ImageFiltersBaseGM Class Reference

Inheritance diagram for ImageFiltersBaseGM:

Public Member Functions
	ImageFiltersBaseGM ()
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 SkISize	getISize ()=0
virtual SkString	getName () const =0
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	draw_frame (SkCanvas *canvas, const SkRect &r)
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 void	onDraw (SkCanvas *)
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 140 of file imagefiltersbase.cpp.

Constructor & Destructor Documentation

ImageFiltersBaseGM()

ImageFiltersBaseGM::ImageFiltersBaseGM ( )

inline

Definition at line 142 of file imagefiltersbase.cpp.

{}

Member Function Documentation

draw_frame()

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

inlineprotected

Definition at line 149 of file imagefiltersbase.cpp.

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

getISize()

SkISize ImageFiltersBaseGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 147 of file imagefiltersbase.cpp.

{ return SkISize::Make(700, 500); }

getName()

SkString ImageFiltersBaseGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 145 of file imagefiltersbase.cpp.

{ return SkString("imagefiltersbase"); }

onDraw()

void ImageFiltersBaseGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 156 of file imagefiltersbase.cpp.

                                           {
        if (fAtlas == nullptr) {
            fAtlas = create_atlas_image(canvas);
        }
 
        void (*drawProc[])(SkCanvas*, SkImage*, const SkRect&, sk_sp<SkImageFilter>) = {
            draw_paint,
            draw_line, draw_rect, draw_path, draw_text,
            draw_bitmap, draw_patch, draw_atlas
        };
 
        auto cf = SkColorFilters::Blend(SK_ColorRED, SkBlendMode::kSrcIn);
        sk_sp<SkImageFilter> filters[] = {
            nullptr,
            SkImageFilters::Offset(0.f, 0.f, nullptr), // "identity"
            SkImageFilters::Empty(),
            SkImageFilters::ColorFilter(std::move(cf), nullptr),
            // The strange 0.29 value tickles an edge case where crop rect calculates
            // a small border, but the blur really needs no border. This tickles
            // an msan uninitialized value bug.
            SkImageFilters::Blur(12.0f, 0.29f, nullptr),
            SkImageFilters::DropShadow(10.0f, 5.0f, 3.0f, 3.0f, SK_ColorBLUE, nullptr),
        };
 
        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 i = 0; i < std::size(drawProc); ++i) {
            canvas->save();
            for (size_t j = 0; j < std::size(filters); ++j) {
                drawProc[i](canvas, fAtlas.get(), r, filters[j]);
 
                draw_frame(canvas, r);
                canvas->translate(0, DY);
            }
            canvas->restore();
            canvas->translate(DX, 0);
        }
    }

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

• third_party/skia/gm/imagefiltersbase.cpp