BlurCirclesGM Class Reference

Inheritance diagram for BlurCirclesGM:

Public Member Functions
	BlurCirclesGM ()
Public Member Functions inherited from skiagm::GM
	GM (SkColor backgroundColor=SK_ColorWHITE)
virtual	~GM ()
void	setMode (Mode mode)
Mode	getMode () const
DrawResult	gpuSetup (SkCanvas *, SkString *errorMsg, GraphiteTestContext *=nullptr)
void	gpuTeardown ()
void	onceBeforeDraw ()
DrawResult	draw (SkCanvas *canvas)
DrawResult	draw (SkCanvas *, SkString *errorMsg)
void	drawBackground (SkCanvas *)
DrawResult	drawContent (SkCanvas *canvas)
DrawResult	drawContent (SkCanvas *, SkString *errorMsg)
SkScalar	width ()
SkScalar	height ()
SkColor	getBGColor () const
void	setBGColor (SkColor)
void	drawSizeBounds (SkCanvas *, SkColor)
bool	animate (double)
virtual bool	onChar (SkUnichar)
bool	getControls (SkMetaData *controls)
void	setControls (const SkMetaData &controls)
virtual void	modifyGrContextOptions (GrContextOptions *)
virtual void	modifyGraphiteContextOptions (skgpu::graphite::ContextOptions *) const
virtual bool	isBazelOnly () const
virtual std::map< std::string, std::string >	getGoldKeys () const

Protected Member Functions
bool	runAsBench () const override
SkString	getName () const override
SkISize	getISize () override
void	onOnceBeforeDraw () override
void	onDraw (SkCanvas *canvas) override
Protected Member Functions inherited from skiagm::GM
virtual DrawResult	onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
virtual void	onGpuTeardown ()
virtual DrawResult	onDraw (SkCanvas *, SkString *errorMsg)
virtual bool	onAnimate (double)
virtual bool	onGetControls (SkMetaData *)
virtual void	onSetControls (const SkMetaData &)
GraphiteTestContext *	graphiteTestContext () const

Additional Inherited Members
Public Types inherited from skiagm::GM
enum	Mode { kGM_Mode , kSample_Mode , kBench_Mode }
using	DrawResult = skiagm::DrawResult
using	GraphiteTestContext = skiatest::graphite::GraphiteTestContext
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

Definition at line 21 of file blurcircles.cpp.

Constructor & Destructor Documentation

BlurCirclesGM()

BlurCirclesGM::BlurCirclesGM ( )

inline

Definition at line 23 of file blurcircles.cpp.

{ }

Member Function Documentation

getISize()

SkISize BlurCirclesGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 30 of file blurcircles.cpp.

{ return SkISize::Make(950, 950); }

getName()

SkString BlurCirclesGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 28 of file blurcircles.cpp.

{ return SkString("blurcircles"); }

onDraw()

void BlurCirclesGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 42 of file blurcircles.cpp.

                                           {
        canvas->scale(1.5f, 1.5f);
        canvas->translate(50,50);
 
        const float circleRadii[] = {5.f, 10.f, 25.f, 50.f};
 
        for (size_t i = 0; i < kNumBlurs; ++i) {
            SkAutoCanvasRestore autoRestore(canvas, true);
            canvas->translate(0, 150.f*i);
            for (size_t j = 0; j < std::size(circleRadii); ++j) {
                SkPaint paint;
                paint.setColor(SK_ColorBLACK);
                paint.setMaskFilter(fBlurFilters[i]);
 
                static constexpr SkPoint kCenter = {50.f, 50.f};
                // Throw a rotation in the mix to make sure GPU fast path handles it correctly.
                canvas->save();
                canvas->rotate(j*22.f, kCenter.fX, kCenter.fY);
                canvas->drawCircle(kCenter, circleRadii[j], paint);
                canvas->restore();
                canvas->translate(150.f, 0.f);
            }
        }
    }

onOnceBeforeDraw()

void BlurCirclesGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 32 of file blurcircles.cpp.

                                     {
        const float blurRadii[kNumBlurs] = {1.f, 5.f, 10.f, 20.f};
 
        for (int i = 0; i < kNumBlurs; ++i) {
            fBlurFilters[i] = SkMaskFilter::MakeBlur(
                                    kNormal_SkBlurStyle,
                                    SkBlurMask::ConvertRadiusToSigma(blurRadii[i]));
        }
    }

runAsBench()

bool BlurCirclesGM::runAsBench ( ) const

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 26 of file blurcircles.cpp.

{ return true; }

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

• third_party/skia/gm/blurcircles.cpp