skiagm::PointsGM Class Reference

Inheritance diagram for skiagm::PointsGM:

Public Member Functions
	PointsGM ()
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

Static Protected Member Functions
static void	fill_pts (SkPoint pts[], size_t n, SkRandom *rand)

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 23 of file points.cpp.

Constructor & Destructor Documentation

PointsGM()

skiagm::PointsGM::PointsGM ( )

inline

Definition at line 25 of file points.cpp.

{}

Member Function Documentation

fill_pts()

static void skiagm::PointsGM::fill_pts ( SkPoint  pts[], size_t  n, SkRandom *  rand  )

inlinestaticprotected

Definition at line 32 of file points.cpp.

                                                                  {
        for (size_t i = 0; i < n; i++) {
            // Compute these independently and store in variables, rather
            // than in the parameter-passing expression, to get consistent
            // evaluation order across compilers.
            SkScalar y = rand->nextUScalar1() * 480;
            SkScalar x = rand->nextUScalar1() * 640;
            pts[i].set(x, y);
        }
    }

getISize()

SkISize skiagm::PointsGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 30 of file points.cpp.

{ return SkISize::Make(640, 490); }

getName()

SkString skiagm::PointsGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 28 of file points.cpp.

{ return SkString("points"); }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 43 of file points.cpp.

                                           {
        canvas->translate(SK_Scalar1, SK_Scalar1);
 
        SkRandom rand;
        SkPaint  p0, p1, p2, p3;
        const size_t n = 99;
 
        p0.setColor(SK_ColorRED);
        p1.setColor(SK_ColorGREEN);
        p2.setColor(SK_ColorBLUE);
        p3.setColor(SK_ColorWHITE);
 
        p0.setStrokeWidth(SkIntToScalar(4));
        p2.setStrokeCap(SkPaint::kRound_Cap);
        p2.setStrokeWidth(SkIntToScalar(6));
 
        SkPoint* pts = new SkPoint[n];
        fill_pts(pts, n, &rand);
 
        canvas->drawPoints(SkCanvas::kPolygon_PointMode, n, pts, p0);
        canvas->drawPoints(SkCanvas::kLines_PointMode, n, pts, p1);
        canvas->drawPoints(SkCanvas::kPoints_PointMode, n, pts, p2);
        canvas->drawPoints(SkCanvas::kPoints_PointMode, n, pts, p3);
 
        delete[] pts;
    }

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

• third_party/skia/gm/points.cpp