skiagm::SliverPathsGM Class Reference

Inheritance diagram for skiagm::SliverPathsGM:

Public Member Functions
	SliverPathsGM ()
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 SkISize	getISize ()=0
virtual SkString	getName () const =0
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 void	onDraw (SkCanvas *)
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 138 of file mandoline.cpp.

Constructor & Destructor Documentation

SliverPathsGM()

skiagm::SliverPathsGM::SliverPathsGM ( )

inline

Definition at line 140 of file mandoline.cpp.

                    {
        this->setBGColor(SK_ColorBLACK);
    }

Member Function Documentation

getISize()

SkISize skiagm::SliverPathsGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 147 of file mandoline.cpp.

{ return SkISize::Make(560, 475); }

getName()

SkString skiagm::SliverPathsGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 145 of file mandoline.cpp.

{ return SkString("mandoline"); }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 149 of file mandoline.cpp.

                                           {
        SkPaint paint;
        paint.setColor(SK_ColorWHITE);
        paint.setAntiAlias(true);
 
        MandolineSlicer mandoline({41, 43});
        mandoline.sliceCubic({5, 277}, {381, -74}, {243, 162});
        mandoline.sliceLine({41, 43});
        canvas->drawPath(mandoline.path(), paint);
 
        mandoline.reset({357.049988f, 446.049988f});
        mandoline.sliceCubic({472.750000f, -71.950012f}, {639.750000f, 531.950012f},
                             {309.049988f, 347.950012f});
        mandoline.sliceLine({309.049988f, 419});
        mandoline.sliceLine({357.049988f, 446.049988f});
        canvas->drawPath(mandoline.path(), paint);
 
        canvas->save();
        canvas->translate(421, 105);
        canvas->scale(100, 81);
        mandoline.reset({-cosf(SkDegreesToRadians(-60)), sinf(SkDegreesToRadians(-60))});
        mandoline.sliceConic({-2, 0},
                             {-cosf(SkDegreesToRadians(60)), sinf(SkDegreesToRadians(60))}, .5f);
        mandoline.sliceConic({-cosf(SkDegreesToRadians(120))*2, sinf(SkDegreesToRadians(120))*2},
                             {1, 0}, .5f);
        mandoline.sliceLine({0, 0});
        mandoline.sliceLine({-cosf(SkDegreesToRadians(-60)), sinf(SkDegreesToRadians(-60))});
        canvas->drawPath(mandoline.path(), paint);
        canvas->restore();
 
        canvas->save();
        canvas->translate(150, 300);
        canvas->scale(75, 75);
        mandoline.reset({1, 0});
        constexpr int nquads = 5;
        for (int i = 0; i < nquads; ++i) {
            float theta1 = 2*SK_ScalarPI/nquads * (i + .5f);
            float theta2 = 2*SK_ScalarPI/nquads * (i + 1);
            mandoline.sliceQuadratic({cosf(theta1)*2, sinf(theta1)*2},
                                     {cosf(theta2), sinf(theta2)});
        }
        canvas->drawPath(mandoline.path(), paint);
        canvas->restore();
    }

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

• third_party/skia/gm/mandoline.cpp