ZeroLenStrokesGM Class Reference

Inheritance diagram for ZeroLenStrokesGM:

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

Detailed Description

Definition at line 106 of file strokes.cpp.

Member Function Documentation

getISize()

SkISize ZeroLenStrokesGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 129 of file strokes.cpp.

{ return SkISize::Make(W, H * 2); }

getName()

SkString ZeroLenStrokesGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 127 of file strokes.cpp.

{ return SkString("zeroPath"); }

onDraw()

void ZeroLenStrokesGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 131 of file strokes.cpp.

                                           {
        SkPaint fillPaint, strokePaint, dashPaint;
        fillPaint.setAntiAlias(true);
        strokePaint = fillPaint;
        strokePaint.setStyle(SkPaint::kStroke_Style);
        for (int i = 0; i < 2; ++i) {
            fillPaint.setAlphaf(1.0f);
            strokePaint.setAlphaf(1.0f);
            strokePaint.setStrokeWidth(i ? 8.f : 10.f);
            strokePaint.setStrokeCap(i ? SkPaint::kSquare_Cap : SkPaint::kRound_Cap);
            canvas->save();
            canvas->translate(10 + i * 100.f, 10);
            canvas->drawPath(fMoveHfPath, strokePaint);
            canvas->translate(0, 20);
            canvas->drawPath(fMoveZfPath, strokePaint);
            dashPaint = strokePaint;
            const SkScalar intervals[] = { 0, 10 };
            dashPaint.setPathEffect(SkDashPathEffect::Make(intervals, 2, 0));
            SkPath fillPath;
            skpathutils::FillPathWithPaint(fDashedfPath, dashPaint, &fillPath);
            canvas->translate(0, 20);
            canvas->drawPath(fDashedfPath, dashPaint);
            canvas->translate(0, 20);
            canvas->drawPath(fRefPath[i * 2], fillPaint);
            strokePaint.setStrokeWidth(20);
            strokePaint.setAlphaf(0.5f);
            canvas->translate(0, 50);
            canvas->drawPath(fMoveHfPath, strokePaint);
            canvas->translate(0, 30);
            canvas->drawPath(fMoveZfPath, strokePaint);
            canvas->translate(0, 30);
            fillPaint.setAlphaf(0.5f);
            canvas->drawPath(fRefPath[1 + i * 2], fillPaint);
            canvas->translate(0, 30);
            canvas->drawPath(fCubicPath, strokePaint);
            canvas->translate(0, 30);
            canvas->drawPath(fQuadPath, strokePaint);
            canvas->translate(0, 30);
            canvas->drawPath(fLinePath, strokePaint);
            canvas->restore();
        }
    }

onOnceBeforeDraw()

void ZeroLenStrokesGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 110 of file strokes.cpp.

                                     {
 
        SkAssertResult(SkParsePath::FromSVGString("M0,0h0M10,0h0M20,0h0", &fMoveHfPath));
        SkAssertResult(SkParsePath::FromSVGString("M0,0zM10,0zM20,0z", &fMoveZfPath));
        SkAssertResult(SkParsePath::FromSVGString("M0,0h25", &fDashedfPath));
        SkAssertResult(SkParsePath::FromSVGString("M 0 0 C 0 0 0 0 0 0", &fCubicPath));
        SkAssertResult(SkParsePath::FromSVGString("M 0 0 Q 0 0 0 0", &fQuadPath));
        SkAssertResult(SkParsePath::FromSVGString("M 0 0 L 0 0", &fLinePath));
 
        for (int i = 0; i < 3; ++i) {
            fRefPath[0].addCircle(i * 10.f, 0, 5);
            fRefPath[1].addCircle(i * 10.f, 0, 10);
            fRefPath[2].addRect(i * 10.f - 4, -2, i * 10.f + 4, 6);
            fRefPath[3].addRect(i * 10.f - 10, -10, i * 10.f + 10, 10);
        }
    }

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

• third_party/skia/gm/strokes.cpp