skiagm::StrokedLinesGM Class Reference

Inheritance diagram for skiagm::StrokedLinesGM:

Public Member Functions
	StrokedLinesGM (bool useDrawPath)
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	onOnceBeforeDraw () 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
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

Definition at line 125 of file strokedlines.cpp.

Constructor & Destructor Documentation

StrokedLinesGM()

skiagm::StrokedLinesGM::StrokedLinesGM ( bool  useDrawPath )

inline

Definition at line 127 of file strokedlines.cpp.

                                     : fUseDrawPath(useDrawPath) {
        this->setBGColor(ToolUtils::color_to_565(0xFF1A65D7));
    }

Member Function Documentation

getISize()

SkISize skiagm::StrokedLinesGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 141 of file strokedlines.cpp.

                                {
        return SkISize::Make(kNumColumns * (2*kRadius+2*kPad), kNumRows * (2*kRadius+2*kPad));
    }

getName()

SkString skiagm::StrokedLinesGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 132 of file strokedlines.cpp.

                                      {
        // To preserve history, useDrawPath==true has no suffix.
        SkString name{"strokedlines"};
        if (!fUseDrawPath) {
            name.append("_drawPoints");
        }
        return name;
    }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 225 of file strokedlines.cpp.

                                           {
        canvas->translate(0, kRadius+kPad);
 
        for (int i = 0; i < fPaints.size(); ++i) {
            int saveCount = canvas->save();
            draw_row(canvas, fPaints[i], SkMatrix::I(), fUseDrawPath);
            canvas->restoreToCount(saveCount);
 
            canvas->translate(0, 2*(kRadius+kPad));
        }
 
        for (int i = 0; i < fMatrices.size(); ++i) {
            int saveCount = canvas->save();
            draw_row(canvas, fPaints[0], fMatrices[i], fUseDrawPath);
            canvas->restoreToCount(saveCount);
 
            canvas->translate(0, 2*(kRadius+kPad));
        }
    }

onOnceBeforeDraw()

void skiagm::StrokedLinesGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 145 of file strokedlines.cpp.

                                     {
        // paints
        {
            // basic white
            SkPaint p;
            p.setColor(SK_ColorWHITE);
            fPaints.push_back(p);
        }
        {
            // gradient
            SkColor colors[] = { SK_ColorRED, SK_ColorGREEN };
            SkPoint pts[] = { {-kRadius-kPad, -kRadius-kPad }, { kRadius+kPad, kRadius+kPad } };
 
            SkPaint p;
            p.setShader(SkGradientShader::MakeLinear(pts, colors, nullptr, 2, SkTileMode::kClamp));
 
            fPaints.push_back(p);
        }
        {
            // dashing
            SkScalar intervals[] = { kStrokeWidth, kStrokeWidth };
            int intervalCount = (int) std::size(intervals);
            SkPaint p;
            p.setColor(SK_ColorWHITE);
            p.setPathEffect(SkDashPathEffect::Make(intervals, intervalCount, kStrokeWidth));
 
            fPaints.push_back(p);
        }
        {
            // Bitmap shader
            SkBitmap bm;
            bm.allocN32Pixels(2, 2);
            *bm.getAddr32(0, 0) = *bm.getAddr32(1, 1) = 0xFFFFFFFF;
            *bm.getAddr32(1, 0) = *bm.getAddr32(0, 1) = 0x0;
 
            SkMatrix m;
            m.setRotate(12.0f);
            m.preScale(3.0f, 3.0f);
 
            SkPaint p;
            p.setShader(bm.makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat,
                                      SkSamplingOptions(), m));
            fPaints.push_back(p);
        }
        {
            // blur
            SkPaint p;
            p.setColor(SK_ColorWHITE);
            p.setMaskFilter(SkMaskFilter::MakeBlur(kOuter_SkBlurStyle, 3.0f));
            fPaints.push_back(p);
        }
 
        // matrices
        {
            // rotation
            SkMatrix m;
            m.setRotate(12.0f);
 
            fMatrices.push_back(m);
        }
        {
            // skew
            SkMatrix m;
            m.setSkew(0.3f, 0.5f);
 
            fMatrices.push_back(m);
        }
        {
            // perspective
            SkMatrix m;
            m.reset();
            m.setPerspX(-SK_Scalar1 / 300);
            m.setPerspY(SK_Scalar1 / 300);
 
            fMatrices.push_back(m);
        }
 
        SkASSERT(kNumRows == fPaints.size() + fMatrices.size());
    }

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

• third_party/skia/gm/strokedlines.cpp