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<h1>Cairo::Gradient Class Reference</h1><!-- doxytag: class="Cairo::Gradient" --><!-- doxytag: inherits="Cairo::Pattern" --><div class="dynheader">
Inheritance diagram for Cairo::Gradient:</div>
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
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<a href="classCairo_1_1Gradient-members.html">List of all members.</a><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="classCairo_1_1Gradient.html#fe5e5167dd48fc684c7e88ea07340a6c">add_color_stop_rgb</a> (double offset, double red, double green, double blue)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Adds an opaque color stop to a gradient pattern. <a href="#fe5e5167dd48fc684c7e88ea07340a6c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1Gradient.html#688da07943fa37f8ccbe33c379544d9f">add_color_stop_rgba</a> (double offset, double red, double green, double blue, double alpha)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Adds a translucent color stop to a gradient pattern. <a href="#688da07943fa37f8ccbe33c379544d9f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">std::vector< <a class="el" href="structCairo_1_1ColorStop.html">ColorStop</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1Gradient.html#bce464810b8a65c5804146fb5474c5cd">get_color_stops</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1Gradient.html#85f7dabff18993648a3e920eb7a8eb04">Gradient</a> (cairo_pattern_t *<a class="el" href="classCairo_1_1Pattern.html#430a261a68ae70ca1bd818c781178abc">cobject</a>, bool has_reference=false)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a C++ wrapper for the C instance. <a href="#85f7dabff18993648a3e920eb7a8eb04"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1Gradient.html#b14387f9054c5c8222452743d72d616b">~Gradient</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1Gradient.html#e50ccbfd16c1a03cd26b574ac4cd7533">Gradient</a> ()</td></tr>
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<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="85f7dabff18993648a3e920eb7a8eb04"></a><!-- doxytag: member="Cairo::Gradient::Gradient" ref="85f7dabff18993648a3e920eb7a8eb04" args="(cairo_pattern_t *cobject, bool has_reference=false)" -->
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<td class="memname">Cairo::Gradient::Gradient </td>
<td>(</td>
<td class="paramtype">cairo_pattern_t * </td>
<td class="paramname"> <em>cobject</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>has_reference</em> = <code>false</code></td><td> </td>
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<td>)</td>
<td></td><td></td><td width="100%"><code> [explicit]</code></td>
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<p>
Create a C++ wrapper for the C instance.
<p>
This C++ instance should then be given to a <a class="el" href="classCairo_1_1RefPtr.html" title="RefPtr<> is a reference-counting shared smartpointer.">RefPtr</a>. <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>cobject</em> </td><td>The C instance. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>has_reference</em> </td><td>Whether we already have a reference. Otherwise, the constructor will take an extra reference. </td></tr>
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<a class="anchor" name="b14387f9054c5c8222452743d72d616b"></a><!-- doxytag: member="Cairo::Gradient::~Gradient" ref="b14387f9054c5c8222452743d72d616b" args="()" -->
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<td class="memname">virtual Cairo::Gradient::~Gradient </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"><code> [virtual]</code></td>
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<p>
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<a class="anchor" name="e50ccbfd16c1a03cd26b574ac4cd7533"></a><!-- doxytag: member="Cairo::Gradient::Gradient" ref="e50ccbfd16c1a03cd26b574ac4cd7533" args="()" -->
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<td class="memname">Cairo::Gradient::Gradient </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"><code> [protected]</code></td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="fe5e5167dd48fc684c7e88ea07340a6c"></a><!-- doxytag: member="Cairo::Gradient::add_color_stop_rgb" ref="fe5e5167dd48fc684c7e88ea07340a6c" args="(double offset, double red, double green, double blue)" -->
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<td class="memname">void Cairo::Gradient::add_color_stop_rgb </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> <em>offset</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>red</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>green</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>blue</em></td><td> </td>
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<td>)</td>
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<p>
Adds an opaque color stop to a gradient pattern.
<p>
The offset specifies the location along the gradient's control vector. For example, a linear gradient's control vector is from (x0,y0) to (x1,y1) while a radial gradient's control vector is from any point on the start circle to the corresponding point on the end circle.<p>
The color is specified in the same way as in <a class="el" href="classCairo_1_1Context.html#ff3f3fc62bdf862646bb8cc568c30b2a" title="Sets the source pattern within the Context to an opaque color.">Context::set_source_rgb()</a>.<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>offset</em> </td><td>an offset in the range [0.0 .. 1.0] </td></tr>
<tr><td valign="top"></td><td valign="top"><em>red</em> </td><td>red component of color </td></tr>
<tr><td valign="top"></td><td valign="top"><em>green</em> </td><td>green component of color </td></tr>
<tr><td valign="top"></td><td valign="top"><em>blue</em> </td><td>blue component of color </td></tr>
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</dl>
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</div><p>
<a class="anchor" name="688da07943fa37f8ccbe33c379544d9f"></a><!-- doxytag: member="Cairo::Gradient::add_color_stop_rgba" ref="688da07943fa37f8ccbe33c379544d9f" args="(double offset, double red, double green, double blue, double alpha)" -->
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<td class="memname">void Cairo::Gradient::add_color_stop_rgba </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> <em>offset</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>red</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>green</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>blue</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>alpha</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
</tr>
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<p>
Adds a translucent color stop to a gradient pattern.
<p>
The offset specifies the location along the gradient's control vector. For example, a linear gradient's control vector is from (x0,y0) to (x1,y1) while a radial gradient's control vector is from any point on the start circle to the corresponding point on the end circle.<p>
The color is specified in the same way as in <a class="el" href="classCairo_1_1Context.html#f9267aed8eb866701178dcada6c7e51a" title="Sets the source pattern within the Context to a translucent color.">Context::set_source_rgba()</a>.<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>offset</em> </td><td>an offset in the range [0.0 .. 1.0] </td></tr>
<tr><td valign="top"></td><td valign="top"><em>red</em> </td><td>red component of color </td></tr>
<tr><td valign="top"></td><td valign="top"><em>green</em> </td><td>green component of color </td></tr>
<tr><td valign="top"></td><td valign="top"><em>blue</em> </td><td>blue component of color </td></tr>
<tr><td valign="top"></td><td valign="top"><em>alpha</em> </td><td>alpha component of color </td></tr>
</table>
</dl>
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</div><p>
<a class="anchor" name="bce464810b8a65c5804146fb5474c5cd"></a><!-- doxytag: member="Cairo::Gradient::get_color_stops" ref="bce464810b8a65c5804146fb5474c5cd" args="() const " -->
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<td class="memname">std::vector<<a class="el" href="structCairo_1_1ColorStop.html">ColorStop</a>> Cairo::Gradient::get_color_stops </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"> const</td>
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<p>
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</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="pattern_8h-source.html">pattern.h</a></ul>
</div>
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