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Imagick::setSamplingFactors

(PECL imagick 2.0.0)

Imagick::setSamplingFactors — Sets the image sampling factors

Description

代码语言:javascript
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bool Imagick::setSamplingFactors ( array $factors )

Sets the image sampling factors.

Parameters

factors

Return Values

Returns TRUE on success.

Examples

Example #1 Imagick::setSamplingFactors()

代码语言:javascript
复制
<?php
function?setSamplingFactors($imagePath)?{

????$imagePath?=?"../imagick/images/FineDetail.png";
????$imagick?=?new?\Imagick(realpath($imagePath));
????$imagick->setImageFormat('jpg');
????$imagick->setSamplingFactors(array('2x2',?'1x1',?'1x1'));

????$compressed?=?$imagick->getImageBlob();

????
????$reopen?=?new?\Imagick();
????$reopen->readImageBlob($compressed);

????$reopen->resizeImage(
????????$reopen->getImageWidth()?*?4,
????????$reopen->getImageHeight()?*?4,
????????\Imagick::FILTER_POINT,
????????1
????);
????
????header("Content-Type:?image/jpg");
????echo?$reopen->getImageBlob();
}

?>

← Imagick::setResourceLimit

Imagick::setSize →

代码语言:txt
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 ? 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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