(PECL imagick 2.0.0)
Imagick::matteFloodfillImage — Changes the transparency value of a color
$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.
alphaThe level of transparency: 1.0 is fully opaque and 0.0 is fully transparent.
fuzzThe fuzz member of image defines how much tolerance is acceptable to consider two colors as the same.
bordercolorAn ImagickPixel object or string representing the border color.
xThe starting x coordinate of the operation.
yThe starting y coordinate of the operation.
成功时返回 TRUE。
错误时抛出 ImagickException。
| 版本 | 说明 |
|---|---|
| 2.1.0 | Now allows a string representing the color as the third parameter. Previous versions allow only an ImagickPixel object. |