PHP | ImagickDraw getTextKerning() Function

The ImagickDraw::getTextKerning() function is an inbuilt function in PHP which is used to get the text kerning used in image which is nothing but the spacing between letters.

Syntax:

float ImagickDraw::getTextKerning( void )

Parameters: This function doesn’t accept any parameter.

Return Value: This function returns an float value containing the text kerning.

Exceptions: This function throws ImagickException on error.

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

Program 1:

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

// Get the text kerning
$textKerning = $draw->getTextKerning();
echo $textKerning;
?>

Output:

0 // which is the default text kerning.

Program 2:

<?php

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

// Set the text Kerning
$draw->setTextKerning(5);

// Get the text Kerning
$textKerning = $draw->getTextKerning();
echo $textKerning;
?>

Output:

5

Program 3:

<?php

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

// Create a image on imagick object
$imagick->newImage(800, 250, '#eba09b');

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

// Set the font size
$draw->setFontSize(20);

// Annotate a text
$draw->annotation(50, 100,
              'The text kerning here is default.');

// Set the text kerning
$draw->setTextKerning(10);

// Annotate a text
$draw->annotation(50, 200, 'The text kerning here is '
                      . $draw->getTextKerning() . '.');

// 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.gettextkerning.php