PHP | ImagickDraw setStrokeAntialias() Function

The ImagickDraw::setStrokeAntialias() function is an inbuilt function in PHP which is used to set the current stroke antialias setting. Stroked outlines are antialiased (enabled) by default. Alias is just a noise or distortion in the stroke.

Syntax:

bool ImagickDraw::setStrokeAntialias( bool $stroke_antialias)

Parameters: This function accepts a single parameter $stroke_antialias which holds the antialias setting.

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

Below given programs illustrate the ImagickDraw::setStrokeAntialias() function in PHP:

Program 1:

<?php

// Create a new ImagickDraw object
$draw = new ImagickDraw();

// Disable stroke antialias
$draw->setStrokeAntialias(false);

// Get the stroke antialias
$strokeAntialias = $draw->getStrokeAntialias() ? 'true' : 'false';
echo $strokeAntilias;
?>

Output:

false

Program 2:

<?php

// Create a new imagick object
$imagick = new Imagick();

// Create a image on imagick object
$imagick->newImage(800, 250, 'yellow');

// Create a new ImagickDraw object
$draw = new ImagickDraw();

// Set the fill color
$draw->setFillColor('cyan');

// Set the width of stroke
$draw->setStrokeWidth(1);

// Set the color of stroke
$draw->setStrokeColor('green');

// Set the font size
$draw->setFontSize(70);

// Disable stroke antialias
$draw->setStrokeAntialias(false);

// Annotate a text
$draw->annotation(50, 200, 'GeeksforGeeks');

// Render the draw commands
$imagick->drawImage($draw);

// Show the output
$imagick->setImageFormat('png');
header("Content-Type: image/png");
echo $imagick->getImageBlob();
?>

Output:

Reference: https://www.php.net/manual/en/imagickdraw.setstrokeantialias.php