ReadPixelsGM Class Reference

Inheritance diagram for ReadPixelsGM:

Public Member Functions
	ReadPixelsGM ()
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 SkISize	getISize ()=0
virtual SkString	getName () const =0
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	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 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 129 of file readpixels.cpp.

Constructor & Destructor Documentation

ReadPixelsGM()

ReadPixelsGM::ReadPixelsGM ( )

inline

Definition at line 131 of file readpixels.cpp.

{}

Member Function Documentation

getISize()

SkISize ReadPixelsGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 136 of file readpixels.cpp.

{ return SkISize::Make(6 * kWidth, 9 * kHeight); }

getName()

SkString ReadPixelsGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 134 of file readpixels.cpp.

{ return SkString("readpixels"); }

onDraw()

void ReadPixelsGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 138 of file readpixels.cpp.

                                           {
        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(),
        };
 
        for (const sk_sp<SkColorSpace>& dstColorSpace : colorSpaces) {
            for (SkColorType srcColorType : colorTypes) {
                canvas->save();
                sk_sp<SkImage> image = make_raster_image(srcColorType);
                if (!image) {
                    continue;
                }
                auto dContext = GrAsDirectContext(canvas->recordingContext());
                if (dContext) {
                    image = SkImages::TextureFromImage(dContext, image);
                }
                if (image) {
                    for (SkColorType dstColorType : colorTypes) {
                        for (SkAlphaType dstAlphaType : alphaTypes) {
                            draw_image(dContext, canvas, image.get(), dstColorType, dstAlphaType,
                                       dstColorSpace, SkImage::kAllow_CachingHint);
                            canvas->translate((float)kWidth, 0.0f);
                        }
                    }
                }
                canvas->restore();
                canvas->translate(0.0f, (float) kHeight);
            }
        }
    }

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

• third_party/skia/gm/readpixels.cpp