(PECL imagick 2.0.0)
Imagick::setImageIndex — Set the iterator position
$index
) : boolSet the iterator to the position in the image list specified with the index parameter.
This method has been deprecated. See Imagick::setIteratorIndex().
indexThe position to set the iterator to
成功时返回 TRUE。
错误时抛出 ImagickException。
when you read pdf by getImageBlog and want to get the image or blob of a specific page, use this function as below.
$ims = new Imagick();
$ims->readImageBlob($pdfFileContent);
$ims->setImageIndex(5); //this will return 6th page of the pdf file
$image->setImageFormat('png');
//etc
$blob = $image->getImageBlob();
When reading a PDF from an ImageBlob, and you want to set the page to be used, this is the function to use.