imageftbbox

imageftbbox

Give the bounding box of a text using fonts via freetype2

 **imageftbbox** float $size float $angle string $font_filename string $string array $options

This function calculates and returns the bounding box in pixels for a FreeType text.

Opmerking: > Prior to PHP 8.0.0, was an extended variant of which additionally supported the . As of PHP 8.0.0, is an alias of . imageftbbox``imagettfbbox``options``imagettfbbox``imageftbbox

sizegd.font.size

angle Angle in degrees in which will be measured. string

font_filenameThe name of the TrueType font file (can be a URL). Depending on which version of the GD library that PHP is using, it may attempt to search for files that do not begin with a leading '/' by appending '.ttf' to the filename and searching along a library-defined font path.

stringThe string to be measured.

options

returns an array with 8

elements representing four points making the bounding box of the text:

imageftbbox

The points are relative to the regardless of the , so "upper left" means in the top left-hand corner seeing the text horizontally. textangle

On failure, false is returned.

Voorbeeld: example

<?php
// Create a 300x150 image
$im = imagecreatetruecolor(300, 150);
$black = imagecolorallocate($im, 0, 0, 0);
$white = imagecolorallocate($im, 255, 255, 255);

// Set the background to be white
imagefilledrectangle($im, 0, 0, 299, 299, $white);

// Path to our font file
$font = './arial.ttf';

// First we create our bounding box
$bbox = imageftbbox(10, 0, $font, 'The PHP Documentation Group');

// This is our cordinates for X and Y
$x = $bbox[0] + (imagesx($im) / 2) - ($bbox[4] / 2) - 5;
$y = $bbox[1] + (imagesy($im) / 2) - ($bbox[5] / 2) - 5;

imagefttext($im, 10, 0, $x, $y, $black, $font, 'The PHP Documentation Group');

// Output to browser
header('Content-Type: image/png');

imagepng($im);
?>

imagefttext``imagettfbbox