skiagm::ImageSourceGM Class Reference

Inheritance diagram for skiagm::ImageSourceGM:

Public Member Functions
	ImageSourceGM (const char *suffix, const SkSamplingOptions &sampling)
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 27 of file imagesource2.cpp.

Constructor & Destructor Documentation

ImageSourceGM()

skiagm::ImageSourceGM::ImageSourceGM ( const char *  suffix, const SkSamplingOptions &  sampling  )

inline

Definition at line 29 of file imagesource2.cpp.

        : fSuffix(suffix), fSampling(sampling) {
        this->setBGColor(0xFFFFFFFF);
    }

Member Function Documentation

getISize()

SkISize skiagm::ImageSourceGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 41 of file imagesource2.cpp.

{ return SkISize::Make(256, 256); }

getName()

SkString skiagm::ImageSourceGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 35 of file imagesource2.cpp.

                                      {
        SkString name("imagesrc2_");
        name.append(fSuffix);
        return name;
    }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 73 of file imagesource2.cpp.

                                           {
        const SkRect srcRect = SkRect::MakeLTRB(0, 0,
                                                SkIntToScalar(kImageSize),
                                                SkIntToScalar(kImageSize));
        const SkRect dstRect = SkRect::MakeLTRB(0.75f, 0.75f, 225.75f, 225.75f);
 
        SkPaint p;
        p.setImageFilter(SkImageFilters::Image(fImage, srcRect, dstRect, fSampling));
 
        canvas->saveLayer(nullptr, &p);
        canvas->restore();
    }

onOnceBeforeDraw()

void skiagm::ImageSourceGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 44 of file imagesource2.cpp.

                                     {
        constexpr SkPMColor gColors[] = {
            SK_ColorRED,     SK_ColorGRAY,
            SK_ColorGREEN,   SK_ColorGRAY,
            SK_ColorBLUE,    SK_ColorGRAY,
            SK_ColorCYAN,    SK_ColorGRAY,
            SK_ColorMAGENTA, SK_ColorGRAY,
            SK_ColorYELLOW,  SK_ColorGRAY,
            SK_ColorWHITE,   SK_ColorGRAY,
        };
 
        auto surface(SkSurfaces::Raster(SkImageInfo::MakeN32Premul(kImageSize, kImageSize)));
        SkCanvas* canvas = surface->getCanvas();
 
        int curColor = 0;
 
        for (int x = 0; x < kImageSize; x += 3) {
            SkRect r = SkRect::MakeXYWH(SkIntToScalar(x), SkIntToScalar(0),
                                        SkIntToScalar(3), SkIntToScalar(kImageSize));
            SkPaint p;
            p.setColor(gColors[curColor]);
            canvas->drawRect(r, p);
 
            curColor = (curColor+1) % std::size(gColors);
        }
 
        fImage = surface->makeImageSnapshot();
    }

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

• third_party/skia/gm/imagesource2.cpp