HighContrastFilterGM Class Reference

Inheritance diagram for HighContrastFilterGM:

Protected Member Functions
void	onOnceBeforeDraw () override
SkString	getName () const override
SkISize	getISize () override
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
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
Static Public Attributes inherited from skiagm::GM
static constexpr char	kErrorMsg_DrawSkippedGpuOnly []

Detailed Description

Definition at line 106 of file highcontrastfilter.cpp.

Member Function Documentation

getISize()

SkISize HighContrastFilterGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 127 of file highcontrastfilter.cpp.

{ return SkISize::Make(800, 420); }

getName()

SkString HighContrastFilterGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 125 of file highcontrastfilter.cpp.

{ return SkString("highcontrastfilter"); }

onDraw()

void HighContrastFilterGM::onDraw ( SkCanvas *  canvas )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 129 of file highcontrastfilter.cpp.

                                           {
        SkHighContrastConfig configs[] = {
            { false, InvertStyle::kNoInvert, 0.0f },
            { false, InvertStyle::kInvertBrightness, 0.0f },
            { false, InvertStyle::kInvertLightness, 0.0f },
            { false, InvertStyle::kInvertLightness, 0.2f },
            { true, InvertStyle::kNoInvert, 0.0f },
            { true, InvertStyle::kInvertBrightness, 0.0f },
            { true, InvertStyle::kInvertLightness, 0.0f },
            { true, InvertStyle::kInvertLightness, 0.2f },
        };
 
        for (size_t i = 0; i < std::size(configs); ++i) {
            SkScalar x = kSize * (i % 4);
            SkScalar y = kSize * (i / 4);
            canvas->save();
            canvas->translate(x, y);
            canvas->scale(kSize, kSize);
            draw_scene(canvas, configs[i]);
            draw_label(canvas, configs[i]);
            canvas->restore();
        }
    }

onOnceBeforeDraw()

void HighContrastFilterGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 108 of file highcontrastfilter.cpp.

                                     {
        SkColor  g1Colors[] = { kColor1, SkColorSetA(kColor1, 0x20) };
        SkColor  g2Colors[] = { kColor2, SkColorSetA(kColor2, 0x20) };
        SkPoint  g1Points[] = { { 0, 0 }, { 0,     100 } };
        SkPoint  g2Points[] = { { 0, 0 }, { kSize, 0   } };
        SkScalar pos[] = { 0.2f, 1.0f };
 
        SkHighContrastConfig fConfig;
        fFilter = SkHighContrastFilter::Make(fConfig);
        fGr1 = SkGradientShader::MakeLinear(
            g1Points, g1Colors, pos, std::size(g1Colors),
            SkTileMode::kClamp);
        fGr2 = SkGradientShader::MakeLinear(
            g2Points, g2Colors, pos, std::size(g2Colors),
            SkTileMode::kClamp);
    }

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

• third_party/skia/gm/highcontrastfilter.cpp