SaveLayerWithBackdropGM Class Reference

Inheritance diagram for SaveLayerWithBackdropGM:

Protected Member Functions
bool	runAsBench () const override
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

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
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)
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
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

Definition at line 154 of file imagefilters.cpp.

Member Function Documentation

getISize()

SkISize SaveLayerWithBackdropGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 158 of file imagefilters.cpp.

{ return SkISize::Make(830, 550); }

getName()

SkString SaveLayerWithBackdropGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 157 of file imagefilters.cpp.

{ return SkString("savelayer_with_backdrop"); }

onDraw()

void SaveLayerWithBackdropGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 160 of file imagefilters.cpp.

                                           {
        SkColorMatrix cm;
        cm.setSaturation(10);
        sk_sp<SkColorFilter> cf(SkColorFilters::Matrix(cm));
        const SkScalar kernel[] = { 4, 0, 4, 0, -15, 0, 4, 0, 4 };
        sk_sp<SkImageFilter> filters[] = {
            SkImageFilters::Blur(10, 10, nullptr),
            SkImageFilters::Dilate(8, 8, nullptr),
            SkImageFilters::MatrixConvolution({ 3, 3 }, kernel, 1, 0, { 0, 0 },
                                              SkTileMode::kDecal, true, nullptr),
            SkImageFilters::ColorFilter(std::move(cf), nullptr),
        };
 
        const struct {
            SkScalar    fSx, fSy, fTx, fTy;
        } xforms[] = {
            { 1, 1, 0, 0 },
            { 0.5f, 0.5f, 530, 0 },
            { 0.25f, 0.25f, 530, 275 },
            { 0.125f, 0.125f, 530, 420 },
        };
 
        SkSamplingOptions sampling(SkFilterMode::kLinear,
                                   SkMipmapMode::kLinear);
        sk_sp<SkImage> image(ToolUtils::GetResourceAsImage("images/mandrill_512.png"));
 
        canvas->translate(20, 20);
        for (const auto& xform : xforms) {
            canvas->save();
            canvas->translate(xform.fTx, xform.fTy);
            canvas->scale(xform.fSx, xform.fSy);
            canvas->drawImage(image, 0, 0, sampling, nullptr);
            draw_set(canvas, filters, std::size(filters));
            canvas->restore();
        }
    }

runAsBench()

bool SaveLayerWithBackdropGM::runAsBench ( ) const

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 156 of file imagefilters.cpp.

{ return true; }

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

• third_party/skia/gm/imagefilters.cpp