Change any pixel that matches color

# Imagick::paintOpaqueImage

(PECL imagick 2, PECL imagick 3)

Imagick::paintOpaqueImage — Change any pixel that matches color

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::paintOpaqueImage(
mixed `$target`,
mixed `$fill`,
float `$fuzz`,
int `$channel` = Imagick::CHANNEL_DEFAULT
): bool

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

### 参数

`target`

  Change this target color to the fill color within the image. An ImagickPixel object or a string representing the target color.

`fill`

  An ImagickPixel object or a string representing the fill color.

`fuzz`

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

`channel`

  Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Refer to this list of channel constants.

### 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 first and second parameter. Previous versions allow only an ImagickPixel object.

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