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<td><a id="top"></a><h2> Class BarPlot</h2><div class="extends"><ul> |
<li><a href="Component.html">Component</a></li> |
<ul> |
<li><a href="Plot.html">Plot</a></li> |
<ul><li>BarPlot <span class="interface">implements</span> <a href="Legendable.html">Legendable</a> |
</li></ul> |
</ul> |
</ul></div><div class="description"> |
<p> |
Cette classe permet de dessiner des histogrammes. |
</p> |
</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">public</span> <a href="Label.html"><span class="type">Label</span></a> <a href="BarPlot.html#property.label"><span class="argument">$label</span></a> |
</li> |
<li> |
<span class="access">public</span> <a href="Shadow.html"><span class="type">Shadow</span></a> <a href="BarPlot.html#property.barShadow"><span class="argument">$barShadow</span></a> |
</li> |
<li> |
<span class="access">public</span> <a href="Border.html"><span class="type">Border</span></a> <a href="BarPlot.html#property.barBorder"><span class="argument">$barBorder</span></a> |
</li> |
</ul><ul class="methods"> |
<li> |
<span class="access">public</span> <a href="BarPlot.html#method.__construct">__construct</a>(<span class="type">array</span> <span class="argument">$values</span>, <span class="type">int</span> <span class="argument">$identifier</span> := <span class="default">1</span>, <span class="type">int</span> <span class="argument">$number</span> := <span class="default">1</span>, <span class="type">int</span> <span class="argument">$depth</span> := <span class="default">0</span>) |
</li> |
<li> |
<span class="access">public</span> <a href="BarPlot.html#method.setBarPadding">setBarPadding</a>(<span class="type">float</span> <span class="argument">$left</span> := <span class="default">NULL</span>, <span class="type">float</span> <span class="argument">$right</span> := <span class="default">NULL</span>) |
</li> |
<li> |
<span class="access">public</span> <a href="BarPlot.html#method.setBarSize">setBarSize</a>(<span class="type">float</span> <span class="argument">$size</span>) |
</li> |
<li> |
<span class="access">public</span> <a href="BarPlot.html#method.setBarSpace">setBarSpace</a>(<span class="type">int</span> <span class="argument">$space</span>) |
</li> |
<li> |
<span class="access">public</span> <a href="BarPlot.html#method.setBarColor">setBarColor</a>(<a href="Color.html"><span class="type">Color</span></a> <span class="argument">$color</span>) |
</li> |
<li> |
<span class="access">public</span> <a href="BarPlot.html#method.setBarGradient">setBarGradient</a>(<a href="Gradient.html"><span class="type">Gradient</span></a> <span class="argument">$gradient</span>) |
</li> |
<li> |
<span class="access">public</span> <a href="BarPlot.html#method.move">move</a>(<span class="type">int</span> <span class="argument">$x</span>, <span class="type">int</span> <span class="argument">$y</span>) |
</li> |
</ul><h2>Documentation</h2><ul class="doc"> |
<li class="property"> |
<a id="property.label"></a><span class="access">public</span> <a href="Label.html"><span class="type">Label</span></a> <a href="BarPlot.html#property.label"><span class="argument">$label</span></a><div class="description"> |
Représente les étiquettes affichées au-dessus de chaque barre de l'histogramme. |
Ces étiquettes contiennent la valeur de chaque barre. |
</div> |
<div class="description-bottom"><a href="BarPlot.html#top">Remonter</a></div> |
</li> |
<li class="property"> |
<a id="property.barShadow"></a><span class="access">public</span> <a href="Shadow.html"><span class="type">Shadow</span></a> <a href="BarPlot.html#property.barShadow"><span class="argument">$barShadow</span></a><div class="description"> |
Représente l'ombre associée à chaque barre de l'histogramme. |
</div> |
<div class="description-bottom"><a href="BarPlot.html#top">Remonter</a></div> |
</li> |
<li class="property"> |
<a id="property.barBorder"></a><span class="access">public</span> <a href="Border.html"><span class="type">Border</span></a> <a href="BarPlot.html#property.barBorder"><span class="argument">$barBorder</span></a><div class="description"> |
La bordure à afficher autour de chaque barre de l'histogramme. |
</div> |
<div class="description-bottom"><a href="BarPlot.html#top">Remonter</a></div> |
</li> |
<li class="method"> |
<a id="method.__construct"></a><span class="access">public</span> <a href="BarPlot.html#method.__construct">__construct</a>(<span class="type">array</span> <span class="argument">$values</span>, <span class="type">int</span> <span class="argument">$identifier</span> := <span class="default">1</span>, <span class="type">int</span> <span class="argument">$number</span> := <span class="default">1</span>, <span class="type">int</span> <span class="argument">$depth</span> := <span class="default">0</span>) |
<div class="description"> |
Créé un nouvel histogramme avec les valeurs présentes dans $values. |
$number représente le nombre d'histogrammes affichés en parallèle tandis que $identifier permet de spécifier où se situe l'histogramme courant. |
$depth représente la profondeur de l'histogramme en pixels. |
Le tableau $values doit être une liste de valeurs dans un tableau incrémental, c'est-à-dire dont les clés valent de 0 à n - 1 (où n est la taille du tableau). |
<pre> |
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<?php |
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require_once "BarPlot.class.php"; |
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$graph = new <a href="Graph.html">Graph</a>(400, 400); |
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// Tableau de valeurs |
$x = array(-19, 42, 31); |
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$plot = new <a href="BarPlot.html">BarPlot</a>($x); |
$plot-><a href="Plot.html#method.setXAxisZero">setXAxisZero</a>(TRUE); |
$plot-><a href="BarPlot.html#method.setBarColor">setBarColor</a>( |
new <a href="Color.html">Color</a>(240, 185, 130, 20) |
); |
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$graph-><a href="Graph.html#method.add">add</a>($plot); |
$graph-><a href="Graph.html#method.draw">draw</a>(); |
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?> |
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</pre> |
</div> |
<div class="description-bottom"><a href="BarPlot.html#top">Remonter</a></div> |
</li> |
<li class="method"> |
<a id="method.setBarPadding"></a><span class="access">public</span> <a href="BarPlot.html#method.setBarPadding">setBarPadding</a>(<span class="type">float</span> <span class="argument">$left</span> := <span class="default">NULL</span>, <span class="type">float</span> <span class="argument">$right</span> := <span class="default">NULL</span>) |
<div class="description"> |
Change l'espace interne de gauche et de droite sur chaque barre. |
Laisser $left ou $right à NULL permet de ne pas modifier l'ancienne valeur. |
Les valeurs données doivent être comprises entre 0 et 1 et représentent une fraction de l'espace réservé à chaque barre. |
</div> |
<div class="description-bottom"><a href="BarPlot.html#top">Remonter</a></div> |
</li> |
<li class="method"> |
<a id="method.setBarSize"></a><span class="access">public</span> <a href="BarPlot.html#method.setBarSize">setBarSize</a>(<span class="type">float</span> <span class="argument">$size</span>) |
<div class="description"> |
Change la taille de chaque barre pour $size. |
Les valeurs données doivent être comprises entre 0 et 1 et représentent une fraction de l'espace réservé à chaque barre. |
</div> |
<div class="description-bottom"><a href="BarPlot.html#top">Remonter</a></div> |
</li> |
<li class="method"> |
<a id="method.setBarSpace"></a><span class="access">public</span> <a href="BarPlot.html#method.setBarSpace">setBarSpace</a>(<span class="type">int</span> <span class="argument">$space</span>) |
<div class="description"> |
Change l'espace entre les histogrammes affichés en parallèle pour $space. |
</div> |
<div class="description-bottom"><a href="BarPlot.html#top">Remonter</a></div> |
</li> |
<li class="method"> |
<a id="method.setBarColor"></a><span class="access">public</span> <a href="BarPlot.html#method.setBarColor">setBarColor</a>(<a href="Color.html"><span class="type">Color</span></a> <span class="argument">$color</span>) |
<div class="description"> |
Change la couleur des barres de l'histogrammes. |
</div> |
<div class="description-bottom"><a href="BarPlot.html#top">Remonter</a></div> |
</li> |
<li class="method"> |
<a id="method.setBarGradient"></a><span class="access">public</span> <a href="BarPlot.html#method.setBarGradient">setBarGradient</a>(<a href="Gradient.html"><span class="type">Gradient</span></a> <span class="argument">$gradient</span>) |
<div class="description"> |
Change le dégradé de fond des barres de l'histogramme. |
Le dégradé de fond remplit le polygone définit par tous les points de la ligne additionés des points extrêmes de l'axe des abscisses. |
<pre> |
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<?php |
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require_once "BarPlot.class.php"; |
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$graph = new <a href="Graph.html">Graph</a>(400, 400); |
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$x = array(19, 30, 31, -42, 11); |
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$plot = new <a href="BarPlot.html">BarPlot</a>($x); |
$plot-><a href="BarPlot.html#method.setBarGradient">setBarGradient</a>( |
new <a href="LinearGradient.html">LinearGradient</a>( |
new <a href="Color.html">Color</a>(255, 20, 20, 30), |
new <a href="Color.html">Color</a>(20, 255, 20, 30), |
90 |
) |
); |
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$plot-><a href="Plot.html#method.setYMin">setYMin</a>(-100); |
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$graph-><a href="Graph.html#method.add">add</a>($plot); |
$graph-><a href="Graph.html#method.draw">draw</a>(); |
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?> |
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</pre> |
</div> |
<div class="description-bottom"><a href="BarPlot.html#top">Remonter</a></div> |
</li> |
<li class="method"> |
<a id="method.move"></a><span class="access">public</span> <a href="BarPlot.html#method.move">move</a>(<span class="type">int</span> <span class="argument">$x</span>, <span class="type">int</span> <span class="argument">$y</span>) |
<div class="description"> |
Déplace chaque barre de $x pixels sur l'horizontale et $y pixels sur la vertical avant le dessin. |
</div> |
<div class="description-bottom"><a href="BarPlot.html#top">Remonter</a></div> |
</li> |
</ul> |
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