Php/docs/imagick.solarizeimage

• PHP Manual
• Imagick
• Applies a solarizing effect to the image

Imagick::solarizeImage

(PECL imagick 2, PECL imagick 3)

Imagick::solarizeImage — Applies a solarizing effect to the image

说明

public Imagick::solarizeImage ( int $threshold ) : bool

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。

范例

Example #1 Imagick::solarizeImage()

<?phpfunction solarizeImage($imagePath, $solarizeThreshold) {    $imagick = new \Imagick(realpath($imagePath));    $imagick->solarizeImage($solarizeThreshold * \Imagick::getQuantum());    header("Content-Type: image/jpg");    echo $imagick->getImageBlob();}?>