php-doc-en/reference/imagick/imagickdraw/pathcurvetoquadraticbezierabsolute.xml

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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="imagickdraw.pathcurvetoquadraticbezierabsolute">
 <refnamediv>
  <refname>ImagickDraw::pathCurveToQuadraticBezierAbsolute</refname>
  <refpurpose>Draws a quadratic Bezier curve</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>ImagickDraw::pathCurveToQuadraticBezierAbsolute</methodname>
   <methodparam><type>float</type><parameter>x1</parameter></methodparam>
   <methodparam><type>float</type><parameter>y1</parameter></methodparam>
   <methodparam><type>float</type><parameter>x</parameter></methodparam>
   <methodparam><type>float</type><parameter>y</parameter></methodparam>
  </methodsynopsis>
  &warn.undocumented.func;
  <para>
   Draws a quadratic Bezier curve from the current point to (x,y) using
   (x1,y1) as the control point using absolute coordinates. At the end of the
   command, the new current point becomes the final (x,y) coordinate pair
   used in the polybezier.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>x1</parameter></term>
     <listitem>
      <para>
       x coordinate of the control point
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>y1</parameter></term>
     <listitem>
      <para>
       y coordinate of the  control point
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>x</parameter></term>
     <listitem>
      <para>
       x coordinate of the end point
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>y</parameter></term>
     <listitem>
      <para>
       y coordinate of the end point
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>

 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.void;
  </para>
 </refsect1>



 <refsect1 role="examples">
  &reftitle.examples;
  <para>
    <example>
      <title> <function>ImagickDraw::pathCurveToQuadraticBezierAbsolute</function></title>
      <programlisting role="php">
      <![CDATA[
<?php
function pathCurveToQuadraticBezierAbsolute($strokeColor, $fillColor, $backgroundColor) {

    $draw = new \ImagickDraw();

    $draw->setStrokeOpacity(1);
    $draw->setStrokeColor($strokeColor);
    $draw->setFillColor($fillColor);

    $draw->setStrokeWidth(2);
    $draw->setFontSize(72);

    $draw->pathStart();
    $draw->pathMoveToAbsolute(50,250);

    // This specifies a quadratic bezier curve with the current position as the start
    // point, the control point is the first two params, and the end point is the last two params.
    $draw->pathCurveToQuadraticBezierAbsolute(
        150,50, 
        250,250
    );

    // This specifies a quadratic bezier curve with the current position as the start
    // point, the control point is mirrored from the previous curves control point
    // and the end point is defined by the x, y values.
    $draw->pathCurveToQuadraticBezierSmoothAbsolute(
        450,250
    );

    // This specifies a quadratic bezier curve with the current position as the start
    // point, the control point is mirrored from the previous curves control point
    // and the end point is defined relative from the current position by the x, y values.
    $draw->pathCurveToQuadraticBezierSmoothRelative(
        200,-100
    );

    $draw->pathFinish();

    $imagick = new \Imagick();
    $imagick->newImage(700, 500, $backgroundColor);
    $imagick->setImageFormat("png");

    $imagick->drawImage($draw);

    header("Content-Type: image/png");
    echo $imagick->getImageBlob();

}

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

</refentry>

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