imageantialias · Image · PHP

Should antialias functions be used or not

Syntax

imageantialias(
    GdImage $image,
    bool $enable
): bool

Parameters

image

A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().

enable

Whether to enable antialiasing or not.

Return

Returns true on success or false on failure.

Examples

1 · return

<?

$width = 100;
$height = 100;
$image = imagecreate($width, $height);

$enable = true;

$return = imageantialias($image, $enable);
    
var_export($return);

?>

true

2 · base64 · enable · false

<?

$width = 100;
$height = 100;
$image = imagecreatetruecolor($width, $height);

$enable = false;
imageantialias($image, $enable);

$red = 255;
$green = 255;
$blue = 255;
$color = imagecolorallocate($image, $red, $green, $blue);

$x1 = 0;
$y1 = 25;
$x2 = 100;
$y2 = 75;
imageline($image, $x1, $y1, $x2, $y2, $color);

ob_start();

    imagepng($image);

$output = ob_get_clean();

echo '<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,' . base64_encode($output) . '">
</body>
</html>';

?>

<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAlklEQVR4nO3QQQnAABDEwPNvemuheZXCjIKQOwAAAAAAAADe2/Z1wq9ss6yxLLMssyyzLLMssyyzLLMssyyzLLMssyyzLLMssyyzLLMssyyzLLMssyyzLLMssyyzLLMssyyzLLMssyyzLLMssyyzLLMssyyzLLMssyyzLLMssyyzLLMssyyzLLMssyzzCwAAAAAAALi7B5aGKuS9neP6AAAAAElFTkSuQmCC">
</body>
</html>

3 · base64 · enable · true

<?

$width = 100;
$height = 100;
$image = imagecreatetruecolor($width, $height);

$enable = true;
imageantialias($image, $enable);

$red = 255;
$green = 255;
$blue = 255;
$color = imagecolorallocate($image, $red, $green, $blue);

$x1 = 0;
$y1 = 25;
$x2 = 100;
$y2 = 75;
imageline($image, $x1, $y1, $x2, $y2, $color);

ob_start();

    imagepng($image);

$output = ob_get_clean();

echo '<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,' . base64_encode($output) . '">
</body>
</html>';

?>

<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,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">
</body>
</html>