Changes any pixel that matches color with the color defined by fill

# Imagick::paintTransparentImage

(PECL imagick 2, PECL imagick 3)

Imagick::paintTransparentImage — Changes any pixel that matches color with the color defined by fill

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 function Imagick::paintTransparentImage(mixed `$target`, float `$alpha`, float `$fuzz`): bool

Changes any pixel that matches color with the color defined by fill.

### 参数

`target`

  Change this target color to specified opacity value within the image.

`alpha`

  The level of transparency: 1.0 is fully opaque and 0.0 is fully transparent.

`fuzz`

  The fuzz member of image defines how much tolerance is acceptable to consider two colors as the same.

### 返回值

成功时返回 `true`。

### 错误／异常

错误时抛出 ImagickException。

### 更新日志

版本 | 说明
--- | ---
PECL imagick 2.1.0 | Now allows a string representing the color as the first parameter. Previous versions allow only an ImagickPixel object.

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