Imagick::sepiaToneImage
(No version information available, might be only in CVS)
Imagick::sepiaToneImage — Sepia tones an image
說明
bool Imagick::sepiaToneImage
( float $threshold
)
Warning
此函式目前沒有參考文件；只有引數列表。
Warning
本函式是實驗性的。這個函式的行為、名稱、和關於此函式的任何其他文件在未來PHP的發行中可能會在不通知的情況下改變。 使用此函式需自行承擔風險。
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.
參數
- threshold
-
Return值
Returns TRUE on success.