А можно классом воспользоваться....
| Код |
<?
class ImaSize {
var $image = 0;
function ImaSize($img='', $typ='') {
if($this->image) @ImageDestroy($this->image);
if($img!='') {
$typ = strtolower($typ);
if(($typ == 'string') || (!@file_exists($img))) $this->loadFromString($img);
else $this->loadFromFile($img, $typ);
}
}
function loadFromString($strng) {
if($this->image) @ImageDestroy($this->image);
return ($this->image = @ImageCreateFromString($strng));
}
function loadFromFile($fn, $typ='') {
if($this->image) @ImageDestroy($this->image);
if(!@file_exists($fn)) $this->image = 0; else {
if(($typ=='jpeg')||($typ=='jpg')) $this->image = @ImageCreateFromJPEG($fn);
elseif($typ=='png') $this->image = @ImageCreateFromPNG($fn);
elseif($typ=='gif') $this->image = @ImageCreateFromGIF($fn);
if(!$this->image) {
$funcar = @get_extension_funcs('gd');
foreach($funcar as $func) {
if($this->image) break;
$func = strtolower($func);
if(substr($func,0,15) != 'imagecreatefrom') continue;
if(substr($func,15) == 'string') continue;
$this->image = @$func($fn);
}
}
}
return $this->image;
}
function sizeTo($x, $y, $clr=0) {
if((!$this->image) || (($x*$y) < 1)) return 0;
if(sizeof($clr) != 3) $clr = array(255,255,255);
$img = @ImageCreate($x, $y);
$bg = @ImageColorAllocate($img, $clr[0], $clr[1], $clr[2]);
$sx = @ImageSX($this->image); $sy = @ImageSY($this->image);
$dw = (float)($x / $sx); $dh = (float)($y / $sy);
$dd = ($dw < $dh) ? $dw : $dh;
@ImageCopyResized($img, $this->image,
(int)(($x-($sx*$dd))/2), (int)(($y-($sy*$dd))/2),
0, 0,
(int)($sx*$dd)+1, (int)($sy*$dd)+1,
$sx, $sy);
@ImageDestroy($this->image);
return ($this->image = $img);
}
};
?>
|
|
