Adjusts the current affine transformation matrix with the specified affine transformation matrix.
Adjusts the current affine transformation matrix with the specified affine transformation matrix.
sx - The amount to scale the drawing in the x direction.
sy - The amount to scale the drawing in the y direction.
rx - The amount to rotate the drawing for each unit in the x direction.
ry - The amount to rotate the drawing for each unit in the y direction.
tx - The amount to translate the drawing in the x direction.
ty - The amount to translate the drawing in the y direction.
Background color
 
Stroke color
 
Fill color
 
Adjusts the current affine transformation matrix with the specified affine transformation matrix.
Adjusts the current affine transformation matrix with the specified affine transformation matrix.
sx - The amount to scale the drawing in the x direction.
sy - The amount to scale the drawing in the y direction.
rx - The amount to rotate the drawing for each unit in the x direction.
ry - The amount to rotate the drawing for each unit in the y direction.
tx - The amount to translate the drawing in the x direction.
ty - The amount to translate the drawing in the y direction.
Parameters
affinearrayAffine matrix parameters
function affine($strokeColor, $fillColor, $backgroundColor)
{
    $draw = new \ImagickDraw();

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

    $draw->setStrokeWidth(2);

    $PI = 3.141592653589794;
    $angle = 60 * $PI / 360;

    //Scale the drawing co-ordinates.
    $affineScale = array("sx" => 1.75, "sy" => 1.75, "rx" => 0, "ry" => 0, "tx" => 0, "ty" => 0);

    //Shear the drawing co-ordinates.
    $affineShear = array("sx" => 1, "sy" => 1, "rx" => sin($angle), "ry" => -sin($angle), "tx" => 0, "ty" => 0);

    //Rotate the drawing co-ordinates. The shear affine matrix
    //produces incorrectly scaled drawings.
    $affineRotate = array("sx" => cos($angle), "sy" => cos($angle), "rx" => sin($angle), "ry" => -sin($angle), "tx" => 0, "ty" => 0,);

    //Translate (offset) the drawing
    $affineTranslate = array("sx" => 1, "sy" => 1, "rx" => 0, "ry" => 0, "tx" => 30, "ty" => 30);

    //The identiy affine matrix
    $affineIdentity = array("sx" => 1, "sy" => 1, "rx" => 0, "ry" => 0, "tx" => 0, "ty" => 0);

    $examples = [$affineScale, $affineShear, $affineRotate, $affineTranslate, $affineIdentity,];

    $count = 0;

    foreach ($examples as $example) {
        $draw->push();
        $draw->translate(($count % 2) * 250, intval($count / 2) * 250);
        $draw->translate(100, 100);
        $draw->affine($example);
        $draw->rectangle(-50, -50, 50, 50);
        $draw->pop();
        $count++;
    }

    //Create an image object which the draw commands can be rendered into
    $image = new \Imagick();
    $image->newImage(500, 750, $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();
}