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<div id="projectname">The Gnome Chemistry Utils
 <span id="projectnumber">0.14.2</span>
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<li class="navelem"><a class="el" href="dir_6719ab1f1f7655efc2fa43f7eb574fd1.html">libs</a></li><li class="navelem"><a class="el" href="dir_975b6899fe54d58f2bb7bbaded20abef.html">gccv</a></li> </ul>
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<div class="title">bezier-arrow.h</div> </div>
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<a href="bezier-arrow_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// -*- C++ -*-</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Gnome Chemistry Utils</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * gccv/bezier-arrow.h</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2009-2010 Jean Bréfort <jean.brefort@normalesup.org></span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * This program is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * modify it under the terms of the GNU General Public License as</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * published by the Free Software Foundation; either version 3 of the</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * along with this program; if not, write to the Free Software</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * USA</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#ifndef GCCV_BEZIER_ARROW_H</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span><span class="preprocessor">#define GCCV_BEZIER_ARROW_H</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="line-item_8h.html">line-item.h</a>"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="gccv_2structs_8h.html">structs.h</a>"</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>gccv {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="classgccv_1_1BezierArrow.html"> 40</a></span> <span class="keyword">class </span><a class="code" href="classgccv_1_1BezierArrow.html" title="Curved arrows.">BezierArrow</a>: <span class="keyword">public</span> <a class="code" href="classgccv_1_1LineItem.html" title="Base class for line items, whether straight or curved.">LineItem</a> {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="classgccv_1_1BezierArrow.html#a8584fc5382e6a9800a432b3fc2717ea8">BezierArrow</a> (<a class="code" href="classgccv_1_1Canvas.html" title="the Canvas class">Canvas</a> *canvas);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="classgccv_1_1BezierArrow.html#a8584fc5382e6a9800a432b3fc2717ea8">BezierArrow</a> (<a class="code" href="classgccv_1_1Group.html" title="Item with Item children.">Group</a> *parent, <a class="code" href="classgccv_1_1ItemClient.html" title="the base class for objects associated with a canvas item.">ItemClient</a> *client = NULL);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">virtual</span> <a class="code" href="classgccv_1_1BezierArrow.html#a432b81286bc19b24da5682390501e0f1">~BezierArrow</a> ();</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// virtual methods</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"></span> <span class="keywordtype">double</span> <a class="code" href="classgccv_1_1BezierArrow.html#a617be266938f36a13f5c4f5767951ade">Distance</a> (<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <a class="code" href="classgccv_1_1Item.html" title="The base class for the canvas contents.">Item</a> **item) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">void</span> <a class="code" href="classgccv_1_1BezierArrow.html#a021324a00e1a1ee03ec6d1c047693b5d">Draw</a> (cairo_t *cr, <span class="keywordtype">bool</span> is_vector) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">void</span> <a class="code" href="classgccv_1_1BezierArrow.html#a03772cd261939882f2a3f0c15991b03e">Move</a> (<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">void</span> <a class="code" href="classgccv_1_1BezierArrow.html#a5a17c211a2ad23648174cfac22aee5ef">UpdateBounds</a> ();</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">void</span> <a class="code" href="classgccv_1_1BezierArrow.html#a502b89682f9d5b9e9684012f2b904425">GetControlPoints</a> (<span class="keywordtype">double</span> &x0, <span class="keywordtype">double</span> &y0, <span class="keywordtype">double</span> &x1, <span class="keywordtype">double</span> &y1, <span class="keywordtype">double</span> &x2, <span class="keywordtype">double</span> &y2, <span class="keywordtype">double</span> &x3, <span class="keywordtype">double</span> &y3);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordtype">void</span> <a class="code" href="classgccv_1_1BezierArrow.html#a6925146a6f517d1ff23f1e0fdbb8ba0d">SetControlPoints</a> (<span class="keywordtype">double</span> x0, <span class="keywordtype">double</span> y0, <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> y1, <span class="keywordtype">double</span> x2, <span class="keywordtype">double</span> y2, <span class="keywordtype">double</span> x3, <span class="keywordtype">double</span> y3);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a name="l00130"></a><span class="lineno"><a class="code" href="classgccv_1_1BezierArrow.html#a41f7d4cc0c00a16c6549a750ed8ff1df"> 130</a></span> <a class="code" href="item_8h.html#a5f299fb435ad51bc5c96798a5d5beed5">GCCV_ITEM_POS_PROP</a> (<a class="code" href="namespacegccv.html#a74fe9d1f914810a905b8ba04596ed7d4">ArrowHeads</a>, Head)</div>
<div class="line"><a name="l00139"></a><span class="lineno"><a class="code" href="classgccv_1_1BezierArrow.html#a084090f1335f959d9dfcfbcb1f2c7f22"> 139</a></span> <a class="code" href="item_8h.html#a5f299fb435ad51bc5c96798a5d5beed5">GCCV_ITEM_POS_PROP</a> (<span class="keywordtype">double</span>, A)</div>
<div class="line"><a name="l00149"></a><span class="lineno"><a class="code" href="classgccv_1_1BezierArrow.html#a74b1f331560a938da5762d6fb0063717"> 149</a></span> <a class="code" href="item_8h.html#a5f299fb435ad51bc5c96798a5d5beed5">GCCV_ITEM_POS_PROP</a> (<span class="keywordtype">double</span>, B)</div>
<div class="line"><a name="l00158"></a><span class="lineno"><a class="code" href="classgccv_1_1BezierArrow.html#a491b613439c5156358215ff509b8ccd9"> 158</a></span> <a class="code" href="item_8h.html#a5f299fb435ad51bc5c96798a5d5beed5">GCCV_ITEM_POS_PROP</a> (<span class="keywordtype">double</span>, C)</div>
<div class="line"><a name="l00169"></a><span class="lineno"><a class="code" href="classgccv_1_1BezierArrow.html#a302960bc75fc34e8a4392cb76b17b0bf"> 169</a></span> <a class="code" href="item_8h.html#a5f299fb435ad51bc5c96798a5d5beed5">GCCV_ITEM_POS_PROP</a> (<span class="keywordtype">bool</span>, ShowControls)</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> private:</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="structgccv_1_1Point.html">Point</a> m_Controls[4];</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> };</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor">#endif // GCCV_BEZIER_ARROW_H</span></div>
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