Optional
source: { Optional
Readonly
_type?: "ContrastFilter"Optional
contrast?: numberContrast adjustment value in the range from -1 to 254 (inclusively). Negative values will decrease the contrast, positive values will increase it. Default is 0.0
Readonly
_typeContrast adjustment value in the range from -1 to 254 (inclusively). Negative values will decrease the contrast, positive values will increase it. Default is 0.0
Contrast adjustment filter.