Contrast Effect
etro.effect.Contrast
changes the contrast of an image by multiplying the RGB channels by a constant.
tip
This effect is GPU-accelerated (see etro.effect.Shader
).
Usage
const effect = new etro.effect.Contrast({
contrast: 2, // default: 1
});
Inheritance
etro.effect.Contrast
inherits from etro.effect.Shader
.
Options
contrast
tip
This is a Dynamic Property.
The contrast multiplier. Defaults to 1.