PHP: Load a new font

Description

int imageloadfont ( string $file )

imageloadfont() loads a user-defined bitmap and returns its identifier.

Parameters

file

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

The font identifier which is always bigger than 5 to avoid conflicts with built-in fonts or FALSE on errors.

Examples

Example #1 Using imageloadfont


<?php

header("Content-type: image/png");

$im = imagecreatetruecolor(50, 20);

$black = imagecolorallocate($im, 0, 0, 0);

$white = imagecolorallocate($im, 255, 255, 255);

imagefilledrectangle($im, 0, 0, 49, 19, $white);

$font = imageloadfont("04b.gdf");

imagestring($im, $font, 0, 0, "Hello", $black);

imagepng($im);

?>

imageloadfont

Description

Parameters

Return Values

Examples

See Also