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Imagick::matteFloodfillImage

(PECL imagick 2, PECL imagick 3)

Imagick::matteFloodfillImage — Changes the transparency value of a color

警告

此函數在 Imagick 3.4.4 中被 廢棄，強烈建議不要應用此函數。

說(shuō)明

public Imagick::matteFloodfillImage(
    float $alpha,
    float $fuzz,
    mixed $bordercolor,
    int $x,
    int $y
): bool

Changes the transparency value of any pixel that matches target and is an immediate neighbor. If the method FillToBorderMethod is specified, the transparency value is changed for any neighbor pixel that does not match the bordercolor member of image.

參數

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.

bordercolor

An ImagickPixel object or string representing the border color.

x

The starting x coordinate of the operation.

y

The starting y coordinate of the operation.

返回值

成功時(shí)返回 true。

錯誤／異常

錯誤時(shí)拋出 ImagickException。

更新日志

版本 說(shuō)明
PECL imagick 2.1.0 Now allows a string representing the color as the third parameter. Previous versions allow only an ImagickPixel object.

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