imageloadfont
(PHP 4, PHP 5, PHP 7, PHP 8)
imageloadfont — Load a new font
Description
imageloadfont() loads a user-defined bitmap and returns its identifier.
Parameters
-
filename -
The font file format is currently binary and architecture dependent. This means you should generate the font files on the same type of CPU as the machine you are running PHP on.
Font file format byte position C data type description byte 0-3 int number of characters in the font byte 4-7 int value of first character in the font (often 32 for space) byte 8-11 int pixel width of each character byte 12-15 int pixel height of each character byte 16- char array with character data, one byte per pixel in each character, for a total of (nchars*width*height) bytes.
Return Values
Returns an GdFont instance, or false on failure.
Changelog
| Version | Description |
|---|---|
| 8.1.0 | Returns an GdFont instance now; previously, an int was returned. |
Examples
Example #1 imageloadfont() usage example
<?php
// Create a new image instance
$im = imagecreatetruecolor(50, 20);
$black = imagecolorallocate($im, 0, 0, 0);
$white = imagecolorallocate($im, 255, 255, 255);
// Make the background white
imagefilledrectangle($im, 0, 0, 49, 19, $white);
// Load the gd font and write 'Hello'
$font = imageloadfont('./04b.gdf');
imagestring($im, $font, 0, 0, 'Hello', $black);
// Output to browser
header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
?>
See Also
- imagefontwidth() - Get font width
- imagefontheight() - Get font height
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