Analyzes the colors within a reference image

# Imagick::quantizeImage

(PECL imagick 2, PECL imagick 3)

Imagick::quantizeImage — Analyzes the colors within a reference image

### 说明

public function Imagick::quantizeImage(
int `$numberColors`,
int `$colorspace`,
int `$treedepth`,
bool `$dither`,
bool `$measureError`
): bool

### 参数

`numberColors`

`colorspace`

`treedepth`

`dither`

`measureError`

### 返回值

成功时返回 `true`。

### 错误／异常

错误时抛出 ImagickException。

### 示例

示例 #1 Imagick::quantizeImage()

    <?php
    function quantizeImage($imagePath, $numberColors, $colorSpace, $treeDepth, $dither) {
        $imagick = new \Imagick(realpath($imagePath));
        $imagick->quantizeImage($numberColors, $colorSpace, $treeDepth, $dither, false);
        $imagick->setImageFormat('png');
        header("Content-Type: image/png");
        echo $imagick->getImageBlob();
    }

    ?>

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