ImageFilterDAGSlide Class Reference

Inheritance diagram for ImageFilterDAGSlide:

Public Member Functions
	ImageFilterDAGSlide ()
void	draw (SkCanvas *canvas) override
SkISize	getDimensions () const override
Public Member Functions inherited from Slide
virtual void	gpuTeardown ()
virtual bool	animate (double nanos)
virtual void	load (SkScalar winWidth, SkScalar winHeight)
virtual void	resize (SkScalar winWidth, SkScalar winHeight)
virtual void	unload ()
virtual bool	onChar (SkUnichar c)
virtual bool	onMouse (SkScalar x, SkScalar y, skui::InputState state, skui::ModifierKey modifiers)
virtual bool	onGetControls (SkMetaData *)
virtual void	onSetControls (const SkMetaData &)
const SkString &	getName ()
Public Member Functions inherited from SkRefCntBase
	SkRefCntBase ()
virtual	~SkRefCntBase ()
bool	unique () const
void	ref () const
void	unref () const

Additional Inherited Members
Protected Attributes inherited from Slide
SkString	fName

Detailed Description

Definition at line 314 of file ImageFilterDAGSlide.cpp.

Constructor & Destructor Documentation

ImageFilterDAGSlide()

ImageFilterDAGSlide::ImageFilterDAGSlide ( )

inline

Definition at line 316 of file ImageFilterDAGSlide.cpp.

{ fName = "ImageFilterDAG"; }

Member Function Documentation

draw()

void ImageFilterDAGSlide::draw ( SkCanvas *  canvas )

inlineoverridevirtual

Implements Slide.

Definition at line 318 of file ImageFilterDAGSlide.cpp.

                                         {
        // Make a large DAG
        //        /--- Color Filter <---- Blur <--- Offset
        // Merge <
        //        \--- Blur <--- Drop Shadow
        sk_sp<SkImageFilter> drop2 = SkImageFilters::DropShadow(
                10.f, 5.f, 3.f, 3.f, SK_ColorBLACK, nullptr);
        sk_sp<SkImageFilter> blur1 = SkImageFilters::Blur(2.f, 2.f, std::move(drop2));
 
        sk_sp<SkImageFilter> offset3 = SkImageFilters::Offset(-5.f, -5.f, nullptr);
        sk_sp<SkImageFilter> blur2 = SkImageFilters::Blur(4.f, 4.f, std::move(offset3));
        sk_sp<SkImageFilter> cf1 = SkImageFilters::ColorFilter(
                SkColorFilters::Blend(SK_ColorGRAY, SkBlendMode::kModulate), std::move(blur2));
 
        sk_sp<SkImageFilter> merge0 = SkImageFilters::Merge(std::move(blur1), std::move(cf1));
 
        draw_dag(canvas, merge0.get(), kFilterRect, kFilterSurfaceSize);
    }

getDimensions()

SkISize ImageFilterDAGSlide::getDimensions ( ) const

inlineoverridevirtual

A slide may have a content dimensions that is independent of the current window size. An empty size indicates that the Slide's dimensions are equal to the window's dimensions.

Reimplemented from Slide.

Definition at line 339 of file ImageFilterDAGSlide.cpp.

{ return kFilterSurfaceSize; }

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

• third_party/skia/tools/viewer/ImageFilterDAGSlide.cpp