skiagm::ImageFiltersClippedGM Class Reference

Inheritance diagram for skiagm::ImageFiltersClippedGM:

Public Member Functions
	ImageFiltersClippedGM ()
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 75 of file imagefiltersclipped.cpp.

Constructor & Destructor Documentation

ImageFiltersClippedGM()

skiagm::ImageFiltersClippedGM::ImageFiltersClippedGM ( )

inline

Definition at line 77 of file imagefiltersclipped.cpp.

                            {
        this->setBGColor(0x00000000);
    }

Member Function Documentation

getISize()

SkISize skiagm::ImageFiltersClippedGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 84 of file imagefiltersclipped.cpp.

{ return SkISize::Make(860, 500); }

getName()

SkString skiagm::ImageFiltersClippedGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 82 of file imagefiltersclipped.cpp.

{ return SkString("imagefiltersclipped"); }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 92 of file imagefiltersclipped.cpp.

                                           {
        canvas->clear(SK_ColorBLACK);
 
        sk_sp<SkImageFilter> gradient(SkImageFilters::Image(fGradientCircle,
                                                            SkFilterMode::kLinear));
        sk_sp<SkImageFilter> checkerboard(SkImageFilters::Image(fCheckerboard,
                                                                SkFilterMode::kLinear));
        SkMatrix resizeMatrix;
        resizeMatrix.setScale(RESIZE_FACTOR_X, RESIZE_FACTOR_Y);
        SkPoint3 pointLocation = SkPoint3::Make(32, 32, SkIntToScalar(10));
 
        SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64));
        sk_sp<SkImageFilter> filters[] = {
            SkImageFilters::Blur(SkIntToScalar(12), SkIntToScalar(12), nullptr),
            SkImageFilters::DropShadow(SkIntToScalar(10), SkIntToScalar(10),
                                       SkIntToScalar(3), SkIntToScalar(3), SK_ColorGREEN, nullptr),
            SkImageFilters::DisplacementMap(SkColorChannel::kR, SkColorChannel::kR,
                                            SkIntToScalar(12), std::move(gradient), checkerboard),
            SkImageFilters::Dilate(2, 2, checkerboard),
            SkImageFilters::Erode(2, 2, checkerboard),
            SkImageFilters::Offset(SkIntToScalar(-16), SkIntToScalar(32), nullptr),
            SkImageFilters::MatrixTransform(resizeMatrix, SkSamplingOptions(), nullptr),
            // Crop output of lighting to the checkerboard
            SkImageFilters::PointLitDiffuse(pointLocation, SK_ColorWHITE, SK_Scalar1,
                                            SkIntToScalar(2), checkerboard, r),
        };
 
        SkScalar margin = SkIntToScalar(16);
        SkRect bounds = r;
        bounds.outset(margin, margin);
 
        canvas->save();
        for (int xOffset = 0; xOffset < 80; xOffset += 16) {
            canvas->save();
            bounds.fLeft = SkIntToScalar(xOffset);
            for (size_t i = 0; i < std::size(filters); ++i) {
                draw_clipped_filter(canvas, filters[i], i, r, bounds);
                canvas->translate(r.width() + margin, 0);
            }
            canvas->restore();
            canvas->translate(0, r.height() + margin);
        }
        canvas->restore();
 
        sk_sp<SkImageFilter> rectFilter(
                SkImageFilters::Shader(SkShaders::MakeFractalNoise(0.1f, 0.05f, 1, 0)));
        canvas->translate(std::size(filters)*(r.width() + margin), 0);
        for (int xOffset = 0; xOffset < 80; xOffset += 16) {
            bounds.fLeft = SkIntToScalar(xOffset);
            draw_clipped_filter(canvas, rectFilter, 0, r, bounds);
            canvas->translate(0, r.height() + margin);
        }
    }

onOnceBeforeDraw()

void skiagm::ImageFiltersClippedGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 86 of file imagefiltersclipped.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/imagefiltersclipped.cpp