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<html>
<head>
<title>Documentation</title>
<meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
<link rel='stylesheet' href='style.css' />
</head>
 
<body>
<div align='center'>
<table cellpadding='0' cellspacing='0' id='contenu' class='round' style='width: 80%; margin-bottom: 20px'>
<tr>
<td class='borderhg'>&nbsp;</td>
<td class='borderh'>&nbsp;</td>
<td class='cornerhd'></td>
</tr>
<tr>
<td class='borderg'>&nbsp;</td>
<td><a id="top"></a><h2> Class Line</h2><div class="extends"><ul>
<li><a href="Shape.html">Shape</a></li>
<ul><li>Line</li></ul>
</ul></div><div class="description">
<p>
La classe <a href="Line.html">Line</a> permet de manipuler des lignes de manière uniforme sur Artichow. Une ligne est composée de deux Point.
</p>
</div><div class="inherit">
Les classes suivantes dérivent de Line :
<ul><li><a href="Vector.html">Vector</a></li></ul>
</div><ul class="links"><li><a href="index.html">Retourner voir la liste de toutes les classes</a></li></ul><h2>Méthodes et propriétés</h2><ul class="properties">
<li>
<span class="access">protected</span> <a href="Point.html"><span class="type">Point</span></a> <a href="Line.html#property.p1"><span class="argument">$p1</span></a>
</li>
<li>
<span class="access">protected</span> <a href="Point.html"><span class="type">Point</span></a> <a href="Line.html#property.p2"><span class="argument">$p2</span></a>
</li>
<li>
<span class="access">private</span> <span class="type">float</span> <a href="Line.html#property.slope"><span class="argument">$slope</span></a>
</li>
<li>
<span class="access">private</span> <span class="type">float</span> <a href="Line.html#property.origin"><span class="argument">$origin</span></a>
</li>
</ul><ul class="methods">
<li>
<span class="access">public</span> <a href="Line.html#method.__construct">__construct</a>(<a href="Point.html"><span class="type">Point</span></a> <span class="argument">$p1</span>, <a href="Point.html"><span class="type">Point</span></a> <span class="argument">$p2</span>, <span class="type">int</span> <span class="argument">$style</span> := <span class="default">Line::SOLID</span>, <span class="type">int</span> <span class="argument">$thickness</span> := <span class="default">1</span>)
</li>
<li>
<span class="access">public static</span> <a href="Line.html#method.build">build</a>(<span class="type">int</span> <span class="argument">$x1</span>, <span class="type">int</span> <span class="argument">$y1</span>, <span class="type">int</span> <span class="argument">$x2</span>, <span class="type">int</span> <span class="argument">$y2</span>)
</li>
<li>
<span class="access">public</span> <a href="Line.html#method.setX">setX</a>(<span class="type">int</span> <span class="argument">$x1</span>, <span class="type">int</span> <span class="argument">$x2</span>)
</li>
<li>
<span class="access">public</span> <a href="Line.html#method.setY">setY</a>(<span class="type">int</span> <span class="argument">$y1</span>, <span class="type">int</span> <span class="argument">$y2</span>)
</li>
<li>
<span class="access">public</span> <a href="Line.html#method.setLocation">setLocation</a>(<a href="Point.html"><span class="type">Point</span></a> <span class="argument">$p1</span>, <a href="Point.html"><span class="type">Point</span></a> <span class="argument">$p2</span>)
</li>
<li>
<span class="access">public</span> <span class="type">array</span> <a href="Line.html#method.getLocation">getLocation</a>()
</li>
<li>
<span class="access">public</span> <span class="type">float</span> <a href="Line.html#method.getSize">getSize</a>()
</li>
<li>
<span class="access">public</span> <span class="type">float</span> <a href="Line.html#method.getSlope">getSlope</a>()
</li>
<li>
<span class="access">public</span> <span class="type">float</span> <a href="Line.html#method.getOrigin">getOrigin</a>()
</li>
<li>
<span class="access">public</span> <span class="type">array</span> <a href="Line.html#method.getEquation">getEquation</a>()
</li>
<li>
<span class="access">public</span> <span class="type">float</span> <a href="Line.html#method.getXFrom">getXFrom</a>(<span class="type">float</span> <span class="argument">$y</span>)
</li>
<li>
<span class="access">public</span> <span class="type">float</span> <a href="Line.html#method.getYFrom">getYFrom</a>(<span class="type">float</span> <span class="argument">$x</span>)
</li>
<li>
<span class="access">public</span> <span class="type">bool</span> <a href="Line.html#method.isPoint">isPoint</a>()
</li>
<li>
<span class="access">public</span> <span class="type">bool</span> <a href="Line.html#method.isHorizontal">isHorizontal</a>()
</li>
<li>
<span class="access">public</span> <span class="type">bool</span> <a href="Line.html#method.isVertical">isVertical</a>()
</li>
<li>
<span class="access">public</span> <span class="type">bool</span> <a href="Line.html#method.isTopToBottom">isTopToBottom</a>(<a href="Polygon.html"><span class="type">Polygon</span></a> <span class="argument">$polygon</span>)
</li>
<li>
<span class="access">public</span> <span class="type">bool</span> <a href="Line.html#method.isLeftToRight">isLeftToRight</a>(<a href="Polygon.html"><span class="type">Polygon</span></a> <span class="argument">$polygon</span>)
</li>
</ul><h2>Documentation</h2><ul class="doc">
<li class="property">
<a id="property.p1"></a><span class="access">protected</span> <a href="Point.html"><span class="type">Point</span></a> <a href="Line.html#property.p1"><span class="argument">$p1</span></a><div class="description">
Le premier point de la ligne.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="property">
<a id="property.p2"></a><span class="access">protected</span> <a href="Point.html"><span class="type">Point</span></a> <a href="Line.html#property.p2"><span class="argument">$p2</span></a><div class="description">
Le second point de la ligne.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="property">
<a id="property.slope"></a><span class="access">private</span> <span class="type">float</span> <a href="Line.html#property.slope"><span class="argument">$slope</span></a><div class="description">
La pente (ou coefficient directeur) de la droite.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="property">
<a id="property.origin"></a><span class="access">private</span> <span class="type">float</span> <a href="Line.html#property.origin"><span class="argument">$origin</span></a><div class="description">
La valeur de l'ordonnée à l'origine de la droite.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.__construct"></a><span class="access">public</span> <a href="Line.html#method.__construct">__construct</a>(<a href="Point.html"><span class="type">Point</span></a> <span class="argument">$p1</span>, <a href="Point.html"><span class="type">Point</span></a> <span class="argument">$p2</span>, <span class="type">int</span> <span class="argument">$style</span> := <span class="default">Line::SOLID</span>, <span class="type">int</span> <span class="argument">$thickness</span> := <span class="default">1</span>)
<div class="description">
Déclare une nouvelle ligne des points $p1 à $p2. La ligne est de style $style (<a href="Line.html#constant.SOLID">Line::SOLID</a> pour une ligne continue, <a href="Line.html#constant.DOTTED">Line::DOTTED</a> pour une ligne pointillée ou encore <a href="Line.html#constant.DASHED">Line::DASHED</a>) et d'épaisseur $thickness.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.build"></a><span class="access">public static</span> <a href="Line.html#method.build">build</a>(<span class="type">int</span> <span class="argument">$x1</span>, <span class="type">int</span> <span class="argument">$y1</span>, <span class="type">int</span> <span class="argument">$x2</span>, <span class="type">int</span> <span class="argument">$y2</span>)
<div class="description">
Construit une ligne à partir des coordonnées ($x1, $y1) et ($x2, $y2)
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.setX"></a><span class="access">public</span> <a href="Line.html#method.setX">setX</a>(<span class="type">int</span> <span class="argument">$x1</span>, <span class="type">int</span> <span class="argument">$x2</span>)
<div class="description">
Change les coordonnées X des deux points de la ligne pour $x1 et $x2.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.setY"></a><span class="access">public</span> <a href="Line.html#method.setY">setY</a>(<span class="type">int</span> <span class="argument">$y1</span>, <span class="type">int</span> <span class="argument">$y2</span>)
<div class="description">
Change les coordonnées Y des deux points de la ligne pour $y1 et $y2.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.setLocation"></a><span class="access">public</span> <a href="Line.html#method.setLocation">setLocation</a>(<a href="Point.html"><span class="type">Point</span></a> <span class="argument">$p1</span>, <a href="Point.html"><span class="type">Point</span></a> <span class="argument">$p2</span>)
<div class="description">
Change l'emplacement de la ligne pour les points $p1 et $p2 passés en paramètre.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.getLocation"></a><span class="access">public</span> <span class="type">array</span> <a href="Line.html#method.getLocation">getLocation</a>()
<div class="description">
Retourne la position de la ligne dans un tableau à deux valeurs.
<pre>
 
&lt;?php
$line = new Line(new Point(1, 2), new Point(3, 4));
list($p1, $p2) = $line-&gt;getLocation();
// $p1 == new Point(1, 2)
// $p2 == new Point(3, 4)
?&gt;
 
</pre>
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.getSize"></a><span class="access">public</span> <span class="type">float</span> <a href="Line.html#method.getSize">getSize</a>()
<div class="description">
Retourne la taille de la ligne en pixels.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.getSlope"></a><span class="access">public</span> <span class="type">float</span> <a href="Line.html#method.getSlope">getSlope</a>()
<ul class="version"><li>
Disponible depuis Artichow 1.0.9</li></ul>
<div class="description">
Renvoie la valeur de la pente de la ligne.
Si celle-ci est verticale, la pente vaudra NULL; si elle est horizontale, la pente vaudra 0.
La valeur est calculée uniquement lorsqu'elle est demandée.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.getOrigin"></a><span class="access">public</span> <span class="type">float</span> <a href="Line.html#method.getOrigin">getOrigin</a>()
<ul class="version"><li>
Disponible depuis Artichow 1.0.9</li></ul>
<div class="description">
Renvoie la valeur de l'ordonnée à l'origine.
Si la ligne est verticale, l'ordonnée à l'origine vaudra NULL.
La valeur est calculée uniquement lorsqu'elle est demandée.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.getEquation"></a><span class="access">public</span> <span class="type">array</span> <a href="Line.html#method.getEquation">getEquation</a>()
<ul class="version"><li>
Disponible depuis Artichow 1.0.9</li></ul>
<div class="description">
Renvoie un tableau contenant la pente et l'ordonnée à l'origine de la ligne.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.getXFrom"></a><span class="access">public</span> <span class="type">float</span> <a href="Line.html#method.getXFrom">getXFrom</a>(<span class="type">float</span> <span class="argument">$y</span>)
<ul class="version"><li>
Disponible depuis Artichow 1.0.9</li></ul>
<div class="description">
Renvoie la valeur de l'abscisse du point d'ordonnée $y situé sur la droite portant la ligne.
Si la ligne est horizontale et que $y est différent de l'ordonnée à l'origine, aucun point ne pourra être trouvé et la méthode renverra NULL.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.getYFrom"></a><span class="access">public</span> <span class="type">float</span> <a href="Line.html#method.getYFrom">getYFrom</a>(<span class="type">float</span> <span class="argument">$x</span>)
<ul class="version"><li>
Disponible depuis Artichow 1.0.9</li></ul>
<div class="description">
Renvoie la valeur de l'ordonnée du point d'abscisse $x situé sur la droite portant la ligne.
Si la ligne est verticale et qu'aucun point correspondant à $x ne peut être trouvé, la méthode renverra NULL.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.isPoint"></a><span class="access">public</span> <span class="type">bool</span> <a href="Line.html#method.isPoint">isPoint</a>()
<div class="description">
Retourne TRUE si la ligne peut être considérée comme un point, FALSE sinon.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.isHorizontal"></a><span class="access">public</span> <span class="type">bool</span> <a href="Line.html#method.isHorizontal">isHorizontal</a>()
<div class="description">
Retourne TRUE si la ligne est horizontale, FALSE sinon.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.isVertical"></a><span class="access">public</span> <span class="type">bool</span> <a href="Line.html#method.isVertical">isVertical</a>()
<div class="description">
Retourne TRUE si la ligne est verticale, FALSE sinon.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.isTopToBottom"></a><span class="access">public</span> <span class="type">bool</span> <a href="Line.html#method.isTopToBottom">isTopToBottom</a>(<a href="Polygon.html"><span class="type">Polygon</span></a> <span class="argument">$polygon</span>)
<ul class="version"><li>
Disponible depuis Artichow 1.0.9</li></ul>
<div class="description">
Renvoie TRUE si la ligne remplit toute la hauteur du rectangle encadrant le polygone $polygon, FALSE sinon.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
<li class="method">
<a id="method.isLeftToRight"></a><span class="access">public</span> <span class="type">bool</span> <a href="Line.html#method.isLeftToRight">isLeftToRight</a>(<a href="Polygon.html"><span class="type">Polygon</span></a> <span class="argument">$polygon</span>)
<ul class="version"><li>
Disponible depuis Artichow 1.0.9</li></ul>
<div class="description">
Renvoie TRUE si la ligne remplit toute la largeur du rectangle encadrant le polygone $polygon, FALSE sinon.
</div>
<div class="description-bottom"><a href="Line.html#top">Remonter</a></div>
</li>
</ul>
</td>
<td class='borderd'>&nbsp;</td>
</tr>
<tr>
<td class='cornerbg'></td>
<td class='borderb'>&nbsp;</td>
<td class='cornerbd'></td>
</tr>
</table>
</div>
</body>
</html>