Inheritance diagram for ImageFiltersGraphGM:

Public Member Functions
	ImageFiltersGraphGM ()

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 29 of file imagefiltersgraph.cpp.

Constructor & Destructor Documentation

◆ ImageFiltersGraphGM()

ImageFiltersGraphGM::ImageFiltersGraphGM ( )

inline

Definition at line 31 of file imagefiltersgraph.cpp.

31{}

Member Function Documentation

◆ getISize()

SkISize ImageFiltersGraphGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 36 of file imagefiltersgraph.cpp.

36{ return SkISize::Make(600, 150); }

SkISize::Make

static constexpr SkISize Make(int32_t w, int32_t h)

Definition SkSize.h:20

◆ getName()

SkString ImageFiltersGraphGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 34 of file imagefiltersgraph.cpp.

34{ return SkString("imagefiltersgraph"); }

SkString

Definition SkString.h:118

◆ onDraw()

void ImageFiltersGraphGM::onDraw ( SkCanvas * canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 42 of file imagefiltersgraph.cpp.

                                           {
        canvas->clear(SK_ColorBLACK);
        {
            sk_sp<SkImageFilter> bitmapSource(SkImageFilters::Image(fImage, SkFilterMode::kLinear));
            sk_sp<SkColorFilter> cf(SkColorFilters::Blend(SK_ColorRED,
                                                                  SkBlendMode::kSrcIn));
            sk_sp<SkImageFilter> blur(SkImageFilters::Blur(4.0f, 4.0f, std::move(bitmapSource)));
            sk_sp<SkImageFilter> erode(SkImageFilters::Erode(4, 4, blur));
            sk_sp<SkImageFilter> color(SkImageFilters::ColorFilter(std::move(cf),
                                                                      std::move(erode)));
            sk_sp<SkImageFilter> merge(SkImageFilters::Merge(blur, color));
 
            SkPaint paint;
            paint.setImageFilter(std::move(merge));
            canvas->drawPaint(paint);
            canvas->translate(SkIntToScalar(100), 0);
        }
        {
            sk_sp<SkImageFilter> morph(SkImageFilters::Dilate(5, 5, nullptr));
 
            float matrix[20] = { 1, 0, 0, 0, 0,
                                 0, 1, 0, 0, 0,
                                 0, 0, 1, 0, 0,
                                 0, 0, 0, 0.5f, 0 };
 
            sk_sp<SkColorFilter> matrixFilter(SkColorFilters::Matrix(matrix));
            sk_sp<SkImageFilter> colorMorph(SkImageFilters::ColorFilter(std::move(matrixFilter),
                                                                           std::move(morph)));
            SkPaint paint;
            paint.setImageFilter(SkImageFilters::Blend(SkBlendMode::kSrcOver,
                                                       std::move(colorMorph)));
 
            DrawClippedImage(canvas, fImage.get(), paint);
            canvas->translate(SkIntToScalar(100), 0);
        }
        {
            float matrix[20] = { 1, 0, 0, 0, 0,
                                 0, 1, 0, 0, 0,
                                 0, 0, 1, 0, 0,
                                 0, 0, 0, 0.5f, 0 };
            sk_sp<SkColorFilter> matrixCF(SkColorFilters::Matrix(matrix));
            sk_sp<SkImageFilter> matrixFilter(SkImageFilters::ColorFilter(std::move(matrixCF),
                                                                             nullptr));
            sk_sp<SkImageFilter> offsetFilter(SkImageFilters::Offset(10.0f, 10.f, matrixFilter));
 
            SkPaint paint;
            paint.setImageFilter(SkImageFilters::Arithmetic(
                    0, 1, 1, 0, true, std::move(matrixFilter), std::move(offsetFilter), nullptr));
 
            DrawClippedImage(canvas, fImage.get(), paint);
            canvas->translate(SkIntToScalar(100), 0);
        }
        {
            sk_sp<SkImageFilter> blur(SkImageFilters::Blur(10, 10, nullptr));
 
            SkIRect cropRect = SkIRect::MakeWH(95, 100);
            SkPaint paint;
            paint.setImageFilter(
                SkImageFilters::Blend(SkBlendMode::kSrcIn, std::move(blur), nullptr, &cropRect));
            DrawClippedImage(canvas, fImage.get(), paint);
            canvas->translate(SkIntToScalar(100), 0);
        }
        {
            // Dilate -> matrix convolution.
            // This tests that a filter using asFragmentProcessor (matrix
            // convolution) correctly handles a non-zero source offset
            // (supplied by the dilate).
            sk_sp<SkImageFilter> dilate(SkImageFilters::Dilate(5, 5, nullptr));
 
            SkScalar kernel[9] = { -1, -1, -1,
                                   -1,  7, -1,
                                   -1, -1, -1 };
            SkISize kernelSize = SkISize::Make(3, 3);
            SkScalar gain = 1.0f, bias = 0;
            SkIPoint kernelOffset = SkIPoint::Make(1, 1);
            bool convolveAlpha = false;
            sk_sp<SkImageFilter> convolve(SkImageFilters::MatrixConvolution(
                    kernelSize, kernel, gain, bias, kernelOffset, SkTileMode::kClamp, convolveAlpha,
                    std::move(dilate)));
 
            SkPaint paint;
            paint.setImageFilter(std::move(convolve));
            DrawClippedImage(canvas, fImage.get(), paint);
            canvas->translate(SkIntToScalar(100), 0);
        }
        {
            // Test that crop offsets are absolute, not relative to the parent's crop rect.
            sk_sp<SkColorFilter> cf1(SkColorFilters::Blend(SK_ColorBLUE, SkBlendMode::kSrcIn));
            sk_sp<SkColorFilter> cf2(SkColorFilters::Blend(SK_ColorGREEN, SkBlendMode::kSrcIn));
            SkIRect outerRect = SkIRect::MakeXYWH(10, 10, 80, 80);
            SkIRect innerRect= SkIRect::MakeXYWH(20, 20, 60, 60);
            sk_sp<SkImageFilter> color1(SkImageFilters::ColorFilter(
                    std::move(cf1), nullptr, &outerRect));
            sk_sp<SkImageFilter> color2(SkImageFilters::ColorFilter(
                    std::move(cf2), std::move(color1),  &innerRect));
 
            SkPaint paint;
            paint.setImageFilter(std::move(color2));
            paint.setColor(SK_ColorRED);
            canvas->drawRect(SkRect::MakeXYWH(0, 0, 100, 100), paint);
            canvas->translate(SkIntToScalar(100), 0);
        }
    }

◆ onOnceBeforeDraw()

void ImageFiltersGraphGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 38 of file imagefiltersgraph.cpp.

                                     {
        fImage = ToolUtils::CreateStringImage(100, 100, SK_ColorWHITE, 20, 70, 96, "e");
    }

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

third_party/skia/gm/imagefiltersgraph.cpp

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ImageFiltersGraphGM()

Member Function Documentation

◆ getISize()

◆ getName()

◆ onDraw()

◆ onOnceBeforeDraw()