Imagick::averageImagesImagick::blackThresholdImage
(PECL imagick 2.0.0)
Imagick::blackThresholdImage — Forces all pixels below the threshold into black
Описание
Предупреждение
Към момента тази функция не е документирана; наличен е единствено списъкът с аргументите й.
Is like Imagick::thresholdImage() but forces all pixels below the threshold into black while leaving all pixels above the threshold unchanged.
Параметри
- threshold
-
The threshold below which everything turns black
Връщани стойности
Връща TRUE при успех.
Дневник на промените
| Версия | Описание |
|---|---|
| 2.1.0 | Now allows a string representing the color as a parameter. Previous versions allow only an ImagickPixel object. |
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