以下为引用的内容：
<?php
////$strimgsrc = file_get_contents("http://127.0.0.1/5307754.jpg");
////$imgsrc = imagecreatefromstring($strimgsrc);
$imgsrc = imagecreatefromjpeg("5307754.jpg");
$imgsrcw = imagesx($imgsrc);
$imgsrch = imagesy($imgsrc); PHP程序员站--PHP程序员之家
$width = 30;
$x1 = 2;
$x2 = $imgsrcw - $x1 - 20;
$y1 = ($imgsrch - $width) - 2;
$y2 = $y1 + $width; www phperz com
$steps = $x2 - $x1;
for($i = 0; $i < $steps; $i ++)
{
$alphax = round($i/($steps/127))+60;
if($alphax >= 128)
$alphax = 127;
$alpha = imagecolorallocatealpha($imgsrc, 255, 255, 255, $alphax);
imagefilledrectangle($imgsrc, ($i+$x1), $y1, ($i+$x1+1), $y2, $alpha);
} www~phperz~.com
header('content-type: image/jpeg'); www phperz com
imagejpeg($imgsrc);
imagedestroy($imgsrc);
?> PHP程序员站--PHP程序员之家
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