(PECL imagick 2.0.0)
ImagickDraw::line — Draws a line
$sx
   , float $sy
   , float $ex
   , float $ey
   )This function is currently not documented; only its argument list is available.
Draws a line on the image using the current stroke color, stroke opacity, and stroke width.
sxstarting x coordinate
systarting y coordinate
exending x coordinate
eyending y coordinate
No value is returned.
Example #1 ImagickDraw::line()
<?php
function line($strokeColor, $fillColor, $backgroundColor) {
    $draw = new \ImagickDraw();
    $draw->setStrokeColor($strokeColor);
    $draw->setFillColor($fillColor);
    $draw->setStrokeWidth(2);
    $draw->setFontSize(72);
    $draw->line(125, 70, 100, 50);
    $draw->line(350, 170, 100, 150);
    $imagick = new \Imagick();
    $imagick->newImage(500, 500, $backgroundColor);
    $imagick->setImageFormat("png");
    $imagick->drawImage($draw);
    header("Content-Type: image/png");
    echo $imagick->getImageBlob();
}
?>