<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>cairomm: Cairo::Gradient Class Reference</title> <link href="cairomm.css" rel="stylesheet" type="text/css"> </head> <body> <!-- Generated by Doxygen 1.7.1 --> <div class="navigation" id="top"> <div class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> </ul> </div> <div class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> <div class="navpath"> <ul> <li><a class="el" href="namespaceCairo.html">Cairo</a> </li> <li><a class="el" href="classCairo_1_1Gradient.html">Cairo::Gradient</a> </li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> | <a href="#pro-methods">Protected Member Functions</a> </div> <div class="headertitle"> <h1>Cairo::Gradient Class Reference</h1> </div> </div> <div class="contents"> <!-- doxytag: class="Cairo::Gradient" --><!-- doxytag: inherits="Cairo::Pattern" --> <p>Inherits <a class="el" href="classCairo_1_1Pattern.html">Cairo::Pattern</a>.</p> <p>Inherited by <a class="el" href="classCairo_1_1LinearGradient.html">Cairo::LinearGradient</a>, and <a class="el" href="classCairo_1_1RadialGradient.html">Cairo::RadialGradient</a>.</p> <p><a href="classCairo_1_1Gradient-members.html">List of all members.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1Gradient.html#a85f7dabff18993648a3e920eb7a8eb04">Gradient</a> (cairo_pattern_t*<a class="el" href="classCairo_1_1Pattern.html#a430a261a68ae70ca1bd818c781178abc">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="#a85f7dabff18993648a3e920eb7a8eb04"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1Gradient.html#ab14387f9054c5c8222452743d72d616b">~Gradient</a> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1Gradient.html#afe5e5167dd48fc684c7e88ea07340a6c">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="#afe5e5167dd48fc684c7e88ea07340a6c"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1Gradient.html#a688da07943fa37f8ccbe33c379544d9f">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="#a688da07943fa37f8ccbe33c379544d9f"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a00640.html">std::vector</a>< <a class="el" href="structCairo_1_1ColorStop.html">ColorStop</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1Gradient.html#abce464810b8a65c5804146fb5474c5cd">get_color_stops</a> () const </td></tr> <tr><td colspan="2"><h2><a name="pro-methods"></a> Protected Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCairo_1_1Gradient.html#ae50ccbfd16c1a03cd26b574ac4cd7533">Gradient</a> ()</td></tr> </table> <hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="a85f7dabff18993648a3e920eb7a8eb04"></a><!-- doxytag: member="Cairo::Gradient::Gradient" ref="a85f7dabff18993648a3e920eb7a8eb04" args="(cairo_pattern_t *cobject, bool has_reference=false)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">Cairo::Gradient::Gradient </td> <td>(</td> <td class="paramtype">cairo_pattern_t * </td> <td class="paramname"> <em>cobject</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">bool </td> <td class="paramname"> <em>has_reference</em> = <code>false</code></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td><code> [explicit]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Create a C++ wrapper for the C instance. </p> <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>. </p> <dl><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> </table> </dd> </dl> </div> </div> <a class="anchor" id="ab14387f9054c5c8222452743d72d616b"></a><!-- doxytag: member="Cairo::Gradient::~Gradient" ref="ab14387f9054c5c8222452743d72d616b" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual Cairo::Gradient::~Gradient </td> <td>(</td> <td class="paramname"></td> <td> ) </td> <td><code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> </div> </div> <a class="anchor" id="ae50ccbfd16c1a03cd26b574ac4cd7533"></a><!-- doxytag: member="Cairo::Gradient::Gradient" ref="ae50ccbfd16c1a03cd26b574ac4cd7533" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">Cairo::Gradient::Gradient </td> <td>(</td> <td class="paramname"></td> <td> ) </td> <td><code> [protected]</code></td> </tr> </table> </div> <div class="memdoc"> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="afe5e5167dd48fc684c7e88ea07340a6c"></a><!-- doxytag: member="Cairo::Gradient::add_color_stop_rgb" ref="afe5e5167dd48fc684c7e88ea07340a6c" args="(double offset, double red, double green, double blue)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <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> <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><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Adds an opaque color stop to a gradient pattern. </p> <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> <p>The color is specified in the same way as in <a class="el" href="classCairo_1_1Context.html#aff3f3fc62bdf862646bb8cc568c30b2a" title="Sets the source pattern within the Context to an opaque color.">Context::set_source_rgb()</a>.</p> <dl><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> </table> </dd> </dl> </div> </div> <a class="anchor" id="a688da07943fa37f8ccbe33c379544d9f"></a><!-- doxytag: member="Cairo::Gradient::add_color_stop_rgba" ref="a688da07943fa37f8ccbe33c379544d9f" args="(double offset, double red, double green, double blue, double alpha)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <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></td> </tr> </table> </div> <div class="memdoc"> <p>Adds a translucent color stop to a gradient pattern. </p> <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> <p>The color is specified in the same way as in <a class="el" href="classCairo_1_1Context.html#af9267aed8eb866701178dcada6c7e51a" title="Sets the source pattern within the Context to a translucent color.">Context::set_source_rgba()</a>.</p> <dl><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> </dd> </dl> </div> </div> <a class="anchor" id="abce464810b8a65c5804146fb5474c5cd"></a><!-- doxytag: member="Cairo::Gradient::get_color_stops" ref="abce464810b8a65c5804146fb5474c5cd" args="() const " --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="elRef" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a00640.html">std::vector</a><<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> const</td> </tr> </table> </div> <div class="memdoc"> </div> </div> <hr/>The documentation for this class was generated from the following file:<ul> <li>cairomm/pattern.h</li> </ul> </div> <hr class="footer"/><address class="footer"><small>Generated on Thu Dec 30 2010 22:31:50 for cairomm by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.1 </small></address> </body> </html>