impeller::SolidBlurContents Class Reference

A base class for any accelerated single color blur Contents that lets the |Canvas::AttemptDrawBlur| call deliver the color after the contents has been constructed and the method has a chance to re-consider the actual color that will be used to render the shadow. More...

#include <solid_rrect_like_blur_contents.h>

Inheritance diagram for impeller::SolidBlurContents:

Public Member Functions
virtual void	SetColor (Color color)=0
Public Member Functions inherited from impeller::Contents
	Contents ()
virtual	~Contents ()
virtual bool	Render (const ContentContext &renderer, const Entity &entity, RenderPass &pass) const =0
virtual std::optional< Rect >	GetCoverage (const Entity &entity) const =0
	Get the area of the render pass that will be affected when this contents is rendered.
void	SetCoverageHint (std::optional< Rect > coverage_hint)
	Hint that specifies the coverage area of this Contents that will actually be used during rendering. This is for optimization purposes only and can not be relied on as a clip. May optionally affect the result of GetCoverage().
const std::optional< Rect > &	GetCoverageHint () const
virtual bool	IsOpaque (const Matrix &transform) const
	Whether this Contents only emits opaque source colors from the fragment stage. This value does not account for any entity properties (e.g. the blend mode), clips/visibility culling, or inherited opacity.
virtual std::optional< Snapshot >	RenderToSnapshot (const ContentContext &renderer, const Entity &entity, const SnapshotOptions &options) const
	Render this contents to a snapshot, respecting the entity's transform, path, clip depth, and blend mode. The result texture size is always the size of GetCoverage(entity).
std::optional< Size >	GetColorSourceSize () const
	Return the color source's intrinsic size, if available.
void	SetColorSourceSize (Size size)
virtual void	SetInheritedOpacity (Scalar opacity)
	Inherit the provided opacity.
virtual std::optional< Color >	AsBackgroundColor (const Entity &entity, ISize target_size) const
	Returns a color if this Contents will flood the given target_size with a color. This output color is the "Source" color that will be used for the Entity's blend operation.
virtual bool	ApplyColorFilter (const ColorFilterProc &color_filter_proc)
	If possible, applies a color filter to this contents inputs on the CPU.

Additional Inherited Members
Public Types inherited from impeller::Contents
using	ColorFilterProc = std::function< Color(Color)>
using	RenderProc = std::function< bool(const ContentContext &renderer, const Entity &entity, RenderPass &pass)>
using	CoverageProc = std::function< std::optional< Rect >(const Entity &entity)>
Static Public Member Functions inherited from impeller::Contents
static std::shared_ptr< Contents >	MakeAnonymous (RenderProc render_proc, CoverageProc coverage_proc)

Detailed Description

A base class for any accelerated single color blur Contents that lets the |Canvas::AttemptDrawBlur| call deliver the color after the contents has been constructed and the method has a chance to re-consider the actual color that will be used to render the shadow.

Definition at line 23 of file solid_rrect_like_blur_contents.h.

Member Function Documentation

SetColor()

virtual void impeller::SolidBlurContents::SetColor ( Color  color )

pure virtual

Implemented in impeller::ShadowVerticesContents, and impeller::SolidRRectLikeBlurContents.

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

• impeller/entity/contents/solid_rrect_like_blur_contents.h