skiagm::MorphologyGM Class Reference

Inheritance diagram for skiagm::MorphologyGM:

Public Member Functions
	MorphologyGM ()
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
void	onOnceBeforeDraw () override
SkISize	getISize () override
void	drawClippedBitmap (SkCanvas *canvas, const SkPaint &paint, int x, int y)
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 29 of file morphology.cpp.

Constructor & Destructor Documentation

MorphologyGM()

skiagm::MorphologyGM::MorphologyGM ( )

inline

Definition at line 31 of file morphology.cpp.

                   {
        this->setBGColor(0xFF000000);
    }

Member Function Documentation

drawClippedBitmap()

void skiagm::MorphologyGM::drawClippedBitmap ( SkCanvas *  canvas, const SkPaint &  paint, int  x, int  y  )

inlineprotected

Definition at line 52 of file morphology.cpp.

                                                                                 {
        canvas->save();
        canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
        canvas->clipIRect(fImage->bounds());
        canvas->drawImage(fImage, 0, 0, SkSamplingOptions(), &paint);
        canvas->restore();
    }

getISize()

SkISize skiagm::MorphologyGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 50 of file morphology.cpp.

{ return SkISize::Make(WIDTH, HEIGHT); }

getName()

SkString skiagm::MorphologyGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 36 of file morphology.cpp.

{ return SkString("morphology"); }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 60 of file morphology.cpp.

                                           {
        struct {
            int fWidth, fHeight;
            int fRadiusX, fRadiusY;
        } samples[] = {
            { 140, 140,   0,   0 },
            { 140, 140,   0,   2 },
            { 140, 140,   2,   0 },
            { 140, 140,   2,   2 },
            {  24,  24,  25,  25 },
        };
        SkPaint paint;
        SkIRect cropRect = SkIRect::MakeXYWH(25, 20, 100, 80);
 
        for (unsigned j = 0; j < 4; ++j) {
            for (unsigned i = 0; i < std::size(samples); ++i) {
                const SkIRect* cr = j & 0x02 ? &cropRect : nullptr;
                if (j & 0x01) {
                    paint.setImageFilter(SkImageFilters::Erode(
                            samples[i].fRadiusX, samples[i].fRadiusY, nullptr, cr));
                } else {
                    paint.setImageFilter(SkImageFilters::Dilate(
                            samples[i].fRadiusX, samples[i].fRadiusY, nullptr, cr));
                }
                this->drawClippedBitmap(canvas, paint, i * 140, j * 140);
            }
        }
    }

onOnceBeforeDraw()

void skiagm::MorphologyGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 38 of file morphology.cpp.

                                     {
        auto surf = SkSurfaces::Raster(SkImageInfo::MakeN32Premul(135, 135));
 
        SkFont  font(ToolUtils::DefaultPortableTypeface(), 64.0f);
        SkPaint paint;
        paint.setColor(0xFFFFFFFF);
        surf->getCanvas()->drawString("ABC", 10, 55,  font, paint);
        surf->getCanvas()->drawString("XYZ", 10, 110, font, paint);
 
        fImage = surf->makeImageSnapshot();
    }

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

• third_party/skia/gm/morphology.cpp