ppt picture transparency php picture adding transparency gradient effect

Copy the code The code is as follows:

////$strimgsrc = file_get_contents("http://127.0.0.1/5307754.jpg");
////$imgsrc = imagecreatefromstring($strimgsrc);
$imgsrc = imagecreatefromjpeg("5307754.jpg");
$imgsrcw = imagesx($imgsrc);
$imgsrch = imagesy($imgsrc);
$width = 30;
$x1 = 2 ;
$x2 = $imgsrcw - $x1 - 20;
$y1 = ($imgsrch - $width) - 2;
$y2 = $y1 + $width;
$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 , $alpha);
}
header('content-type: image/jpeg');
imagejpeg($imgsrc);
imagedestroy($imgsrc);
?>

The above introduces the effect of adding transparency gradient on ppt picture transparency PHP picture, including the content of ppt picture transparency. I hope it will be helpful to friends who are interested in PHP tutorials.