flutter::OpacityEntry Class Reference

Inherits flutter::LayerStateStack::StateEntry.

Public Member Functions
	OpacityEntry (const DlRect &bounds, DlScalar opacity, const LayerStateStack::RenderingAttributes &prev)
void	apply (LayerStateStack *stack) const override
void	restore (LayerStateStack *stack) const override
void	update_mutators (MutatorsStack *mutators_stack) const override

Detailed Description

Definition at line 246 of file layer_state_stack.cc.

Constructor & Destructor Documentation

OpacityEntry()

flutter::OpacityEntry::OpacityEntry ( const DlRect &  bounds, DlScalar  opacity, const LayerStateStack::RenderingAttributes &  prev  )

inline

Definition at line 248 of file layer_state_stack.cc.

      : bounds_(bounds),
        opacity_(opacity),
        old_opacity_(prev.opacity),
        old_bounds_(prev.save_layer_bounds) {}

Member Function Documentation

apply()

void flutter::OpacityEntry::apply ( LayerStateStack *  stack ) const

inlineoverride

Definition at line 256 of file layer_state_stack.cc.

                                                    {
    stack->outstanding_.save_layer_bounds = bounds_;
    stack->outstanding_.opacity *= opacity_;
  }

restore()

void flutter::OpacityEntry::restore ( LayerStateStack *  stack ) const

inlineoverride

Definition at line 260 of file layer_state_stack.cc.

                                                      {
    stack->outstanding_.save_layer_bounds = old_bounds_;
    stack->outstanding_.opacity = old_opacity_;
  }

update_mutators()

void flutter::OpacityEntry::update_mutators ( MutatorsStack *  mutators_stack ) const

inlineoverride

Definition at line 264 of file layer_state_stack.cc.

                                                                     {
    mutators_stack->PushOpacity(DlColor::toAlpha(opacity_));
  }

References flutter::MutatorsStack::PushOpacity(), and flutter::DlColor::toAlpha().

---

The documentation for this class was generated from the following file:

• flow/layers/layer_state_stack.cc