Imagick::setOption
(PECL imagick 2.0.0)
Imagick::setOption — Set an option
Description
bool Imagick::setOption ( string $key , string $value )Associates one or more options with the wand.
Parameters
key value
Return Values
Returns TRUE on success.
Examples
Example #1 Attempt to reach '$extent' sizeImagick::setOption()
<?php
????function?renderJPG($extent)?{
????????$imagePath?=?$this->control->getImagePath();
????????$imagick?=?new?\Imagick(realpath($imagePath));
????????$imagick->setImageFormat('jpg');
????????$imagick->setOption('jpeg:extent',?$extent);
????????header("Content-Type:?image/jpg");
????????echo?$imagick->getImageBlob();
????}
?>Example #2 Imagick::setOption()
<?php
????function?renderPNG($imagePath,?$format)?{
????????$imagick?=?new?\Imagick(realpath($imagePath));
????????$imagick->setImageFormat('png');
????????$imagick->setOption('png:format',?$format);
????????header("Content-Type:?image/png");
????????echo?$imagick->getImageBlob();
????}
????
????//Save?as?64bit?PNG.
????renderPNG($imagePath,?'png64');
?>Example #3 Imagick::setOption()
<?php
????function?renderCustomBitDepthPNG()?{
????????$imagePath?=?$this->control->getImagePath();
????????$imagick?=?new?\Imagick(realpath($imagePath));
????????$imagick->setImageFormat('png');
????????
????????$imagick->setOption('png:bit-depth',?'16');
????????$imagick->setOption('png:color-type',?6);
????????header("Content-Type:?image/png");
????????$crash?=?true;
????????if?($crash)?{
????????????echo?$imagick->getImageBlob();
????????}
????????else?{
????????????$tempFilename?=?tempnam('./',?'imagick');
????????????$imagick->writeimage(realpath($tempFilename));
????????????echo?file_get_contents($tempFilename);
????????}
????}
?>← Imagick::setLastIterator
Imagick::setPage →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
本文档系腾讯云开发者社区成员共同维护，如有问题请联系 cloudcommunity@tencent.com
