# Imagick::solarizeImage

(PECL imagick 2, PECL imagick 3)

Imagick::solarizeImage — Applies a solarizing effect to the image

### 说明

public Imagick::solarizeImage(int `$threshold`): bool

Applies a special effect to the image, similar to the effect achieved in a photo darkroom by selectively exposing areas of photo sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the solarization.

### 参数

`threshold`

### 返回值

成功时返回 `true`。

### 示例

示例 #1 Imagick::solarizeImage()

`<?php
function solarizeImage($imagePath, $solarizeThreshold) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->solarizeImage($solarizeThreshold * \Imagick::getQuantum());
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>`
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