Imagick
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Imagick::tintImage

(PECL imagick 2.0.0)

Imagick::tintImageApplies a color vector to each pixel in the image

说明

bool Imagick::tintImage ( mixed $tint , mixed $opacity )

Applies a color vector to each pixel in the image. The length of the vector is 0 for black and white and at its maximum for the midtones. The vector weighing function is f(x)=(1-(4.0*((x-0.5)*(x-0.5)))).

参数

tint

opacity

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
2.1.0 Now allows a string representing the color as the first parameter and a float representing the opacity value as the second parameter. Previous versions allow only an ImagickPixel objects.


Imagick
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