Dashing3GM Class Reference

Inheritance diagram for Dashing3GM:

Private Member Functions
SkString	getName () const override
SkISize	getISize () override
void	onDraw (SkCanvas *canvas) override

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)
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
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []
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

Detailed Description

Definition at line 192 of file dashing.cpp.

Member Function Documentation

getISize()

SkISize Dashing3GM::getISize ( )

inlineoverrideprivatevirtual

Implements skiagm::GM.

Definition at line 195 of file dashing.cpp.

{ return {640, 480}; }

getName()

SkString Dashing3GM::getName ( ) const

inlineoverrideprivatevirtual

Implements skiagm::GM.

Definition at line 193 of file dashing.cpp.

{ return SkString("dashing3"); }

onDraw()

void Dashing3GM::onDraw ( SkCanvas *  canvas )

inlineoverrideprivatevirtual

Reimplemented from skiagm::GM.

Definition at line 237 of file dashing.cpp.

                                           {
        // 1on/1off 1x1 squares with phase of 0 - points fastpath
        canvas->save();
            canvas->translate(2, 0);
            this->drawDashedLines(canvas, 100, 0, SK_Scalar1, 1, false);
        canvas->restore();
 
        // 1on/1off 1x1 squares with phase of .5 - rects fastpath (due to partial squares)
        canvas->save();
            canvas->translate(112, 0);
            this->drawDashedLines(canvas, 100, SK_ScalarHalf, SK_Scalar1, 1, false);
        canvas->restore();
 
        // 1on/1off 1x1 squares with phase of 1 - points fastpath
        canvas->save();
            canvas->translate(222, 0);
            this->drawDashedLines(canvas, 100, SK_Scalar1, SK_Scalar1, 1, false);
        canvas->restore();
 
        // 1on/1off 1x1 squares with phase of 1 and non-integer length - rects fastpath
        canvas->save();
            canvas->translate(332, 0);
            this->drawDashedLines(canvas, 99.5f, SK_ScalarHalf, SK_Scalar1, 1, false);
        canvas->restore();
 
        // 255on/255off 1x1 squares with phase of 0 - rects fast path
        canvas->save();
            canvas->translate(446, 0);
            this->drawDashedLines(canvas, 100, 0, SkIntToScalar(255), 1, false);
        canvas->restore();
 
        // 1on/1off 3x3 squares with phase of 0 - points fast path
        canvas->save();
            canvas->translate(2, 110);
            this->drawDashedLines(canvas, 100, 0, SkIntToScalar(3), 3, false);
        canvas->restore();
 
        // 1on/1off 3x3 squares with phase of 1.5 - rects fast path
        canvas->save();
            canvas->translate(112, 110);
            this->drawDashedLines(canvas, 100, 1.5f, SkIntToScalar(3), 3, false);
        canvas->restore();
 
        // 1on/1off 1x1 circles with phase of 1 - no fast path yet
        canvas->save();
            canvas->translate(2, 220);
            this->drawDashedLines(canvas, 100, SK_Scalar1, SK_Scalar1, 1, true);
        canvas->restore();
 
        // 1on/1off 3x3 circles with phase of 1 - no fast path yet
        canvas->save();
            canvas->translate(112, 220);
            this->drawDashedLines(canvas, 100, 0, SkIntToScalar(3), 3, true);
        canvas->restore();
 
        // 1on/1off 1x1 squares with rotation - should break fast path
        canvas->save();
            canvas->translate(332+SK_ScalarRoot2Over2*100, 110+SK_ScalarRoot2Over2*100);
            canvas->rotate(45);
            canvas->translate(-50, -50);
 
            this->drawDashedLines(canvas, 100, SK_Scalar1, SK_Scalar1, 1, false);
        canvas->restore();
 
        // 3on/3off 3x1 rects - should use rect fast path regardless of phase
        for (int phase = 0; phase <= 3; ++phase) {
            canvas->save();
                canvas->translate(SkIntToScalar(phase*110+2),
                                  SkIntToScalar(330));
                this->drawDashedLines(canvas, 100, SkIntToScalar(phase), SkIntToScalar(3), 1, false);
            canvas->restore();
        }
    }

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

• third_party/skia/gm/dashing.cpp