Grafica istantanea (Esempio per PHP+GD+FreeType)

Font »AnkeCalligraph« a cura di Anke Arnold

Codice sorgente

<? include("langsettings.php"); ?>
<?
//    Copyright (C) 2002/2003 Kai Seidler, oswald@apachefriends.org
//
//    This program is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    This program is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with this program; if not, write to the Free Software
//    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

$text=urlencode(@$_REQUEST['text']);
        if($text=="") $text="ceci n est pas un ami d apache";
        if(@$_REQUEST['img']!=1)
        {
?>
<html>
    <head>
        <meta name="author" content="Kai Oswald Seidler">
        <link href="xampp.css" rel="stylesheet" type="text/css">
        <title></title>
    </head>

<img width="520" height="320" src="iart.php?img=1&text=<?=urlencode($text)?>" alt=""><p class="small">
        <?=$TEXT['iart-text1']?><p>
        <form name="ff" action="iart.php" method="get">
            <input type="text" name="text" value="<?php echo htmlentities($text); ?>" size="30">
            <input type="submit" value="<?=$TEXT['iart-ok']?>">
        </form>
        <p>
        <?php include("showcode.php"); ?>
    </body>
</html>
<?
	exit;
	}

$fontfile="./AnkeCalligraph.TTF";

$size=9;
	$h=320;
	$w=520;

$im  =  ImageCreate ( $w,  $h );

$fill = ImageColorAllocate ( $im ,  251,  121, 34 );    
	$light = ImageColorAllocate ( $im,  255,  255,  255 );    
	$corners = ImageColorAllocate ( $im ,  153 , 153 ,  102 );    
	$dark = ImageColorAllocate ( $im , 51, 51 , 0 );    
	$black = ImageColorAllocate ( $im , 0, 0 , 0 );

$colors[1] = ImageColorAllocate ( $im ,  255 , 255 ,  255 );    
	$colors[2] = ImageColorAllocate ( $im ,  255*0.95 , 255*0.95 ,  255*0.95 );    
	$colors[3] = ImageColorAllocate ( $im ,  255*0.9 , 255*0.9 ,  255*0.9 );    
	$colors[4] = ImageColorAllocate ( $im ,  255*0.85 , 255*0.85 ,  255*0.85 );

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

srand(time());
	$c=1;
	$anz=10;
	$step=4/$anz;
	for($i=0;$i<$anz;$i+=1)
	{
		$size=rand(7,70);
		$x=rand(-390,390);
		$y=rand(-100,400);
		$color=$colors[$c];
		$c+=$step;
		ImageTTFText ($im, $size, 0, $x, $y, $color, $fontfile, $text);
	}

ImageLine ( $im , 0 ,0, $w-1, 0, $light );    
	ImageLine ( $im , 0 ,0, 0, $h-2, $light );    
	ImageLine ( $im , $w-1,0, $w-1, $h, $dark );    
	ImageLine ( $im , 0 ,$h-1, $w-1, $h-1, $dark );    
	ImageSetPixel ( $im , 0 ,$h-1, $corners );    
	ImageSetPixel ( $im , $w-1 ,0, $corners );

ImagePNG ( $im );
?>