AlgaLaptop
347 lines
26 KiB
HTML
347 lines
26 KiB
HTML
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<!-- Generated by javadoc (24) on Wed Jan 07 19:25:35 CET 2026 -->
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<title>PIFReader</title>
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<meta name="dc.created" content="2026-01-07">
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<meta name="description" content="declaration: package: fr.iutfbleau.sae.mpif, class: PIFReader">
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<li><a href="PIFReader.html" class="current-selection">PIFReader</a></li>
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<li><a href="#" tabindex="0">Description</a></li>
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<li><a href="#constructor-summary" tabindex="0">Constructor Summary</a></li>
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<li><a href="#method-summary" tabindex="0">Method Summary</a></li>
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<li><a href="#constructor-detail" tabindex="0">Constructor Details</a>
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<ol class="toc-list">
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<li><a href="#%3Cinit%3E()" tabindex="0">PIFReader()</a></li>
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</ol>
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</li>
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<li><a href="#method-detail" tabindex="0">Method Details</a>
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<ol class="toc-list">
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<li><a href="#decodePifFile(java.io.File)" tabindex="0">decodePifFile(File)</a></li>
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<li><a href="#readHeader(fr.iutfbleau.sae.mpif.BitInputStream)" tabindex="0">readHeader(BitInputStream)</a></li>
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<li><a href="#readCanonicalTables(fr.iutfbleau.sae.mpif.BitInputStream)" tabindex="0">readCanonicalTables(BitInputStream)</a></li>
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<li><a href="#rebuildCanonical(int%5B%5D)" tabindex="0">rebuildCanonical(int[])</a></li>
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<li><a href="#buildDecodageTree(java.util.Map)" tabindex="0">buildDecodageTree(Map)</a></li>
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<li><a href="#decodePixels(fr.iutfbleau.sae.mpif.BitInputStream,fr.iutfbleau.sae.mpif.DecodeNode,fr.iutfbleau.sae.mpif.DecodeNode,fr.iutfbleau.sae.mpif.DecodeNode)" tabindex="0">decodePixels(BitInputStream, DecodeNode, DecodeNode, DecodeNode)</a></li>
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<li><a href="#isPIFFile(java.io.File)" tabindex="0">isPIFFile(File)</a></li>
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<main role="main">
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<!-- ======== START OF CLASS DATA ======== -->
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<div class="header">
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<h1 title="Class PIFReader" class="title">Class PIFReader</h1>
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</div>
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<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
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<div class="inheritance">fr.iutfbleau.sae.mpif.PIFReader</div>
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</div>
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<section class="class-description" id="class-description">
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<hr>
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<div class="horizontal-scroll">
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<div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">PIFReader</span>
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<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
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<div class="block">Cette classe permet de lire un fichier .pif et de reconstruire l'image d'origine.
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Elle lit d'abord l'en-tête puis les longueurs des codes canoniques.
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Ensuite elle reconstruit les codes, construit les arbres de décodage
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et décode les pixels un par un pour obtenir l'image RGB finale.
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Elle est utilisée par le programme Viewer pour afficher une image .pif.</div>
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</div>
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</section>
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<section class="summary">
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<ul class="summary-list">
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<li>
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<section class="constructor-summary" id="constructor-summary">
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<h2>Constructor Summary</h2>
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<div class="caption"><span>Constructors</span></div>
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<div class="summary-table two-column-summary">
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<div class="table-header col-first">Constructor</div>
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<div class="table-header col-last">Description</div>
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<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">PIFReader</a>()</code></div>
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<div class="col-last even-row-color"> </div>
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</div>
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</section>
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</li>
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<!-- ========== METHOD SUMMARY =========== -->
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<li>
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<section class="method-summary" id="method-summary">
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<h2>Method Summary</h2>
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<div id="method-summary-table">
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<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
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<div id="method-summary-table.tabpanel" role="tabpanel" aria-labelledby="method-summary-table-tab0">
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<div class="summary-table three-column-summary">
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<div class="table-header col-first">Modifier and Type</div>
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<div class="table-header col-second">Method</div>
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<div class="table-header col-last">Description</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="DecodeNode.html" title="class in fr.iutfbleau.sae.mpif">DecodeNode</a></code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#buildDecodageTree(java.util.Map)" class="member-name-link">buildDecodageTree</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a>> codes)</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Construit un arbre de décodage à partir des codes canoniques.</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="RGBImage.html" title="class in fr.iutfbleau.sae.mpif">RGBImage</a></code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#decodePifFile(java.io.File)" class="member-name-link">decodePifFile</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a> file)</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Cette methode sert de point d'entrer pour le decodage d'un pif.</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="RGBImage.html" title="class in fr.iutfbleau.sae.mpif">RGBImage</a></code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#decodePixels(fr.iutfbleau.sae.mpif.BitInputStream,fr.iutfbleau.sae.mpif.DecodeNode,fr.iutfbleau.sae.mpif.DecodeNode,fr.iutfbleau.sae.mpif.DecodeNode)" class="member-name-link">decodePixels</a><wbr>(<a href="BitInputStream.html" title="class in fr.iutfbleau.sae.mpif">BitInputStream</a> in,
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<a href="DecodeNode.html" title="class in fr.iutfbleau.sae.mpif">DecodeNode</a> red,
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<a href="DecodeNode.html" title="class in fr.iutfbleau.sae.mpif">DecodeNode</a> green,
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<a href="DecodeNode.html" title="class in fr.iutfbleau.sae.mpif">DecodeNode</a> blue)</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Décode l'ensemble des pixels de l'image en utilisant les trois arbres
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correspondant aux composantes rouge, verte et bleue.</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isPIFFile(java.io.File)" class="member-name-link">isPIFFile</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a> f)</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
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<div class="block">Vérifie si un fichier est un fichier .pif valide.</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#readCanonicalTables(fr.iutfbleau.sae.mpif.BitInputStream)" class="member-name-link">readCanonicalTables</a><wbr>(<a href="BitInputStream.html" title="class in fr.iutfbleau.sae.mpif">BitInputStream</a> in)</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Lit les longueurs des code canoniques pour les trois composantes
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rouge, vert et bleu.</div>
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</div>
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<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
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<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#readHeader(fr.iutfbleau.sae.mpif.BitInputStream)" class="member-name-link">readHeader</a><wbr>(<a href="BitInputStream.html" title="class in fr.iutfbleau.sae.mpif">BitInputStream</a> in)</code></div>
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<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Lit l'en-tête du fichier .pif.</div>
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</div>
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><wbr><<a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a>></code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#rebuildCanonical(int%5B%5D)" class="member-name-link">rebuildCanonical</a><wbr>(int[] lengths)</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
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<div class="block">Reconstruit les codes canoniques à partir des longueurs stockées dans le fichier.</div>
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</div>
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</div>
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</div>
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</div>
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<div class="inherited-list">
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<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
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<code><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
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</section>
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</li>
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</ul>
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</section>
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<section class="details">
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<ul class="details-list">
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<li>
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<section class="constructor-details" id="constructor-detail">
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<h2>Constructor Details</h2>
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<ul class="member-list">
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<li>
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<section class="detail" id="<init>()">
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<h3>PIFReader</h3>
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<div class="horizontal-scroll">
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<div class="member-signature"><span class="modifiers">public</span> <span class="element-name">PIFReader</span>()</div>
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</div>
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</section>
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</li>
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</ul>
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</section>
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</li>
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<!-- ============ METHOD DETAIL ========== -->
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<li>
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<section class="method-details" id="method-detail">
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<h2>Method Details</h2>
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<ul class="member-list">
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<li>
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<section class="detail" id="decodePifFile(java.io.File)">
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<h3>decodePifFile</h3>
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<div class="horizontal-scroll">
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<div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="RGBImage.html" title="class in fr.iutfbleau.sae.mpif">RGBImage</a></span> <span class="element-name">decodePifFile</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a> file)</span>
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throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></span></div>
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<div class="block">Cette methode sert de point d'entrer pour le decodage d'un pif.
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Elle Lit complètement un fichier .pif et renvoie l'image décodée.
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Elle lit l'en-tête, récupère les longueurs des codes,
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reconstruit les codes canoniques puis les arbres nécessaires
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au décodage. Enfin elle lit pixel par pixel.</div>
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<dl class="notes">
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<dt>Parameters:</dt>
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<dd><code>file</code> - fichier .pif à décoder</dd>
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<dt>Returns:</dt>
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<dd>l'image obtenue après décodage</dd>
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<dt>Throws:</dt>
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<dd><code><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Exception.html" title="class or interface in java.lang" class="external-link">Exception</a></code> - si le fichier est invalide ou si une erreur survient pendant la lecture</dd>
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</dl>
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</div>
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</section>
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</li>
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<li>
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<section class="detail" id="readHeader(fr.iutfbleau.sae.mpif.BitInputStream)">
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<h3>readHeader</h3>
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<div class="horizontal-scroll">
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<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">readHeader</span><wbr><span class="parameters">(<a href="BitInputStream.html" title="class in fr.iutfbleau.sae.mpif">BitInputStream</a> in)</span>
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throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
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<div class="block">Lit l'en-tête du fichier .pif. On y récupère la largeur
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et la hauteur de l'image, chacune codée sur 16 bits.</div>
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<dl class="notes">
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<dt>Parameters:</dt>
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<dd><code>in</code> - flux binaire à lire</dd>
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<dt>Throws:</dt>
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<dd><code><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - si la lecture échoue</dd>
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</dl>
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</div>
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</section>
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</li>
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<li>
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<section class="detail" id="readCanonicalTables(fr.iutfbleau.sae.mpif.BitInputStream)">
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<h3>readCanonicalTables</h3>
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<div class="horizontal-scroll">
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<div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">readCanonicalTables</span><wbr><span class="parameters">(<a href="BitInputStream.html" title="class in fr.iutfbleau.sae.mpif">BitInputStream</a> in)</span>
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throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
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<div class="block">Lit les longueurs des code canoniques pour les trois composantes
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|
rouge, vert et bleu. Chaque table contient 256 valeurs sur 5 bits.
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Ces longueurs permettront de reconstruire les vrais codes plus tard</div>
|
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<dl class="notes">
|
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<dt>Parameters:</dt>
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<dd><code>in</code> - flux binaire d'entrée pdfpdof</dd>
|
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<dt>Throws:</dt>
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<dd><code><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - si erreur de lecture se produit</dd>
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</dl>
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</div>
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|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="rebuildCanonical(int[])">
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|
<h3>rebuildCanonical</h3>
|
|
<div class="horizontal-scroll">
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|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a>></span> <span class="element-name">rebuildCanonical</span><wbr><span class="parameters">(int[] lengths)</span></div>
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|
<div class="block">Reconstruit les codes canoniques à partir des longueurs stockées dans le fichier.
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|
On trie d'abord les paires (symbole, longueur), puis on génère les codes
|
|
en appliquant la règle des codes canoniques.</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>lengths</code> - tableau contenant les longueurs des codes pour 256 symboles</dd>
|
|
<dt>Returns:</dt>
|
|
<dd>une table qui associe un code binaire (sous forme de texte) à son symbole</dd>
|
|
</dl>
|
|
</div>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="buildDecodageTree(java.util.Map)">
|
|
<h3>buildDecodageTree</h3>
|
|
<div class="horizontal-scroll">
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="DecodeNode.html" title="class in fr.iutfbleau.sae.mpif">DecodeNode</a></span> <span class="element-name">buildDecodageTree</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a>> codes)</span></div>
|
|
<div class="block">Construit un arbre de décodage à partir des codes canoniques.
|
|
Chaque code binaire définit un chemin dans l'arbre jusqu'à une feuille
|
|
contenant le symbole à décoder.</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>codes</code> - dictionnaire associant le code binaire au symbole</dd>
|
|
<dt>Returns:</dt>
|
|
<dd>la racine de l'arbre de décodage</dd>
|
|
</dl>
|
|
</div>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="decodePixels(fr.iutfbleau.sae.mpif.BitInputStream,fr.iutfbleau.sae.mpif.DecodeNode,fr.iutfbleau.sae.mpif.DecodeNode,fr.iutfbleau.sae.mpif.DecodeNode)">
|
|
<h3>decodePixels</h3>
|
|
<div class="horizontal-scroll">
|
|
<div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="RGBImage.html" title="class in fr.iutfbleau.sae.mpif">RGBImage</a></span> <span class="element-name">decodePixels</span><wbr><span class="parameters">(<a href="BitInputStream.html" title="class in fr.iutfbleau.sae.mpif">BitInputStream</a> in,
|
|
<a href="DecodeNode.html" title="class in fr.iutfbleau.sae.mpif">DecodeNode</a> red,
|
|
<a href="DecodeNode.html" title="class in fr.iutfbleau.sae.mpif">DecodeNode</a> green,
|
|
<a href="DecodeNode.html" title="class in fr.iutfbleau.sae.mpif">DecodeNode</a> blue)</span>
|
|
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
|
|
<div class="block">Décode l'ensemble des pixels de l'image en utilisant les trois arbres
|
|
correspondant aux composantes rouge, verte et bleue.
|
|
Chaque symbole est lu en parcourant l'arbre bit par bit.</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>in</code> - flux binaire contenant les données des pixels</dd>
|
|
<dd><code>red</code> - arbre de décodage pour le rouge</dd>
|
|
<dd><code>green</code> - arbre pour le vert</dd>
|
|
<dd><code>blue</code> - arbre pour le bleu</dd>
|
|
<dt>Returns:</dt>
|
|
<dd>l'image RGB reconstruite</dd>
|
|
<dt>Throws:</dt>
|
|
<dd><code><a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - si un symbole est invalide ou si la lecture échoue</dd>
|
|
</dl>
|
|
</div>
|
|
</section>
|
|
</li>
|
|
<li>
|
|
<section class="detail" id="isPIFFile(java.io.File)">
|
|
<h3>isPIFFile</h3>
|
|
<div class="horizontal-scroll">
|
|
<div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">boolean</span> <span class="element-name">isPIFFile</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a> f)</span></div>
|
|
<div class="block">Vérifie si un fichier est un fichier .pif valide.
|
|
On teste l'existence du fichier, son extension et une taille minimale
|
|
permettant au moins de contenir l'en-tête et les tables de longueurs.</div>
|
|
<dl class="notes">
|
|
<dt>Parameters:</dt>
|
|
<dd><code>f</code> - fichier à tester</dd>
|
|
<dt>Returns:</dt>
|
|
<dd>true si le fichier semble être un .pif valide, sinon false</dd>
|
|
</dl>
|
|
</div>
|
|
</section>
|
|
</li>
|
|
</ul>
|
|
</section>
|
|
</li>
|
|
</ul>
|
|
</section>
|
|
<!-- ========= END OF CLASS DATA ========= -->
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</main>
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</div>
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</body>
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</html>
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