doc-fr/reference/imagick/imagickdraw/arc.xml

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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="imagickdraw.arc">
 <refnamediv>
  <refname>ImagickDraw::arc</refname>
  <refpurpose>Dessine un arc</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <modifier>public</modifier> <type>bool</type><methodname>ImagickDraw::arc</methodname>
   <methodparam><type>float</type><parameter>sx</parameter></methodparam>
   <methodparam><type>float</type><parameter>sy</parameter></methodparam>
   <methodparam><type>float</type><parameter>ex</parameter></methodparam>
   <methodparam><type>float</type><parameter>ey</parameter></methodparam>
   <methodparam><type>float</type><parameter>sd</parameter></methodparam>
   <methodparam><type>float</type><parameter>ed</parameter></methodparam>
  </methodsynopsis>
  &warn.undocumented.func;
  <para>
   Dessine un arc, placé à l'intérieur d'un rectangle.
  </para>
 </refsect1>
 
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>sx</parameter></term>
     <listitem>
      <para>
       Abscisse du point de début d'arc dans le rectangle d'encadrement
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>sy</parameter></term>
     <listitem>
      <para>
       Ordonnée du point de début d'arc dans le rectangle d'encadrement
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>ex</parameter></term>
     <listitem>
      <para>
       Abscisse du point de fin d'arc dans le rectangle d'encadrement
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>ey</parameter></term>
     <listitem>
      <para>
       Ordonnée du point de fin d'arc dans le rectangle d'encadrement
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>sd</parameter></term>
     <listitem>
      <para>
       Degré de rotation initial
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>ed</parameter></term>
     <listitem>
      <para>
       Degré de rotation final
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
  
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.void;
  </para>
 </refsect1>
 
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Exemple avec <function>ImagickDraw::arc</function></title>
    <programlisting role="php">
<![CDATA[
<?php
function arc($strokeColor, $fillColor, $backgroundColor, $startX, $startY, $endX, $endY, $startAngle, $endAngle) {

    //Create a ImagickDraw object to draw into.
    $draw = new \ImagickDraw();
    $draw->setStrokeWidth(1);
    $draw->setStrokeColor($strokeColor);
    $draw->setFillColor($fillColor);
    $draw->setStrokeWidth(2);

    $draw->arc($startX, $startY, $endX, $endY, $startAngle, $endAngle);

    //Create an image object which the draw commands can be rendered into
    $image = new \Imagick();
    $image->newImage(IMAGE_WIDTH, IMAGE_HEIGHT, $backgroundColor);
    $image->setImageFormat("png");

    //Render the draw commands in the ImagickDraw object 
    //into the image.
    $image->drawImage($draw);

    //Send the image to the browser
    header("Content-Type: image/png");
    echo $image->getImageBlob();
}

?>
]]>
     </programlisting>
   </example>
  </para>
 </refsect1>
 
</refentry>

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