srcOut constant
The source that does not overlap the destination replaces the destination.
Implementation
static const BlendMode srcOut = PorterDuff(
  PorterDuff.oneMinusDst,
  PorterDuff.zero,
);
The source that does not overlap the destination replaces the destination.
static const BlendMode srcOut = PorterDuff(
  PorterDuff.oneMinusDst,
  PorterDuff.zero,
);