php代码
";
if($SetW-$nw == 1){$nw = $SetW;}
if($SetH-$nh == 1){$nh = $SetH;}
echo "+修正1像素： w$nw,h$nh
";
//补宽
if($SetW-$nw > 0){
$nh = $nh +(($nh/$nw) * ($SetW-$nw));
echo "*需补宽".($SetW-$nw).",陪补高".(($nh/$nw) * ($SetW-$nw))."
";
$nw = $SetW;
}
//补高
if($SetH-$nh > 0){
$nw = $nw + (($nw/$nh) * ($SetH-$nh));
echo "*需补高".($SetH-$nh).",陪补宽". (($nw/$nh) * ($SetH-$nh)) ."
";
$nh = $SetH;
}
$nw = intval($nw);
$nh = intval($nh);
echo "+修正大小：w$nw,h$nh
";
$px = ($SetW - $nw)/2;
$py = ($SetH - $nh)/2;
echo "窗口大小：w$SetW,h$SetH
";
echo "+偏移修正：x$px,y$py
";
$NewPhoto=imagecreatetruecolor($SetW,$SetH);
imagecopyresized($NewPhoto,$ThisPhoto,$px,$py,0,0,$nw,$nh,$width,$height);
ImageJpeg ($NewPhoto,$SaveTo);
return true;
}
thumbs('a.jpg','newa.jpg',150,70);
?> 
