Imagick
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Imagick::solarizeImage

(PECL imagick 2.0.0)

Imagick::solarizeImageApplies a solarizing effect to the image

说明

bool Imagick::solarizeImage ( int $threshold )

Applies a special effect to the image, similar to the effect achieved in a photo darkroom by selectively exposing areas of photo sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the solarization.

参数

threshold

返回值

成功时返回 TRUE


Imagick
PHP 手册