skiagm::ImageFiltersTransformedGM Class Reference

Inheritance diagram for skiagm::ImageFiltersTransformedGM:

Public Member Functions
	ImageFiltersTransformedGM ()
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 63 of file imagefilterstransformed.cpp.

Constructor & Destructor Documentation

ImageFiltersTransformedGM()

skiagm::ImageFiltersTransformedGM::ImageFiltersTransformedGM ( )

inline

Definition at line 65 of file imagefilterstransformed.cpp.

                                {
        this->setBGColor(SK_ColorBLACK);
    }

Member Function Documentation

getISize()

SkISize skiagm::ImageFiltersTransformedGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 72 of file imagefilterstransformed.cpp.

{ return SkISize::Make(420, 240); }

getName()

SkString skiagm::ImageFiltersTransformedGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 70 of file imagefilterstransformed.cpp.

{ return SkString("imagefilterstransformed"); }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 80 of file imagefilterstransformed.cpp.

                                           {
        sk_sp<SkImageFilter> gradient(SkImageFilters::Image(fGradientCircle,
                                                            SkFilterMode::kLinear));
        sk_sp<SkImageFilter> checkerboard(SkImageFilters::Image(fCheckerboard,
                                                                SkFilterMode::kLinear));
        sk_sp<SkImageFilter> filters[] = {
            SkImageFilters::Blur(12, 0, nullptr),
            SkImageFilters::DropShadow(0, 15, 8, 0, SK_ColorGREEN, nullptr),
            SkImageFilters::DisplacementMap(SkColorChannel::kR, SkColorChannel::kR, 12,
                                            std::move(gradient), checkerboard),
            SkImageFilters::Dilate(2, 2, checkerboard),
            SkImageFilters::Erode(2, 2, checkerboard),
        };
 
        const SkScalar margin = SkIntToScalar(20);
        const SkScalar size = SkIntToScalar(60);
 
        for (size_t j = 0; j < 3; j++) {
            canvas->save();
            canvas->translate(margin, 0);
            for (size_t i = 0; i < std::size(filters); ++i) {
                SkPaint paint;
                paint.setColor(SK_ColorWHITE);
                paint.setImageFilter(filters[i]);
                paint.setAntiAlias(true);
                canvas->save();
                canvas->translate(size * SK_ScalarHalf, size * SK_ScalarHalf);
                canvas->scale(SkDoubleToScalar(0.8), SkDoubleToScalar(0.8));
                if (j == 1) {
                    canvas->rotate(SkIntToScalar(45));
                } else if (j == 2) {
                    canvas->skew(SkDoubleToScalar(0.5), SkDoubleToScalar(0.2));
                }
                canvas->translate(-size * SK_ScalarHalf, -size * SK_ScalarHalf);
                canvas->drawOval(SkRect::MakeXYWH(0, size * SkDoubleToScalar(0.1),
                                                  size, size * SkDoubleToScalar(0.6)), paint);
                canvas->restore();
                canvas->translate(size + margin, 0);
            }
            canvas->restore();
            canvas->translate(0, size + margin);
        }
    }

onOnceBeforeDraw()

void skiagm::ImageFiltersTransformedGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 74 of file imagefilterstransformed.cpp.

                                     {
        fCheckerboard =
                ToolUtils::create_checkerboard_image(64, 64, 0xFFA0A0A0, 0xFF404040, 8);
        fGradientCircle = make_gradient_circle(64, 64);
    }

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

• third_party/skia/gm/imagefilterstransformed.cpp