skiagm::NestedGM Class Reference

Inheritance diagram for skiagm::NestedGM:

Public Member Functions
	NestedGM (bool doAA, bool flipped)
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 Types
enum	Shapes { kRect_Shape = 0 , kRRect_Shape , kOval_Shape , kShapeCount }

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	AddShape (SkPathBuilder *b, const SkRect &rect, Shapes shape, SkPathDirection dir)

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 24 of file nested.cpp.

Member Enumeration Documentation

Shapes

enum skiagm::NestedGM::Shapes

protected

Enumerator
kRect_Shape
kRRect_Shape
kOval_Shape
kShapeCount

Definition at line 46 of file nested.cpp.

                {
        kRect_Shape = 0,
        kRRect_Shape,
        kOval_Shape,
        kShapeCount
    };

Constructor & Destructor Documentation

NestedGM()

skiagm::NestedGM::NestedGM ( bool  doAA, bool  flipped  )

inline

Definition at line 26 of file nested.cpp.

                                      : fDoAA(doAA), fFlipped(flipped) {
        this->setBGColor(0xFFDDDDDD);
    }

Member Function Documentation

AddShape()

static void skiagm::NestedGM::AddShape ( SkPathBuilder *  b, const SkRect &  rect, Shapes  shape, SkPathDirection  dir  )

inlinestaticprotected

Definition at line 53 of file nested.cpp.

                                                                                                  {
        switch (shape) {
            case kRect_Shape:
                b->addRect(rect, dir);
                break;
            case kRRect_Shape: {
                SkRRect rr;
                rr.setRectXY(rect, 5, 5);
                b->addRRect(rr, dir);
                break;
                }
            case kOval_Shape:
                b->addOval(rect, dir);
                break;
            default:
                break;
        }
    }

getISize()

SkISize skiagm::NestedGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 44 of file nested.cpp.

{ return SkISize::Make(kImageWidth, kImageHeight); }

getName()

SkString skiagm::NestedGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 31 of file nested.cpp.

                                      {
        SkString name("nested");
        if (fFlipped) {
            name.append("_flipY");
        }
        if (fDoAA) {
            name.append("_aa");
        } else {
            name.append("_bw");
        }
        return name;
    }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 72 of file nested.cpp.

                                           {
 
        SkPaint shapePaint;
        shapePaint.setColor(SK_ColorBLACK);
        shapePaint.setAntiAlias(fDoAA);
 
        SkRect outerRect = SkRect::MakeWH(40, 40);
 
        SkRect innerRects[] = {
            { 10, 10, 30, 30 },     // small
            { .5f, 18, 4.5f, 22 }   // smaller and offset to left
        };
 
        // draw a background pattern to make transparency errors more apparent
        SkRandom rand;
 
        for (int y = 0; y < kImageHeight; y += 10) {
            for (int x = 0; x < kImageWidth; x += 10) {
                SkRect r = SkRect::MakeXYWH(SkIntToScalar(x),
                                            SkIntToScalar(y),
                                            10, 10);
                SkPaint p;
                p.setColor(rand.nextU() | 0xFF000000);
                canvas->drawRect(r, p);
            }
        }
 
        SkScalar xOff = 2, yOff = 2;
        for (int outerShape = 0; outerShape < kShapeCount; ++outerShape) {
            for (int innerShape = 0; innerShape < kShapeCount; ++innerShape) {
                for (size_t innerRect = 0; innerRect < std::size(innerRects); ++innerRect) {
                    SkPathBuilder builder;
 
                    AddShape(&builder, outerRect, (Shapes) outerShape, SkPathDirection::kCW);
                    AddShape(&builder, innerRects[innerRect], (Shapes) innerShape,
                             SkPathDirection::kCCW);
 
                    canvas->save();
                    if (fFlipped) {
                        canvas->scale(1.0f, -1.0f);
                        canvas->translate(xOff, -yOff - 40.0f);
                    } else {
                        canvas->translate(xOff, yOff);
                    }
 
                    canvas->drawPath(builder.detach(), shapePaint);
                    canvas->restore();
 
                    xOff += 45;
                }
            }
 
            xOff = 2;
            yOff += 45;
        }
 
    }

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

• third_party/skia/gm/nested.cpp