一个控制图片的类 很多功能

在图片上加字


还可以控制显示字体颜色 图片字节大小 图片显示大小等等 很强大的一个东西
。。。。

<?  
if($_GET['image']){  
$image = $_GET['image'];  

if($_GET['type']=="jpg"){  
header("Content-type: image/jpeg");  
}elseif($_GET['type']=="gif"){  
header("Content-type: image/gif");  
}elseif($_GET['type']=="png"){  
header("Content-type: image/png");  
}else{  
if(substr($image, -3)=="jpg" || substr($image, -3)=="JPG"){header("Content-type: image/jpeg");}  
elseif(substr($image, -3)=="gif" || substr($image, -3)=="GIF"){header("Content-type: image/gif");}  
elseif(substr($image, -3)=="png" || substr($image, -3)=="PNG"){header("Content-type: image/png");}  
}  

if(substr($image, -3)=="jpg" || substr($image, -3)=="JPG"){$im = imagecreatefromjpeg($image);}  
elseif(substr($image, -3)=="gif" || substr($image, -3)=="GIF"){$im = imagecreatefromgif($image);}  
elseif(substr($image, -3)=="png" || substr($image, -3)=="PNG"){$im = imagecreatefrompng($image);}  

if($_GET['percent']){  
$x = round((imagesx($im)*$_GET['percent'])/100);  
$y = round((imagesy($im)*$_GET['percent'])/100);  
$yyy=0;  
$xxx=0;  
$imw = imagecreatetruecolor($x,$y);  
}elseif($_GET['w'] and $_GET['h']){  
$x = $_GET['w'];  
$y = $_GET['h'];  
$yyy=0;  
$xxx=0;  
$imw = imagecreatetruecolor($x,$y);  
}elseif($_GET['maxim_size']){  
if(imagesy($im)>=$_GET['maxim_size'] || imagesx($im)>=$_GET['maxim_size']){  
if(imagesy($im)>=imagesx($im)){  
$y = $_GET['maxim_size'];  
$x = ($y*imagesx($im))/imagesy($im);  
}else{  
$x = $_GET['maxim_size'];  
$y = ($x*imagesy($im))/imagesx($im);  
}  
}else{  
$x = imagesx($im);  
$y = imagesy($im);  
}  
$yyy=0;  
$xxx=0;  
$imw = imagecreatetruecolor($x,$y);  
}elseif($_GET['square']){  
if(imagesy($im)>=$_GET['square'] || imagesx($im)>=$_GET['square']){  
if(imagesy($im)>=imagesx($im)){  
$x = $_GET['square'];  
$y = ($x*imagesy($im))/imagesx($im);  
$yyy=-($y-$x)/2;  
$xxx=0;  
}else{  
$y = $_GET['square'];  
$x = ($y*imagesx($im))/imagesy($im);  
$xxx=-($x-$y)/2;  
$yyy=0;  
}  
}else{  
$x = imagesx($im);  
$y = imagesy($im);  
$yyy=0;  
$xxx=0;  
}  
$imw = imagecreatetruecolor($_GET['square'],$_GET['square']);  
}else{  
$x = imagesx($im);  
$y = imagesy($im);  
$yyy=0;  
$xxx=0;  
$imw = imagecreatetruecolor($x,$y);  
}  

imagecopyresampled($imw, $im, $xxx,$yyy,0,0,$x,$y,imagesx($im), imagesy($im));  

if($_GET['watermark_text']){  
if($_GET['watermark_color']){$watermark_color=$_GET['watermark_color'];  
}else{  
$watermark_color="000000";  
}  
$red=hexdec(substr($watermark_color,0,2));  
$green=hexdec(substr($watermark_color,2,2));  
$blue=hexdec(substr($watermark_color,4,2));  

$text_col = imagecolorallocate($imw, $red,$green,$blue);  
$font = "georgia.ttf"; //this font(georgia.ttf) heave to be in the same directory as this script  
$font_size = 12;  
$angle = 0;  
$box = imagettfbbox($font_size, $angle, $font, $_GET['watermark_text']);  
$x = 5;  
$y = 17;  
imagettftext($imw, $font_size, $angle, $x, $y, $text_col, $font, $_GET['watermark_text']);  

}  

if($_GET['type']=="jpg"){imagejpeg($imw);}  
elseif($_GET['type']=="gif"){imagegif($imw);}  
elseif($_GET['type']=="png"){imagepng($imw);}  
else{  
if(substr($image, -3)=="jpg" || substr($image, -3)=="JPG"){imagejpeg($imw);}  
elseif(substr($image, -3)=="gif" || substr($image, -3)=="GIF"){imagegif($imw);}  
elseif(substr($image, -3)=="png" || substr($image, -3)=="PNG"){imagepng($imw);}  
}  

imagedestroy($imw);  
}  
?>

@,@.