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imageloadfont

(PHP 3, PHP 4, PHP 5)

imageloadfont -- Load a new font

Descrizione

int imageloadfont ( string file )

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

Elenco dei parametri

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.

Tabella 1. Font file format

byte positionC data typedescription
byte 0-3intnumber of characters in the font
byte 4-7int value of first character in the font (often 32 for space)
byte 8-11intpixel width of each character
byte 12-15intpixel 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.

Valori restituiti

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

Esempi

Esempio 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);
?>

Vedere anche:

imagefontwidth()
imagefontheight()



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