ReadPixelsCodecGM Class Reference

Inheritance diagram for ReadPixelsCodecGM:

Public Member Functions
	ReadPixelsCodecGM ()
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
DrawResult	onDraw (SkCanvas *canvas, SkString *errorMsg) override
Protected Member Functions inherited from skiagm::GM
virtual DrawResult	onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
virtual void	onGpuTeardown ()
virtual void	onOnceBeforeDraw ()
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
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

Definition at line 185 of file readpixels.cpp.

Constructor & Destructor Documentation

ReadPixelsCodecGM()

ReadPixelsCodecGM::ReadPixelsCodecGM ( )

inline

Definition at line 187 of file readpixels.cpp.

{}

Member Function Documentation

getISize()

SkISize ReadPixelsCodecGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 192 of file readpixels.cpp.

                                {
        return SkISize::Make(3 * (kEncodedWidth + 1), 12 * (kEncodedHeight + 1));
    }

getName()

SkString ReadPixelsCodecGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 190 of file readpixels.cpp.

{ return SkString("readpixelscodec"); }

onDraw()

DrawResult ReadPixelsCodecGM::onDraw ( SkCanvas *  canvas, SkString *  errorMsg  )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 196 of file readpixels.cpp.

                                                                     {
        if (!canvas->imageInfo().colorSpace()) {
            *errorMsg = "This gm is only interesting in color correct modes.";
            return DrawResult::kSkip;
        }
 
        const SkAlphaType alphaTypes[] = {
                kUnpremul_SkAlphaType,
                kPremul_SkAlphaType,
        };
        const SkColorType colorTypes[] = {
                kRGBA_8888_SkColorType,
                kBGRA_8888_SkColorType,
                kRGBA_F16_SkColorType,
        };
        const sk_sp<SkColorSpace> colorSpaces[] = {
                make_wide_gamut(),
                SkColorSpace::MakeSRGB(),
                make_small_gamut(),
        };
        const SkImage::CachingHint hints[] = {
                SkImage::kAllow_CachingHint,
                SkImage::kDisallow_CachingHint,
        };
 
        sk_sp<SkImage> image = make_codec_image();
        for (const sk_sp<SkColorSpace>& dstColorSpace : colorSpaces) {
            canvas->save();
            for (SkColorType dstColorType : colorTypes) {
                for (SkAlphaType dstAlphaType : alphaTypes) {
                    for (SkImage::CachingHint hint : hints) {
                        draw_image(nullptr, canvas, image.get(), dstColorType, dstAlphaType,
                                   dstColorSpace, hint);
                        canvas->translate(0.0f, (float) kEncodedHeight + 1);
                    }
                }
            }
            canvas->restore();
            canvas->translate((float) kEncodedWidth + 1, 0.0f);
        }
        return DrawResult::kOk;
    }

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

• third_party/skia/gm/readpixels.cpp