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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<title>gtkmm 2.4: Pango::Renderer Class Reference</title>
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<a class="el" href="namespacePango.html">Pango</a>::<a class="el" href="classPango_1_1Renderer.html">Renderer</a></div>
<h1>Pango::Renderer Class Reference</h1><!-- doxytag: class="Pango::Renderer" --><!-- doxytag: inherits="Glib::Object" -->Inheritance diagram for Pango::Renderer:<p><center><img src="classPango_1_1Renderer__inherit__graph.png" border="0" usemap="#Pango_1_1Renderer__inherit__map" alt="Inheritance graph"></center>
<map name="Pango_1_1Renderer__inherit__map">
<area doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1Object.html" shape="rect" coords="23,161,116,188" alt="">
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="classPango_1_1Renderer-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
<a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a> is a base class that contains the necessary logic for rendering a <a class="el" href="classPango_1_1Layout.html">Pango::Layout</a> or <a class="el" href="classPango_1_1LayoutLine.html">Pango::LayoutLine</a>.
<p>
By subclassing <a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a> and overriding operations such as draw_glyphs and draw_rectangle, renderers for particular font backends and destinations can be created.
<p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#423811649e82820fd411217ed8f38f9a">activate</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Does initial setup before rendering operations on <em>renderer</em> . <a href="#423811649e82820fd411217ed8f38f9a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#72abda278e55b7853354769a27992eca">deactivate</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Cleans up after rendering operations on <em>renderer</em> . <a href="#72abda278e55b7853354769a27992eca"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#b4b66f57b1fafd6745bc0472d1badc0d">draw_error_underline</a> (int x, int y, int width, int height)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Draw a squiggly line that approximately covers the given rectangle in the style of an underline used to indicate a spelling error. <a href="#b4b66f57b1fafd6745bc0472d1badc0d"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#a225011a731fa2e488197e365071d00a">draw_glyph</a> (const <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classPango_1_1Font.html">Font</a>>& font, <a class="el" href="namespacePango.html#f6dc8c4b054d52aede51e2a2bb63522c">Glyph</a> glyph, double x, double y)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Draws a single glyph with coordinates in device space. <a href="#a225011a731fa2e488197e365071d00a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#a7a711ddbc243f79812dbc6a39142c56">draw_glyphs</a> (const <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classPango_1_1Font.html">Font</a>>& font, const <a class="el" href="classPango_1_1GlyphString.html">GlyphString</a>& glyphs, int x, int y)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Draws the glyphs in <em>glyphs</em> with the specified <a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a>. <a href="#a7a711ddbc243f79812dbc6a39142c56"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#54819e67fc6ee2a111889412f0ff6106">draw_layout</a> (const <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classPango_1_1Layout.html">Layout</a>>& layout, int x, int y)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Draws <em>layout</em> with the specified <a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a>. <a href="#54819e67fc6ee2a111889412f0ff6106"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#201270274aacb8b2c5305da6752d2469">draw_layout_line</a> (const <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classPango_1_1LayoutLine.html">LayoutLine</a>>& line, int x, int y)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Draws <em>line</em> with the specified <a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a>. <a href="#201270274aacb8b2c5305da6752d2469"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#b52a92011268f7dbd9d004632f5098c0">draw_rectangle</a> (<a class="el" href="group__pangommEnums.html#g4693406cc96d2a394dbe67f895d5323c">RenderPart</a> part, int x, int y, int width, int height)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Draws an axis-aligned rectangle in user space coordinates with the specified <a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a>. <a href="#b52a92011268f7dbd9d004632f5098c0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#6350b687c6f747ef858a0e3bf939eb86">draw_trapezoid</a> (<a class="el" href="group__pangommEnums.html#g4693406cc96d2a394dbe67f895d5323c">RenderPart</a> part, double y1, double x11, double x21, double y2, double x12, double x22)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Draws a trapezoid with the parallel sides aligned with the X axis using the given <a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a>; coordinates are in device space. <a href="#6350b687c6f747ef858a0e3bf939eb86"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classPango_1_1Color.html">Color</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#aa416bcd235bcc5338b7b3840f21dac9">get_color</a> (<a class="el" href="group__pangommEnums.html#g4693406cc96d2a394dbe67f895d5323c">RenderPart</a> part) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Gets the current rendering color for the specified part. <a href="#aa416bcd235bcc5338b7b3840f21dac9"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="namespacePango.html#5565a2f93d4fb8f943cc2d1fb2d476e1">Matrix</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#bacb7e2b7cff89d4aadec7b534729b89">get_matrix</a> () const</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const PangoRenderer* </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#02cf97ae910187114f13bbba70277afc">gobj</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GObject. <a href="#02cf97ae910187114f13bbba70277afc"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PangoRenderer* </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#933338b41e007340cb3edae9ffc53f54">gobj</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C GObject. <a href="#933338b41e007340cb3edae9ffc53f54"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">PangoRenderer* </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#615fd36f1a3c8d02fe4284973ea67e5c">gobj_copy</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. <a href="#615fd36f1a3c8d02fe4284973ea67e5c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#1724ca84c38e266e2d575a7b0f3c14af">part_changed</a> (<a class="el" href="group__pangommEnums.html#g4693406cc96d2a394dbe67f895d5323c">RenderPart</a> part)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Informs <a class="el" href="namespacePango.html">Pango</a> that the way that the rendering is done for <em>part</em> has changed in a way that would prevent multiple pieces being joined together into one drawing call. <a href="#1724ca84c38e266e2d575a7b0f3c14af"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#e5e40ad7b42657331d3a1235390154ce">set_color</a> (<a class="el" href="group__pangommEnums.html#g4693406cc96d2a394dbe67f895d5323c">RenderPart</a> part, const <a class="el" href="classPango_1_1Color.html">Color</a>& color)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the color for part of the rendering. <a href="#e5e40ad7b42657331d3a1235390154ce"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#511eb830c60162cb96095aaa32d726d6">set_matrix</a> (const <a class="el" href="namespacePango.html#5565a2f93d4fb8f943cc2d1fb2d476e1">Matrix</a>& matrix)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Sets the transformation matrix that will be applied when rendering. <a href="#511eb830c60162cb96095aaa32d726d6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#25eb190f6a265c427848ae8ff6529898">~Renderer</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Related Functions</h2></td></tr>
<tr><td colspan="2">(Note that these are not member functions.) <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a>> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPango_1_1Renderer.html#fe4144e972be166db349ad1924a39942">wrap</a> (PangoRenderer* object, bool take_copy=false)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">A <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/namespaceGlib.html#671306f4a3a0cae5ab4d7a9d54886592">Glib::wrap()</a> method for this object. <a href="#fe4144e972be166db349ad1924a39942"></a><br></td></tr>
</table>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="25eb190f6a265c427848ae8ff6529898"></a><!-- doxytag: member="Pango::Renderer::~Renderer" ref="25eb190f6a265c427848ae8ff6529898" args="()" -->
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<td class="memname">virtual Pango::Renderer::~Renderer </td>
<td>(</td>
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<td> ) </td>
<td width="100%"><code> [virtual]</code></td>
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</div>
<div class="memdoc">
<p>
</div>
</div><p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="423811649e82820fd411217ed8f38f9a"></a><!-- doxytag: member="Pango::Renderer::activate" ref="423811649e82820fd411217ed8f38f9a" args="()" -->
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<td class="memname">void Pango::Renderer::activate </td>
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<td> ) </td>
<td width="100%"></td>
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<p>
Does initial setup before rendering operations on <em>renderer</em> .
<p>
<a class="el" href="classPango_1_1Renderer.html#72abda278e55b7853354769a27992eca">deactivate()</a> should be called when done drawing. Calls such as <a class="el" href="classPango_1_1Renderer.html#54819e67fc6ee2a111889412f0ff6106">draw_layout()</a> automatically activate the layout before drawing on it. Calls to <a class="el" href="classPango_1_1Renderer.html#423811649e82820fd411217ed8f38f9a">activate()</a> and <a class="el" href="classPango_1_1Renderer.html#72abda278e55b7853354769a27992eca">deactivate()</a> can be nested and the renderer will only be initialized and deinitialized once.<p>
Since: 1.8
</div>
</div><p>
<a class="anchor" name="72abda278e55b7853354769a27992eca"></a><!-- doxytag: member="Pango::Renderer::deactivate" ref="72abda278e55b7853354769a27992eca" args="()" -->
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<td class="memname">void Pango::Renderer::deactivate </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Cleans up after rendering operations on <em>renderer</em> .
<p>
See docs for <a class="el" href="classPango_1_1Renderer.html#423811649e82820fd411217ed8f38f9a">activate()</a>.<p>
Since: 1.8
</div>
</div><p>
<a class="anchor" name="b4b66f57b1fafd6745bc0472d1badc0d"></a><!-- doxytag: member="Pango::Renderer::draw_error_underline" ref="b4b66f57b1fafd6745bc0472d1badc0d" args="(int x, int y, int width, int height)" -->
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<td class="memname">void Pango::Renderer::draw_error_underline </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>width</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>height</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Draw a squiggly line that approximately covers the given rectangle in the style of an underline used to indicate a spelling error.
<p>
(The width of the underline is rounded to an integer number of up/down segments and the resulting rectangle is centered in the original rectangle)<p>
This should be called while <em>renderer</em> is already active. Use <a class="el" href="classPango_1_1Renderer.html#423811649e82820fd411217ed8f38f9a">activate()</a> to activate a renderer.<p>
Since: 1.8 <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>X coordinate of underline, in <a class="el" href="namespacePango.html">Pango</a> units in user coordinate system. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>y</em> </td><td>Y coordinate of underline, in <a class="el" href="namespacePango.html">Pango</a> units in user coordinate system. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>width</em> </td><td>Width of underline, in <a class="el" href="namespacePango.html">Pango</a> units in user coordinate system. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>height</em> </td><td>Height of underline, in <a class="el" href="namespacePango.html">Pango</a> units in user coordinate system. </td></tr>
</table>
</dl>
</div>
</div><p>
<a class="anchor" name="a225011a731fa2e488197e365071d00a"></a><!-- doxytag: member="Pango::Renderer::draw_glyph" ref="a225011a731fa2e488197e365071d00a" args="(const Glib::RefPtr< Font > &font, Glyph glyph, double x, double y)" -->
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<td class="memname">void Pango::Renderer::draw_glyph </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classPango_1_1Font.html">Font</a>>& </td>
<td class="paramname"> <em>font</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="namespacePango.html#f6dc8c4b054d52aede51e2a2bb63522c">Glyph</a> </td>
<td class="paramname"> <em>glyph</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>y</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
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<div class="memdoc">
<p>
Draws a single glyph with coordinates in device space.
<p>
Since: 1.8 <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>font</em> </td><td>A <a class="el" href="classPango_1_1Font.html">Pango::Font</a>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>glyph</em> </td><td>The glyph index of a single glyph. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>X coordinate of left edge of baseline of glyph. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>y</em> </td><td>Y coordinate of left edge of baseline of glyph. </td></tr>
</table>
</dl>
</div>
</div><p>
<a class="anchor" name="a7a711ddbc243f79812dbc6a39142c56"></a><!-- doxytag: member="Pango::Renderer::draw_glyphs" ref="a7a711ddbc243f79812dbc6a39142c56" args="(const Glib::RefPtr< Font > &font, const GlyphString &glyphs, int x, int y)" -->
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<td class="memname">void Pango::Renderer::draw_glyphs </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classPango_1_1Font.html">Font</a>>& </td>
<td class="paramname"> <em>font</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classPango_1_1GlyphString.html">GlyphString</a>& </td>
<td class="paramname"> <em>glyphs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>y</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Draws the glyphs in <em>glyphs</em> with the specified <a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a>.
<p>
Since: 1.8 <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>font</em> </td><td>A <a class="el" href="classPango_1_1Font.html">Pango::Font</a>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>glyphs</em> </td><td>A <a class="el" href="classPango_1_1GlyphString.html">Pango::GlyphString</a>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>X position of left edge of baseline, in user space coordinates in <a class="el" href="namespacePango.html">Pango</a> units. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>y</em> </td><td>Y position of left edge of baseline, in user space coordinates in <a class="el" href="namespacePango.html">Pango</a> units. </td></tr>
</table>
</dl>
</div>
</div><p>
<a class="anchor" name="54819e67fc6ee2a111889412f0ff6106"></a><!-- doxytag: member="Pango::Renderer::draw_layout" ref="54819e67fc6ee2a111889412f0ff6106" args="(const Glib::RefPtr< Layout > &layout, int x, int y)" -->
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<td class="memname">void Pango::Renderer::draw_layout </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classPango_1_1Layout.html">Layout</a>>& </td>
<td class="paramname"> <em>layout</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>y</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Draws <em>layout</em> with the specified <a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a>.
<p>
Since: 1.8 <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>layout</em> </td><td>A <a class="el" href="classPango_1_1Layout.html">Pango::Layout</a>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>X position of left edge of baseline, in user space coordinates in <a class="el" href="namespacePango.html">Pango</a> units. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>y</em> </td><td>Y position of left edge of baseline, in user space coordinates in <a class="el" href="namespacePango.html">Pango</a> units. </td></tr>
</table>
</dl>
</div>
</div><p>
<a class="anchor" name="201270274aacb8b2c5305da6752d2469"></a><!-- doxytag: member="Pango::Renderer::draw_layout_line" ref="201270274aacb8b2c5305da6752d2469" args="(const Glib::RefPtr< LayoutLine > &line, int x, int y)" -->
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<td class="memname">void Pango::Renderer::draw_layout_line </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classPango_1_1LayoutLine.html">LayoutLine</a>>& </td>
<td class="paramname"> <em>line</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>y</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Draws <em>line</em> with the specified <a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a>.
<p>
Since: 1.8 <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>line</em> </td><td>A <a class="el" href="classPango_1_1LayoutLine.html">Pango::LayoutLine</a>. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>X position of left edge of baseline, in user space coordinates in <a class="el" href="namespacePango.html">Pango</a> units. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>y</em> </td><td>Y position of left edge of baseline, in user space coordinates in <a class="el" href="namespacePango.html">Pango</a> units. </td></tr>
</table>
</dl>
</div>
</div><p>
<a class="anchor" name="b52a92011268f7dbd9d004632f5098c0"></a><!-- doxytag: member="Pango::Renderer::draw_rectangle" ref="b52a92011268f7dbd9d004632f5098c0" args="(RenderPart part, int x, int y, int width, int height)" -->
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<td class="memname">void Pango::Renderer::draw_rectangle </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__pangommEnums.html#g4693406cc96d2a394dbe67f895d5323c">RenderPart</a> </td>
<td class="paramname"> <em>part</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>y</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>width</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>height</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Draws an axis-aligned rectangle in user space coordinates with the specified <a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a>.
<p>
This should be called while <em>renderer</em> is already active. Use <a class="el" href="classPango_1_1Renderer.html#423811649e82820fd411217ed8f38f9a">activate()</a> to activate a renderer.<p>
Since: 1.8 <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>part</em> </td><td>Type of object this rectangle is part of. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>X position at which to draw rectangle, in user space coordinates in <a class="el" href="namespacePango.html">Pango</a> units. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>y</em> </td><td>Y position at which to draw rectangle, in user space coordinates in <a class="el" href="namespacePango.html">Pango</a> units. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>width</em> </td><td>Width of rectangle in <a class="el" href="namespacePango.html">Pango</a> units in user space coordinates. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>height</em> </td><td>Height of rectangle in <a class="el" href="namespacePango.html">Pango</a> units in user space coordinates. </td></tr>
</table>
</dl>
</div>
</div><p>
<a class="anchor" name="6350b687c6f747ef858a0e3bf939eb86"></a><!-- doxytag: member="Pango::Renderer::draw_trapezoid" ref="6350b687c6f747ef858a0e3bf939eb86" args="(RenderPart part, double y1, double x11, double x21, double y2, double x12, double x22)" -->
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<td class="memname">void Pango::Renderer::draw_trapezoid </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__pangommEnums.html#g4693406cc96d2a394dbe67f895d5323c">RenderPart</a> </td>
<td class="paramname"> <em>part</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>y1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>x11</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>x21</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>y2</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>x12</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>x22</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
</tr>
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<div class="memdoc">
<p>
Draws a trapezoid with the parallel sides aligned with the X axis using the given <a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a>; coordinates are in device space.
<p>
Since: 1.8 <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>part</em> </td><td>Type of object this trapezoid is part of. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>y1</em> </td><td>Y coordinate of top of trapezoid. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x11</em> </td><td>X coordinate of left end of top of trapezoid. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x21</em> </td><td>X coordinate of right end of top of trapezoid. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>y2</em> </td><td>Y coordinate of bottom of trapezoid. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x12</em> </td><td>X coordinate of left end of bottom of trapezoid. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x22</em> </td><td>X coordinate of right end of bottom of trapezoid. </td></tr>
</table>
</dl>
</div>
</div><p>
<a class="anchor" name="aa416bcd235bcc5338b7b3840f21dac9"></a><!-- doxytag: member="Pango::Renderer::get_color" ref="aa416bcd235bcc5338b7b3840f21dac9" args="(RenderPart part) const" -->
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<td class="memname"><a class="el" href="classPango_1_1Color.html">Color</a> Pango::Renderer::get_color </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__pangommEnums.html#g4693406cc96d2a394dbe67f895d5323c">RenderPart</a> </td>
<td class="paramname"> <em>part</em> </td>
<td> ) </td>
<td width="100%"> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Gets the current rendering color for the specified part.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>part</em> </td><td>The part to get the color for. </td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The color for the specified part, or <code>0</code> if it hasn't been set and should be inherited from the environment.</dd></dl>
Since: 1.8.
</div>
</div><p>
<a class="anchor" name="bacb7e2b7cff89d4aadec7b534729b89"></a><!-- doxytag: member="Pango::Renderer::get_matrix" ref="bacb7e2b7cff89d4aadec7b534729b89" args="() const" -->
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<td class="memname"><a class="el" href="namespacePango.html#5565a2f93d4fb8f943cc2d1fb2d476e1">Matrix</a> Pango::Renderer::get_matrix </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> const</td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
</div>
</div><p>
<a class="anchor" name="02cf97ae910187114f13bbba70277afc"></a><!-- doxytag: member="Pango::Renderer::gobj" ref="02cf97ae910187114f13bbba70277afc" args="() const" -->
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<td class="memname">const PangoRenderer* Pango::Renderer::gobj </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> const<code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Provides access to the underlying C GObject.
<p>
<p>
Reimplemented from <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1ObjectBase.html#2b7010748d60e770e9e0b3d65c100cf2">Glib::ObjectBase</a>.
</div>
</div><p>
<a class="anchor" name="933338b41e007340cb3edae9ffc53f54"></a><!-- doxytag: member="Pango::Renderer::gobj" ref="933338b41e007340cb3edae9ffc53f54" args="()" -->
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<div class="memproto">
<table class="memname">
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<td class="memname">PangoRenderer* Pango::Renderer::gobj </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
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Provides access to the underlying C GObject.
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Reimplemented from <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1ObjectBase.html#4c6efc18be8cb9c56e58fc0bd20fafbe">Glib::ObjectBase</a>.
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<a class="anchor" name="615fd36f1a3c8d02fe4284973ea67e5c"></a><!-- doxytag: member="Pango::Renderer::gobj_copy" ref="615fd36f1a3c8d02fe4284973ea67e5c" args="()" -->
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<td class="memname">PangoRenderer* Pango::Renderer::gobj_copy </td>
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Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
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<a class="anchor" name="1724ca84c38e266e2d575a7b0f3c14af"></a><!-- doxytag: member="Pango::Renderer::part_changed" ref="1724ca84c38e266e2d575a7b0f3c14af" args="(RenderPart part)" -->
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<td class="memname">void Pango::Renderer::part_changed </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__pangommEnums.html#g4693406cc96d2a394dbe67f895d5323c">RenderPart</a> </td>
<td class="paramname"> <em>part</em> </td>
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Informs <a class="el" href="namespacePango.html">Pango</a> that the way that the rendering is done for <em>part</em> has changed in a way that would prevent multiple pieces being joined together into one drawing call.
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For instance, if a subclass of <a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a> was to add a stipple option for drawing underlines, it needs to call<p>
<div class="fragment"><pre class="fragment"> pango_renderer_part_changed (render, PANGO_RENDER_PART_UNDERLINE);
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When the stipple changes or underlines with different stipples might be joined together. <a class="el" href="namespacePango.html">Pango</a> automatically calls this for changes to colors. (See <a class="el" href="classPango_1_1Renderer.html#e5e40ad7b42657331d3a1235390154ce">set_color()</a>)<p>
Since: 1.8 <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>part</em> </td><td>The part for which rendering has changed. </td></tr>
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<a class="anchor" name="e5e40ad7b42657331d3a1235390154ce"></a><!-- doxytag: member="Pango::Renderer::set_color" ref="e5e40ad7b42657331d3a1235390154ce" args="(RenderPart part, const Color &color)" -->
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<td class="memname">void Pango::Renderer::set_color </td>
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<td class="paramtype"><a class="el" href="group__pangommEnums.html#g4693406cc96d2a394dbe67f895d5323c">RenderPart</a> </td>
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<td class="paramtype">const <a class="el" href="classPango_1_1Color.html">Color</a>& </td>
<td class="paramname"> <em>color</em></td><td> </td>
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Sets the color for part of the rendering.
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Since: 1.8 <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>part</em> </td><td>The part to change the color of. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>color</em> </td><td>The new color or <code>0</code> to unset the current color. </td></tr>
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<a class="anchor" name="511eb830c60162cb96095aaa32d726d6"></a><!-- doxytag: member="Pango::Renderer::set_matrix" ref="511eb830c60162cb96095aaa32d726d6" args="(const Matrix &matrix)" -->
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<td class="memname">void Pango::Renderer::set_matrix </td>
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<td class="paramtype">const <a class="el" href="namespacePango.html#5565a2f93d4fb8f943cc2d1fb2d476e1">Matrix</a>& </td>
<td class="paramname"> <em>matrix</em> </td>
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Sets the transformation matrix that will be applied when rendering.
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Since: 1.8 <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>matrix</em> </td><td>A <a class="el" href="namespacePango.html#5565a2f93d4fb8f943cc2d1fb2d476e1">Pango::Matrix</a>, or <code>0</code> to unset any existing matrix. (No matrix set is the same as setting the identity matrix.). </td></tr>
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<hr><h2>Friends And Related Function Documentation</h2>
<a class="anchor" name="fe4144e972be166db349ad1924a39942"></a><!-- doxytag: member="Pango::Renderer::wrap" ref="fe4144e972be166db349ad1924a39942" args="(PangoRenderer *object, bool take_copy=false)" -->
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<td class="memname"><a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/classGlib_1_1RefPtr.html">Glib::RefPtr</a><<a class="el" href="classPango_1_1Renderer.html">Pango::Renderer</a>> wrap </td>
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<td class="paramname"> <em>object</em>, </td>
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<td class="paramtype">bool </td>
<td class="paramname"> <em>take_copy</em> = <code>false</code></td><td> </td>
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<td></td><td></td><td width="100%"><code> [related]</code></td>
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<p>
A <a class="elRef" doxygen="glibmm_doxygen_tags:../../../../glibmm-2.4/docs/reference/html/" href="../../../../glibmm-2.4/docs/reference/html/namespaceGlib.html#671306f4a3a0cae5ab4d7a9d54886592">Glib::wrap()</a> method for this object.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>object</em> </td><td>The C instance. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>take_copy</em> </td><td>False if the result should take ownership of the C instance. True if it should take a new copy or ref. </td></tr>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>A C++ instance that wraps this C instance. </dd></dl>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="renderer_8h.html">renderer.h</a></ul>
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