colorFilter method
void
colorFilter({
- required ColorFilter colorFilter,
- required VoidCallback paint,
- Rect? bounds,
- LayerKey<
Layer> ? key,
Pushes a ColorFilterLayer to the compositing tree, calling paint
to
paint on top of the layer.
The bounds
argument defines the bounds in which the paint
should
paint, this is useful for debugging tools and does not affect rendering.
See also:
Implementation
void colorFilter({
required ColorFilter colorFilter,
required VoidCallback paint,
Rect? bounds,
LayerKey? key,
}) {
ColorFilterLayer layer;
if (key?.layer is ColorFilterLayer) {
layer = (key!.layer! as ColorFilterLayer)..colorFilter = colorFilter;
} else {
layer = ColorFilterLayer(colorFilter: colorFilter);
key?.layer = layer;
}
push(layer: layer, paint: paint, bounds: bounds);
}