[ Version ( deprecated = true , deprecated_since = "3.2" , since = "2.10" ) ]
public bool threshold (HistogramChannel channel, double low_threshold, double high_threshold)
Warning: threshold is deprecated since 3.2.
Threshold the specified drawable.
Use filter "gimp:threshold" instead.
This procedures generates a threshold map of the specified drawable. All pixels between the values of 'low_threshold' and 'high_threshold', on the scale of 'channel' are replaced with white, and all other pixels with black.
| this |
The drawable. |
| channel |
The channel to base the threshold on. |
| low_threshold |
The low threshold value. |
| high_threshold |
The high threshold value. |
|
TRUE on success. |