ImagickPixel::setHSL
(No version information available, might be only in CVS)
ImagickPixel::setHSL — Sets the normalized HSL color
說明
bool ImagickPixel::setHSL
( float $hue
, float $saturation
, float $luminosity
)
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。
Sets the color described by the ImagickPixel object using normalized values for hue, saturation and luminosity.
參數
- hue
-
The normalized value for hue, described as a fractional arc (between 0 and 1) of the hue circle, where the zero value is red.
- saturation
-
The normalized value for saturation, with 1 as full saturation.
- luminosity
-
The normalized value for luminosity, on a scale from black at 0 to white at 1, with the full HS value at 0.5 luminosity.
Return值
Returns TRUE on success.