PHP Unconference Europe 2015

imagecharup

(PHP 4, PHP 5)

imagecharupDraw a character vertically

Description

bool imagecharup ( resource $image , int $font , int $x , int $y , string $c , int $color )

Draws the character c vertically at the specified coordinate on the given image.

Parameters

image

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

font

Can be 1, 2, 3, 4, 5 for built-in fonts in latin2 encoding (where higher numbers corresponding to larger fonts) or any of your own font identifiers registered with imageloadfont().

x

x-coordinate of the start.

y

y-coordinate of the start.

c

The character to draw.

color

A color identifier created with imagecolorallocate().

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 imagecharup() example

<?php

$im 
imagecreate(100100);

$string 'Note that the first letter is a N';

$bg imagecolorallocate($im255255255);
$black imagecolorallocate($im000);

// prints a black "Z" on a white background
imagecharup($im31010$string$black);

header('Content-type: image/png');
imagepng($im);

?>

The above example will output something similar to:

Output of example : imagecharup()

See Also

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User Contributed Notes 3 notes

up
-1
jansafar at volny dot cz
8 years ago
I'm using imagestringup() function to write text upwards.
up
-3
evolution at turkishboyz dot net
8 years ago
<?
$resim = imagecreatetruecolor(400,400);
$renk1 = imagecolorallocate($resim,222,222,222);
$renk2 = imagecolorallocate($resim,111,111,111);
$renk3 = imagecolorallocate($resim,123,123,123);
$yazi  = "Merhaba Dunyalilar";
$x     =strlen($yazi);
for($a=1;$a<=$x;$a++){
    imagecharup($resim,10,20,20*$a,$yazi,$renk2);
    $yazi = substr($yazi,1);
    }
imagejpeg($resim);
imagedestroy($resim);
?>
up
-3
php at corzoogle dot com
9 years ago
<?php
// incredibly, no one has added this.
// write a string of text vertically on an image..
// ;o)

$string = '(c) corz.org';
$font_size = 2;
$img = imagecreate(20,90);
$bg = imagecolorallocate($img,225,225,225);
$black = imagecolorallocate($img,0,0,0);

$len = strlen($string);
for (
$i=1; $i<=$len; $i++) {
   
imagecharup($img, $font_size, 5, imagesy($img)-($i*imagefontwidth($font_size)), $string, $black);
   
$string = substr($string,1);
}
header('Content-type: image/png');
imagepng($img);
imagedestroy($img); // dudes! don't forget this!
?>
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