skiagm::ColrV1GM Class Reference

Inheritance diagram for skiagm::ColrV1GM:

Public Member Functions
	ColrV1GM (const char *testName, SkSpan< const uint32_t > codepoints, SkScalar skewX, SkScalar rotateDeg, std::initializer_list< SkFontArguments::VariationPosition::Coordinate > specifiedVariations)
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
void	onOnceBeforeDraw () override
SkString	getName () const override
bool	onGetControls (SkMetaData *controls) override
void	onSetControls (const SkMetaData &controls) override
SkISize	getISize () override
sk_sp< SkTypeface >	makeVariedTypeface ()
DrawResult	onDraw (SkCanvas *canvas, SkString *errorMsg) override
Protected Member Functions inherited from skiagm::GM
virtual DrawResult	onGpuSetup (SkCanvas *, SkString *, GraphiteTestContext *)
virtual void	onGpuTeardown ()
virtual void	onDraw (SkCanvas *)
virtual bool	onAnimate (double)
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 43 of file colrv1.cpp.

Constructor & Destructor Documentation

ColrV1GM()

skiagm::ColrV1GM::ColrV1GM ( const char *  testName, SkSpan< const uint32_t >  codepoints, SkScalar  skewX, SkScalar  rotateDeg, std::initializer_list< SkFontArguments::VariationPosition::Coordinate >  specifiedVariations  )

inline

Definition at line 45 of file colrv1.cpp.

            : fTestName(testName), fCodepoints(codepoints), fSkewX(skewX), fRotateDeg(rotateDeg) {
        fVariationPosition.coordinateCount = specifiedVariations.size();
        fCoordinates = std::make_unique<SkFontArguments::VariationPosition::Coordinate[]>(
                specifiedVariations.size());
        for (size_t i = 0; i < specifiedVariations.size(); ++i) {
            fCoordinates[i] = std::data(specifiedVariations)[i];
        }
 
        fVariationPosition.coordinates = fCoordinates.get();
    }

Member Function Documentation

getISize()

SkISize skiagm::ColrV1GM::getISize ( )

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 102 of file colrv1.cpp.

                                {
        // Sweep tests get a slightly wider canvas so that glyphs from one group fit in one row.
        if (fTestName.equals("sweep_varsweep")) {
            return SkISize::Make(xWidth + 500, xWidth);
        }
        return SkISize::Make(xWidth, xWidth);
    }

getName()

SkString skiagm::ColrV1GM::getName ( ) const

inlineoverrideprotectedvirtual

Implements skiagm::GM.

Definition at line 72 of file colrv1.cpp.

                                      {
        SkASSERT(!fTestName.isEmpty());
        SkString gm_name = SkStringPrintf("colrv1_%s", fTestName.c_str());
 
        if (fSkewX) {
            gm_name.append(SkStringPrintf("_skew_%.2f", fSkewX));
        }
 
        if (fRotateDeg) {
            gm_name.append(SkStringPrintf("_rotate_%.2f", fRotateDeg));
        }
 
        for (int i = 0; i < fVariationPosition.coordinateCount; ++i) {
            SkString tagName = ToolUtils::VariationSliders::tagToString(
                    fVariationPosition.coordinates[i].axis);
            gm_name.append(SkStringPrintf(
                    "_%s_%.2f", tagName.c_str(), fVariationPosition.coordinates[i].value));
        }
 
        return gm_name;
    }

makeVariedTypeface()

sk_sp< SkTypeface > skiagm::ColrV1GM::makeVariedTypeface ( )

inlineprotected

Definition at line 110 of file colrv1.cpp.

                                           {
        if (!fTypeface) {
            return nullptr;
        }
        SkSpan<const SkFontArguments::VariationPosition::Coordinate> coords =
                fVariationSliders.getCoordinates();
        SkFontArguments::VariationPosition varPos = {coords.data(),
                                                     static_cast<int>(coords.size())};
        SkFontArguments args;
        args.setVariationDesignPosition(varPos);
        return fTypeface->makeClone(args);
    }

onDraw()

DrawResult skiagm::ColrV1GM::onDraw ( SkCanvas *  canvas, SkString *  errorMsg  )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 123 of file colrv1.cpp.

                                                                     {
        canvas->drawColor(SK_ColorWHITE);
        SkPaint paint;
 
        canvas->translate(xTranslate, 20);
 
        if (!fTypeface) {
            *errorMsg = "Did not recognize COLR v1 font format.";
            return DrawResult::kSkip;
        }
 
        canvas->rotate(fRotateDeg);
        canvas->skew(fSkewX, 0);
 
        SkFont font(makeVariedTypeface());
 
        SkFontMetrics metrics;
        SkScalar y = 0;
        std::vector<SkColor> paint_colors = {
                SK_ColorBLACK, SK_ColorGREEN, SK_ColorRED, SK_ColorBLUE};
        auto paint_color_iterator = paint_colors.begin();
        for (SkScalar textSize : kTextSizes) {
            font.setSize(textSize);
            font.getMetrics(&metrics);
            SkScalar y_shift = -(metrics.fAscent + metrics.fDescent + metrics.fLeading) * 1.2;
            y += y_shift;
            paint.setColor(*paint_color_iterator);
            int x = 0;
            // Perform simple line breaking to fit more glyphs into the GM canvas.
            for (size_t i = 0; i < fCodepoints.size(); ++i) {
                SkScalar glyphAdvance = font.measureText(
                        &fCodepoints[i], sizeof(uint32_t), SkTextEncoding::kUTF32, nullptr);
                if (0 < x && getISize().width() - xTranslate < x + glyphAdvance) {
                    y += y_shift;
                    x = 0;
                }
                canvas->drawSimpleText(&fCodepoints[i],
                                       sizeof(uint32_t),
                                       SkTextEncoding::kUTF32,
                                       x,
                                       y,
                                       font,
                                       paint);
                x += glyphAdvance + glyphAdvance * 0.05f;
            }
            paint_color_iterator++;
        }
        return DrawResult::kOk;
    }

onGetControls()

bool skiagm::ColrV1GM::onGetControls ( SkMetaData *  controls )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 94 of file colrv1.cpp.

                                                      {
        return fVariationSliders.writeControls(controls);
    }

onOnceBeforeDraw()

void skiagm::ColrV1GM::onOnceBeforeDraw ( )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 63 of file colrv1.cpp.

                                     {
        if (fVariationPosition.coordinateCount) {
            fTypeface = ToolUtils::CreateTypefaceFromResource(kTestFontNameVariable, 0);
        } else {
            fTypeface = ToolUtils::CreateTypefaceFromResource(kTestFontName, 0);
        }
        fVariationSliders = ToolUtils::VariationSliders(fTypeface.get(), fVariationPosition);
    }

onSetControls()

void skiagm::ColrV1GM::onSetControls ( const SkMetaData &  controls )

inlineoverrideprotectedvirtual

Reimplemented from skiagm::GM.

Definition at line 98 of file colrv1.cpp.

                                                            {
        return fVariationSliders.readControls(controls);
    }

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

• third_party/skia/gm/colrv1.cpp