skiagm::ShaderPathGM Class Reference

Inheritance diagram for skiagm::ShaderPathGM:

Public Member Functions
	ShaderPathGM ()
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 63 of file shaderpath.cpp.

Constructor & Destructor Documentation

ShaderPathGM()

skiagm::ShaderPathGM::ShaderPathGM ( )

inline

Definition at line 65 of file shaderpath.cpp.

                   {
        this->setBGColor(0xFFDDDDDD);
    }

Member Function Documentation

getISize()

SkISize skiagm::ShaderPathGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 72 of file shaderpath.cpp.

{ return SkISize::Make(820, 930); }

getName()

SkString skiagm::ShaderPathGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 70 of file shaderpath.cpp.

{ return SkString("shaderpath"); }

onDraw()

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

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 78 of file shaderpath.cpp.

                                           {
 
        SkPaint bmpPaint;
        bmpPaint.setAntiAlias(true);
        bmpPaint.setAlphaf(0.5f);
        SkSamplingOptions sampling(SkFilterMode::kLinear);
 
        canvas->drawImage(fBmp.asImage(), 5.f, 5.f, sampling, &bmpPaint);
 
        SkPaint outlinePaint;
        outlinePaint.setStyle(SkPaint::kStroke_Style);
        outlinePaint.setStrokeWidth(0.f);
 
        canvas->translate(15.f, 15.f);
        canvas->scale(2.f, 2.f);
 
        constexpr SkTileMode kTileModes[] = {
            SkTileMode::kRepeat,
            SkTileMode::kMirror,
        };
 
        // position the baseline of the first path
        canvas->translate(0.f, 2.25);
 
        SkPath path;
        path.moveTo(0, 40).cubicTo(10, 70, 20, 10, 30, 40);
 
        canvas->save();
        int i = 0;
        for (size_t tm0 = 0; tm0 < std::size(kTileModes); ++tm0) {
            for (size_t tm1 = 0; tm1 < std::size(kTileModes); ++tm1) {
                SkMatrix localM;
                localM.setTranslate(5.f, 5.f);
                localM.postRotate(20);
                localM.postScale(1.15f, .85f);
 
                SkPaint fillPaint;
                fillPaint.setAntiAlias(true);
                fillPaint.setShader(fBmp.makeShader(kTileModes[tm0], kTileModes[tm1],
                                                    sampling, localM));
 
                canvas->drawPath(path, fillPaint);
                canvas->drawPath(path, outlinePaint);
                canvas->translate(50.f, 0.f);
                ++i;
                if (!(i % 2)) {
                    canvas->restore();
                    canvas->translate(0, 22.5f);
                    canvas->save();
                }
            }
        }
        canvas->restore();
    }

onOnceBeforeDraw()

void skiagm::ShaderPathGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 74 of file shaderpath.cpp.

                                     {
        makebm(&fBmp, kPointSize / 4, kPointSize / 4);
    }

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

• third_party/skia/gm/shaderpath.cpp