Imagick::sepiaToneImage()
(PECL imagick 2.0.0)
Sepia tones an image
说明
Imagick::sepiaToneImage(float $threshold): bool
Applies a special effect to the image, similar to the effect achieved in a photo darkroom by sepia toning. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the sepia toning. A threshold of 80 is a good starting point for a reasonable tone.
参数
- $threshold
返回值
成功时返回TRUE
。
错误/异常
错误时抛出 ImagickException。
范例
Example #1 Imagick::sepiaToneImage()
<?php function sepiaToneImage($imagePath, $sepia) { $imagick = new \Imagick(realpath($imagePath)); $imagick->sepiaToneImage($sepia); header("Content-Type: image/jpg"); echo $imagick->getImageBlob(); } ?>