ImageFiltersCroppedGM Class Reference

Inheritance diagram for ImageFiltersCroppedGM:

Public Member Functions
	ImageFiltersCroppedGM ()
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	make_checkerboard ()
void	draw_frame (SkCanvas *canvas, const SkRect &r)
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 imagefilterscropped.cpp.

Constructor & Destructor Documentation

ImageFiltersCroppedGM()

ImageFiltersCroppedGM::ImageFiltersCroppedGM ( )

inline

Definition at line 77 of file imagefilterscropped.cpp.

{}

Member Function Documentation

draw_frame()

void ImageFiltersCroppedGM::draw_frame ( SkCanvas *  canvas, const SkRect &  r  )

inlineprotected

Definition at line 105 of file imagefilterscropped.cpp.

                                                       {
        SkPaint paint;
        paint.setStyle(SkPaint::kStroke_Style);
        paint.setColor(SK_ColorRED);
        canvas->drawRect(r, paint);
    }

getISize()

SkISize ImageFiltersCroppedGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 82 of file imagefilterscropped.cpp.

{ return SkISize::Make(400, 960); }

getName()

SkString ImageFiltersCroppedGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 80 of file imagefilterscropped.cpp.

{ return SkString("imagefilterscropped"); }

make_checkerboard()

void ImageFiltersCroppedGM::make_checkerboard ( )

inlineprotected

Definition at line 84 of file imagefilterscropped.cpp.

                             {
        auto surf = SkSurfaces::Raster(SkImageInfo::MakeN32Premul(80, 80));
        auto canvas = surf->getCanvas();
        SkPaint darkPaint;
        darkPaint.setColor(0xFF404040);
        SkPaint lightPaint;
        lightPaint.setColor(0xFFA0A0A0);
        for (int y = 0; y < 80; y += 16) {
            for (int x = 0; x < 80; x += 16) {
                canvas->save();
                canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
                canvas->drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint);
                canvas->drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint);
                canvas->drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint);
                canvas->drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint);
                canvas->restore();
            }
        }
        fCheckerboard = surf->makeImageSnapshot();
    }

onDraw()

void ImageFiltersCroppedGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 116 of file imagefilterscropped.cpp.

                                           {
        void (*drawProc[])(SkCanvas*, const SkRect&, sk_sp<SkImageFilter>) = {
            draw_bitmap, draw_path, draw_paint, draw_text
        };
 
        sk_sp<SkColorFilter> cf(SkColorFilters::Blend(SK_ColorBLUE,
                                                              SkBlendMode::kSrcIn));
        SkIRect cropRect = SkIRect::MakeXYWH(10, 10, 44, 44);
        SkIRect bogusRect = SkIRect::MakeXYWH(-100, -100, 10, 10);
 
        sk_sp<SkImageFilter> offset(SkImageFilters::Offset(-10, -10, nullptr));
 
        sk_sp<SkImageFilter> cfOffset(SkImageFilters::ColorFilter(cf, std::move(offset)));
 
        // These are composed with an outer erode along the other axis, so don't add a cropRect to
        // them or it will interfere with the second filter evaluation.
        sk_sp<SkImageFilter> erodeX(SkImageFilters::Erode(8, 0, nullptr));
        sk_sp<SkImageFilter> erodeY(SkImageFilters::Erode(0, 8, nullptr));
 
        sk_sp<SkImageFilter> filters[] = {
            nullptr,
            SkImageFilters::ColorFilter(cf, nullptr, &cropRect),
            SkImageFilters::Blur(0.0f, 0.0f, nullptr, &cropRect),
            SkImageFilters::Blur(1.0f, 1.0f, nullptr, &cropRect),
            SkImageFilters::Blur(8.0f, 0.0f, nullptr, &cropRect),
            SkImageFilters::Blur(0.0f, 8.0f, nullptr, &cropRect),
            SkImageFilters::Blur(8.0f, 8.0f, nullptr, &cropRect),
            SkImageFilters::Erode(1, 1, nullptr, &cropRect),
            SkImageFilters::Erode(8, 0, std::move(erodeY), &cropRect),
            SkImageFilters::Erode(0, 8, std::move(erodeX), &cropRect),
            SkImageFilters::Erode(8, 8, nullptr, &cropRect),
            SkImageFilters::Merge(nullptr, std::move(cfOffset), &cropRect),
            SkImageFilters::Blur(8.0f, 8.0f, nullptr, &bogusRect),
            SkImageFilters::ColorFilter(cf, nullptr, &bogusRect),
        };
 
        SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64));
        SkScalar MARGIN = SkIntToScalar(16);
        SkScalar DX = r.width() + MARGIN;
        SkScalar DY = r.height() + MARGIN;
 
        canvas->translate(MARGIN, MARGIN);
        for (size_t j = 0; j < std::size(drawProc); ++j) {
            canvas->save();
            for (size_t i = 0; i < std::size(filters); ++i) {
                SkPaint paint;
                canvas->drawImage(fCheckerboard, 0, 0);
                drawProc[j](canvas, r, filters[i]);
                canvas->translate(0, DY);
            }
            canvas->restore();
            canvas->translate(DX, 0);
        }
    }

onOnceBeforeDraw()

void ImageFiltersCroppedGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 112 of file imagefilterscropped.cpp.

                                     {
        make_checkerboard();
    }

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

• third_party/skia/gm/imagefilterscropped.cpp