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Imagick::setImageIndex

(PECL imagick 2, PECL imagick 3)

Imagick::setImageIndexSet the iterator position

警告

此函数在 Imagick 3.4.4 中被 废弃,强烈建议不要应用此函数。

说明

public Imagick::setImageIndex(int $index): bool

Set the iterator to the position in the image list specified with the index parameter.

This method has been deprecated. See Imagick::setIteratorIndex().

参数

index

The position to set the iterator to

返回值

成功时返回 true

错误/异常

错误时抛出 ImagickException。

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User Contributed Notes 2 notes

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2
Rob Hidalgo
11 years ago
When reading a PDF from an ImageBlob, and you want to set the page to be used, this is the function to use.
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-1
maulik_Vr at yahoo dot co dot in
10 years ago
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();
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