skiagm::BlurredClippedCircleGM Class Reference

Inheritance diagram for skiagm::BlurredClippedCircleGM:

Public Member Functions
	BlurredClippedCircleGM ()
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)
virtual bool	runAsBench () const
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
SkString	getName () const override
SkISize	getISize () override
void	onDraw (SkCanvas *canvas) override
Protected Member Functions inherited from skiagm::GM
virtual DrawResult	onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
virtual void	onGpuTeardown ()
virtual void	onOnceBeforeDraw ()
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 26 of file blurredclippedcircle.cpp.

Constructor & Destructor Documentation

BlurredClippedCircleGM()

skiagm::BlurredClippedCircleGM::BlurredClippedCircleGM ( )

inline

Definition at line 28 of file blurredclippedcircle.cpp.

                             {
        this->setBGColor(0xFFCCCCCC);
    }

Member Function Documentation

getISize()

SkISize skiagm::BlurredClippedCircleGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 35 of file blurredclippedcircle.cpp.

{ return SkISize::Make(kWidth, kHeight); }

getName()

SkString skiagm::BlurredClippedCircleGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 33 of file blurredclippedcircle.cpp.

{ return SkString("blurredclippedcircle"); }

onDraw()

void skiagm::BlurredClippedCircleGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 37 of file blurredclippedcircle.cpp.

                                           {
        SkPaint whitePaint;
        whitePaint.setColor(SK_ColorWHITE);
        whitePaint.setBlendMode(SkBlendMode::kSrc);
        whitePaint.setAntiAlias(true);
 
        // This scale exercises precision limits in the circle blur effect (crbug.com/560651)
        constexpr float kScale = 2.0f;
        canvas->scale(kScale, kScale);
 
        canvas->save();
            SkRect clipRect1 = SkRect::MakeLTRB(0, 0, kWidth, kHeight);
            canvas->clipRect(clipRect1);
 
            canvas->save();
 
                canvas->clipRect(clipRect1);
                canvas->drawRect(clipRect1, whitePaint);
 
                canvas->save();
 
                    SkRect clipRect2 = SkRect::MakeLTRB(8, 8, 288, 288);
                    SkRRect clipRRect = SkRRect::MakeOval(clipRect2);
                    canvas->clipRRect(clipRRect, SkClipOp::kDifference, true);
 
                    SkRect r = SkRect::MakeLTRB(4, 4, 292, 292);
                    SkRRect rr = SkRRect::MakeOval(r);
 
                    SkPaint paint;
 
                    paint.setMaskFilter(SkMaskFilter::MakeBlur(
                                            kNormal_SkBlurStyle,
                                            1.366025f));
                    paint.setColorFilter(SkColorFilters::Blend(SK_ColorRED, SkBlendMode::kSrcIn));
                    paint.setAntiAlias(true);
 
                    canvas->drawRRect(rr, paint);
 
                canvas->restore();
            canvas->restore();
        canvas->restore();
    }

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

• third_party/skia/gm/blurredclippedcircle.cpp