CircularClipsGM Class Reference

Inheritance diagram for CircularClipsGM:

Protected Member Functions
void	onOnceBeforeDraw () override
bool	runAsBench () const override
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 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
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
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

Definition at line 19 of file circularclips.cpp.

Member Function Documentation

getISize()

SkISize CircularClipsGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 39 of file circularclips.cpp.

{ return SkISize::Make(800, 200); }

getName()

SkString CircularClipsGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 37 of file circularclips.cpp.

{ return SkString("circular-clips"); }

onDraw()

void CircularClipsGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 41 of file circularclips.cpp.

                                           {
        const SkClipOp ops[] = {
            SkClipOp::kDifference,
            SkClipOp::kIntersect
        };
 
        SkRect rect = SkRect::MakeLTRB(fX1 - fR, fY - fR, fX2 + fR, fY + fR);
 
        SkPaint fillPaint;
 
        // Giant background circular clips (AA, non-inverted, replace/isect)
        fillPaint.setColor(0x80808080);
        canvas->save();
        canvas->scale(10, 10);
        canvas->translate(-((fX1 + fX2)/2 - fR), -(fY - 2*fR/3));
        canvas->clipPath(fCircle1, true);
        canvas->clipPath(fCircle2, true);
 
        canvas->drawRect(rect, fillPaint);
 
        canvas->restore();
 
        fillPaint.setColor(0xFF000000);
 
        for (size_t i = 0; i < 4; i++) {
            fCircle1.toggleInverseFillType();
            if (i % 2 == 0) {
                fCircle2.toggleInverseFillType();
            }
 
            canvas->save();
            for (size_t op = 0; op < std::size(ops); op++) {
                canvas->save();
 
                canvas->clipPath(fCircle1);
                canvas->clipPath(fCircle2, ops[op]);
 
                canvas->drawRect(rect, fillPaint);
 
                canvas->restore();
                canvas->translate(0, 2 * fY);
            }
            canvas->restore();
            canvas->translate(fX1 + fX2, 0);
        }
    }

onOnceBeforeDraw()

void CircularClipsGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 24 of file circularclips.cpp.

                                     {
        fX1 = 80;
        fX2 = 120;
        fY = 50;
        fR = 40;
 
        fCircle1 = SkPath::Circle(fX1, fY, fR, SkPathDirection::kCW);
        fCircle2 = SkPath::Circle(fX2, fY, fR, SkPathDirection::kCW);
    }

runAsBench()

bool CircularClipsGM::runAsBench ( ) const

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 35 of file circularclips.cpp.

{ return true; }

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

• third_party/skia/gm/circularclips.cpp