph</em> </td><td>The glyph index. </td></tr>
<tr><td></td><td valign=top><em>ink_rect</em> </td><td>The rectangle used to store the extents of the glyph as drawn, or null to indicate that the result is not needed. </td></tr>
<tr><td></td><td valign=top><em>logical_rect</em> </td><td>The rectangle used to store the logical extents of the glyph, or null to indicate that the result is not needed.</td></tr>
</table>
</dl>
<br>
The coordinate system for each rectangle has its origin at the base line and horizontal origin of the character with increasing coordinates extending to the right and down. The macros PANGO_ASCENT(), PANGO_DESCENT(), PANGO_LBEARING(), and PANGO_RBEARING can be used to convert from the extents rectangle to more traditional font metrics. The units of the rectangles are in 1/PANGO_SCALE of a device unit. </td>
</tr>
</table>
<a class="anchor" name="z1169_4" doxytag="GFC::Pango::Font::get_metrics" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> <a class="elRef" doxygen="gfccore.tag:" href="classGFC_1_1Pointer.html">Pointer</a><<a class="el" href="classGFC_1_1Pango_1_1FontMetrics.html">FontMetrics</a>> GFC::Pango::Font::get_metrics </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">PangoLanguage * </td>
<td class="mdname1" valign="top" nowrap> <em>language</em> = <code>0</code> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const</td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Gets overall metric information for a font.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>language</em> </td><td>The language tag used to determine which script to get the metrics for, or null to indicate to get the metrics for the entire font. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>A smart pointer to a <a class="el" href="classGFC_1_1Pango_1_1FontMetrics.html">FontMetrics</a> object.</dd></dl>
<br>
Since the metrics may be substantially different for different scripts, a language tag can be provided to indicate that the metrics should be retrieved that correspond to the script(s) used by that language. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="font_8hh-source.html">font.hh</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Tue Aug 24 00:34:45 2004 for GFC-UI by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 ></a> 1.3.8 </small></address>
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