flutter::BackdropFilterEntry Class Reference

Inheritance diagram for flutter::BackdropFilterEntry:

Public Member Functions
	BackdropFilterEntry (const SkRect &bounds, const std::shared_ptr< const DlImageFilter > &filter, DlBlendMode blend_mode, const LayerStateStack::RenderingAttributes &prev)
	~BackdropFilterEntry () override=default
void	apply (LayerStateStack *stack) const override
void	reapply (LayerStateStack *stack) const override
Public Member Functions inherited from flutter::SaveLayerEntry
	SaveLayerEntry (const SkRect &bounds, DlBlendMode blend_mode, const LayerStateStack::RenderingAttributes &prev)
void	apply (LayerStateStack *stack) const override
void	restore (LayerStateStack *stack) const override

Additional Inherited Members
Protected Member Functions inherited from flutter::SaveLayerEntry
	FML_DISALLOW_COPY_ASSIGN_AND_MOVE (SaveLayerEntry)
Protected Attributes inherited from flutter::SaveLayerEntry
const SkRect	bounds_
const DlBlendMode	blend_mode_
const LayerStateStack::RenderingAttributes	old_attributes_

Detailed Description

Definition at line 345 of file layer_state_stack.cc.

Constructor & Destructor Documentation

BackdropFilterEntry()

flutter::BackdropFilterEntry::BackdropFilterEntry ( const SkRect &  bounds, const std::shared_ptr< const DlImageFilter > &  filter, DlBlendMode  blend_mode, const LayerStateStack::RenderingAttributes &  prev  )

inline

Definition at line 347 of file layer_state_stack.cc.

      : SaveLayerEntry(bounds, blend_mode, prev), filter_(filter) {}

~BackdropFilterEntry()

flutter::BackdropFilterEntry::~BackdropFilterEntry ( )

overridedefault

Member Function Documentation

apply()

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

inlineoverride

Definition at line 354 of file layer_state_stack.cc.

                                                    {
    stack->delegate_->saveLayer(bounds_, stack->outstanding_, blend_mode_,
                                filter_.get());
    stack->outstanding_ = {};
  }

reapply()

void flutter::BackdropFilterEntry::reapply ( LayerStateStack *  stack ) const

inlineoverride

Definition at line 360 of file layer_state_stack.cc.

                                                      {
    // On the reapply for subsequent overlay layers, we do not
    // want to reapply the backdrop filter, but we do need to
    // do a saveLayer to encapsulate the contents and match the
    // restore that will be forthcoming. Note that this is not
    // perfect if the BlendMode is not associative as we will be
    // compositing multiple parts of the content in batches.
    // Luckily the most common SrcOver is associative.
    SaveLayerEntry::apply(stack);
  }

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

• flow/layers/layer_state_stack.cc