php给GIF缩略图实例代码-PHP源码

try
{
/*** Read in the animated gif ***/
$animation = new Imagick("animation.gif");

/*** Loop through the frames ***/
foreach ($animation as $frame)
{
/*** Thumbnail each frame ***/
$frame->thumbnailImage(100, 100);

/*** Set virtual canvas size to 100x100 ***/
$frame->setImagePage(100, 100, 0, 0);
}

/*** Write image to disk. Notice writeImages instead of writeImage ***/
$animation->writeImages("animation_thumbnail.gif");

echo "Images written";
}
catch(Exception $e)
{
echo $e->getMessage();
}

?>