skiagm::BlurRectCompareGM Class Reference

Inheritance diagram for skiagm::BlurRectCompareGM:

Protected Member Functions
SkString	getName () const override
SkISize	getISize () override
void	onOnceBeforeDraw () override
DrawResult	onDraw (SkCanvas *canvas, SkString *errorMsg) override
bool	onAnimate (double nanos) 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 249 of file blurrect.cpp.

Member Function Documentation

getISize()

SkISize skiagm::BlurRectCompareGM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 253 of file blurrect.cpp.

{ return {900, 1220}; }

getName()

SkString skiagm::BlurRectCompareGM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 251 of file blurrect.cpp.

{ return SkString("blurrect_compare"); }

onAnimate()

bool skiagm::BlurRectCompareGM::onAnimate ( double  nanos )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 330 of file blurrect.cpp.

                                          {
        fSigmaAnimationBoost = TimeUtils::SineWave(nanos, 5, 2.5f, 0.f, 2.f);
        fRecalcMasksForAnimation = true;
        return true;
    }

onDraw()

DrawResult skiagm::BlurRectCompareGM::onDraw ( SkCanvas *  canvas, SkString *  errorMsg  )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 257 of file blurrect.cpp.

                                                                     {
        if (canvas->imageInfo().colorType() == kUnknown_SkColorType ||
            (canvas->recordingContext() && !canvas->recordingContext()->asDirectContext())) {
            *errorMsg = "Not supported when recording, relies on canvas->makeSurface()";
            return DrawResult::kSkip;
        }
        int32_t ctxID = canvas->recordingContext() ? canvas->recordingContext()->priv().contextID()
                                                   : 0;
        if (fRecalcMasksForAnimation || !fActualMasks[0][0][0] || ctxID != fLastContextUniqueID) {
            if (fRecalcMasksForAnimation) {
                // Sigma is changing so references must also be recalculated.
                this->prepareReferenceMasks();
            }
            this->prepareActualMasks(canvas);
            this->prepareMaskDifferences(canvas);
            fLastContextUniqueID = ctxID;
            fRecalcMasksForAnimation = false;
        }
        canvas->clear(SK_ColorBLACK);
        static constexpr float kMargin = 30;
        float totalW = 0;
        for (auto w : kSizes) {
            totalW += w + kMargin;
        }
        canvas->translate(kMargin, kMargin);
        for (int mode = 0; mode < 3; ++mode) {
            canvas->save();
            for (size_t sigmaIdx = 0; sigmaIdx < kNumSigmas; ++sigmaIdx) {
                auto sigma = kSigmas[sigmaIdx] + fSigmaAnimationBoost;
                for (size_t heightIdx = 0; heightIdx < kNumSizes; ++heightIdx) {
                    auto h = kSizes[heightIdx];
                    canvas->save();
                    for (size_t widthIdx = 0; widthIdx < kNumSizes; ++widthIdx) {
                        auto w = kSizes[widthIdx];
                        SkPaint paint;
                        paint.setColor(SK_ColorWHITE);
                        SkImage* img;
                        switch (mode) {
                            case 0:
                                img = fReferenceMasks[sigmaIdx][heightIdx][widthIdx].get();
                                break;
                            case 1:
                                img = fActualMasks[sigmaIdx][heightIdx][widthIdx].get();
                                break;
                            case 2:
                                img = fMaskDifferences[sigmaIdx][heightIdx][widthIdx].get();
                                // The error images are opaque, use kPlus so they are additive if
                                // the overlap between test cases.
                                paint.setBlendMode(SkBlendMode::kPlus);
                                break;
                        }
                        auto pad = PadForSigma(sigma);
                        canvas->drawImage(img, -pad, -pad, SkSamplingOptions(), &paint);
#if 0  // Uncomment to hairline stroke around blurred rect in red on top of the blur result.
       // The rect is defined at integer coords. We inset by 1/2 pixel so our stroke lies on top
       // of the edge pixels.
                        SkPaint stroke;
                        stroke.setColor(SK_ColorRED);
                        stroke.setStrokeWidth(0.f);
                        stroke.setStyle(SkPaint::kStroke_Style);
                        canvas->drawRect(SkRect::MakeWH(w, h).makeInset(0.5, 0.5), stroke);
#endif
                        canvas->translate(w + kMargin, 0.f);
                    }
                    canvas->restore();
                    canvas->translate(0, h + kMargin);
                }
            }
            canvas->restore();
            canvas->translate(totalW + 2 * kMargin, 0);
        }
        return DrawResult::kOk;
    }

onOnceBeforeDraw()

void skiagm::BlurRectCompareGM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 255 of file blurrect.cpp.

{ this->prepareReferenceMasks(); }

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

• third_party/skia/gm/blurrect.cpp