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<title>Retour du texte � la ligne et couleurs</title>
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<h1>Retour du texte � la ligne et couleurs</h1>
Voici pour continuer un exemple imprimant des paragraphes de texte justifi�. Il illustre
�galement l'utilisation des couleurs.
<div class="source">
<pre><code>&lt;?php
<span class="kw">require(</span><span class="str">'fpdf.php'</span><span class="kw">);

class </span>PDF <span class="kw">extends </span>FPDF
<span class="kw">{
function </span>Header<span class="kw">()
{
    global </span>$titre<span class="kw">;

    </span><span class="cmt">// Arial gras 15
    </span>$<span class="kw">this-&gt;</span>SetFont<span class="kw">(</span><span class="str">'Arial'</span><span class="kw">,</span><span class="str">'B'</span><span class="kw">,</span>15<span class="kw">);
    </span><span class="cmt">// Calcul de la largeur du titre et positionnement
    </span>$w <span class="kw">= </span>$<span class="kw">this-&gt;</span>GetStringWidth<span class="kw">(</span>$titre<span class="kw">)+</span>6<span class="kw">;
    </span>$<span class="kw">this-&gt;</span>SetX<span class="kw">((</span>210<span class="kw">-</span>$w<span class="kw">)/</span>2<span class="kw">);
    </span><span class="cmt">// Couleurs du cadre, du fond et du texte
    </span>$<span class="kw">this-&gt;</span>SetDrawColor<span class="kw">(</span>0<span class="kw">,</span>80<span class="kw">,</span>180<span class="kw">);
    </span>$<span class="kw">this-&gt;</span>SetFillColor<span class="kw">(</span>230<span class="kw">,</span>230<span class="kw">,</span>0<span class="kw">);
    </span>$<span class="kw">this-&gt;</span>SetTextColor<span class="kw">(</span>220<span class="kw">,</span>50<span class="kw">,</span>50<span class="kw">);
    </span><span class="cmt">// Epaisseur du cadre (1 mm)
    </span>$<span class="kw">this-&gt;</span>SetLineWidth<span class="kw">(</span>1<span class="kw">);
    </span><span class="cmt">// Titre
    </span>$<span class="kw">this-&gt;</span>Cell<span class="kw">(</span>$w<span class="kw">,</span>9<span class="kw">,</span>$titre<span class="kw">,</span>1<span class="kw">,</span>1<span class="kw">,</span><span class="str">'C'</span><span class="kw">,</span>true<span class="kw">);
    </span><span class="cmt">// Saut de ligne
    </span>$<span class="kw">this-&gt;</span>Ln<span class="kw">(</span>10<span class="kw">);
}

function </span>Footer<span class="kw">()
{
    </span><span class="cmt">// Positionnement � 1,5 cm du bas
    </span>$<span class="kw">this-&gt;</span>SetY<span class="kw">(-</span>15<span class="kw">);
    </span><span class="cmt">// Arial italique 8
    </span>$<span class="kw">this-&gt;</span>SetFont<span class="kw">(</span><span class="str">'Arial'</span><span class="kw">,</span><span class="str">'I'</span><span class="kw">,</span>8<span class="kw">);
    </span><span class="cmt">// Couleur du texte en gris
    </span>$<span class="kw">this-&gt;</span>SetTextColor<span class="kw">(</span>128<span class="kw">);
    </span><span class="cmt">// Num�ro de page
    </span>$<span class="kw">this-&gt;</span>Cell<span class="kw">(</span>0<span class="kw">,</span>10<span class="kw">,</span><span class="str">'Page '</span><span class="kw">.</span>$<span class="kw">this-&gt;</span>PageNo<span class="kw">(),</span>0<span class="kw">,</span>0<span class="kw">,</span><span class="str">'C'</span><span class="kw">);
}

function </span>TitreChapitre<span class="kw">(</span>$num<span class="kw">, </span>$libelle<span class="kw">)
{
    </span><span class="cmt">// Arial 12
    </span>$<span class="kw">this-&gt;</span>SetFont<span class="kw">(</span><span class="str">'Arial'</span><span class="kw">,</span><span class="str">''</span><span class="kw">,</span>12<span class="kw">);
    </span><span class="cmt">// Couleur de fond
    </span>$<span class="kw">this-&gt;</span>SetFillColor<span class="kw">(</span>200<span class="kw">,</span>220<span class="kw">,</span>255<span class="kw">);
    </span><span class="cmt">// Titre
    </span>$<span class="kw">this-&gt;</span>Cell<span class="kw">(</span>0<span class="kw">,</span>6<span class="kw">,</span><span class="str">"Chapitre </span>$num<span class="str"> : </span>$libelle<span class="str">"</span><span class="kw">,</span>0<span class="kw">,</span>1<span class="kw">,</span><span class="str">'L'</span><span class="kw">,</span>true<span class="kw">);
    </span><span class="cmt">// Saut de ligne
    </span>$<span class="kw">this-&gt;</span>Ln<span class="kw">(</span>4<span class="kw">);
}

function </span>CorpsChapitre<span class="kw">(</span>$fichier<span class="kw">)
{
    </span><span class="cmt">// Lecture du fichier texte
    </span>$txt <span class="kw">= </span>file_get_contents<span class="kw">(</span>$fichier<span class="kw">);
    </span><span class="cmt">// Times 12
    </span>$<span class="kw">this-&gt;</span>SetFont<span class="kw">(</span><span class="str">'Times'</span><span class="kw">,</span><span class="str">''</span><span class="kw">,</span>12<span class="kw">);
    </span><span class="cmt">// Sortie du texte justifi�
    </span>$<span class="kw">this-&gt;</span>MultiCell<span class="kw">(</span>0<span class="kw">,</span>5<span class="kw">,</span>$txt<span class="kw">);
    </span><span class="cmt">// Saut de ligne
    </span>$<span class="kw">this-&gt;</span>Ln<span class="kw">();
    </span><span class="cmt">// Mention en italique
    </span>$<span class="kw">this-&gt;</span>SetFont<span class="kw">(</span><span class="str">''</span><span class="kw">,</span><span class="str">'I'</span><span class="kw">);
    </span>$<span class="kw">this-&gt;</span>Cell<span class="kw">(</span>0<span class="kw">,</span>5<span class="kw">,</span><span class="str">"(fin de l'extrait)"</span><span class="kw">);
}

function </span>AjouterChapitre<span class="kw">(</span>$num<span class="kw">, </span>$titre<span class="kw">, </span>$fichier<span class="kw">)
{
    </span>$<span class="kw">this-&gt;</span>AddPage<span class="kw">();
    </span>$<span class="kw">this-&gt;</span>TitreChapitre<span class="kw">(</span>$num<span class="kw">,</span>$titre<span class="kw">);
    </span>$<span class="kw">this-&gt;</span>CorpsChapitre<span class="kw">(</span>$fichier<span class="kw">);
}
}

</span>$pdf <span class="kw">= new </span>PDF<span class="kw">();
</span>$titre <span class="kw">= </span><span class="str">'Vingt mille lieues sous les mers'</span><span class="kw">;
</span>$pdf<span class="kw">-&gt;</span>SetTitle<span class="kw">(</span>$titre<span class="kw">);
</span>$pdf<span class="kw">-&gt;</span>SetAuthor<span class="kw">(</span><span class="str">'Jules Verne'</span><span class="kw">);
</span>$pdf<span class="kw">-&gt;</span>AjouterChapitre<span class="kw">(</span>1<span class="kw">,</span><span class="str">'UN �CUEIL FUYANT'</span><span class="kw">,</span><span class="str">'20k_c1.txt'</span><span class="kw">);
</span>$pdf<span class="kw">-&gt;</span>AjouterChapitre<span class="kw">(</span>2<span class="kw">,</span><span class="str">'LE POUR ET LE CONTRE'</span><span class="kw">,</span><span class="str">'20k_c2.txt'</span><span class="kw">);
</span>$pdf<span class="kw">-&gt;</span>Output<span class="kw">();
</span>?&gt;</code></pre>
</div>
<p class='demo'><a href='tuto3.php' target='_blank' class='demo'>[D�mo]</a></p>
La m�thode <a href='../doc/getstringwidth.htm'>GetStringWidth()</a> permet de d�terminer la longueur d'une cha�ne dans la police
courante, ce qui est utilis� ici pour calculer la largeur du cadre entourant le titre. Puis
les couleurs sont d�finies (via <a href='../doc/setdrawcolor.htm'>SetDrawColor()</a>, <a href='../doc/setfillcolor.htm'>SetFillColor()</a> et <a href='../doc/settextcolor.htm'>SetTextColor()</a>)
et l'�paisseur du trait positionn�e � 1 mm (contre 0,2 par d�faut) gr�ce � <a href='../doc/setlinewidth.htm'>SetLineWidth()</a>.
Il ne reste alors plus qu'� imprimer la cellule pour le titre (le dernier param�tre � 1 indique
que le fond doit �tre color�).
<br>
<br>
La m�thode permettant d'imprimer les paragraphes est <a href='../doc/multicell.htm'>MultiCell()</a>. A chaque fois qu'une
ligne arrive � l'extr�mit� droite de la cellule ou qu'un caract�re de retour-chariot est
rencontr�, un saut est effectu� et une nouvelle cellule automatiquement cr��e sous la
pr�c�dente. Le texte est justifi� par d�faut.
<br>
<br>
Deux propri�t�s du document sont renseign�es : le titre (<a href='../doc/settitle.htm'>SetTitle()</a>) et l'auteur
(<a href='../doc/setauthor.htm'>SetAuthor()</a>). Il y a plusieurs man�res d'acc�der aux propri�t�s dans Adobe Reader. La premi�re
consiste � ouvrir le document directement avec le lecteur, � aller dans le menu Fichier et �
choisir l'option Propri�t�s. La seconde, disponible �galement � partir du plug-in, consiste �
faire un clic droit et � choisir Propri�t�s du document. Enfin, on peut effectuer la combinaison
de touches Ctrl+D.
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